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ruby--ruby/test/ruby/test_array.rb
Hiroshi SHIBATA 3ea2a40713
Suppress warnings for unsued variable
2021-04-23 10:35:29 +09:00

3382 lines
97 KiB
Ruby
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# coding: US-ASCII
# frozen_string_literal: false
require 'test/unit'
require "delegate"
require "rbconfig/sizeof"
class TestArray < Test::Unit::TestCase
def setup
@verbose = $VERBOSE
@cls = Array
end
def teardown
$VERBOSE = @verbose
end
def assert_equal_instance(x, y, *msg)
assert_equal(x, y, *msg)
assert_instance_of(x.class, y)
end
def test_percent_i
assert_equal([:foo, :bar], %i[foo bar])
assert_equal([:"\"foo"], %i["foo])
end
def test_percent_I
x = 10
assert_equal([:foo, :b10], %I[foo b#{x}])
assert_equal([:"\"foo10"], %I["foo#{x}])
end
def test_0_literal
assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
assert_equal([1, 2, 1, 2], [1, 2] * 2)
assert_equal("1:2", [1, 2] * ":")
assert_equal([1, 2].hash, [1, 2].hash)
assert_equal([2,3], [1,2,3] & [2,3,4])
assert_equal([1,2,3,4], [1,2,3] | [2,3,4])
assert_equal([1,2,3] - [2,3], [1])
x = [0, 1, 2, 3, 4, 5]
assert_equal(2, x[2])
assert_equal([1, 2, 3], x[1..3])
assert_equal([1, 2, 3], x[1,3])
assert_equal([3, 4, 5], x[3..])
assert_equal([0, 1, 2], x[..2])
assert_equal([0, 1], x[...2])
x[0, 2] = 10
assert_equal([10, 2, 3, 4, 5], x)
x[0, 0] = -1
assert_equal([-1, 10, 2, 3, 4, 5], x)
x[-1, 1] = 20
assert_equal(20, x[-1])
assert_equal(20, x.pop)
end
def test_array_andor_0
assert_equal([2], ([1,2,3]&[2,4,6]))
assert_equal([1,2,3,4,6], ([1,2,3]|[2,4,6]))
end
def test_compact_0
a = [nil, 1, nil, nil, 5, nil, nil]
assert_equal [1, 5], a.compact
assert_equal [nil, 1, nil, nil, 5, nil, nil], a
a.compact!
assert_equal [1, 5], a
end
def test_uniq_0
x = [1, 1, 4, 2, 5, 4, 5, 1, 2]
x.uniq!
assert_equal([1, 4, 2, 5], x)
end
def test_empty_0
assert_equal true, [].empty?
assert_equal false, [1].empty?
assert_equal false, [1, 1, 4, 2, 5, 4, 5, 1, 2].empty?
end
def test_sort_0
x = ["it", "came", "to", "pass", "that", "..."]
x = x.sort.join(" ")
assert_equal("... came it pass that to", x)
x = [2,5,3,1,7]
x.sort!{|a,b| a<=>b} # sort with condition
assert_equal([1,2,3,5,7], x)
x.sort!{|a,b| b-a} # reverse sort
assert_equal([7,5,3,2,1], x)
end
def test_split_0
x = "The Book of Mormon"
assert_equal(x.reverse, x.split(//).reverse!.join)
assert_equal(x.reverse, x.reverse!)
assert_equal("g:n:i:r:t:s: :e:t:y:b: :1", "1 byte string".split(//).reverse.join(":"))
x = "a b c d"
assert_equal(['a', 'b', 'c', 'd'], x.split)
assert_equal(['a', 'b', 'c', 'd'], x.split(' '))
end
def test_misc_0
assert(defined? "a".chomp, '"a".chomp is not defined')
assert_equal(["a", "b", "c"], "abc".scan(/./))
assert_equal([["1a"], ["2b"], ["3c"]], "1a2b3c".scan(/(\d.)/))
# non-greedy match
assert_equal([["a", "12"], ["b", "22"]], "a=12;b=22".scan(/(.*?)=(\d*);?/))
x = [1]
assert_equal('1:1:1:1:1', (x * 5).join(":"))
assert_equal('1', (x * 1).join(":"))
assert_equal('', (x * 0).join(":"))
assert_instance_of(Array, (@cls[] * 5))
assert_instance_of(Array, (@cls[1] * 5))
*x = *(1..7).to_a
assert_equal(7, x.size)
assert_equal([1, 2, 3, 4, 5, 6, 7], x)
x = [1,2,3]
x[1,0] = x
assert_equal([1,1,2,3,2,3], x)
x = [1,2,3]
x[-1,0] = x
assert_equal([1,2,1,2,3,3], x)
x = [1,2,3]
x.concat(x)
assert_equal([1,2,3,1,2,3], x)
x = [1,2,3]
x.clear
assert_equal([], x)
x = [1,2,3]
y = x.dup
x << 4
y << 5
assert_equal([1,2,3,4], x)
assert_equal([1,2,3,5], y)
end
def test_beg_end_0
x = [1, 2, 3, 4, 5]
assert_equal(1, x.first)
assert_equal([1], x.first(1))
assert_equal([1, 2, 3], x.first(3))
assert_raise_with_message(ArgumentError, /0\.\.1/) {x.first(1, 2)}
assert_equal(5, x.last)
assert_equal([5], x.last(1))
assert_equal([3, 4, 5], x.last(3))
assert_raise_with_message(ArgumentError, /0\.\.1/) {x.last(1, 2)}
assert_equal(1, x.shift)
assert_equal([2, 3, 4], x.shift(3))
assert_equal([5], x)
assert_raise_with_message(ArgumentError, /0\.\.1/) {x.first(1, 2)}
assert_equal([2, 3, 4, 5], x.unshift(2, 3, 4))
assert_equal([1, 2, 3, 4, 5], x.unshift(1))
assert_equal([1, 2, 3, 4, 5], x)
assert_equal(5, x.pop)
assert_equal([3, 4], x.pop(2))
assert_equal([1, 2], x)
assert_raise_with_message(ArgumentError, /0\.\.1/) {x.pop(1, 2)}
assert_equal([1, 2, 3, 4], x.push(3, 4))
assert_equal([1, 2, 3, 4, 5], x.push(5))
assert_equal([1, 2, 3, 4, 5], x)
end
def test_find_all_0
assert_respond_to([], :find_all)
assert_respond_to([], :select) # Alias
assert_respond_to([], :filter) # Alias
assert_equal([], [].find_all{ |obj| obj == "foo"})
x = ["foo", "bar", "baz", "baz", 1, 2, 3, 3, 4]
assert_equal(["baz","baz"], x.find_all{ |obj| obj == "baz" })
assert_equal([3,3], x.find_all{ |obj| obj == 3 })
end
def test_fill_0
assert_equal([-1, -1, -1, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1))
assert_equal([0, 1, 2, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, 3))
assert_equal([0, 1, 2, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3, 2))
assert_equal([0, 1, 2, -1, -1, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, 3, 5))
assert_equal([0, 1, -1, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2, 2))
assert_equal([0, 1, -1, -1, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, 2, 5))
assert_equal([0, 1, 2, 3, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, -2, 1))
assert_equal([0, 1, 2, 3, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, -2, 3))
assert_equal([0, 1, 2, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3..4))
assert_equal([0, 1, 2, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3...4))
assert_equal([0, 1, -1, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2..-2))
assert_equal([0, 1, -1, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2...-2))
assert_equal([10, 11, 12, 13, 14, 15], [0, 1, 2, 3, 4, 5].fill{|i| i+10})
assert_equal([0, 1, 2, 13, 14, 15], [0, 1, 2, 3, 4, 5].fill(3){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(3, 2){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 15, 16, 17], [0, 1, 2, 3, 4, 5].fill(3, 5){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(3..4){|i| i+10})
assert_equal([0, 1, 2, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(3...4){|i| i+10})
assert_equal([0, 1, 12, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(2..-2){|i| i+10})
assert_equal([0, 1, 12, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(2...-2){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 15], [0, 1, 2, 3, 4, 5].fill(3..){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 15], [0, 1, 2, 3, 4, 5].fill(3...){|i| i+10})
end
# From rubicon
def test_00_new
a = @cls.new()
assert_instance_of(@cls, a)
assert_equal(0, a.length)
assert_nil(a[0])
end
def test_01_square_brackets
a = @cls[ 5, 4, 3, 2, 1 ]
assert_instance_of(@cls, a)
assert_equal(5, a.length)
5.times { |i| assert_equal(5-i, a[i]) }
assert_nil(a[6])
end
def test_AND # '&'
assert_equal(@cls[1, 3], @cls[ 1, 1, 3, 5 ] & @cls[ 1, 2, 3 ])
assert_equal(@cls[], @cls[ 1, 1, 3, 5 ] & @cls[ ])
assert_equal(@cls[], @cls[ ] & @cls[ 1, 2, 3 ])
assert_equal(@cls[], @cls[ 1, 2, 3 ] & @cls[ 4, 5, 6 ])
end
def test_AND_big_array # '&'
assert_equal(@cls[1, 3], @cls[ 1, 1, 3, 5 ]*64 & @cls[ 1, 2, 3 ]*64)
assert_equal(@cls[], @cls[ 1, 1, 3, 5 ]*64 & @cls[ ])
assert_equal(@cls[], @cls[ ] & @cls[ 1, 2, 3 ]*64)
assert_equal(@cls[], @cls[ 1, 2, 3 ]*64 & @cls[ 4, 5, 6 ]*64)
end
def test_intersection
assert_equal(@cls[1, 2], @cls[1, 2, 3].intersection(@cls[1, 2]))
assert_equal(@cls[ ], @cls[1].intersection(@cls[ ]))
assert_equal(@cls[ ], @cls[ ].intersection(@cls[1]))
assert_equal(@cls[1], @cls[1, 2, 3].intersection(@cls[1, 2], @cls[1]))
assert_equal(@cls[ ], @cls[1, 2, 3].intersection(@cls[1, 2], @cls[3]))
assert_equal(@cls[ ], @cls[1, 2, 3].intersection(@cls[4, 5, 6]))
end
def test_intersection_big_array
assert_equal(@cls[1, 2], (@cls[1, 2, 3] * 64).intersection(@cls[1, 2] * 64))
assert_equal(@cls[ ], (@cls[1] * 64).intersection(@cls[ ]))
assert_equal(@cls[ ], @cls[ ].intersection(@cls[1] * 64))
assert_equal(@cls[1], (@cls[1, 2, 3] * 64).intersection((@cls[1, 2] * 64), (@cls[1] * 64)))
assert_equal(@cls[ ], (@cls[1, 2, 3] * 64).intersection(@cls[4, 5, 6] * 64))
end
def test_MUL # '*'
assert_equal(@cls[], @cls[]*3)
assert_equal(@cls[1, 1, 1], @cls[1]*3)
assert_equal(@cls[1, 2, 1, 2, 1, 2], @cls[1, 2]*3)
assert_equal(@cls[], @cls[1, 2, 3] * 0)
assert_raise(ArgumentError) { @cls[1, 2]*(-3) }
assert_equal('1-2-3-4-5', @cls[1, 2, 3, 4, 5] * '-')
assert_equal('12345', @cls[1, 2, 3, 4, 5] * '')
end
def test_PLUS # '+'
assert_equal(@cls[], @cls[] + @cls[])
assert_equal(@cls[1], @cls[1] + @cls[])
assert_equal(@cls[1], @cls[] + @cls[1])
assert_equal(@cls[1, 1], @cls[1] + @cls[1])
assert_equal(@cls['cat', 'dog', 1, 2, 3], %w(cat dog) + (1..3).to_a)
end
def test_MINUS # '-'
assert_equal(@cls[], @cls[1] - @cls[1])
assert_equal(@cls[1], @cls[1, 2, 3, 4, 5] - @cls[2, 3, 4, 5])
assert_equal(@cls[1, 1, 1, 1], @cls[1, 2, 1, 3, 1, 4, 1, 5] - @cls[2, 3, 4, 5])
assert_equal(@cls[1, 1], @cls[1, 2, 1] - @cls[2])
assert_equal(@cls[1, 2, 3], @cls[1, 2, 3] - @cls[4, 5, 6])
end
def test_MINUS_big_array # '-'
assert_equal(@cls[1]*64, @cls[1, 2, 3, 4, 5]*64 - @cls[2, 3, 4, 5]*64)
assert_equal(@cls[1, 1, 1, 1]*64, @cls[1, 2, 1, 3, 1, 4, 1, 5]*64 - @cls[2, 3, 4, 5]*64)
a = @cls[]
1000.times { a << 1 }
assert_equal(1000, a.length)
assert_equal(@cls[1] * 1000, a - @cls[2])
end
def test_difference
assert_equal(@cls[], @cls[1].difference(@cls[1]))
assert_equal(@cls[1], @cls[1, 2, 3, 4, 5].difference(@cls[2, 3, 4, 5]))
assert_equal(@cls[1, 1], @cls[1, 2, 1].difference(@cls[2]))
assert_equal(@cls[1, 1, 1, 1], @cls[1, 2, 1, 3, 1, 4, 1, 5].difference(@cls[2, 3, 4, 5]))
assert_equal(@cls[], @cls[1, 2, 3, 4].difference(@cls[1], @cls[2], @cls[3], @cls[4]))
a = [1]
assert_equal(@cls[1], a.difference(@cls[2], @cls[2]))
assert_equal(@cls[], a.difference(@cls[1]))
assert_equal(@cls[1], a)
end
def test_difference_big_array
assert_equal(@cls[1]*64, (@cls[1, 2, 3, 4, 5] * 64).difference(@cls[2, 3, 4] * 64, @cls[3, 5] * 64))
assert_equal(@cls[1, 1, 1, 1]*64, (@cls[1, 2, 1, 3, 1, 4, 1, 5] * 64).difference(@cls[2, 3, 4, 5] * 64))
a = @cls[1] * 1000
assert_equal(@cls[1] * 1000, a.difference(@cls[2], @cls[2]))
assert_equal(@cls[], a.difference(@cls[1]))
assert_equal(@cls[1] * 1000, a)
end
def test_LSHIFT # '<<'
a = @cls[]
a << 1
assert_equal(@cls[1], a)
a << 2 << 3
assert_equal(@cls[1, 2, 3], a)
a << nil << 'cat'
assert_equal(@cls[1, 2, 3, nil, 'cat'], a)
a << a
assert_equal(@cls[1, 2, 3, nil, 'cat', a], a)
end
def test_CMP # '<=>'
assert_equal(0, @cls[] <=> @cls[])
assert_equal(0, @cls[1] <=> @cls[1])
assert_equal(0, @cls[1, 2, 3, 'cat'] <=> @cls[1, 2, 3, 'cat'])
assert_equal(-1, @cls[] <=> @cls[1])
assert_equal(1, @cls[1] <=> @cls[])
assert_equal(-1, @cls[1, 2, 3] <=> @cls[1, 2, 3, 'cat'])
assert_equal(1, @cls[1, 2, 3, 'cat'] <=> @cls[1, 2, 3])
assert_equal(-1, @cls[1, 2, 3, 'cat'] <=> @cls[1, 2, 3, 'dog'])
assert_equal(1, @cls[1, 2, 3, 'dog'] <=> @cls[1, 2, 3, 'cat'])
end
def test_EQUAL # '=='
assert_operator(@cls[], :==, @cls[])
assert_operator(@cls[1], :==, @cls[1])
assert_operator(@cls[1, 1, 2, 2], :==, @cls[1, 1, 2, 2])
assert_operator(@cls[1.0, 1.0, 2.0, 2.0], :==, @cls[1, 1, 2, 2])
end
def test_VERY_EQUAL # '==='
assert_operator(@cls[], :===, @cls[])
assert_operator(@cls[1], :===, @cls[1])
assert_operator(@cls[1, 1, 2, 2], :===, @cls[1, 1, 2, 2])
assert_operator(@cls[1.0, 1.0, 2.0, 2.0], :===, @cls[1, 1, 2, 2])
end
def test_AREF # '[]'
a = @cls[*(1..100).to_a]
assert_equal(1, a[0])
assert_equal(100, a[99])
assert_nil(a[100])
assert_equal(100, a[-1])
assert_equal(99, a[-2])
assert_equal(1, a[-100])
assert_nil(a[-101])
assert_nil(a[-101,0])
assert_nil(a[-101,1])
assert_nil(a[-101,-1])
assert_nil(a[10,-1])
assert_equal(@cls[1], a[0,1])
assert_equal(@cls[100], a[99,1])
assert_equal(@cls[], a[100,1])
assert_equal(@cls[100], a[99,100])
assert_equal(@cls[100], a[-1,1])
assert_equal(@cls[99], a[-2,1])
assert_equal(@cls[], a[-100,0])
assert_equal(@cls[1], a[-100,1])
assert_equal(@cls[10, 11, 12], a[9, 3])
assert_equal(@cls[10, 11, 12], a[-91, 3])
assert_equal(@cls[1], a[0..0])
assert_equal(@cls[100], a[99..99])
assert_equal(@cls[], a[100..100])
assert_equal(@cls[100], a[99..200])
assert_equal(@cls[100], a[-1..-1])
assert_equal(@cls[99], a[-2..-2])
assert_equal(@cls[10, 11, 12], a[9..11])
assert_equal(@cls[98, 99, 100], a[97..])
