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ruby--ruby/test/ruby/test_hash.rb
Jeremy Evans ffd0820ab3 Deprecate taint/trust and related methods, and make the methods no-ops
This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.
2019-11-18 01:00:25 +02:00

1743 lines
40 KiB
Ruby

# -*- coding: us-ascii -*-
# frozen_string_literal: false
require 'test/unit'
EnvUtil.suppress_warning {require 'continuation'}
class TestHash < Test::Unit::TestCase
def test_hash
x = @cls[1=>2, 2=>4, 3=>6]
y = @cls[1=>2, 2=>4, 3=>6] # y = {1, 2, 2, 4, 3, 6} # 1.9 doesn't support
assert_equal(2, x[1])
assert(begin
for k,v in y
raise if k*2 != v
end
true
rescue
false
end)
assert_equal(3, x.length)
assert_send([x, :has_key?, 1])
assert_send([x, :has_value?, 4])
assert_equal([4,6], x.values_at(2,3))
assert_equal({1=>2, 2=>4, 3=>6}, x)
z = y.keys.join(":")
assert_equal("1:2:3", z)
z = y.values.join(":")
assert_equal("2:4:6", z)
assert_equal(x, y)
y.shift
assert_equal(2, y.length)
z = [1,2]
y[z] = 256
assert_equal(256, y[z])
x = Hash.new(0)
x[1] = 1
assert_equal(1, x[1])
assert_equal(0, x[2])
x = Hash.new([])
assert_equal([], x[22])
assert_same(x[22], x[22])
x = Hash.new{[]}
assert_equal([], x[22])
assert_not_same(x[22], x[22])
x = Hash.new{|h,kk| z = kk; h[kk] = kk*2}
z = 0
assert_equal(44, x[22])
assert_equal(22, z)
z = 0
assert_equal(44, x[22])
assert_equal(0, z)
x.default = 5
assert_equal(5, x[23])
x = Hash.new
def x.default(k)
$z = k
self[k] = k*2
end
$z = 0
assert_equal(44, x[22])
assert_equal(22, $z)
$z = 0
assert_equal(44, x[22])
assert_equal(0, $z)
end
# From rubicon
def setup
@cls ||= Hash
@h = @cls[
1 => 'one', 2 => 'two', 3 => 'three',
self => 'self', true => 'true', nil => 'nil',
'nil' => nil
]
@verbose = $VERBOSE
$VERBOSE = nil
end
def teardown
$VERBOSE = @verbose
end
def test_bad_initialize_copy
h = Class.new(Hash) {
def initialize_copy(h)
super(Object.new)
end
}.new
assert_raise(TypeError) { h.dup }
end
def test_clear_initialize_copy
h = @cls[1=>2]
h.instance_eval {initialize_copy({})}
assert_empty(h)
end
def test_self_initialize_copy
h = @cls[1=>2]
h.instance_eval {initialize_copy(h)}
assert_equal(2, h[1])
end
def test_dup_will_rehash
set1 = @cls[]
set2 = @cls[set1 => true]
set1[set1] = true
assert_equal set2, set2.dup
end
def test_s_AREF
h = @cls["a" => 100, "b" => 200]
assert_equal(100, h['a'])
assert_equal(200, h['b'])
assert_nil(h['c'])
h = @cls.[]("a" => 100, "b" => 200)
assert_equal(100, h['a'])
assert_equal(200, h['b'])
assert_nil(h['c'])
h = @cls["a", 100, "b", 200]
assert_equal(100, h['a'])
assert_equal(200, h['b'])
assert_nil(h['c'])
h = @cls[[["a", 100], ["b", 200]]]
assert_equal(100, h['a'])
assert_equal(200, h['b'])
assert_nil(h['c'])
h = @cls[[["a", 100], ["b"], ["c", 300]]]
assert_equal(100, h['a'])
assert_equal(nil, h['b'])
assert_equal(300, h['c'])
assert_raise(ArgumentError) do
@cls[[["a", 100], "b", ["c", 300]]]
end
end
def test_s_AREF_duplicated_key
alist = [["a", 100], ["b", 200], ["a", 300], ["a", 400]]
h = @cls[alist]
assert_equal(2, h.size)
assert_equal(400, h['a'])
assert_equal(200, h['b'])
assert_nil(h['c'])
assert_equal(nil, h.key('300'))
end
def test_s_AREF_frozen_key_id
key = "a".freeze
h = @cls[key, 100]
assert_equal(100, h['a'])
assert_same(key, *h.keys)
end
def test_s_AREF_key_tampering
key = "a".dup
h = @cls[key, 100]
key.upcase!