assert_equal(@cls[1, 2, 3], a[..2])
assert_equal(@cls[1, 2], a[...2])
assert_equal(@cls[10, 11, 12], a[-91..-89])
assert_equal(@cls[98, 99, 100], a[-3..])
assert_equal(@cls[1, 2, 3], a[..-98])
assert_equal(@cls[1, 2], a[...-98])
assert_nil(a[10, -3])
assert_equal [], a[10..7]
assert_raise(TypeError) {a['cat']}
end
def test_ASET # '[]='
a = @cls[*(0..99).to_a]
assert_equal(0, a[0] = 0)
assert_equal(@cls[0] + @cls[*(1..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(0, a[10,10] = 0)
assert_equal(@cls[*(0..9).to_a] + @cls[0] + @cls[*(20..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(0, a[-1] = 0)
assert_equal(@cls[*(0..98).to_a] + @cls[0], a)
a = @cls[*(0..99).to_a]
assert_equal(0, a[-10, 10] = 0)
assert_equal(@cls[*(0..89).to_a] + @cls[0], a)
a = @cls[*(0..99).to_a]
assert_equal(0, a[0,1000] = 0)
assert_equal(@cls[0] , a)
a = @cls[*(0..99).to_a]
assert_equal(0, a[10..19] = 0)
assert_equal(@cls[*(0..9).to_a] + @cls[0] + @cls[*(20..99).to_a], a)
b = @cls[*%w( a b c )]
a = @cls[*(0..99).to_a]
assert_equal(b, a[0,1] = b)
assert_equal(b + @cls[*(1..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(b, a[10,10] = b)
assert_equal(@cls[*(0..9).to_a] + b + @cls[*(20..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(b, a[-1, 1] = b)
assert_equal(@cls[*(0..98).to_a] + b, a)
a = @cls[*(0..99).to_a]
assert_equal(b, a[-10, 10] = b)
assert_equal(@cls[*(0..89).to_a] + b, a)
a = @cls[*(0..99).to_a]
assert_equal(b, a[0,1000] = b)
assert_equal(b , a)
a = @cls[*(0..99).to_a]
assert_equal(b, a[10..19] = b)
assert_equal(@cls[*(0..9).to_a] + b + @cls[*(20..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[0,1] = nil)
assert_equal(@cls[nil] + @cls[*(1..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[10,10] = nil)
assert_equal(@cls[*(0..9).to_a] + @cls[nil] + @cls[*(20..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[-1, 1] = nil)
assert_equal(@cls[*(0..98).to_a] + @cls[nil], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[-10, 10] = nil)
assert_equal(@cls[*(0..89).to_a] + @cls[nil], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[0,1000] = nil)
assert_equal(@cls[nil] , a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[10..19] = nil)
assert_equal(@cls[*(0..9).to_a] + @cls[nil] + @cls[*(20..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[10..] = nil)
assert_equal(@cls[*(0..9).to_a] + @cls[nil], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[..10] = nil)
assert_equal(@cls[nil] + @cls[*(11..99).to_a], a)
a = @cls[*(0..99).to_a]
assert_equal(nil, a[...10] = nil)
assert_equal(@cls[nil] + @cls[*(10..99).to_a], a)
a = @cls[1, 2, 3]
a[1, 0] = a
assert_equal([1, 1, 2, 3, 2, 3], a)
a = @cls[1, 2, 3]
a[-1, 0] = a
assert_equal([1, 2, 1, 2, 3, 3], a)
a = @cls[]
a[5,0] = [5]
assert_equal([nil, nil, nil, nil, nil, 5], a)
a = @cls[1]
a[1,0] = [2]
assert_equal([1, 2], a)
a = @cls[1]
a[1,1] = [2]
assert_equal([1, 2], a)
end
def test_append
a = @cls[1, 2, 3]
assert_equal(@cls[1, 2, 3, 4, 5], a.append(4, 5))
assert_equal(@cls[1, 2, 3, 4, 5, nil], a.append(nil))
a.append
assert_equal @cls[1, 2, 3, 4, 5, nil], a
a.append 6, 7
assert_equal @cls[1, 2, 3, 4, 5, nil, 6, 7], a
end
def test_assoc
a1 = @cls[*%w( cat feline )]
a2 = @cls[*%w( dog canine )]
a3 = @cls[*%w( mule asinine )]
a = @cls[ a1, a2, a3 ]
assert_equal(a1, a.assoc('cat'))
assert_equal(a3, a.assoc('mule'))
assert_equal(nil, a.assoc('asinine'))
assert_equal(nil, a.assoc('wombat'))
assert_equal(nil, a.assoc(1..2))
end
def test_at
a = @cls[*(0..99).to_a]
assert_equal(0, a.at(0))
assert_equal(10, a.at(10))
assert_equal(99, a.at(99))
assert_equal(nil, a.at(100))
assert_equal(99, a.at(-1))
assert_equal(0, a.at(-100))
assert_equal(nil, a.at(-101))
assert_raise(TypeError) { a.at('cat') }
end
def test_clear
a = @cls[1, 2, 3]
b = a.clear
assert_equal(@cls[], a)
assert_equal(@cls[], b)
assert_equal(a.__id__, b.__id__)
end
def test_clone
for frozen in [ false, true ]
a = @cls[*(0..99).to_a]
a.freeze if frozen
b = a.clone
assert_equal(a, b)
assert_not_equal(a.__id__, b.__id__)
assert_equal(a.frozen?, b.frozen?)
end
end
def test_collect
a = @cls[ 1, 'cat', 1..1 ]
assert_equal([ Integer, String, Range], a.collect {|e| e.class} )
assert_equal([ 99, 99, 99], a.collect { 99 } )
assert_equal([], @cls[].collect { 99 })
assert_kind_of Enumerator, @cls[1, 2, 3].collect
assert_raise(ArgumentError) {
assert_equal([[1, 2, 3]], [[1, 2, 3]].collect(&->(a, b, c) {[a, b, c]}))
}
end
# also update map!
def test_collect!
a = @cls[ 1, 'cat', 1..1 ]
assert_equal([ Integer, String, Range], a.collect! {|e| e.class} )
assert_equal([ Integer, String, Range], a)
a = @cls[ 1, 'cat', 1..1 ]
assert_equal([ 99, 99, 99], a.collect! { 99 } )
assert_equal([ 99, 99, 99], a)
a = @cls[ ]
assert_equal([], a.collect! { 99 })
assert_equal([], a)
end
def test_compact
a = @cls[ 1, nil, nil, 2, 3, nil, 4 ]
assert_equal(@cls[1, 2, 3, 4], a.compact)
a = @cls[ nil, 1, nil, 2, 3, nil, 4 ]
assert_equal(@cls[1, 2, 3, 4], a.compact)
a = @cls[ 1, nil, nil, 2, 3, nil, 4, nil ]
assert_equal(@cls[1, 2, 3, 4], a.compact)
a = @cls[ 1, 2, 3, 4 ]
assert_equal(@cls[1, 2, 3, 4], a.compact)
end
def test_compact!
a = @cls[ 1, nil, nil, 2, 3, nil, 4 ]
assert_equal(@cls[1, 2, 3, 4], a.compact!)
assert_equal(@cls[1, 2, 3, 4], a)
a = @cls[ nil, 1, nil, 2, 3, nil, 4 ]
assert_equal(@cls[1, 2, 3, 4], a.compact!)
assert_equal(@cls[1, 2, 3, 4], a)
a = @cls[ 1, nil, nil, 2, 3, nil, 4, nil ]
assert_equal(@cls[1, 2, 3, 4], a.compact!)
assert_equal(@cls[1, 2, 3, 4], a)
a = @cls[ 1, 2, 3, 4 ]
assert_equal(nil, a.compact!)
assert_equal(@cls[1, 2, 3, 4], a)
end
def test_concat
assert_equal(@cls[1, 2, 3, 4], @cls[1, 2].concat(@cls[3, 4]))
assert_equal(@cls[1, 2, 3, 4], @cls[].concat(@cls[1, 2, 3, 4]))
assert_equal(@cls[1, 2, 3, 4], @cls[1].concat(@cls[2, 3], [4]))
assert_equal(@cls[1, 2, 3, 4], @cls[1, 2, 3, 4].concat(@cls[]))
assert_equal(@cls[1, 2, 3, 4], @cls[1, 2, 3, 4].concat())
assert_equal(@cls[], @cls[].concat(@cls[]))
assert_equal(@cls[@cls[1, 2], @cls[3, 4]], @cls[@cls[1, 2]].concat(@cls[@cls[3, 4]]))
a = @cls[1, 2, 3]
a.concat(a)
assert_equal([1, 2, 3, 1, 2, 3], a)
b = @cls[4, 5]
b.concat(b, b)
assert_equal([4, 5, 4, 5, 4, 5], b)
assert_raise(TypeError) { [0].concat(:foo) }
assert_raise(FrozenError) { [0].freeze.concat(:foo) }
end
def test_count
a = @cls[1, 2, 3, 1, 2]
assert_equal(5, a.count)
assert_equal(2, a.count(1))
assert_equal(3, a.count {|x| x % 2 == 1 })
assert_equal(2, assert_warning(/given block not used/) {a.count(1) {|x| x % 2 == 1 }})
assert_raise(ArgumentError) { a.count(0, 1) }
bug8654 = '[ruby-core:56072]'
assert_in_out_err [], <<-EOS, ["0"], [], bug8654
a1 = []
a2 = Array.new(100) { |i| i }
a2.count do |i|
p i
a2.replace(a1) if i == 0
end
EOS
assert_in_out_err [], <<-EOS, ["[]", "0"], [], bug8654
ARY = Array.new(100) { |i| i }
class Integer
alias old_equal ==
def == other
ARY.replace([]) if self.equal?(0)
p ARY
self.equal?(other)
end
end
p ARY.count(42)
EOS
end
def test_delete
a = @cls[*('cab'..'cat').to_a]
assert_equal('cap', a.delete('cap'))
assert_equal(@cls[*('cab'..'cao').to_a] + @cls[*('caq'..'cat').to_a], a)
a = @cls[*('cab'..'cat').to_a]
assert_equal('cab', a.delete('cab'))
assert_equal(@cls[*('cac'..'cat').to_a], a)
a = @cls[*('cab'..'cat').to_a]
assert_equal('cat', a.delete('cat'))
assert_equal(@cls[*('cab'..'cas').to_a], a)
a = @cls[*('cab'..'cat').to_a]
assert_equal(nil, a.delete('cup'))
assert_equal(@cls[*('cab'..'cat').to_a], a)
a = @cls[*('cab'..'cat').to_a]
assert_equal(99, a.delete('cup') { 99 } )
assert_equal(@cls[*('cab'..'cat').to_a], a)
o = Object.new
def o.==(other); true; end
o2 = Object.new
def o2.==(other); true; end
a = @cls[1, o, o2, 2]
assert_equal(o2, a.delete(42))
assert_equal([1, 2], a)
end
def test_delete_at
a = @cls[*(1..5).to_a]
assert_equal(3, a.delete_at(2))
assert_equal(@cls[1, 2, 4, 5], a)
a = @cls[*(1..5).to_a]
assert_equal(4, a.delete_at(-2))
assert_equal(@cls[1, 2, 3, 5], a)
a = @cls[*(1..5).to_a]
assert_equal(nil, a.delete_at(5))
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[*(1..5).to_a]
assert_equal(nil, a.delete_at(-6))
assert_equal(@cls[1, 2, 3, 4, 5], a)
end
# also reject!
def test_delete_if
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.delete_if { false })
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.delete_if { true })
assert_equal(@cls[], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.delete_if { |i| i > 3 })
assert_equal(@cls[1, 2, 3], a)
bug2545 = '[ruby-core:27366]'
a = @cls[ 5, 6, 7, 8, 9, 10 ]
assert_equal(9, a.delete_if {|i| break i if i > 8; i < 7})
assert_equal(@cls[7, 8, 9, 10], a, bug2545)
assert_raise(FrozenError) do
a = @cls[1, 2, 3, 42]
a.delete_if do
a.freeze
true
end
end
assert_equal(@cls[1, 2, 3, 42], a)
end
def test_dup
for frozen in [ false, true ]
a = @cls[*(0..99).to_a]
a.freeze if frozen
b = a.dup
assert_equal(a, b)
assert_not_equal(a.__id__, b.__id__)
assert_equal(false, b.frozen?)