assert_equal(100, h['a'])
end
def test_s_new
h = @cls.new
assert_instance_of(@cls, h)
assert_nil(h.default)
assert_nil(h['spurious'])
h = @cls.new('default')
assert_instance_of(@cls, h)
assert_equal('default', h.default)
assert_equal('default', h['spurious'])
end
def test_try_convert
assert_equal({1=>2}, Hash.try_convert({1=>2}))
assert_equal(nil, Hash.try_convert("1=>2"))
o = Object.new
def o.to_hash; {3=>4} end
assert_equal({3=>4}, Hash.try_convert(o))
end
def test_AREF # '[]'
t = Time.now
h = @cls[
1 => 'one', 2 => 'two', 3 => 'three',
self => 'self', t => 'time', nil => 'nil',
'nil' => nil
]
assert_equal('one', h[1])
assert_equal('two', h[2])
assert_equal('three', h[3])
assert_equal('self', h[self])
assert_equal('time', h[t])
assert_equal('nil', h[nil])
assert_equal(nil, h['nil'])
assert_equal(nil, h['koala'])
h1 = h.dup
h1.default = :default
assert_equal('one', h1[1])
assert_equal('two', h1[2])
assert_equal('three', h1[3])
assert_equal('self', h1[self])
assert_equal('time', h1[t])
assert_equal('nil', h1[nil])
assert_equal(nil, h1['nil'])
assert_equal(:default, h1['koala'])
end
def test_ASET # '[]='
t = Time.now
h = @cls.new
h[1] = 'one'
h[2] = 'two'
h[3] = 'three'
h[self] = 'self'
h[t] = 'time'
h[nil] = 'nil'
h['nil'] = nil
assert_equal('one', h[1])
assert_equal('two', h[2])
assert_equal('three', h[3])
assert_equal('self', h[self])
assert_equal('time', h[t])
assert_equal('nil', h[nil])
assert_equal(nil, h['nil'])
assert_equal(nil, h['koala'])
h[1] = 1
h[nil] = 99
h['nil'] = nil
z = [1,2]
h[z] = 256
assert_equal(1, h[1])
assert_equal('two', h[2])
assert_equal('three', h[3])
assert_equal('self', h[self])
assert_equal('time', h[t])
assert_equal(99, h[nil])
assert_equal(nil, h['nil'])
assert_equal(nil, h['koala'])
assert_equal(256, h[z])
end
def test_AREF_fstring_key
h = {"abc" => 1}
before = GC.stat(:total_allocated_objects)
5.times{ h["abc"] }
assert_equal before, GC.stat(:total_allocated_objects)
end
def test_ASET_fstring_key
a, b = {}, {}
assert_equal 1, a["abc"] = 1
assert_equal 1, b["abc"] = 1
assert_same a.keys[0], b.keys[0]
end
def test_ASET_fstring_non_literal_key
underscore = "_"
non_literal_strings = Proc.new{ ["abc#{underscore}def", "abc" * 5, "abc" + "def", "" << "ghi" << "jkl"] }
a, b = {}, {}
non_literal_strings.call.each do |string|
assert_equal 1, a[string] = 1
end
non_literal_strings.call.each do |string|
assert_equal 1, b[string] = 1
end
[a.keys, b.keys].transpose.each do |key_a, key_b|
assert_same key_a, key_b
end
end
def test_hash_aset_fstring_identity
h = {}.compare_by_identity
h['abc'] = 1
h['abc'] = 2
assert_equal 2, h.size, '[ruby-core:78783] [Bug #12855]'
end
def test_hash_aref_fstring_identity
h = {}.compare_by_identity
h['abc'] = 1
assert_nil h['abc'], '[ruby-core:78783] [Bug #12855]'
end
def test_NEWHASH_fstring_key
a = {"ABC" => :t}
b = {"ABC" => :t}
assert_same a.keys[0], b.keys[0]
assert_same "ABC".freeze, a.keys[0]
var = +'ABC'
c = { var => :t }
assert_same "ABC".freeze, c.keys[0]
end
def test_EQUAL # '=='
h1 = @cls[ "a" => 1, "c" => 2 ]
h2 = @cls[ "a" => 1, "c" => 2, 7 => 35 ]
h3 = @cls[ "a" => 1, "c" => 2, 7 => 35 ]
h4 = @cls[ ]
assert_equal(h1, h1)
assert_equal(h2, h2)
assert_equal(h3, h3)
assert_equal(h4, h4)
assert_not_equal(h1, h2)
assert_equal(h2, h3)
assert_not_equal(h3, h4)
end
def test_clear
assert_operator(@h.size, :>, 0)
@h.clear
assert_equal(0, @h.size)
assert_nil(@h[1])
end
def test_clone
for frozen in [ false, true ]
a = @h.clone
a.freeze if frozen
b = a.clone
assert_equal(a, b)
assert_not_same(a, b)
assert_equal(a.frozen?, b.frozen?)
end
end
def test_default
assert_nil(@h.default)
h = @cls.new(:xyzzy)
assert_equal(:xyzzy, h.default)
end
def test_default=
assert_nil(@h.default)
@h.default = :xyzzy
assert_equal(:xyzzy, @h.default)
end
def test_delete
h1 = @cls[ 1 => 'one', 2 => 'two', true => 'true' ]
h2 = @cls[ 1 => 'one', 2 => 'two' ]
h3 = @cls[ 2 => 'two' ]
assert_equal('true', h1.delete(true))
assert_equal(h2, h1)
assert_equal('one', h1.delete(1))
assert_equal(h3, h1)
assert_equal('two', h1.delete(2))
assert_equal(@cls[], h1)
assert_nil(h1.delete(99))
assert_equal(@cls[], h1)
assert_equal('default 99', h1.delete(99) {|i| "default #{i}" })
end
def test_delete_if
base = @cls[ 1 => 'one', 2 => false, true => 'true', 'cat' => 99 ]
h1 = @cls[ 1 => 'one', 2 => false, true => 'true' ]
h2 = @cls[ 2 => false, 'cat' => 99 ]
h3 = @cls[ 2 => false ]
h = base.dup
assert_equal(h, h.delete_if { false })
assert_equal(@cls[], h.delete_if { true })
h = base.dup
assert_equal(h1, h.delete_if {|k,v| k.instance_of?(String) })
assert_equal(h1, h)
h = base.dup
assert_equal(h2, h.delete_if {|k,v| v.instance_of?(String) })
assert_equal(h2, h)
h = base.dup
assert_equal(h3, h.delete_if {|k,v| v })
assert_equal(h3, h)
h = base.dup
n = 0
h.delete_if {|*a|
n += 1
assert_equal(2, a.size)
assert_equal(base[a[0]], a[1])
h.shift
true
}
assert_equal(base.size, n)
end
def test_keep_if
h = @cls[1=>2,3=>4,5=>6]
assert_equal({3=>4,5=>6}, h.keep_if {|k, v| k + v >= 7 })
h = @cls[1=>2,3=>4,5=>6]
assert_equal({1=>2,3=>4,5=>6}, h.keep_if{true})
end
def test_compact
h = @cls[a: 1, b: nil, c: false, d: true, e: nil]
assert_equal({a: 1, c: false, d: true}, h.compact)
assert_equal({a: 1, b: nil, c: false, d: true, e: nil}, h)
assert_same(h, h.compact!)