end
end
def test_each
a = @cls[*%w( ant bat cat dog )]
i = 0
a.each { |e|
assert_equal(a[i], e)
i += 1
}
assert_equal(4, i)
a = @cls[]
i = 0
a.each { |e|
assert(false, "Never get here")
i += 1
}
assert_equal(0, i)
assert_equal(a, a.each {})
end
def test_each_index
a = @cls[*%w( ant bat cat dog )]
i = 0
a.each_index { |ind|
assert_equal(i, ind)
i += 1
}
assert_equal(4, i)
a = @cls[]
i = 0
a.each_index { |ind|
assert(false, "Never get here")
i += 1
}
assert_equal(0, i)
assert_equal(a, a.each_index {})
end
def test_empty?
assert_empty(@cls[])
assert_not_empty(@cls[1])
end
def test_eql?
assert_send([@cls[], :eql?, @cls[]])
assert_send([@cls[1], :eql?, @cls[1]])
assert_send([@cls[1, 1, 2, 2], :eql?, @cls[1, 1, 2, 2]])
assert_not_send([@cls[1.0, 1.0, 2.0, 2.0], :eql?, @cls[1, 1, 2, 2]])
end
def test_fill
assert_equal(@cls[], @cls[].fill(99))
assert_equal(@cls[], @cls[].fill(99, 0))
assert_equal(@cls[99], @cls[].fill(99, 0, 1))
assert_equal(@cls[99], @cls[].fill(99, 0..0))
assert_equal(@cls[99], @cls[1].fill(99))
assert_equal(@cls[99], @cls[1].fill(99, 0))
assert_equal(@cls[99], @cls[1].fill(99, 0, 1))
assert_equal(@cls[99], @cls[1].fill(99, 0..0))
assert_equal(@cls[99, 99], @cls[1, 2].fill(99))
assert_equal(@cls[99, 99], @cls[1, 2].fill(99, 0))
assert_equal(@cls[99, 99], @cls[1, 2].fill(99, nil))
assert_equal(@cls[1, 99], @cls[1, 2].fill(99, 1, nil))
assert_equal(@cls[99, 2], @cls[1, 2].fill(99, 0, 1))
assert_equal(@cls[99, 2], @cls[1, 2].fill(99, 0..0))
end
def test_first
assert_equal(3, @cls[3, 4, 5].first)
assert_equal(nil, @cls[].first)
end
def test_flatten
a1 = @cls[ 1, 2, 3]
a2 = @cls[ 5, 6 ]
a3 = @cls[ 4, a2 ]
a4 = @cls[ a1, a3 ]
assert_equal_instance([1, 2, 3, 4, 5, 6], a4.flatten)
assert_equal_instance(@cls[ a1, a3], a4)
a5 = @cls[ a1, @cls[], a3 ]
assert_equal_instance([1, 2, 3, 4, 5, 6], a5.flatten)
assert_equal_instance([1, 2, 3, 4, [5, 6]], a5.flatten(1))
assert_equal_instance([], @cls[].flatten)
assert_equal_instance([],
@cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten)
end
def test_flatten_wrong_argument
assert_raise(TypeError, "[ruby-dev:31197]") { [[]].flatten("") }
end
def test_flatten_level0
a8 = @cls[[1, 2], 3]
a9 = a8.flatten(0)
assert_equal(a8, a9)
assert_not_same(a8, a9)
end
def test_flatten_splat
bug10748 = '[ruby-core:67637] [Bug #10748]'
o = Object.new
o.singleton_class.class_eval do
define_method(:to_ary) do
raise bug10748
end
end
a = @cls[@cls[o]]
assert_raise_with_message(RuntimeError, bug10748) {a.flatten}
assert_nothing_raised(RuntimeError, bug10748) {a.flatten(1)}
end
def test_flattern_singleton_class
bug12738 = '[ruby-dev:49781] [Bug #12738]'
a = [[0]]
class << a
def m; end
end
assert_raise(NoMethodError, bug12738) { a.flatten.m }
end
def test_flatten_recursive
a = []
a << a
assert_raise(ArgumentError) { a.flatten }
b = [1]; c = [2, b]; b << c
assert_raise(ArgumentError) { b.flatten }
assert_equal([1, 2, b], b.flatten(1))
assert_equal([1, 2, 1, 2, 1, c], b.flatten(4))
end
def test_flatten!
a1 = @cls[ 1, 2, 3]
a2 = @cls[ 5, 6 ]
a3 = @cls[ 4, a2 ]
a4 = @cls[ a1, a3 ]
assert_equal(@cls[1, 2, 3, 4, 5, 6], a4.flatten!)
assert_equal(@cls[1, 2, 3, 4, 5, 6], a4)
a5 = @cls[ a1, @cls[], a3 ]
assert_equal(@cls[1, 2, 3, 4, 5, 6], a5.flatten!)
assert_nil(a5.flatten!(0), '[ruby-core:23382]')
assert_equal(@cls[1, 2, 3, 4, 5, 6], a5)
end
def test_flatten_empty!
assert_nil(@cls[].flatten!)
assert_equal(@cls[],
@cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten!)
end
def test_flatten_level0!
assert_nil(@cls[].flatten!(0), '[ruby-core:23382]')
end
def test_flatten_splat!
bug10748 = '[ruby-core:67637] [Bug #10748]'
o = Object.new
o.singleton_class.class_eval do
define_method(:to_ary) do
raise bug10748
end
end
a = @cls[@cls[o]]
assert_raise_with_message(RuntimeError, bug10748) {a.flatten!}
assert_nothing_raised(RuntimeError, bug10748) {a.flatten!(1)}
end
def test_flattern_singleton_class!
bug12738 = '[ruby-dev:49781] [Bug #12738]'
a = [[0]]
class << a
def m; end
end
assert_nothing_raised(NameError, bug12738) { a.flatten!.m }
end
def test_flatten_with_callcc
need_continuation
o = Object.new
def o.to_ary() callcc {|k| @cont = k; [1,2,3]} end
begin
assert_equal([10, 20, 1, 2, 3, 30, 1, 2, 3, 40], [10, 20, o, 30, o, 40].flatten)
rescue => e
else
o.instance_eval {@cont}.call
end
assert_instance_of(RuntimeError, e, '[ruby-dev:34798]')
assert_match(/reentered/, e.message, '[ruby-dev:34798]')
end
def test_flatten_respond_to_missing
bug11465 = '[ruby-core:70460] [Bug #11465]'
obj = Class.new do
def respond_to_missing?(method, stuff)
return false if method == :to_ary
super
end
def method_missing(*args)
super
end
end.new
ex = nil
trace = TracePoint.new(:raise) do |tp|
ex = tp.raised_exception
end
trace.enable {[obj].flatten}
assert_nil(ex, bug11465)
end
def test_permutation_with_callcc
need_continuation
n = 1000
cont = nil
ary = [1,2,3]
begin
ary.permutation {
callcc {|k| cont = k} unless cont
}
rescue => e
end
n -= 1
cont.call if 0 < n
assert_instance_of(RuntimeError, e)
assert_match(/reentered/, e.message)
end
def test_product_with_callcc
need_continuation
n = 1000
cont = nil
ary = [1,2,3]
begin
ary.product {
callcc {|k| cont = k} unless cont
}
rescue => e
end
n -= 1
cont.call if 0 < n
assert_instance_of(RuntimeError, e)
assert_match(/reentered/, e.message)
end
def test_combination_with_callcc
need_continuation
n = 1000
cont = nil
ary = [1,2,3]
begin
ary.combination(2) {
callcc {|k| cont = k} unless cont
}
rescue => e
end
n -= 1
cont.call if 0 < n
assert_instance_of(RuntimeError, e)
assert_match(/reentered/, e.message)
end
def test_repeated_permutation_with_callcc
need_continuation
n = 1000
cont = nil
ary = [1,2,3]
begin
ary.repeated_permutation(2) {
callcc {|k| cont = k} unless cont
}
rescue => e
end
n -= 1
cont.call if 0 < n
assert_instance_of(RuntimeError, e)
assert_match(/reentered/, e.message)
end
def test_repeated_combination_with_callcc
need_continuation
n = 1000
cont = nil
ary = [1,2,3]
begin
ary.repeated_combination(2) {
callcc {|k| cont = k} unless cont
}
rescue => e
end
n -= 1
cont.call if 0 < n
assert_instance_of(RuntimeError, e)
assert_match(/reentered/, e.message)
end
def test_hash
a1 = @cls[ 'cat', 'dog' ]
a2 = @cls[ 'cat', 'dog' ]
a3 = @cls[ 'dog', 'cat' ]
assert_equal(a1.hash, a2.hash)
assert_not_equal(a1.hash, a3.hash)
bug9231 = '[ruby-core:58993] [Bug #9231]'
assert_not_equal(false.hash, @cls[].hash, bug9231)
end
def test_include?
a = @cls[ 'cat', 99, /a/, @cls[ 1, 2, 3] ]
assert_include(a, 'cat')
assert_include(a, 99)
assert_include(a, /a/)
assert_include(a, [1,2,3])
assert_not_include(a, 'ca')
assert_not_include(a, [1,2])
end
def test_intersect?
a = @cls[ 1, 2, 3]
assert_send([a, :intersect?, [3]])
assert_not_send([a, :intersect?, [4]])
assert_not_send([a, :intersect?, []])
end
def test_intersect_big_array
assert_send([@cls[ 1, 4, 5 ]*64, :intersect?, @cls[ 1, 2, 3 ]*64])
assert_not_send([@cls[ 1, 2, 3 ]*64, :intersect?, @cls[ 4, 5, 6 ]*64])
assert_not_send([@cls[], :intersect?, @cls[ 1, 2, 3 ]*64])
end
def test_index
a = @cls[ 'cat', 99, /a/, 99, @cls[ 1, 2, 3] ]
assert_equal(0, a.index('cat'))
assert_equal(1, a.index(99))
assert_equal(4, a.index([1,2,3]))
assert_nil(a.index('ca'))
assert_nil(a.index([1,2]))
assert_equal(1, assert_warn(/given block not used/) {a.index(99) {|x| x == 'cat' }})
end
def test_values_at
a = @cls[*('a'..'j').to_a]
assert_equal(@cls['a', 'c', 'e'], a.values_at(0, 2, 4))
assert_equal(@cls['j', 'h', 'f'], a.values_at(-1, -3, -5))
assert_equal(@cls['h', nil, 'a'], a.values_at(-3, 99, 0))
end
def test_join
assert_deprecated_warning {$, = ""}
a = @cls[]
assert_equal("", assert_deprecated_warn(/non-nil value/) {a.join})
assert_equal("", a.join(','))
assert_equal(Encoding::US_ASCII, assert_deprecated_warn(/non-nil value/) {a.join}.encoding)
assert_deprecated_warning {$, = ""}
a = @cls[1, 2]
assert_equal("12", assert_deprecated_warn(/non-nil value/) {a.join})
assert_equal("12", assert_deprecated_warn(/non-nil value/) {a.join(nil)})
assert_equal("1,2", a.join(','))
assert_deprecated_warning {$, = ""}
a = @cls[1, 2, 3]
assert_equal("123", assert_deprecated_warn(/non-nil value/) {a.join})
assert_equal("123", assert_deprecated_warn(/non-nil value/) {a.join(nil)})
assert_equal("1,2,3", a.join(','))
assert_deprecated_warning {$, = ":"}
a = @cls[1, 2, 3]
assert_equal("1:2:3", assert_deprecated_warn(/non-nil value/) {a.join})
assert_equal("1:2:3", assert_deprecated_warn(/non-nil value/) {a.join(nil)})
assert_equal("1,2,3", a.join(','))
assert_deprecated_warning {$, = ""}
e = ''.force_encoding('EUC-JP')
u = ''.force_encoding('UTF-8')
assert_equal(Encoding::US_ASCII, assert_deprecated_warn(/non-nil value/) {[[]].join}.encoding)
assert_equal(Encoding::US_ASCII, assert_deprecated_warn(/non-nil value/) {[1, [u]].join}.encoding)
assert_equal(Encoding::UTF_8, assert_deprecated_warn(/non-nil value/) {[u, [e]].join}.encoding)
assert_equal(Encoding::UTF_8, assert_deprecated_warn(/non-nil value/) {[u, [1]].join}.encoding)
assert_equal(Encoding::UTF_8, assert_deprecated_warn(/non-nil value/) {[Struct.new(:to_str).new(u)].join}.encoding)
bug5379 = '[ruby-core:39776]'
assert_equal(Encoding::US_ASCII, assert_deprecated_warn(/non-nil value/) {[[], u, nil].join}.encoding, bug5379)
assert_equal(Encoding::UTF_8, assert_deprecated_warn(/non-nil value/) {[[], "\u3042", nil].join}.encoding, bug5379)
ensure
$, = nil
end
def test_last
assert_equal(nil, @cls[].last)
assert_equal(1, @cls[1].last)
assert_equal(99, @cls[*(3..99).to_a].last)
end
def test_length
assert_equal(0, @cls[].length)
assert_equal(1, @cls[1].length)
assert_equal(2, @cls[1, nil].length)
assert_equal(2, @cls[nil, 1].length)
assert_equal(234, @cls[*(0..233).to_a].length)
end
# also update collect!
def test_map!
a = @cls[ 1, 'cat', 1..1 ]
assert_equal(@cls[ Integer, String, Range], a.map! {|e| e.class} )
assert_equal(@cls[ Integer, String, Range], a)
a = @cls[ 1, 'cat', 1..1 ]
assert_equal(@cls[ 99, 99, 99], a.map! { 99 } )
assert_equal(@cls[ 99, 99, 99], a)
a = @cls[ ]
assert_equal(@cls[], a.map! { 99 })
assert_equal(@cls[], a)
end
def test_pack
a = @cls[*%w( cat wombat x yy)]
assert_equal("catwomx yy ", a.pack("A3A3A3A3"))
assert_equal("cat", a.pack("A*"))
assert_equal("cwx yy ", a.pack("A3@1A3@2A3A3"))
assert_equal("catwomx\000\000yy\000", a.pack("a3a3a3a3"))
assert_equal("cat", a.pack("a*"))
assert_equal("ca", a.pack("a2"))
assert_equal("cat\000\000", a.pack("a5"))
assert_equal("\x61", @cls["01100001"].pack("B8"))
assert_equal("\x61", @cls["01100001"].pack("B*"))
assert_equal("\x61", @cls["0110000100110111"].pack("B8"))
assert_equal("\x61\x37", @cls["0110000100110111"].pack("B16"))
assert_equal("\x61\x37", @cls["01100001", "00110111"].pack("B8B8"))
assert_equal("\x60", @cls["01100001"].pack("B4"))
assert_equal("\x40", @cls["01100001"].pack("B2"))
assert_equal("\x86", @cls["01100001"].pack("b8"))
assert_equal("\x86", @cls["01100001"].pack("b*"))
assert_equal("\x86", @cls["0110000100110111"].pack("b8"))
assert_equal("\x86\xec", @cls["0110000100110111"].pack("b16"))
assert_equal("\x86\xec", @cls["01100001", "00110111"].pack("b8b8"))
assert_equal("\x06", @cls["01100001"].pack("b4"))
assert_equal("\x02", @cls["01100001"].pack("b2"))
assert_equal("ABC", @cls[ 65, 66, 67 ].pack("C3"))
assert_equal("\377BC", @cls[ -1, 66, 67 ].pack("C*"))
assert_equal("ABC", @cls[ 65, 66, 67 ].pack("c3"))
assert_equal("\377BC", @cls[ -1, 66, 67 ].pack("c*"))
assert_equal("AB\n\x10", @cls["4142", "0a", "12"].pack("H4H2H1"))
assert_equal("AB\n\x02", @cls["1424", "a0", "21"].pack("h4h2h1"))
assert_equal("abc=02def=\ncat=\n=01=\n",
@cls["abc\002def", "cat", "\001"].pack("M9M3M4"))
assert_equal("aGVsbG8K\n", @cls["hello\n"].pack("m"))
assert_equal(",:&5L;&\\*:&5L;&\\*\n", @cls["hello\nhello\n"].pack("u"))
assert_equal("\u{a9 42 2260}", @cls[0xa9, 0x42, 0x2260].pack("U*"))
format = "c2x5CCxsdils_l_a6";
# Need the expression in here to force ary[5] to be numeric. This avoids
# test2 failing because ary2 goes str->numeric->str and ary does not.
ary = [1, -100, 127, 128, 32767, 987.654321098/100.0,
12345, 123456, -32767, -123456, "abcdef"]
x = ary.pack(format)
ary2 = x.unpack(format)
assert_equal(ary.length, ary2.length)
assert_equal(ary.join(':'), ary2.join(':'))
assert_not_nil(x =~ /def/)
=begin
skipping "Not tested:
D,d & double-precision float, native format\\
E & double-precision float, little-endian byte order\\
e & single-precision float, little-endian byte order\\
F,f & single-precision float, native format\\
G & double-precision float, network (big-endian) byte order\\
g & single-precision float, network (big-endian) byte order\\
I & unsigned integer\\
i & integer\\
L & unsigned long\\
l & long\\
N & long, network (big-endian) byte order\\
n & short, network (big-endian) byte-order\\
P & pointer to a structure (fixed-length string)\\
p & pointer to a null-terminated string\\
S & unsigned short\\
s & short\\
V & long, little-endian byte order\\
v & short, little-endian byte order\\
X & back up a byte\\
x & null byte\\
Z & ASCII string (null padded, count is width)\\
"
=end
end
def test_pop
a = @cls[ 'cat', 'dog' ]
assert_equal('dog', a.pop)
assert_equal(@cls['cat'], a)
assert_equal('cat', a.pop)
assert_equal(@cls[], a)
assert_nil(a.pop)
assert_equal(@cls[], a)
end
def test_prepend
a = @cls[]
assert_equal(@cls['cat'], a.prepend('cat'))
assert_equal(@cls['dog', 'cat'], a.prepend('dog'))
assert_equal(@cls[nil, 'dog', 'cat'], a.prepend(nil))
assert_equal(@cls[@cls[1,2], nil, 'dog', 'cat'], a.prepend(@cls[1, 2]))
end
def test_push
a = @cls[1, 2, 3]
assert_equal(@cls[1, 2, 3, 4, 5], a.push(4, 5))
assert_equal(@cls[1, 2, 3, 4, 5, nil], a.push(nil))
a.push
assert_equal @cls[1, 2, 3, 4, 5, nil], a
a.push 6, 7
assert_equal @cls[1, 2, 3, 4, 5, nil, 6, 7], a
end
def test_rassoc
a1 = @cls[*%w( cat feline )]
a2 = @cls[*%w( dog canine )]
a3 = @cls[*%w( mule asinine )]
a = @cls[ a1, a2, a3 ]
assert_equal(a1, a.rassoc('feline'))
assert_equal(a3, a.rassoc('asinine'))
assert_equal(nil, a.rassoc('dog'))
assert_equal(nil, a.rassoc('mule'))
assert_equal(nil, a.rassoc(1..2))
end
# also delete_if
def test_reject!
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(nil, a.reject! { false })
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.reject! { true })
assert_equal(@cls[], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.reject! { |i| i > 3 })
assert_equal(@cls[1, 2, 3], a)
bug2545 = '[ruby-core:27366]'
a = @cls[ 5, 6, 7, 8, 9, 10 ]
assert_equal(9, a.reject! {|i| break i if i > 8; i < 7})
assert_equal(@cls[7, 8, 9, 10], a, bug2545)
assert_raise(FrozenError) do
a = @cls[1, 2, 3, 42]
a.reject! do
a.freeze
true
end
end
assert_equal(@cls[1, 2, 3, 42], a)
end
def test_shared_array_reject!
c = []
b = [1, 2, 3, 4]
3.times do
a = b.dup
c << a.dup
begin
a.reject! do |x|
case x
when 2 then true
when 3 then raise StandardError, 'Oops'
else false
end
end
rescue StandardError
end
c << a.dup
end
bug90781 = '[ruby-core:90781]'
assert_equal [[1, 2, 3, 4],
[1, 3, 4],
[1, 2, 3, 4],
[1, 3, 4],
[1, 2, 3, 4],
[1, 3, 4]], c, bug90781
end
def test_iseq_shared_array_reject!
c = []
3.times do
a = [1, 2, 3, 4]
c << a.dup
begin
a.reject! do |x|
case x
when 2 then true
when 3 then raise StandardError, 'Oops'
else false
end
end
rescue StandardError
end
c << a.dup
end
bug90781 = '[ruby-core:90781]'
assert_equal [[1, 2, 3, 4],
[1, 3, 4],
[1, 2, 3, 4],
[1, 3, 4],
[1, 2, 3, 4],
[1, 3, 4]], c, bug90781
end
def test_replace
a = @cls[ 1, 2, 3]
a_id = a.__id__
assert_equal(@cls[4, 5, 6], a.replace(@cls[4, 5, 6]))
assert_equal(@cls[4, 5, 6], a)
assert_equal(a_id, a.__id__)
assert_equal(@cls[], a.replace(@cls[]))
fa = a.dup.freeze
assert_nothing_raised(RuntimeError) { a.replace(a) }
assert_raise(FrozenError) { fa.replace(fa) }
assert_raise(ArgumentError) { fa.replace() }
assert_raise(TypeError) { a.replace(42) }
assert_raise(FrozenError) { fa.replace(42) }
end
def test_reverse
a = @cls[*%w( dog cat bee ant )]
assert_equal(@cls[*%w(ant bee cat dog)], a.reverse)
assert_equal(@cls[*%w(dog cat bee ant)], a)
assert_equal(@cls[], @cls[].reverse)
end
def test_reverse!
a = @cls[*%w( dog cat bee ant )]
assert_equal(@cls[*%w(ant bee cat dog)], a.reverse!)
assert_equal(@cls[*%w(ant bee cat dog)], a)
assert_equal @cls[], @cls[].reverse!
end
def test_reverse_each
a = @cls[*%w( dog cat bee ant )]
i = a.length
a.reverse_each { |e|
i -= 1
assert_equal(a[i], e)
}
assert_equal(0, i)
a = @cls[]
i = 0
a.reverse_each { |e|
i += 1
assert(false, "Never get here")
}
assert_equal(0, i)
end
def test_rindex
a = @cls[ 'cat', 99, /a/, 99, [ 1, 2, 3] ]
assert_equal(0, a.rindex('cat'))
assert_equal(3, a.rindex(99))
assert_equal(4, a.rindex([1,2,3]))
assert_nil(a.rindex('ca'))
assert_nil(a.rindex([1,2]))
assert_equal(3, assert_warning(/given block not used/) {a.rindex(99) {|x| x == [1,2,3] }})
bug15951 = "[Bug #15951]"
o2 = Object.new
def o2.==(other)
other.replace([]) if Array === other
false
end
a = Array.new(10)
a.fill(o2)
assert_nil(a.rindex(a), bug15951)
end
def test_shift
a = @cls[ 'cat', 'dog' ]
assert_equal('cat', a.shift)
assert_equal(@cls['dog'], a)
assert_equal('dog', a.shift)
assert_equal(@cls[], a)
assert_nil(a.shift)
assert_equal(@cls[], a)
end
def test_size
assert_equal(0, @cls[].size)
assert_equal(1, @cls[1].size)
assert_equal(100, @cls[*(0..99).to_a].size)
end
def test_slice
a = @cls[*(1..100).to_a]
assert_equal(1, a.slice(0))
assert_equal(100, a.slice(99))
assert_nil(a.slice(100))
assert_equal(100, a.slice(-1))
assert_equal(99, a.slice(-2))
assert_equal(1, a.slice(-100))
assert_nil(a.slice(-101))
assert_equal_instance([1], a.slice(0,1))
assert_equal_instance([100], a.slice(99,1))
assert_equal_instance([], a.slice(100,1))
assert_equal_instance([100], a.slice(99,100))
assert_equal_instance([100], a.slice(-1,1))
assert_equal_instance([99], a.slice(-2,1))
assert_equal_instance([10, 11, 12], a.slice(9, 3))
assert_equal_instance([10, 11, 12], a.slice(-91, 3))
assert_nil(a.slice(-101, 2))
assert_equal_instance([1], a.slice(0..0))
assert_equal_instance([100], a.slice(99..99))
assert_equal_instance([], a.slice(100..100))
assert_equal_instance([100], a.slice(99..200))
assert_equal_instance([100], a.slice(-1..-1))
assert_equal_instance([99], a.slice(-2..-2))
assert_equal_instance([10, 11, 12], a.slice(9..11))
assert_equal_instance([98, 99, 100], a.slice(97..))
assert_equal_instance([10, 11, 12], a.slice(-91..-89))
assert_equal_instance([10, 11, 12], a.slice(-91..-89))
assert_equal_instance([5, 8, 11], a.slice((4..12)%3))
assert_equal_instance([95, 97, 99], a.slice((94..)%2))
# [0] [1] [2] [3] [4] [5] [6] [7]
# ary = [ 1 2 3 4 5 6 7 8 ... ]
# (0) (1) (2) <- (..7) % 3
# (2) (1) (0) <- (7..) % -3
assert_equal_instance([1, 4, 7], a.slice((..7)%3))
assert_equal_instance([8, 5, 2], a.slice((7..)% -3))
# [-98] [-97] [-96] [-95] [-94] [-93] [-92] [-91] [-90]
# ary = [ ... 3 4 5 6 7 8 9 10 11 ... ]
# (0) (1) (2) <- (-98..-90) % 3
# (2) (1) (0) <- (-90..-98) % -3
assert_equal_instance([3, 6, 9], a.slice((-98..-90)%3))
assert_equal_instance([11, 8, 5], a.slice((-90..-98)% -3))
# [ 48] [ 49] [ 50] [ 51] [ 52] [ 53]
# [-52] [-51] [-50] [-49] [-48] [-47]
# ary = [ ... 49 50 51 52 53 54 ... ]
# (0) (1) (2) <- (48..-47) % 2
# (2) (1) (0) <- (-47..48) % -2
assert_equal_instance([49, 51, 53], a.slice((48..-47)%2))
assert_equal_instance([54, 52, 50], a.slice((-47..48)% -2))
idx = ((3..90) % 2).to_a
assert_equal_instance(a.values_at(*idx), a.slice((3..90)%2))
idx = 90.step(3, -2).to_a
assert_equal_instance(a.values_at(*idx), a.slice((90 .. 3)% -2))
end
def test_slice_out_of_range
a = @cls[*(1..100).to_a]
assert_nil(a.slice(-101..-1))
assert_nil(a.slice(-101..))
assert_raise_with_message(RangeError, "((-101..-1).%(2)) out of range") { a.slice((-101..-1)%2) }
assert_raise_with_message(RangeError, "((-101..).%(2)) out of range") { a.slice((-101..)%2) }
assert_nil(a.slice(10, -3))
assert_equal @cls[], a.slice(10..7)
end
def test_slice!
a = @cls[1, 2, 3, 4, 5]
assert_equal(3, a.slice!(2))
assert_equal(@cls[1, 2, 4, 5], a)
a = @cls[1, 2, 3, 4, 5]
assert_equal(4, a.slice!(-2))
assert_equal(@cls[1, 2, 3, 5], a)
a = @cls[1, 2, 3, 4, 5]
s = a.slice!(2,2)
assert_equal_instance([3,4], s)
assert_equal(@cls[1, 2, 5], a)
a = @cls[1, 2, 3, 4, 5]
s = a.slice!(-2,2)
assert_equal_instance([4,5], s)
assert_equal(@cls[1, 2, 3], a)
a = @cls[1, 2, 3, 4, 5]
s = a.slice!(2..3)
assert_equal_instance([3,4], s)
assert_equal(@cls[1, 2, 5], a)
a = @cls[1, 2, 3, 4, 5]
assert_equal(nil, a.slice!(20))
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[1, 2, 3, 4, 5]
assert_equal(nil, a.slice!(-6))
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[1, 2, 3, 4, 5]
assert_equal(nil, a.slice!(-6..4))
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[1, 2, 3, 4, 5]
assert_equal(nil, a.slice!(-6,2))
assert_equal(@cls[1, 2, 3, 4, 5], a)
assert_equal("[2, 3]", [1,2,3].slice!(1,10000).inspect, "moved from btest/knownbug")
assert_raise(ArgumentError) { @cls[1].slice! }
assert_raise(ArgumentError) { @cls[1].slice!(0, 0, 0) }
end
def test_sort
a = @cls[ 4, 1, 2, 3 ]
assert_equal(@cls[1, 2, 3, 4], a.sort)
assert_equal(@cls[4, 1, 2, 3], a)
assert_equal(@cls[4, 3, 2, 1], a.sort { |x, y| y <=> x} )
assert_equal(@cls[4, 1, 2, 3], a)
assert_equal(@cls[1, 2, 3, 4], a.sort { |x, y| (x - y) * (2**100) })
a.fill(1)
assert_equal(@cls[1, 1, 1, 1], a.sort)
assert_equal(@cls[], @cls[].sort)
end
def test_sort!
a = @cls[ 4, 1, 2, 3 ]
assert_equal(@cls[1, 2, 3, 4], a.sort!)
assert_equal(@cls[1, 2, 3, 4], a)
assert_equal(@cls[4, 3, 2, 1], a.sort! { |x, y| y <=> x} )
assert_equal(@cls[4, 3, 2, 1], a)
a.fill(1)
assert_equal(@cls[1, 1, 1, 1], a.sort!)