assert_equal({a: 1, c: false, d: true}, h)
assert_nil(h.compact!)
end
def test_dup
for frozen in [ false, true ]
a = @h.dup
a.freeze if frozen
b = a.dup
assert_equal(a, b)
assert_not_same(a, b)
assert_equal(false, b.frozen?)
end
end
def test_dup_equality
h = @cls['k' => 'v']
assert_equal(h, h.dup)
h1 = @cls[h => 1]
assert_equal(h1, h1.dup)
h[1] = 2
assert_equal(h1, h1.dup)
end
def test_each
count = 0
@cls[].each { |k, v| count + 1 }
assert_equal(0, count)
h = @h
h.each do |k, v|
assert_equal(v, h.delete(k))
end
assert_equal(@cls[], h)
h = @cls[]
h[1] = 1
h[2] = 2
assert_equal([[1,1],[2,2]], h.each.to_a)
end
def test_each_key
count = 0
@cls[].each_key { |k| count + 1 }
assert_equal(0, count)
h = @h
h.each_key do |k|
h.delete(k)
end
assert_equal(@cls[], h)
end
def test_each_pair
count = 0
@cls[].each_pair { |k, v| count + 1 }
assert_equal(0, count)
h = @h
h.each_pair do |k, v|
assert_equal(v, h.delete(k))
end
assert_equal(@cls[], h)
end
def test_each_value
res = []
@cls[].each_value { |v| res << v }
assert_equal(0, [].length)
@h.each_value { |v| res << v }
assert_equal(0, [].length)
expected = []
@h.each { |k, v| expected << v }
assert_equal([], expected - res)
assert_equal([], res - expected)
end
def test_empty?
assert_empty(@cls[])
assert_not_empty(@h)
end
def test_fetch
assert_equal('gumbygumby', @h.fetch('gumby') {|k| k * 2 })
assert_equal('pokey', @h.fetch('gumby', 'pokey'))
assert_equal('one', @h.fetch(1))
assert_equal(nil, @h.fetch('nil'))
assert_equal('nil', @h.fetch(nil))
end
def test_fetch_error
assert_raise(KeyError) { @cls[].fetch(1) }
assert_raise(KeyError) { @h.fetch('gumby') }
e = assert_raise(KeyError) { @h.fetch('gumby'*20) }
assert_match(/key not found: "gumbygumby/, e.message)
assert_match(/\.\.\.\z/, e.message)
assert_same(@h, e.receiver)
assert_equal('gumby'*20, e.key)
end
def test_key2?
assert_not_send([@cls[], :key?, 1])
assert_not_send([@cls[], :key?, nil])
assert_send([@h, :key?, nil])
assert_send([@h, :key?, 1])
assert_not_send([@h, :key?, 'gumby'])
end
def test_value?
assert_not_send([@cls[], :value?, 1])
assert_not_send([@cls[], :value?, nil])
assert_send([@h, :value?, 'one'])
assert_send([@h, :value?, nil])
assert_not_send([@h, :value?, 'gumby'])
end
def test_include?
assert_not_send([@cls[], :include?, 1])
assert_not_send([@cls[], :include?, nil])
assert_send([@h, :include?, nil])
assert_send([@h, :include?, 1])
assert_not_send([@h, :include?, 'gumby'])
end
def test_key
assert_equal(1, @h.key('one'))
assert_equal(nil, @h.key('nil'))
assert_equal('nil', @h.key(nil))
assert_equal(nil, @h.key('gumby'))
assert_equal(nil, @cls[].key('gumby'))
end
def test_values_at
res = @h.values_at('dog', 'cat', 'horse')
assert_equal(3, res.length)
assert_equal([nil, nil, nil], res)
res = @h.values_at
assert_equal(0, res.length)
res = @h.values_at(3, 2, 1, nil)
assert_equal 4, res.length
assert_equal %w( three two one nil ), res
res = @h.values_at(3, 99, 1, nil)
assert_equal 4, res.length
assert_equal ['three', nil, 'one', 'nil'], res
end
def test_fetch_values
res = @h.fetch_values
assert_equal(0, res.length)
res = @h.fetch_values(3, 2, 1, nil)
assert_equal(4, res.length)
assert_equal %w( three two one nil ), res
e = assert_raise KeyError do
@h.fetch_values(3, 'invalid')
end
assert_same(@h, e.receiver)
assert_equal('invalid', e.key)
res = @h.fetch_values(3, 'invalid') { |k| k.upcase }
assert_equal %w( three INVALID ), res
end
def test_invert
h = @h.invert
assert_equal(1, h['one'])
assert_equal(true, h['true'])
assert_equal(nil, h['nil'])
h.each do |k, v|
assert_send([@h, :key?, v]) # not true in general, but works here
end
h = @cls[ 'a' => 1, 'b' => 2, 'c' => 1].invert
assert_equal(2, h.length)
assert_include(%w[a c], h[1])
assert_equal('b', h[2])
end
def test_key?