assert_equal(@cls[1], @cls[1].sort!)
assert_equal(@cls[], @cls[].sort!)
a = @cls[4, 3, 2, 1]
a.sort! {|m, n| a.replace([9, 8, 7, 6]); m <=> n }
assert_equal([1, 2, 3, 4], a)
a = @cls[4, 3, 2, 1]
a.sort! {|m, n| a.replace([9, 8, 7]); m <=> n }
assert_equal([1, 2, 3, 4], a)
end
def test_sort_with_callcc
need_continuation
n = 1000
cont = nil
ary = (1..100).to_a
begin
ary.sort! {|a,b|
callcc {|k| cont = k} unless cont
assert_equal(100, ary.size, '[ruby-core:16679]')
a <=> b
}
rescue => e
end
n -= 1
cont.call if 0 < n
assert_instance_of(RuntimeError, e, '[ruby-core:16679]')
assert_match(/reentered/, e.message, '[ruby-core:16679]')
end
def test_sort_with_replace
bug = '[ruby-core:34732]'
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 30)
bug = "#{bug}"
begin;
xary = (1..100).to_a
100.times do
ary = (1..100).to_a
ary.sort! {|a,b| ary.replace(xary); a <=> b}
GC.start
assert_equal(xary, ary, '[ruby-dev:34732]')
end
assert_nothing_raised(SystemStackError, bug) do
assert_equal(:ok, Array.new(100_000, nil).permutation {break :ok})
end
end;
end
def test_sort_bang_with_freeze
ary = []
o1 = Object.new
o1.singleton_class.class_eval {
define_method(:<=>) {|v|
ary.freeze
1
}
}
o2 = o1.clone
ary << o1 << o2
orig = ary.dup
assert_raise(FrozenError, "frozen during comparison") {ary.sort!}
assert_equal(orig, ary, "must not be modified once frozen")
end
def test_short_heap_array_sort_bang_memory_leak
bug11332 = '[ruby-dev:49166] [Bug #11332]'
assert_no_memory_leak([], <<-PREP, <<-TEST, bug11332, limit: 1.3, timeout: 60)
def t; ary = [*1..5]; ary.pop(2); ary.sort!; end
1.times {t}
PREP
500000.times {t}
TEST
end
def test_sort_uncomparable
assert_raise(ArgumentError) {[1, Float::NAN].sort}
assert_raise(ArgumentError) {[1.0, Float::NAN].sort}
assert_raise(ArgumentError) {[Float::NAN, 1].sort}
assert_raise(ArgumentError) {[Float::NAN, 1.0].sort}
end
def test_to_a
a = @cls[ 1, 2, 3 ]
a_id = a.__id__
assert_equal(a, a.to_a)
assert_equal(a_id, a.to_a.__id__)
end
def test_to_ary
a = [ 1, 2, 3 ]
b = @cls[*a]
a_id = a.__id__
assert_equal(a, b.to_ary)
if (@cls == Array)
assert_equal(a_id, a.to_ary.__id__)
end
o = Object.new
def o.to_ary
[4, 5]
end
assert_equal([1, 2, 3, 4, 5], a.concat(o))
o = Object.new
def o.to_ary
foo_bar()
end
assert_raise_with_message(NoMethodError, /foo_bar/) {a.concat(o)}
end
def test_to_s
assert_deprecated_warning {$, = ""}
a = @cls[]
assert_equal("[]", a.to_s)
assert_deprecated_warning {$, = ""}
a = @cls[1, 2]
assert_equal("[1, 2]", a.to_s)
assert_deprecated_warning {$, = ""}
a = @cls[1, 2, 3]
assert_equal("[1, 2, 3]", a.to_s)
assert_deprecated_warning {$, = ""}
a = @cls[1, 2, 3]
assert_equal("[1, 2, 3]", a.to_s)
ensure
$, = nil
end
StubToH = [
[:key, :value],
Object.new.tap do |kvp|
def kvp.to_ary
[:obtained, :via_to_ary]
end
end,
]
def test_to_h
array = StubToH
assert_equal({key: :value, obtained: :via_to_ary}, array.to_h)
e = assert_raise(TypeError) {
[[:first_one, :ok], :not_ok].to_h
}
assert_equal "wrong element type Symbol at 1 (expected array)", e.message
array = [eval("class C\u{1f5ff}; self; end").new]
assert_raise_with_message(TypeError, /C\u{1f5ff}/) {array.to_h}
e = assert_raise(ArgumentError) {
[[:first_one, :ok], [1, 2], [:not_ok]].to_h
}
assert_equal "wrong array length at 2 (expected 2, was 1)", e.message
end
def test_to_h_block
array = StubToH
assert_equal({"key" => "value", "obtained" => "via_to_ary"},
array.to_h {|k, v| [k.to_s, v.to_s]})
assert_equal({first_one: :ok, not_ok: :ng},
[[:first_one, :ok], :not_ok].to_h {|k, v| [k, v || :ng]})
e = assert_raise(TypeError) {
[[:first_one, :ok], :not_ok].to_h {|k, v| v ? [k, v] : k}
}
assert_equal "wrong element type Symbol at 1 (expected array)", e.message
array = [1]
k = eval("class C\u{1f5ff}; self; end").new
assert_raise_with_message(TypeError, /C\u{1f5ff}/) {array.to_h {k}}
e = assert_raise(ArgumentError) {
[[:first_one, :ok], [1, 2], [:not_ok]].to_h {|kv| kv}
}
assert_equal "wrong array length at 2 (expected 2, was 1)", e.message
end
def test_min
assert_equal(3, [3].min)
assert_equal(1, [1, 2, 3, 1, 2].min)
assert_equal(3, [1, 2, 3, 1, 2].min {|a,b| b <=> a })
cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib }
assert_equal([3, 2], [1, 2, 3, 1, 2].each_with_index.min(&cond))
assert_equal(1.0, [3.0, 1.0, 2.0].min)
ary = %w(albatross dog horse)
assert_equal("albatross", ary.min)
assert_equal("dog", ary.min {|a,b| a.length <=> b.length })
assert_equal(1, [3,2,1].min)
assert_equal(%w[albatross dog], ary.min(2))
assert_equal(%w[dog horse],
ary.min(2) {|a,b| a.length <=> b.length })
assert_equal([13, 14], [20, 32, 32, 21, 30, 25, 29, 13, 14].min(2))
assert_equal([2, 4, 6, 7], [2, 4, 8, 6, 7].min(4))
class << (obj = Object.new)
def <=>(x) 1 <=> x end
def coerce(x) [x, 1] end
end
assert_same(obj, [obj, 1.0].min)
end
def test_min_uncomparable
assert_raise(ArgumentError) {[1, Float::NAN].min}
assert_raise(ArgumentError) {[1.0, Float::NAN].min}
assert_raise(ArgumentError) {[Float::NAN, 1].min}
assert_raise(ArgumentError) {[Float::NAN, 1.0].min}
end
def test_max
assert_equal(1, [1].max)
assert_equal(3, [1, 2, 3, 1, 2].max)
assert_equal(1, [1, 2, 3, 1, 2].max {|a,b| b <=> a })
cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib }
assert_equal([1, 3], [1, 2, 3, 1, 2].each_with_index.max(&cond))
assert_equal(3.0, [1.0, 3.0, 2.0].max)
ary = %w(albatross dog horse)
assert_equal("horse", ary.max)
assert_equal("albatross", ary.max {|a,b| a.length <=> b.length })
assert_equal(1, [3,2,1].max{|a,b| b <=> a })
assert_equal(%w[horse dog], ary.max(2))
assert_equal(%w[albatross horse],
ary.max(2) {|a,b| a.length <=> b.length })
assert_equal([3, 2], [0, 0, 0, 0, 0, 0, 1, 3, 2].max(2))
class << (obj = Object.new)
def <=>(x) 1 <=> x end
def coerce(x) [x, 1] end
end
assert_same(obj, [obj, 1.0].max)
end
def test_max_uncomparable
assert_raise(ArgumentError) {[1, Float::NAN].max}
assert_raise(ArgumentError) {[1.0, Float::NAN].max}
assert_raise(ArgumentError) {[Float::NAN, 1].max}
assert_raise(ArgumentError) {[Float::NAN, 1.0].max}
end
def test_minmax
assert_equal([3, 3], [3].minmax)
assert_equal([1, 3], [1, 2, 3, 1, 2].minmax)
assert_equal([3, 1], [1, 2, 3, 1, 2].minmax {|a,b| b <=> a })
cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib }
assert_equal([[3, 2], [1, 3]], [1, 2, 3, 1, 2].each_with_index.minmax(&cond))
ary = %w(albatross dog horse)
assert_equal(["albatross", "horse"], ary.minmax)
assert_equal(["dog", "albatross"], ary.minmax {|a,b| a.length <=> b.length })
assert_equal([1, 3], [3,2,1].minmax)
class << (obj = Object.new)
def <=>(x) 1 <=> x end
def coerce(x) [x, 1] end
end
ary = [obj, 1.0].minmax
assert_same(obj, ary[0])
assert_equal(obj, ary[1])
end
def test_uniq
a = []
b = a.uniq
assert_equal([], a)
assert_equal([], b)
assert_not_same(a, b)
a = [1]
b = a.uniq
assert_equal([1], a)
assert_equal([1], b)
assert_not_same(a, b)
a = [1,1]
b = a.uniq
assert_equal([1,1], a)
assert_equal([1], b)
assert_not_same(a, b)
a = [1,2]
b = a.uniq
assert_equal([1,2], a)
assert_equal([1,2], b)
assert_not_same(a, b)
a = @cls[ 1, 2, 3, 2, 1, 2, 3, 4, nil ]
b = a.dup
assert_equal(@cls[1, 2, 3, 4, nil], a.uniq)
assert_equal(b, a)
c = @cls["a:def", "a:xyz", "b:abc", "b:xyz", "c:jkl"]
d = c.dup
assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c.uniq {|s| s[/^\w+/]})
assert_equal(d, c)
assert_equal(@cls[1, 2, 3], @cls[1, 2, 3].uniq)
a = %w(a a)
b = a.uniq
assert_equal(%w(a a), a)
assert(a.none?(&:frozen?))
assert_equal(%w(a), b)
assert(b.none?(&:frozen?))
bug9340 = "[ruby-core:59457]"
ary = [bug9340, bug9340.dup, bug9340.dup]
assert_equal 1, ary.uniq.size
assert_same bug9340, ary.uniq[0]
sc = Class.new(@cls)
a = sc[]
b = a.dup
assert_equal_instance([], a.uniq)
assert_equal(b, a)
a = sc[1]
b = a.dup
assert_equal_instance([1], a.uniq)
assert_equal(b, a)
a = sc[1, 1]
b = a.dup
assert_equal_instance([1], a.uniq)
assert_equal(b, a)
a = sc[1, 1]
b = a.dup
assert_equal_instance([1], a.uniq{|x| x})
assert_equal(b, a)
end
def test_uniq_with_block
a = []
b = a.uniq {|v| v.even? }
assert_equal([], a)
assert_equal([], b)
assert_not_same(a, b)
a = [1]
b = a.uniq {|v| v.even? }
assert_equal([1], a)
assert_equal([1], b)
assert_not_same(a, b)
a = [1,3]
b = a.uniq {|v| v.even? }
assert_equal([1,3], a)
assert_equal([1], b)
assert_not_same(a, b)
a = %w(a a)
b = a.uniq {|v| v }
assert_equal(%w(a a), a)
assert(a.none?(&:frozen?))
assert_equal(%w(a), b)
assert(b.none?(&:frozen?))
end
def test_uniq!
a = []
b = a.uniq!
assert_equal(nil, b)
a = [1]
b = a.uniq!
assert_equal(nil, b)
a = [1,1]
b = a.uniq!
assert_equal([1], a)
assert_equal([1], b)
assert_same(a, b)
a = [1,2]
b = a.uniq!
assert_equal([1,2], a)
assert_equal(nil, b)
a = @cls[ 1, 2, 3, 2, 1, 2, 3, 4, nil ]
assert_equal(@cls[1, 2, 3, 4, nil], a.uniq!)
assert_equal(@cls[1, 2, 3, 4, nil], a)
c = @cls["a:def", "a:xyz", "b:abc", "b:xyz", "c:jkl"]
assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c.uniq! {|s| s[/^\w+/]})
assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c)
c = @cls["a:def", "b:abc", "c:jkl"]
assert_equal(nil, c.uniq! {|s| s[/^\w+/]})
assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c)
assert_nil(@cls[1, 2, 3].uniq!)
f = a.dup.freeze
assert_raise(ArgumentError) { a.uniq!(1) }
assert_raise(ArgumentError) { f.uniq!(1) }
assert_raise(FrozenError) { f.uniq! }
assert_nothing_raised do
a = [ {c: "b"}, {c: "r"}, {c: "w"}, {c: "g"}, {c: "g"} ]
a.sort_by!{|e| e[:c]}
a.uniq! {|e| e[:c]}
end
a = %w(a a)
b = a.uniq
assert_equal(%w(a a), a)
assert(a.none?(&:frozen?))
assert_equal(%w(a), b)
assert(b.none?(&:frozen?))
end
def test_uniq_bang_with_block
a = []
b = a.uniq! {|v| v.even? }
assert_equal(nil, b)
a = [1]
b = a.uniq! {|v| v.even? }
assert_equal(nil, b)
a = [1,3]
b = a.uniq! {|v| v.even? }
assert_equal([1], a)
assert_equal([1], b)
assert_same(a, b)
a = [1,2]
b = a.uniq! {|v| v.even? }
assert_equal([1,2], a)
assert_equal(nil, b)
a = %w(a a)
b = a.uniq! {|v| v }
assert_equal(%w(a), b)
assert_same(a, b)
assert b.none?(&:frozen?)
end
def test_uniq_bang_with_freeze
ary = [1,2]
orig = ary.dup
assert_raise(FrozenError, "frozen during comparison") {
ary.uniq! {|v| ary.freeze; 1}
}
assert_equal(orig, ary, "must not be modified once frozen")
end
def test_unshift
a = @cls[]
assert_equal(@cls['cat'], a.unshift('cat'))
assert_equal(@cls['dog', 'cat'], a.unshift('dog'))
assert_equal(@cls[nil, 'dog', 'cat'], a.unshift(nil))
assert_equal(@cls[@cls[1,2], nil, 'dog', 'cat'], a.unshift(@cls[1, 2]))
end
def test_unshift_frozen
bug15952 = '[Bug #15952]'
assert_raise(FrozenError, bug15952) do
a = [1] * 100
b = a[4..-1]
a.replace([1])
b.freeze
b.unshift("a")
end
end
def test_OR # '|'
assert_equal(@cls[], @cls[] | @cls[])
assert_equal(@cls[1], @cls[1] | @cls[])
assert_equal(@cls[1], @cls[] | @cls[1])
assert_equal(@cls[1], @cls[1] | @cls[1])
assert_equal(@cls[1,2], @cls[1] | @cls[2])
assert_equal(@cls[1,2], @cls[1, 1] | @cls[2, 2])
assert_equal(@cls[1,2], @cls[1, 2] | @cls[1, 2])
a = %w(a b c)
b = %w(a b c d e)
c = a | b
assert_equal(c, b)
assert_not_same(c, b)
assert_equal(%w(a b c), a)
assert_equal(%w(a b c d e), b)
assert(a.none?(&:frozen?))
assert(b.none?(&:frozen?))
assert(c.none?(&:frozen?))
end
def test_OR_in_order
obj1, obj2 = Class.new do
attr_reader :name
def initialize(name) @name = name; end
def inspect; "test_OR_in_order(#{@name})"; end
def hash; 0; end
def eql?(a) true; end
break [new("1"), new("2")]
end
assert_equal([obj1], [obj1]|[obj2])
end
def test_OR_big_in_order
obj1, obj2 = Class.new do
attr_reader :name
def initialize(name) @name = name; end
def inspect; "test_OR_in_order(#{@name})"; end
def hash; 0; end
def eql?(a) true; end
break [new("1"), new("2")]
end
assert_equal([obj1], [obj1]*64|[obj2]*64)
end
def test_OR_big_array # '|'
assert_equal(@cls[1,2], @cls[1]*64 | @cls[2]*64)
assert_equal(@cls[1,2], @cls[1, 2]*64 | @cls[1, 2]*64)
a = (1..64).to_a
b = (1..128).to_a
c = a | b
assert_equal(c, b)
assert_not_same(c, b)
assert_equal((1..64).to_a, a)
assert_equal((1..128).to_a, b)
end
def test_union
assert_equal(@cls[], @cls[].union(@cls[]))
assert_equal(@cls[1], @cls[1].union(@cls[]))
assert_equal(@cls[1], @cls[].union(@cls[1]))
assert_equal(@cls[1], @cls[].union(@cls[], @cls[1]))
assert_equal(@cls[1], @cls[1].union(@cls[1]))
assert_equal(@cls[1], @cls[1].union(@cls[1], @cls[1], @cls[1]))
assert_equal(@cls[1,2], @cls[1].union(@cls[2]))
assert_equal(@cls[1,2], @cls[1, 1].union(@cls[2, 2]))
assert_equal(@cls[1,2], @cls[1, 2].union(@cls[1, 2]))
assert_equal(@cls[1,2], @cls[1, 1].union(@cls[1, 1], @cls[1, 2], @cls[2, 1], @cls[2, 2, 2]))
a = %w(a b c)
b = %w(a b c d e)
c = a.union(b)
assert_equal(c, b)
assert_not_same(c, b)
assert_equal(%w(a b c), a)
assert_equal(%w(a b c d e), b)
assert(a.none?(&:frozen?))
assert(b.none?(&:frozen?))
assert(c.none?(&:frozen?))
end
def test_union_big_array
assert_equal(@cls[1,2], (@cls[1]*64).union(@cls[2]*64))
assert_equal(@cls[1,2,3], (@cls[1, 2]*64).union(@cls[1, 2]*64, @cls[3]*60))
a = (1..64).to_a
b = (1..128).to_a
c = a | b
assert_equal(c, b)
assert_not_same(c, b)
assert_equal((1..64).to_a, a)
assert_equal((1..128).to_a, b)
end
def test_combination
a = @cls[]
assert_equal(1, a.combination(0).size)
assert_equal(0, a.combination(1).size)
a = @cls[1,2,3,4]
assert_equal(1, a.combination(0).size)
assert_equal(4, a.combination(1).size)
assert_equal(6, a.combination(2).size)
assert_equal(4, a.combination(3).size)
assert_equal(1, a.combination(4).size)
assert_equal(0, a.combination(5).size)
assert_equal(@cls[[]], a.combination(0).to_a)
assert_equal(@cls[[1],[2],[3],[4]], a.combination(1).to_a)
assert_equal(@cls[[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]], a.combination(2).to_a)
assert_equal(@cls[[1,2,3],[1,2,4],[1,3,4],[2,3,4]], a.combination(3).to_a)
assert_equal(@cls[[1,2,3,4]], a.combination(4).to_a)
assert_equal(@cls[], a.combination(5).to_a)
end
def test_product
assert_equal(@cls[[1,4],[1,5],[2,4],[2,5],[3,4],[3,5]],
@cls[1,2,3].product([4,5]))
assert_equal(@cls[[1,1],[1,2],[2,1],[2,2]], @cls[1,2].product([1,2]))
assert_equal(@cls[[1,3,5],[1,3,6],[1,4,5],[1,4,6],
[2,3,5],[2,3,6],[2,4,5],[2,4,6]],
@cls[1,2].product([3,4],[5,6]))
assert_equal(@cls[[1],[2]], @cls[1,2].product)
assert_equal(@cls[], @cls[1,2].product([]))
bug3394 = '[ruby-dev:41540]'
acc = []
EnvUtil.under_gc_stress {[1,2].product([3,4,5],[6,8]){|array| acc << array}}
assert_equal([[1, 3, 6], [1, 3, 8], [1, 4, 6], [1, 4, 8], [1, 5, 6], [1, 5, 8],
[2, 3, 6], [2, 3, 8], [2, 4, 6], [2, 4, 8], [2, 5, 6], [2, 5, 8]],
acc, bug3394)
def (o = Object.new).to_ary; GC.start; [3,4] end
acc = [1,2].product(*[o]*10)
assert_equal([1,2].product([3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4]),
acc)
a = []
[1, 2].product([0, 1, 2, 3, 4][1, 4]) {|x| a << x }
a.all? {|x| assert_not_include(x, 0)}
end
def test_permutation
a = @cls[]
assert_equal(1, a.permutation(0).size)
assert_equal(0, a.permutation(1).size)
a = @cls[1,2,3]
assert_equal(1, a.permutation(0).size)
assert_equal(3, a.permutation(1).size)
assert_equal(6, a.permutation(2).size)
assert_equal(6, a.permutation(3).size)
assert_equal(0, a.permutation(4).size)
assert_equal(6, a.permutation.size)
assert_equal(@cls[[]], a.permutation(0).to_a)
assert_equal(@cls[[1],[2],[3]], a.permutation(1).to_a.sort)
assert_equal(@cls[[1,2],[1,3],[2,1],[2,3],[3,1],[3,2]],
a.permutation(2).to_a.sort)
assert_equal(@cls[[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2],[3,2,1]],
a.permutation(3).sort.to_a)
assert_equal(@cls[], a.permutation(4).to_a)
assert_equal(@cls[], a.permutation(-1).to_a)
assert_equal("abcde".each_char.to_a.permutation(5).sort,
"edcba".each_char.to_a.permutation(5).sort)
assert_equal(@cls[].permutation(0).to_a, @cls[[]])
a = @cls[1, 2, 3, 4]
b = @cls[]
a.permutation {|x| b << x; a.replace(@cls[9, 8, 7, 6]) }
assert_equal(@cls[9, 8, 7, 6], a)
assert_equal(@cls[1, 2, 3, 4].permutation.to_a, b)
bug3708 = '[ruby-dev:42067]'
assert_equal(b, @cls[0, 1, 2, 3, 4][1, 4].permutation.to_a, bug3708)
end
def test_permutation_stack_error
bug9932 = '[ruby-core:63103] [Bug #9932]'
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 30)
bug = "#{bug9932}"
begin;
assert_nothing_raised(SystemStackError, bug) do
assert_equal(:ok, Array.new(100_000, nil).permutation {break :ok})
end
end;
end
def test_repeated_permutation
a = @cls[]
assert_equal(1, a.repeated_permutation(0).size)
assert_equal(0, a.repeated_permutation(1).size)
a = @cls[1,2]
assert_equal(1, a.repeated_permutation(0).size)
assert_equal(2, a.repeated_permutation(1).size)
assert_equal(4, a.repeated_permutation(2).size)
assert_equal(8, a.repeated_permutation(3).size)
assert_equal(@cls[[]], a.repeated_permutation(0).to_a)
assert_equal(@cls[[1],[2]], a.repeated_permutation(1).to_a.sort)
assert_equal(@cls[[1,1],[1,2],[2,1],[2,2]],
a.repeated_permutation(2).to_a.sort)
assert_equal(@cls[[1,1,1],[1,1,2],[1,2,1],[1,2,2],
[2,1,1],[2,1,2],[2,2,1],[2,2,2]],
a.repeated_permutation(3).to_a.sort)
assert_equal(@cls[], a.repeated_permutation(-1).to_a)
assert_equal("abcde".each_char.to_a.repeated_permutation(5).sort,
"edcba".each_char.to_a.repeated_permutation(5).sort)
assert_equal(@cls[].repeated_permutation(0).to_a, @cls[[]])
assert_equal(@cls[].repeated_permutation(1).to_a, @cls[])
a = @cls[1, 2, 3, 4]
b = @cls[]
a.repeated_permutation(4) {|x| b << x; a.replace(@cls[9, 8, 7, 6]) }
assert_equal(@cls[9, 8, 7, 6], a)
assert_equal(@cls[1, 2, 3, 4].repeated_permutation(4).to_a, b)
a = @cls[0, 1, 2, 3, 4][1, 4].repeated_permutation(2)
assert_empty(a.reject {|x| !x.include?(0)})
end
def test_repeated_permutation_stack_error
assert_separately([], "#{<<-"begin;"}\n#{<<~'end;'}", timeout: 30)
begin;
assert_nothing_raised(SystemStackError) do
assert_equal(:ok, Array.new(100_000, nil).repeated_permutation(500_000) {break :ok})
end
end;
end
def test_repeated_combination
a = @cls[]
assert_equal(1, a.repeated_combination(0).size)
assert_equal(0, a.repeated_combination(1).size)
a = @cls[1,2,3]
assert_equal(1, a.repeated_combination(0).size)
assert_equal(3, a.repeated_combination(1).size)
assert_equal(6, a.repeated_combination(2).size)
assert_equal(10, a.repeated_combination(3).size)
assert_equal(15, a.repeated_combination(4).size)
assert_equal(@cls[[]], a.repeated_combination(0).to_a)
assert_equal(@cls[[1],[2],[3]], a.repeated_combination(1).to_a.sort)
assert_equal(@cls[[1,1],[1,2],[1,3],[2,2],[2,3],[3,3]],
a.repeated_combination(2).to_a.sort)
assert_equal(@cls[[1,1,1],[1,1,2],[1,1,3],[1,2,2],[1,2,3],
[1,3,3],[2,2,2],[2,2,3],[2,3,3],[3,3,3]],
a.repeated_combination(3).to_a.sort)
assert_equal(@cls[[1,1,1,1],[1,1,1,2],[1,1,1,3],[1,1,2,2],[1,1,2,3],
[1,1,3,3],[1,2,2,2],[1,2,2,3],[1,2,3,3],[1,3,3,3],
[2,2,2,2],[2,2,2,3],[2,2,3,3],[2,3,3,3],[3,3,3,3]],
a.repeated_combination(4).to_a.sort)
assert_equal(@cls[], a.repeated_combination(-1).to_a)
assert_equal("abcde".each_char.to_a.repeated_combination(5).map{|e|e.sort}.sort,
"edcba".each_char.to_a.repeated_combination(5).map{|e|e.sort}.sort)
assert_equal(@cls[].repeated_combination(0).to_a, @cls[[]])
assert_equal(@cls[].repeated_combination(1).to_a, @cls[])
a = @cls[1, 2, 3, 4]
b = @cls[]
a.repeated_combination(4) {|x| b << x; a.replace(@cls[9, 8, 7, 6]) }
assert_equal(@cls[9, 8, 7, 6], a)
assert_equal(@cls[1, 2, 3, 4].repeated_combination(4).to_a, b)
a = @cls[0, 1, 2, 3, 4][1, 4].repeated_combination(2)
assert_empty(a.reject {|x| !x.include?(0)})
end
def test_repeated_combination_stack_error
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 20)
begin;
assert_nothing_raised(SystemStackError) do
assert_equal(:ok, Array.new(100_000, nil).repeated_combination(500_000) {break :ok})
end
end;
end
def test_take
assert_equal_instance([1,2,3], @cls[1,2,3,4,5,0].take(3))
assert_raise(ArgumentError, '[ruby-dev:34123]') { [1,2].take(-1) }
assert_equal_instance([1,2], @cls[1,2].take(1000000000), '[ruby-dev:34123]')
end
def test_take_while
assert_equal_instance([1,2], @cls[1,2,3,4,5,0].take_while {|i| i < 3 })
end
def test_drop
assert_equal_instance([4,5,0], @cls[1,2,3,4,5,0].drop(3))
assert_raise(ArgumentError, '[ruby-dev:34123]') { [1,2].drop(-1) }
assert_equal_instance([], @cls[1,2].drop(1000000000), '[ruby-dev:34123]')
end
def test_drop_while
assert_equal_instance([3,4,5,0], @cls[1,2,3,4,5,0].drop_while {|i| i < 3 })
end
LONGP = [127, 63, 31, 15, 7].map {|x| 2**x-1 }.find do |x|
begin
[].first(x)
rescue ArgumentError
true
rescue RangeError
false
end
end
def test_ary_new
assert_raise(ArgumentError) { [].to_enum.first(-1) }
assert_raise(ArgumentError) { [].to_enum.first(LONGP) }
end
def test_try_convert
assert_equal([1], Array.try_convert([1]))
assert_equal(nil, Array.try_convert("1"))
end
def test_initialize
assert_nothing_raised { [].instance_eval { initialize } }
assert_warning(/given block not used/) { Array.new { } }
assert_equal([1, 2, 3], Array.new([1, 2, 3]))
assert_raise(ArgumentError) { Array.new(-1, 1) }
assert_raise(ArgumentError) { Array.new(LONGP, 1) }
assert_equal([1, 1, 1], Array.new(3, 1))
assert_equal([1, 1, 1], Array.new(3) { 1 })
assert_equal([1, 1, 1], assert_warning(/block supersedes default value argument/) {Array.new(3, 1) { 1 }})
end
def test_aset_error
assert_raise(IndexError) { [0][-2] = 1 }
assert_raise(IndexError) { [0][LONGP] = 2 }
assert_raise(IndexError) { [0][(LONGP + 1) / 2 - 1] = 2 }
assert_raise(IndexError) { [0][LONGP..-1] = 2 }
assert_raise(IndexError) { [0][LONGP..] = 2 }
a = [0]
a[2] = 4
assert_equal([0, nil, 4], a)
assert_raise(ArgumentError) { [0][0, 0, 0] = 0 }
assert_raise(ArgumentError) { [0].freeze[0, 0, 0] = 0 }
assert_raise(TypeError) { [0][:foo] = 0 }
assert_raise(FrozenError) { [0].freeze[:foo] = 0 }
# [Bug #17271]
assert_raise_with_message(RangeError, "-7.. out of range") { [*0..5][-7..] = 1 }
end
def test_first2
assert_equal([0], [0].first(2))
assert_raise(ArgumentError) { [0].first(-1) }
end
def test_last2
assert_equal([0], [0].last(2))
assert_raise(ArgumentError) { [0].last(-1) }
end
def test_shift2
assert_equal(0, ([0] * 16).shift)
# check
a = [0, 1, 2]
a[3] = 3
a.shift(2)
assert_equal([2, 3], a)
assert_equal([1,1,1], ([1] * 100).shift(3))
end
def test_unshift_error
assert_raise(FrozenError) { [].freeze.unshift('cat') }
assert_raise(FrozenError) { [].freeze.unshift() }
end
def test_aref
assert_raise(ArgumentError) { [][0, 0, 0] }
assert_raise(ArgumentError) { @cls[][0, 0, 0] }
end
def test_fetch
assert_equal(1, assert_warning(/block supersedes default value argument/) {[].fetch(0, 0) { 1 }})
assert_equal(1, [0, 1].fetch(-1))
assert_raise(IndexError) { [0, 1].fetch(2) }
assert_raise(IndexError) { [0, 1].fetch(-3) }
assert_equal(2, [0, 1].fetch(2, 2))
end
def test_index2
a = [0, 1, 2]
assert_equal(a, a.index.to_a)
assert_equal(1, a.index {|x| x == 1 })
end
def test_rindex2
a = [0, 1, 2]
assert_equal([2, 1, 0], a.rindex.to_a)
assert_equal(1, a.rindex {|x| x == 1 })
a = [0, 1]
e = a.rindex
assert_equal(1, e.next)
a.clear
assert_raise(StopIteration) { e.next }
o = Object.new
class << o; self; end.class_eval do
define_method(:==) {|x| a.clear; false }
end
a = [nil, o]
assert_equal(nil, a.rindex(0))
end
def test_ary_to_ary
o = Object.new
def o.to_ary; [1, 2, 3]; end
a, b, c = o
assert_equal([1, 2, 3], [a, b, c])
end
def test_splice
a = [0]
assert_raise(IndexError) { a[-2, 0] = nil }
end
def test_insert
a = [0]
assert_equal([0], a.insert(1))
assert_equal([0, 1], a.insert(1, 1))
assert_raise(ArgumentError) { a.insert }
assert_raise(TypeError) { a.insert(Object.new) }
assert_equal([0, 1, 2], a.insert(-1, 2))
assert_equal([0, 1, 3, 2], a.insert(-2, 3))
assert_raise_with_message(IndexError, /-6/) { a.insert(-6, 4) }
assert_raise(FrozenError) { [0].freeze.insert(0)}
assert_raise(ArgumentError) { [0].freeze.insert }
end
def test_join2
a = []
a << a
assert_raise(ArgumentError){a.join}
def (a = Object.new).to_ary
[self]
end
assert_raise(ArgumentError, '[ruby-core:24150]'){[a].join}
assert_equal("12345", [1,[2,[3,4],5]].join)
end
def test_join_recheck_elements_type
x = Struct.new(:ary).new
def x.to_str
ary[2] = [0, 1, 2]
"z"
end
(x.ary = ["a", "b", "c", x])
assert_equal("ab012z", x.ary.join(""))
end
def test_join_recheck_array_length
x = Struct.new(:ary).new
def x.to_str
ary.clear
ary[0] = "b"
"z"
end
x.ary = Array.new(1023) {"a"*1} << x
assert_equal("b", x.ary.join(""))
end
def test_to_a2
klass = Class.new(Array)
a = klass.new.to_a
assert_equal([], a)
assert_equal(Array, a.class)
end
def test_values_at2
a = [0, 1, 2, 3, 4, 5]
assert_equal([1, 2, 3], a.values_at(1..3))
assert_equal([nil, nil], a.values_at(7..8))
bug6203 = '[ruby-core:43678]'
assert_equal([4, 5, nil, nil], a.values_at(4..7), bug6203)
assert_equal([nil], a.values_at(2**31-1))
end
def test_select
assert_equal([0, 2], [0, 1, 2, 3].select {|x| x % 2 == 0 })
end
# also keep_if
def test_select!