assert_not_send([@cls[], :key?, 1])
assert_not_send([@cls[], :key?, nil])
assert_send([@h, :key?, nil])
assert_send([@h, :key?, 1])
assert_not_send([@h, :key?, 'gumby'])
end
def test_keys
assert_equal([], @cls[].keys)
keys = @h.keys
expected = []
@h.each { |k, v| expected << k }
assert_equal([], keys - expected)
assert_equal([], expected - keys)
end
def test_length
assert_equal(0, @cls[].length)
assert_equal(7, @h.length)
end
def test_member?
assert_not_send([@cls[], :member?, 1])
assert_not_send([@cls[], :member?, nil])
assert_send([@h, :member?, nil])
assert_send([@h, :member?, 1])
assert_not_send([@h, :member?, 'gumby'])
end
def hash_hint hv
hv & 0xff
end
def test_rehash
a = [ "a", "b" ]
c = [ "c", "d" ]
h = @cls[ a => 100, c => 300 ]
assert_equal(100, h[a])
hv = a.hash
begin
a[0] << "z"
end while hash_hint(a.hash) == hash_hint(hv)
assert_nil(h[a])
h.rehash
assert_equal(100, h[a])
end
def test_reject
assert_equal({3=>4,5=>6}, @cls[1=>2,3=>4,5=>6].reject {|k, v| k + v < 7 })
base = @cls[ 1 => 'one', 2 => false, true => 'true', 'cat' => 99 ]
h1 = @cls[ 1 => 'one', 2 => false, true => 'true' ]
h2 = @cls[ 2 => false, 'cat' => 99 ]
h3 = @cls[ 2 => false ]
h = base.dup
assert_equal(h, h.reject { false })
assert_equal(@cls[], h.reject { true })
h = base.dup
assert_equal(h1, h.reject {|k,v| k.instance_of?(String) })
assert_equal(h2, h.reject {|k,v| v.instance_of?(String) })
assert_equal(h3, h.reject {|k,v| v })
assert_equal(base, h)
h.instance_variable_set(:@foo, :foo)
h.default = 42
h = EnvUtil.suppress_warning {h.reject {false}}
assert_instance_of(Hash, h)
assert_nil(h.default)
assert_not_send([h, :instance_variable_defined?, :@foo])
end
def test_reject!
base = @cls[ 1 => 'one', 2 => false, true => 'true', 'cat' => 99 ]
h1 = @cls[ 1 => 'one', 2 => false, true => 'true' ]
h2 = @cls[ 2 => false, 'cat' => 99 ]
h3 = @cls[ 2 => false ]
h = base.dup
assert_equal(nil, h.reject! { false })
assert_equal(@cls[], h.reject! { true })
h = base.dup
assert_equal(h1, h.reject! {|k,v| k.instance_of?(String) })
assert_equal(h1, h)
h = base.dup
assert_equal(h2, h.reject! {|k,v| v.instance_of?(String) })
assert_equal(h2, h)
h = base.dup
assert_equal(h3, h.reject! {|k,v| v })
assert_equal(h3, h)
end
def test_replace
h = @cls[ 1 => 2, 3 => 4 ]
h1 = h.replace(@cls[ 9 => 8, 7 => 6 ])
assert_equal(h, h1)
assert_equal(8, h[9])
assert_equal(6, h[7])
assert_nil(h[1])
assert_nil(h[2])
end
def test_replace_bug9230
h = @cls[]
h.replace(@cls[])
assert_empty h
h = @cls[]
h.replace(@cls[].compare_by_identity)
assert_predicate(h, :compare_by_identity?)
end
def test_replace_bug15358
h1 = {}
h2 = {a:1,b:2,c:3,d:4,e:5}
h2.replace(h1)
GC.start
assert(true)
end
def test_shift
h = @h.dup
@h.length.times {
k, v = h.shift
assert_send([@h, :key?, k])
assert_equal(@h[k], v)
}
assert_equal(0, h.length)
end
def test_size
assert_equal(0, @cls[].length)
assert_equal(7, @h.length)
end
def test_sort
h = @cls[].sort
assert_equal([], h)
h = @cls[ 1 => 1, 2 => 1 ].sort
assert_equal([[1,1], [2,1]], h)
h = @cls[ 'cat' => 'feline', 'ass' => 'asinine', 'bee' => 'beeline' ]
h1 = h.sort
assert_equal([ %w(ass asinine), %w(bee beeline), %w(cat feline)], h1)
end
def test_store
t = Time.now
h = @cls.new
h.store(1, 'one')
h.store(2, 'two')
h.store(3, 'three')
h.store(self, 'self')
h.store(t, 'time')
h.store(nil, 'nil')
h.store('nil', nil)
assert_equal('one', h[1])
assert_equal('two', h[2])
assert_equal('three', h[3])
assert_equal('self', h[self])
assert_equal('time', h[t])
assert_equal('nil', h[nil])
assert_equal(nil, h['nil'])
assert_equal(nil, h['koala'])
h.store(1, 1)
h.store(nil, 99)
h.store('nil', nil)
assert_equal(1, h[1])
assert_equal('two', h[2])
assert_equal('three', h[3])
assert_equal('self', h[self])
assert_equal('time', h[t])
assert_equal(99, h[nil])
assert_equal(nil, h['nil'])
assert_equal(nil, h['koala'])
end
def test_to_a
assert_equal([], @cls[].to_a)
assert_equal([[1,2]], @cls[ 1=>2 ].to_a)
a = @cls[ 1=>2, 3=>4, 5=>6 ].to_a
assert_equal([1,2], a.delete([1,2]))
assert_equal([3,4], a.delete([3,4]))
assert_equal([5,6], a.delete([5,6]))
assert_equal(0, a.length)
end
def test_to_hash
h = @h.to_hash
assert_equal(@h, h)
assert_instance_of(@cls, h)
end
def test_to_h
h = @h.to_h
assert_equal(@h, h)
assert_instance_of(Hash, h)
end
def test_to_h_instance_variable
@h.instance_variable_set(:@x, 42)
h = @h.to_h
if @cls == Hash
assert_equal(42, h.instance_variable_get(:@x))
else
assert_not_send([h, :instance_variable_defined?, :@x])
end
end
def test_to_h_default_value
@h.default = :foo
h = @h.to_h
assert_equal(:foo, h.default)
end
def test_to_h_default_proc
@h.default_proc = ->(_,k) {"nope#{k}"}
h = @h.to_h
assert_equal("nope42", h[42])
end
def test_to_h_block
h = @h.to_h {|k, v| [k.to_s, v.to_s]}
assert_equal({
"1"=>"one", "2"=>"two", "3"=>"three", to_s=>"self",
"true"=>"true", ""=>"nil", "nil"=>""
},
h)
assert_instance_of(Hash, h)
end
def test_nil_to_h
h = nil.to_h
assert_equal({}, h)
assert_nil(h.default)
assert_nil(h.default_proc)
end
def test_to_s
h = @cls[ 1 => 2, "cat" => "dog", 1.5 => :fred ]
assert_equal(h.inspect, h.to_s)
$, = ":"
assert_equal(h.inspect, h.to_s)
h = @cls[]
assert_equal(h.inspect, h.to_s)
ensure
$, = nil
end
def test_update
h1 = @cls[ 1 => 2, 2 => 3, 3 => 4 ]
h2 = @cls[ 2 => 'two', 4 => 'four' ]
ha = @cls[ 1 => 2, 2 => 'two', 3 => 4, 4 => 'four' ]
hb = @cls[ 1 => 2, 2 => 3, 3 => 4, 4 => 'four' ]
assert_equal(ha, h1.update(h2))
assert_equal(ha, h1)
h1 = @cls[ 1 => 2, 2 => 3, 3 => 4 ]
h2 = @cls[ 2 => 'two', 4 => 'four' ]
assert_equal(hb, h2.update(h1))
assert_equal(hb, h2)
end
def test_value2?
assert_not_send([@cls[], :value?, 1])
assert_not_send([@cls[], :value?, nil])
assert_send([@h, :value?, nil])
assert_send([@h, :value?, 'one'])
assert_not_send([@h, :value?, 'gumby'])
end
def test_values
assert_equal([], @cls[].values)
vals = @h.values
expected = []
@h.each { |k, v| expected << v }
assert_equal([], vals - expected)
assert_equal([], expected - vals)
end
def test_initialize_wrong_arguments
assert_raise(ArgumentError) do
Hash.new(0) { }
end
end
def test_create
assert_equal({1=>2, 3=>4}, @cls[[[1,2],[3,4]]])
assert_raise(ArgumentError) { @cls[0, 1, 2] }
assert_raise(ArgumentError) { @cls[[[0, 1], 2]] }
bug5406 = '[ruby-core:39945]'
assert_raise(ArgumentError, bug5406) { @cls[[[1, 2], [3, 4, 5]]] }
assert_equal({1=>2, 3=>4}, @cls[1,2,3,4])
o = Object.new
def o.to_hash() {1=>2} end
assert_equal({1=>2}, @cls[o], "[ruby-dev:34555]")
end
def test_rehash2
h = @cls[1 => 2, 3 => 4]
assert_equal(h.dup, h.rehash)
assert_raise(RuntimeError) { h.each { h.rehash } }
assert_equal({}, @cls[].rehash)
end
def test_fetch2
assert_equal(:bar, @h.fetch(0, :foo) { :bar })
end
def test_default_proc
h = @cls.new {|hh, k| hh + k + "baz" }
assert_equal("foobarbaz", h.default_proc.call("foo", "bar"))
assert_nil(h.default_proc = nil)
assert_nil(h.default_proc)
h.default_proc = ->(_,_){ true }
assert_equal(true, h[:nope])
h = @cls[]
assert_nil(h.default_proc)
end
def test_shift2
h = @cls.new {|hh, k| :foo }
h[1] = 2
assert_equal([1, 2], h.shift)
assert_equal(:foo, h.shift)
assert_equal(:foo, h.shift)
h = @cls.new(:foo)
h[1] = 2
assert_equal([1, 2], h.shift)
assert_equal(:foo, h.shift)
assert_equal(:foo, h.shift)
h =@cls[1=>2]
h.each { assert_equal([1, 2], h.shift) }
end
def test_shift_none
h = @cls.new {|hh, k| "foo"}
def h.default(k = nil)
super.upcase
end
assert_equal("FOO", h.shift)
end
def test_reject_bang2
assert_equal({1=>2}, @cls[1=>2,3=>4].reject! {|k, v| k + v == 7 })
assert_nil(@cls[1=>2,3=>4].reject! {|k, v| k == 5 })
assert_nil(@cls[].reject! { })
end
def test_select
assert_equal({3=>4,5=>6}, @cls[1=>2,3=>4,5=>6].select {|k, v| k + v >= 7 })
base = @cls[ 1 => 'one', '2' => false, true => 'true', 'cat' => 99 ]
h1 = @cls[ '2' => false, 'cat' => 99 ]
h2 = @cls[ 1 => 'one', true => 'true' ]
h3 = @cls[ 1 => 'one', true => 'true', 'cat' => 99 ]
h = base.dup
assert_equal(h, h.select { true })
assert_equal(@cls[], h.select { false })
h = base.dup
assert_equal(h1, h.select {|k,v| k.instance_of?(String) })
assert_equal(h2, h.select {|k,v| v.instance_of?(String) })
assert_equal(h3, h.select {|k,v| v })
assert_equal(base, h)
h.instance_variable_set(:@foo, :foo)
h.default = 42
h = h.select {true}
assert_instance_of(Hash, h)
assert_nil(h.default)
assert_not_send([h, :instance_variable_defined?, :@foo])
end
def test_select!