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(nil, a.select! { true })
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.select! { false })
assert_equal(@cls[], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.select! { |i| i > 3 })
assert_equal(@cls[4, 5], a)
bug10722 = '[ruby-dev:48805] [Bug #10722]'
a = @cls[ 5, 6, 7, 8, 9, 10 ]
r = a.select! {|i|
break i if i > 8
# assert_equal(a[0], i, "should be selected values only") if i == 7
i >= 7
}
assert_equal(9, r)
assert_equal(@cls[7, 8, 9, 10], a, bug10722)
bug13053 = '[ruby-core:78739] [Bug #13053] Array#select! can resize to negative size'
a = @cls[ 1, 2, 3, 4, 5 ]
a.select! {|i| a.clear if i == 5; false }
assert_equal(0, a.size, bug13053)
assert_raise(FrozenError) do
a = @cls[1, 2, 3, 42]
a.select! do
a.freeze
false
end
end
assert_equal(@cls[1, 2, 3, 42], a)
end
# also select!
def test_keep_if
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.keep_if { true })
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.keep_if { false })
assert_equal(@cls[], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.keep_if { |i| i > 3 })
assert_equal(@cls[4, 5], a)
assert_raise(FrozenError) do
a = @cls[1, 2, 3, 42]
a.keep_if do
a.freeze
false
end
end
assert_equal(@cls[1, 2, 3, 42], a)
end
def test_filter
assert_equal([0, 2], [0, 1, 2, 3].filter {|x| x % 2 == 0 })
end
# alias for select!
def test_filter!
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(nil, a.filter! { true })
assert_equal(@cls[1, 2, 3, 4, 5], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.filter! { false })
assert_equal(@cls[], a)
a = @cls[ 1, 2, 3, 4, 5 ]
assert_equal(a, a.filter! { |i| i > 3 })
assert_equal(@cls[4, 5], a)
end
def test_delete2
a = [0] * 1024 + [1] + [0] * 1024
a.delete(0)
assert_equal([1], a)
end
def test_reject
assert_equal([1, 3], [0, 1, 2, 3].reject {|x| x % 2 == 0 })
end
def test_reject_with_callcc
need_continuation
bug9727 = '[ruby-dev:48101] [Bug #9727]'
cont = nil
a = [*1..10].reject do |i|
callcc {|c| cont = c} if !cont and i == 10
false
end
if a.size < 1000
a.unshift(:x)
cont.call
end
assert_equal(1000, a.size, bug9727)
assert_equal([:x, *1..10], a.uniq, bug9727)
end
def test_zip
assert_equal([[1, :a, "a"], [2, :b, "b"], [3, nil, "c"]],
[1, 2, 3].zip([:a, :b], ["a", "b", "c", "d"]))
a = []
[1, 2, 3].zip([:a, :b], ["a", "b", "c", "d"]) {|x| a << x }
assert_equal([[1, :a, "a"], [2, :b, "b"], [3, nil, "c"]], a)
ary = Object.new
def ary.to_a; [1, 2]; end
assert_raise(TypeError) {%w(a b).zip(ary)}
def ary.each; [3, 4].each{|e|yield e}; end
assert_equal([['a', 3], ['b', 4]], %w(a b).zip(ary))
def ary.to_ary; [5, 6]; end
assert_equal([['a', 5], ['b', 6]], %w(a b).zip(ary))
end
def test_zip_bug
bug8153 = "ruby-core:53650"
r = [1]
def r.respond_to?(*)
super
end
assert_equal [[42, 1]], [42].zip(r), bug8153
end
def test_zip_with_enumerator
bug17814 = "ruby-core:103513"
step = 0.step
e = Enumerator.produce { step.next }
a = %w(a b c)
assert_equal([["a", 0], ["b", 1], ["c", 2]], a.zip(e), bug17814)
assert_equal([["a", 3], ["b", 4], ["c", 5]], a.zip(e), bug17814)
assert_equal([["a", 6], ["b", 7], ["c", 8]], a.zip(e), bug17814)
end
def test_transpose
assert_equal([[1, :a], [2, :b], [3, :c]],
[[1, 2, 3], [:a, :b, :c]].transpose)
assert_raise(IndexError) { [[1, 2, 3], [:a, :b]].transpose }
end
def test_clear2
assert_equal([], ([0] * 1024).clear)
end
def test_fill2
assert_raise(ArgumentError) { [].fill(0, 1, LONGP) }
end
def test_times
assert_raise(ArgumentError) { [0, 0, 0, 0] * ((LONGP + 1) / 4) }
end
def test_equal
o = Object.new
def o.to_ary; end
def o.==(x); :foo; end
assert_equal([0, 1, 2], o)
assert_not_equal([0, 1, 2], [0, 1, 3])
end
def test_equal_resize
$test_equal_resize_a = Array.new(3, &:to_s)
$test_equal_resize_b = $test_equal_resize_a.dup
o = Object.new
def o.==(o)
$test_equal_resize_a.clear
$test_equal_resize_b.clear
true
end
$test_equal_resize_a[1] = o
assert_equal($test_equal_resize_a, $test_equal_resize_b)
end
def test_flatten_error
a = []
f = [].freeze
assert_raise(ArgumentError) { a.flatten!(1, 2) }
assert_raise(TypeError) { a.flatten!(:foo) }
assert_raise(ArgumentError) { f.flatten!(1, 2) }
assert_raise(FrozenError) { f.flatten! }
assert_raise(FrozenError) { f.flatten!(:foo) }
end
def test_shuffle
100.times do
assert_equal([0, 1, 2], [2, 1, 0].shuffle.sort)
end
gen = Random.new(0)
assert_raise(ArgumentError) {[1, 2, 3].shuffle(1, random: gen)}
srand(0)
100.times do
assert_equal([0, 1, 2].shuffle, [0, 1, 2].shuffle(random: gen))
end
assert_raise_with_message(ArgumentError, /unknown keyword/) do
[0, 1, 2].shuffle(xawqij: "a")
end
assert_raise_with_message(ArgumentError, /unknown keyword/) do
[0, 1, 2].shuffle!(xawqij: "a")
end
end
def test_shuffle_random
gen = proc do
10000000
end
class << gen
alias rand call
end
assert_raise(RangeError) {
[*0..2].shuffle(random: gen)
}
ary = (0...10000).to_a
gen = proc do
ary.replace([])
0.5
end
class << gen
alias rand call
end
assert_raise(RuntimeError) {ary.shuffle!(random: gen)}
zero = Object.new
def zero.to_int
0
end
gen_to_int = proc do |max|
zero
end
class << gen_to_int
alias rand call
end
ary = (0...10000).to_a
assert_equal(ary.rotate, ary.shuffle(random: gen_to_int))
assert_raise(NoMethodError) {
ary.shuffle(random: Object.new)
}
assert_raise(NoMethodError) {
ary.shuffle!(random: Object.new)
}
end
def test_sample
100.times do
assert_include([0, 1, 2], [2, 1, 0].sample)
samples = [2, 1, 0].sample(2)
samples.each{|sample|
assert_include([0, 1, 2], sample)
}
end
srand(0)
a = (1..18).to_a
(0..20).each do |n|
100.times do
b = a.sample(n)
assert_equal([n, 18].min, b.size)
assert_equal(a, (a | b).sort)
assert_equal(b.sort, (a & b).sort)
end
h = Hash.new(0)
1000.times do
a.sample(n).each {|x| h[x] += 1 }
end
assert_operator(h.values.min * 2, :>=, h.values.max) if n != 0
end
assert_raise(ArgumentError, '[ruby-core:23374]') {[1, 2].sample(-1)}
gen = Random.new(0)
srand(0)
a = (1..18).to_a
(0..20).each do |n|
100.times do |i|
assert_equal(a.sample(n), a.sample(n, random: gen), "#{i}/#{n}")
end
end
assert_raise_with_message(ArgumentError, /unknown keyword/) do
[0, 1, 2].sample(xawqij: "a")
end
end
def test_sample_random
ary = (0...10000).to_a
assert_raise(ArgumentError) {ary.sample(1, 2, random: nil)}
gen0 = proc do |max|
max/2
end
class << gen0
alias rand call
end
gen1 = proc do |max|
ary.replace([])
max/2
end
class << gen1
alias rand call
end
assert_equal(5000, ary.sample(random: gen0))
assert_nil(ary.sample(random: gen1))
assert_equal([], ary)
ary = (0...10000).to_a
assert_equal([5000], ary.sample(1, random: gen0))
assert_equal([], ary.sample(1, random: gen1))
assert_equal([], ary)
ary = (0...10000).to_a
assert_equal([5000, 4999], ary.sample(2, random: gen0))
assert_equal([], ary.sample(2, random: gen1))
assert_equal([], ary)
ary = (0...10000).to_a
assert_equal([5000, 4999, 5001], ary.sample(3, random: gen0))
assert_equal([], ary.sample(3, random: gen1))
assert_equal([], ary)
ary = (0...10000).to_a
assert_equal([5000, 4999, 5001, 4998], ary.sample(4, random: gen0))
assert_equal([], ary.sample(4, random: gen1))
assert_equal([], ary)
ary = (0...10000).to_a
assert_equal([5000, 4999, 5001, 4998, 5002, 4997, 5003, 4996, 5004, 4995], ary.sample(10, random: gen0))
assert_equal([], ary.sample(10, random: gen1))
assert_equal([], ary)
ary = (0...10000).to_a
assert_equal([5000, 0, 5001, 2, 5002, 4, 5003, 6, 5004, 8, 5005], ary.sample(11, random: gen0))
ary.sample(11, random: gen1) # implementation detail, may change in the future
assert_equal([], ary)
half = Object.new
def half.to_int
5000
end
gen_to_int = proc do |max|
half
end
class << gen_to_int
alias rand call
end
ary = (0...10000).to_a
assert_equal(5000, ary.sample(random: gen_to_int))
assert_raise(NoMethodError) {
ary.sample(random: Object.new)
}
end
def test_cycle
a = []
[0, 1, 2].cycle do |i|
a << i
break if a.size == 10
end
assert_equal([0, 1, 2, 0, 1, 2, 0, 1, 2, 0], a)
a = [0, 1, 2]
assert_nil(a.cycle { a.clear })
a = []
[0, 1, 2].cycle(3) {|i| a << i }
assert_equal([0, 1, 2, 0, 1, 2, 0, 1, 2], a)
assert_equal(Float::INFINITY, a.cycle.size)
assert_equal(27, a.cycle(3).size)
end
def test_reverse_each2
a = [0, 1, 2, 3, 4, 5]
r = []
a.reverse_each do |x|
r << x
a.pop
a.pop
end
assert_equal([5, 3, 1], r)
end
def test_combination2
assert_equal(:called, (0..100).to_a.combination(50) { break :called }, "[ruby-core:29240] ... must be yielded even if 100C50 > signed integer")
end
def test_combination_clear
bug9939 = '[ruby-core:63149] [Bug #9939]'
assert_nothing_raised(bug9939) {
a = [*0..100]
a.combination(3) {|*,x| a.clear}
}
bug13052 = '[ruby-core:78738] [Bug #13052] Array#combination segfaults if the Array is modified during iteration'
assert_nothing_raised(bug13052) {
a = [*0..100]
a.combination(1) { a.clear }
a = [*0..100]
a.repeated_combination(1) { a.clear }
}
end
def test_product2
a = (0..100).to_a
assert_raise(RangeError) do
a.product(a, a, a, a, a, a, a, a, a, a)
end
assert_nothing_raised(RangeError) do
a.product(a, a, a, a, a, a, a, a, a, a) { break }
end
end
def test_initialize2
a = [1] * 1000
a.instance_eval { initialize }
assert_equal([], a)
end
def test_shift_shared_ary
a = (1..100).to_a
b = []
b.replace(a)
assert_equal((1..10).to_a, a.shift(10))
assert_equal((11..100).to_a, a)
a = (1..30).to_a
assert_equal((1..3).to_a, a.shift(3))
# occupied
assert_equal((4..6).to_a, a.shift(3))
end
def test_replace_shared_ary
a = [1] * 100
b = []
b.replace(a)
a.replace([1, 2, 3])
assert_equal([1, 2, 3], a)
assert_equal([1] * 100, b)
end
def test_fill_negative_length
a = (1..10).to_a
a.fill(:foo, 5, -3)
assert_equal((1..10).to_a, a)
end
def test_slice_frozen_array
a = [1,2,3,4,5].freeze
assert_equal([1,2,3,4], a[0,4])
assert_equal([2,3,4,5], a[1,4])
end
def test_sort_by!