h = @cls[1=>2,3=>4,5=>6]
assert_equal(h, h.select! {|k, v| k + v >= 7 })
assert_equal({3=>4,5=>6}, h)
h = @cls[1=>2,3=>4,5=>6]
assert_equal(nil, h.select!{true})
end
def test_slice
h = @cls[1=>2,3=>4,5=>6]
assert_equal({1=>2, 3=>4}, h.slice(1, 3))
assert_equal({}, h.slice(7))
assert_equal({}, h.slice)
assert_equal({}, {}.slice)
end
def test_filter
assert_equal({3=>4,5=>6}, @cls[1=>2,3=>4,5=>6].filter {|k, v| k + v >= 7 })
base = @cls[ 1 => 'one', '2' => false, true => 'true', 'cat' => 99 ]
h1 = @cls[ '2' => false, 'cat' => 99 ]
h2 = @cls[ 1 => 'one', true => 'true' ]
h3 = @cls[ 1 => 'one', true => 'true', 'cat' => 99 ]
h = base.dup
assert_equal(h, h.filter { true })
assert_equal(@cls[], h.filter { false })
h = base.dup
assert_equal(h1, h.filter {|k,v| k.instance_of?(String) })
assert_equal(h2, h.filter {|k,v| v.instance_of?(String) })
assert_equal(h3, h.filter {|k,v| v })
assert_equal(base, h)
h.instance_variable_set(:@foo, :foo)
h.default = 42
h = h.filter {true}
assert_instance_of(Hash, h)
assert_nil(h.default)
assert_not_send([h, :instance_variable_defined?, :@foo])
end
def test_filter!
h = @cls[1=>2,3=>4,5=>6]
assert_equal(h, h.filter! {|k, v| k + v >= 7 })
assert_equal({3=>4,5=>6}, h)
h = @cls[1=>2,3=>4,5=>6]
assert_equal(nil, h.filter!{true})
end
def test_clear2
assert_equal({}, @cls[1=>2,3=>4,5=>6].clear)
h = @cls[1=>2,3=>4,5=>6]
h.each { h.clear }
assert_equal({}, h)
end
def test_replace2
h1 = @cls.new { :foo }
h2 = @cls.new
h2.replace h1
assert_equal(:foo, h2[0])
assert_raise(ArgumentError) { h2.replace() }
assert_raise(TypeError) { h2.replace(1) }
h2.freeze
assert_raise(ArgumentError) { h2.replace() }
assert_raise(FrozenError) { h2.replace(h1) }
assert_raise(FrozenError) { h2.replace(42) }
end
def test_size2
assert_equal(0, @cls[].size)
end
def test_equal2
assert_not_equal(0, @cls[])
o = Object.new
o.instance_variable_set(:@cls, @cls)
def o.to_hash; @cls[]; end
def o.==(x); true; end
assert_equal({}, o)
def o.==(x); false; end
assert_not_equal({}, o)
h1 = @cls[1=>2]; h2 = @cls[3=>4]
assert_not_equal(h1, h2)
h1 = @cls[1=>2]; h2 = @cls[1=>4]
assert_not_equal(h1, h2)
end
def test_eql
assert_not_send([@cls[], :eql?, 0])
o = Object.new
o.instance_variable_set(:@cls, @cls)
def o.to_hash; @cls[]; end
def o.eql?(x); true; end
assert_send([@cls[], :eql?, o])
def o.eql?(x); false; end
assert_not_send([@cls[], :eql?, o])
end
def test_hash2
assert_kind_of(Integer, @cls[].hash)
h = @cls[1=>2]
h.shift
assert_equal({}.hash, h.hash, '[ruby-core:38650]')
bug9231 = '[ruby-core:58993] [Bug #9231]'
assert_not_equal(0, @cls[].hash, bug9231)
end
def test_update2
h1 = @cls[1=>2, 3=>4]
h2 = {1=>3, 5=>7}
h1.update(h2) {|k, v1, v2| k + v1 + v2 }
assert_equal({1=>6, 3=>4, 5=>7}, h1)
end
def test_update3
h1 = @cls[1=>2, 3=>4]
h1.update()
assert_equal({1=>2, 3=>4}, h1)
h2 = {1=>3, 5=>7}
h3 = {1=>1, 2=>4}
h1.update(h2, h3)
assert_equal({1=>1, 2=>4, 3=>4, 5=>7}, h1)
end
def test_update4
h1 = @cls[1=>2, 3=>4]
h1.update(){|k, v1, v2| k + v1 + v2 }
assert_equal({1=>2, 3=>4}, h1)
h2 = {1=>3, 5=>7}
h3 = {1=>1, 2=>4}
h1.update(h2, h3){|k, v1, v2| k + v1 + v2 }
assert_equal({1=>8, 2=>4, 3=>4, 5=>7}, h1)
end
def test_merge
h1 = @cls[1=>2, 3=>4]
h2 = {1=>3, 5=>7}
h3 = {1=>1, 2=>4}
assert_equal({1=>2, 3=>4}, h1.merge())
assert_equal({1=>3, 3=>4, 5=>7}, h1.merge(h2))
assert_equal({1=>6, 3=>4, 5=>7}, h1.merge(h2) {|k, v1, v2| k + v1 + v2 })
assert_equal({1=>1, 2=>4, 3=>4, 5=>7}, h1.merge(h2, h3))
assert_equal({1=>8, 2=>4, 3=>4, 5=>7}, h1.merge(h2, h3) {|k, v1, v2| k + v1 + v2 })
end
def test_assoc
assert_equal([3,4], @cls[1=>2, 3=>4, 5=>6].assoc(3))
assert_nil(@cls[1=>2, 3=>4, 5=>6].assoc(4))
assert_equal([1.0,1], @cls[1.0=>1].assoc(1))
end
def test_assoc_compare_by_identity
h = @cls[]
h.compare_by_identity
h["a"] = 1
h["a".dup] = 2
assert_equal(["a",1], h.assoc("a"))
end
def test_rassoc
assert_equal([3,4], @cls[1=>2, 3=>4, 5=>6].rassoc(4))
assert_nil({1=>2, 3=>4, 5=>6}.rassoc(3))
end
def test_flatten
assert_equal([[1], [2]], @cls[[1] => [2]].flatten)
a = @cls[1=> "one", 2 => [2,"two"], 3 => [3, ["three"]]]
assert_equal([1, "one", 2, [2, "two"], 3, [3, ["three"]]], a.flatten)
assert_equal([[1, "one"], [2, [2, "two"]], [3, [3, ["three"]]]], a.flatten(0))
assert_equal([1, "one", 2, [2, "two"], 3, [3, ["three"]]], a.flatten(1))
assert_equal([1, "one", 2, 2, "two", 3, 3, ["three"]], a.flatten(2))
assert_equal([1, "one", 2, 2, "two", 3, 3, "three"], a.flatten(3))
assert_equal([1, "one", 2, 2, "two", 3, 3, "three"], a.flatten(-1))
assert_raise(TypeError){ a.flatten(nil) }
end
def test_flatten_arity
a = @cls[1=> "one", 2 => [2,"two"], 3 => [3, ["three"]]]
assert_raise(ArgumentError){ a.flatten(1, 2) }
end
def test_callcc
h = @cls[1=>2]
c = nil
f = false
h.each { callcc {|c2| c = c2 } }
unless f
f = true
c.call
end
assert_raise(RuntimeError) { h.each { h.rehash } }
h = @cls[1=>2]
c = nil
assert_raise(RuntimeError) do
h.each { callcc {|c2| c = c2 } }
h.clear
c.call
end
end
def test_callcc_iter_level
bug9105 = '[ruby-dev:47803] [Bug #9105]'
h = @cls[1=>2, 3=>4]
c = nil
f = false
h.each {callcc {|c2| c = c2}}
unless f
f = true
c.call
end
assert_nothing_raised(RuntimeError, bug9105) do
h.each {|i, j|
h.delete(i);
assert_not_equal(false, i, bug9105)
}
end
end
def test_callcc_escape
bug9105 = '[ruby-dev:47803] [Bug #9105]'
assert_nothing_raised(RuntimeError, bug9105) do
h=@cls[]
cnt=0
c = callcc {|cc|cc}
h[cnt] = true
h.each{|i|
cnt+=1
c.call if cnt == 1
}
end
end
def test_callcc_reenter
bug9105 = '[ruby-dev:47803] [Bug #9105]'
assert_nothing_raised(RuntimeError, bug9105) do
h = @cls[1=>2,3=>4]
c = nil
f = false
h.each { |i|
callcc {|c2| c = c2 } unless c
h.delete(1) if f
}
unless f
f = true
c.call
end
end
end
def test_threaded_iter_level
bug9105 = '[ruby-dev:47807] [Bug #9105]'
h = @cls[1=>2]
2.times.map {
f = false
th = Thread.start {h.each {f = true; sleep}}
Thread.pass until f
Thread.pass until th.stop?
th
}.each {|th| th.run; th.join}
assert_nothing_raised(RuntimeError, bug9105) do
h[5] = 6
end
assert_equal(6, h[5], bug9105)
end
def test_compare_by_identity
a = "foo"
assert_not_predicate(@cls[], :compare_by_identity?)
h = @cls[a => "bar"]
assert_not_predicate(h, :compare_by_identity?)
h.compare_by_identity
assert_predicate(h, :compare_by_identity?)