a = [1,3,5,2,4]
a.sort_by! {|x| -x }
assert_equal([5,4,3,2,1], a)
end
def test_rotate
a = [1,2,3,4,5].freeze
assert_equal([2,3,4,5,1], a.rotate)
assert_equal([5,1,2,3,4], a.rotate(-1))
assert_equal([3,4,5,1,2], a.rotate(2))
assert_equal([4,5,1,2,3], a.rotate(-2))
assert_equal([4,5,1,2,3], a.rotate(13))
assert_equal([3,4,5,1,2], a.rotate(-13))
a = [1].freeze
assert_equal([1], a.rotate)
assert_equal([1], a.rotate(2))
assert_equal([1], a.rotate(-4))
assert_equal([1], a.rotate(13))
assert_equal([1], a.rotate(-13))
a = [].freeze
assert_equal([], a.rotate)
assert_equal([], a.rotate(2))
assert_equal([], a.rotate(-4))
assert_equal([], a.rotate(13))
assert_equal([], a.rotate(-13))
a = [1,2,3]
assert_raise(ArgumentError) { a.rotate(1, 1) }
assert_equal([1,2,3,4,5].rotate(2**31-1), [1,2,3,4,5].rotate(2**31-0.1))
assert_equal([1,2,3,4,5].rotate(-2**31), [1,2,3,4,5].rotate(-2**31-0.9))
end
def test_rotate!
a = [1,2,3,4,5]
assert_equal([2,3,4,5,1], a.rotate!)
assert_equal([2,3,4,5,1], a)
assert_equal([4,5,1,2,3], a.rotate!(2))
assert_equal([5,1,2,3,4], a.rotate!(-4))
assert_equal([3,4,5,1,2], a.rotate!(13))
assert_equal([5,1,2,3,4], a.rotate!(-13))
a = [1]
assert_equal([1], a.rotate!)
assert_equal([1], a.rotate!(2))
assert_equal([1], a.rotate!(-4))
assert_equal([1], a.rotate!(13))
assert_equal([1], a.rotate!(-13))
a = []
assert_equal([], a.rotate!)
assert_equal([], a.rotate!(2))
assert_equal([], a.rotate!(-4))
assert_equal([], a.rotate!(13))
assert_equal([], a.rotate!(-13))
a = [].freeze
assert_raise_with_message(FrozenError, /can\'t modify frozen/) {a.rotate!}
a = [1,2,3]
assert_raise(ArgumentError) { a.rotate!(1, 1) }
end
def test_bsearch_typechecks_return_values
assert_raise(TypeError) do
[1, 2, 42, 100, 666].bsearch{ "not ok" }
end
c = eval("class C\u{309a 26a1 26c4 1f300};self;end")
assert_raise_with_message(TypeError, /C\u{309a 26a1 26c4 1f300}/) do
[0,1].bsearch {c.new}
end
assert_equal [1, 2, 42, 100, 666].bsearch{}, [1, 2, 42, 100, 666].bsearch{false}
end
def test_bsearch_with_no_block
enum = [1, 2, 42, 100, 666].bsearch
assert_nil enum.size
assert_equal 42, enum.each{|x| x >= 33 }
end
def test_bsearch_in_find_minimum_mode
a = [0, 4, 7, 10, 12]
assert_equal(4, a.bsearch {|x| x >= 4 })
assert_equal(7, a.bsearch {|x| x >= 6 })
assert_equal(0, a.bsearch {|x| x >= -1 })
assert_equal(nil, a.bsearch {|x| x >= 100 })
end
def test_bsearch_in_find_any_mode
a = [0, 4, 7, 10, 12]
assert_include([4, 7], a.bsearch {|x| 1 - x / 4 })
assert_equal(nil, a.bsearch {|x| 4 - x / 2 })
assert_equal(nil, a.bsearch {|x| 1 })
assert_equal(nil, a.bsearch {|x| -1 })
assert_include([4, 7], a.bsearch {|x| (1 - x / 4) * (2**100) })
assert_equal(nil, a.bsearch {|x| 1 * (2**100) })
assert_equal(nil, a.bsearch {|x| (-1) * (2**100) })
assert_include([4, 7], a.bsearch {|x| (2**100).coerce((1 - x / 4) * (2**100)).first })
end
def test_bsearch_index_typechecks_return_values
assert_raise(TypeError) do
[1, 2, 42, 100, 666].bsearch_index {"not ok"}
end
assert_equal [1, 2, 42, 100, 666].bsearch_index {}, [1, 2, 42, 100, 666].bsearch_index {false}
end
def test_bsearch_index_with_no_block
enum = [1, 2, 42, 100, 666].bsearch_index
assert_nil enum.size
assert_equal 2, enum.each{|x| x >= 33 }
end
def test_bsearch_index_in_find_minimum_mode
a = [0, 4, 7, 10, 12]
assert_equal(1, a.bsearch_index {|x| x >= 4 })
assert_equal(2, a.bsearch_index {|x| x >= 6 })
assert_equal(0, a.bsearch_index {|x| x >= -1 })
assert_equal(nil, a.bsearch_index {|x| x >= 100 })
end
def test_bsearch_index_in_find_any_mode
a = [0, 4, 7, 10, 12]
assert_include([1, 2], a.bsearch_index {|x| 1 - x / 4 })
assert_equal(nil, a.bsearch_index {|x| 4 - x / 2 })
assert_equal(nil, a.bsearch_index {|x| 1 })
assert_equal(nil, a.bsearch_index {|x| -1 })
assert_include([1, 2], a.bsearch_index {|x| (1 - x / 4) * (2**100) })
assert_equal(nil, a.bsearch_index {|x| 1 * (2**100) })
assert_equal(nil, a.bsearch_index {|x| (-1) * (2**100) })
assert_include([1, 2], a.bsearch_index {|x| (2**100).coerce((1 - x / 4) * (2**100)).first })
end
def test_shared_marking
reduce = proc do |s|
s.gsub(/(verify_internal_consistency_reachable_i:\sWB\smiss\s\S+\s\(T_ARRAY\)\s->\s)\S+\s\((proc|T_NONE)\)\n
\K(?:\1\S+\s\(\2\)\n)*/x) do
"...(snip #{$&.count("\n")} lines)...\n"
end
end
begin
assert_normal_exit(<<-EOS, '[Bug #9718]', timeout: 5, stdout_filter: reduce)
queue = []
50.times do
10_000.times do
queue << lambda{}
end
GC.start(full_mark: false, immediate_sweep: true)
GC.verify_internal_consistency
queue.shift.call
end
EOS
rescue Timeout::Error => e
skip e.message
end
end
sizeof_long = [0].pack("l!").size
sizeof_voidp = [""].pack("p").size
if sizeof_long < sizeof_voidp
ARY_MAX = (1<<(8*sizeof_long-1)) / sizeof_voidp - 1
Bug11235 = '[ruby-dev:49043] [Bug #11235]'
def test_push_over_ary_max
assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 120)
begin;
a = Array.new(ARGV[0].to_i)
assert_raise(IndexError, ARGV[1]) {0x1000.times {a.push(1)}}
end;
end
def test_unshift_over_ary_max
assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
a = Array.new(ARGV[0].to_i)
assert_raise(IndexError, ARGV[1]) {0x1000.times {a.unshift(1)}}
end;
end
def test_splice_over_ary_max
assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
a = Array.new(ARGV[0].to_i)
assert_raise(IndexError, ARGV[1]) {a[0, 0] = Array.new(0x1000)}
end;
end
end
def test_dig
h = @cls[@cls[{a: 1}], 0]
assert_equal(1, h.dig(0, 0, :a))
assert_nil(h.dig(2, 0))
assert_raise(TypeError) {h.dig(1, 0)}
end
FIXNUM_MIN = RbConfig::LIMITS['FIXNUM_MIN']
FIXNUM_MAX = RbConfig::LIMITS['FIXNUM_MAX']
def assert_typed_equal(e, v, cls, msg=nil)
assert_kind_of(cls, v, msg)
assert_equal(e, v, msg)
end
def assert_int_equal(e, v, msg=nil)
assert_typed_equal(e, v, Integer, msg)
end
def assert_rational_equal(e, v, msg=nil)
assert_typed_equal(e, v, Rational, msg)
end
def assert_float_equal(e, v, msg=nil)
assert_typed_equal(e, v, Float, msg)
end
def assert_complex_equal(e, v, msg=nil)
assert_typed_equal(e, v, Complex, msg)
end
def test_sum
assert_int_equal(0, [].sum)
assert_int_equal(3, [3].sum)
assert_int_equal(8, [3, 5].sum)
assert_int_equal(15, [3, 5, 7].sum)
assert_rational_equal(8r, [3, 5r].sum)
assert_float_equal(15.0, [3, 5, 7.0].sum)
assert_float_equal(15.0, [3, 5r, 7.0].sum)
assert_complex_equal(8r + 1i, [3, 5r, 1i].sum)
assert_complex_equal(15.0 + 1i, [3, 5r, 7.0, 1i].sum)
assert_int_equal(2*FIXNUM_MAX, Array.new(2, FIXNUM_MAX).sum)
assert_int_equal(2*(FIXNUM_MAX+1), Array.new(2, FIXNUM_MAX+1).sum)
assert_int_equal(10*FIXNUM_MAX, Array.new(10, FIXNUM_MAX).sum)
assert_int_equal(0, ([FIXNUM_MAX, 1, -FIXNUM_MAX, -1]*10).sum)
assert_int_equal(FIXNUM_MAX*10, ([FIXNUM_MAX+1, -1]*10).sum)
assert_int_equal(2*FIXNUM_MIN, Array.new(2, FIXNUM_MIN).sum)
assert_float_equal(0.0, [].sum(0.0))
assert_float_equal(3.0, [3].sum(0.0))
assert_float_equal(3.5, [3].sum(0.5))
assert_float_equal(8.5, [3.5, 5].sum)
assert_float_equal(10.5, [2, 8.5].sum)
assert_float_equal((FIXNUM_MAX+1).to_f, [FIXNUM_MAX, 1, 0.0].sum)
assert_float_equal((FIXNUM_MAX+1).to_f, [0.0, FIXNUM_MAX+1].sum)
assert_rational_equal(3/2r, [1/2r, 1].sum)
assert_rational_equal(5/6r, [1/2r, 1/3r].sum)
assert_equal(2.0+3.0i, [2.0, 3.0i].sum)
assert_int_equal(13, [1, 2].sum(10))
assert_int_equal(16, [1, 2].sum(10) {|v| v * 2 })
yielded = []
three = SimpleDelegator.new(3)
ary = [1, 2.0, three]
assert_float_equal(12.0, ary.sum {|x| yielded << x; x * 2 })
assert_equal(ary, yielded)
assert_raise(TypeError) { [Object.new].sum }
large_number = 100000000
small_number = 1e-9
until (large_number + small_number) == large_number
small_number /= 10
end
assert_float_equal(large_number+(small_number*10), [large_number, *[small_number]*10].sum)
assert_float_equal(large_number+(small_number*10), [large_number/1r, *[small_number]*10].sum)
assert_float_equal(large_number+(small_number*11), [small_number, large_number/1r, *[small_number]*10].sum)
assert_float_equal(small_number, [large_number, small_number, -large_number].sum)
assert_equal(+Float::INFINITY, [+Float::INFINITY].sum)
assert_equal(+Float::INFINITY, [0.0, +Float::INFINITY].sum)
assert_equal(+Float::INFINITY, [+Float::INFINITY, 0.0].sum)
assert_equal(-Float::INFINITY, [-Float::INFINITY].sum)
assert_equal(-Float::INFINITY, [0.0, -Float::INFINITY].sum)
assert_equal(-Float::INFINITY, [-Float::INFINITY, 0.0].sum)
assert_predicate([-Float::INFINITY, Float::INFINITY].sum, :nan?)
assert_equal("abc", ["a", "b", "c"].sum(""))
assert_equal([1, [2], 3], [[1], [[2]], [3]].sum([]))
assert_raise(TypeError) {[0].sum("")}
assert_raise(TypeError) {[1].sum("")}
end
def test_big_array_literal_with_kwsplat
lit = "["
10000.times { lit << "{}," }
lit << "**{}]"
assert_equal(10000, eval(lit).size)
end
private
def need_continuation
unless respond_to?(:callcc, true)
EnvUtil.suppress_warning {require 'continuation'}
end
end
end
class TestArraySubclass < TestArray
def setup
@verbose = $VERBOSE
@cls = Class.new(Array)
end
def test_to_a
a = @cls[ 1, 2, 3 ]
a_id = a.__id__
assert_equal_instance([1, 2, 3], a.to_a)
assert_not_equal(a_id, a.to_a.__id__)
end
def test_array_subclass
assert_equal(Array, @cls[1,2,3].uniq.class, "[ruby-dev:34581]")
assert_equal(Array, @cls[1,2][0,1].class) # embedded
assert_equal(Array, @cls[*(1..100)][1..99].class) #not embedded
end
end
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