#assert_equal("bar", h[a])
assert_nil(h["foo"])
bug8703 = '[ruby-core:56256] [Bug #8703] copied identhash'
h.clear
assert_predicate(h.dup, :compare_by_identity?, bug8703)
end
def test_same_key
bug9646 = '[ruby-dev:48047] [Bug #9646] Infinite loop at Hash#each'
h = @cls[a=[], 1]
a << 1
h[[]] = 2
a.clear
cnt = 0
r = h.each{ break nil if (cnt+=1) > 100 }
assert_not_nil(r,bug9646)
end
class ObjWithHash
def initialize(value, hash)
@value = value
@hash = hash
end
attr_reader :value, :hash
def eql?(other)
@value == other.value
end
end
def test_hash_hash
assert_equal({0=>2,11=>1}.hash, @cls[11=>1,0=>2].hash)
o1 = ObjWithHash.new(0,1)
o2 = ObjWithHash.new(11,1)
assert_equal({o1=>1,o2=>2}.hash, @cls[o2=>2,o1=>1].hash)
end
def test_hash_bignum_hash
x = 2<<(32-3)-1
assert_equal({x=>1}.hash, @cls[x=>1].hash)
x = 2<<(64-3)-1
assert_equal({x=>1}.hash, @cls[x=>1].hash)
o = Object.new
def o.hash; 2 << 100; end
assert_equal({o=>1}.hash, @cls[o=>1].hash)
end
def test_hash_popped
assert_nothing_raised { eval("a = 1; @cls[a => a]; a") }
end
def test_recursive_key
h = @cls[]
assert_nothing_raised { h[h] = :foo }
h.rehash
assert_equal(:foo, h[h])
end
def test_inverse_hash
feature4262 = '[ruby-core:34334]'
[@cls[1=>2], @cls[123=>"abc"]].each do |h|
assert_not_equal(h.hash, h.invert.hash, feature4262)
end
end
def test_recursive_hash_value_struct
bug9151 = '[ruby-core:58567] [Bug #9151]'
s = Struct.new(:x) {def hash; [x,""].hash; end}
a = s.new
b = s.new
a.x = b
b.x = a
assert_nothing_raised(SystemStackError, bug9151) {a.hash}
assert_nothing_raised(SystemStackError, bug9151) {b.hash}
h = @cls[]
h[[a,"hello"]] = 1
assert_equal(1, h.size)
h[[b,"world"]] = 2
assert_equal(2, h.size)
obj = Object.new
h = @cls[a => obj]
assert_same(obj, h[b])
end
def test_recursive_hash_value_array
h = @cls[]
h[[[1]]] = 1
assert_equal(1, h.size)
h[[[2]]] = 1
assert_equal(2, h.size)
a = []
a << a
h = @cls[]
h[[a, 1]] = 1
assert_equal(1, h.size)
h[[a, 2]] = 2
assert_equal(2, h.size)
h[[a, a]] = 3
assert_equal(3, h.size)
obj = Object.new
h = @cls[a => obj]
assert_same(obj, h[[[a]]])
end
def test_recursive_hash_value_array_hash
h = @cls[]
rec = [h]
h[:x] = rec
obj = Object.new
h2 = {rec => obj}
[h, {x: rec}].each do |k|
k = [k]
assert_same(obj, h2[k], ->{k.inspect})
end
end
def test_recursive_hash_value_hash_array
h = @cls[]
rec = [h]
h[:x] = rec
obj = Object.new
h2 = {h => obj}
[rec, [h]].each do |k|
k = {x: k}
assert_same(obj, h2[k], ->{k.inspect})
end
end
def test_exception_in_rehash_memory_leak
return unless @cls == Hash
bug9187 = '[ruby-core:58728] [Bug #9187]'
prepare = <<-EOS
class Foo
def initialize
@raise = false
end
def hash
raise if @raise
@raise = true
return 0
end
end
h = {Foo.new => true}
EOS
code = <<-EOS
10_0000.times do
h.rehash rescue nil
end
GC.start
EOS
assert_no_memory_leak([], prepare, code, bug9187)
end
def test_wrapper
bug9381 = '[ruby-core:59638] [Bug #9381]'
wrapper = Class.new do
def initialize(obj)
@obj = obj
end
def hash
@obj.hash
end
def eql?(other)
@obj.eql?(other)
end
end
bad = [
5, true, false, nil,
0.0, 1.72723e-77,
:foo, "dsym_#{self.object_id.to_s(16)}_#{Time.now.to_i.to_s(16)}".to_sym,
"str",
].select do |x|
hash = {x => bug9381}
hash[wrapper.new(x)] != bug9381
end
assert_empty(bad, bug9381)
end
def assert_hash_random(obj, dump = obj.inspect)
a = [obj.hash.to_s]
3.times {
assert_in_out_err(["-e", "print (#{dump}).hash"], "") do |r, e|
a += r
assert_equal([], e)
end
}
assert_not_equal([obj.hash.to_s], a.uniq)
assert_operator(a.uniq.size, :>, 2, proc {a.inspect})
end
def test_string_hash_random
assert_hash_random('abc')
end
def test_symbol_hash_random
assert_hash_random(:-)
assert_hash_random(:foo)
assert_hash_random("dsym_#{self.object_id.to_s(16)}_#{Time.now.to_i.to_s(16)}".to_sym)
end
def test_integer_hash_random
assert_hash_random(0)
assert_hash_random(+1)
assert_hash_random(-1)
assert_hash_random(+(1<<100))
assert_hash_random(-(1<<100))
end
def test_float_hash_random
assert_hash_random(0.0)
assert_hash_random(+1.0)
assert_hash_random(-1.0)
assert_hash_random(1.72723e-77)
assert_hash_random(Float::INFINITY, "Float::INFINITY")
end
def test_label_syntax
return unless @cls == Hash
feature4935 = '[ruby-core:37553] [Feature #4935]'
x = 'world'
hash = assert_nothing_raised(SyntaxError, feature4935) do
break eval(%q({foo: 1, "foo-bar": 2, "hello-#{x}": 3, 'hello-#{x}': 4, 'bar': {}}))
end
assert_equal({:foo => 1, :'foo-bar' => 2, :'hello-world' => 3, :'hello-#{x}' => 4, :bar => {}}, hash, feature4935)
x = x
end
def test_dig
h = @cls[a: @cls[b: [1, 2, 3]], c: 4]
assert_equal(1, h.dig(:a, :b, 0))
assert_nil(h.dig(:b, 1))
assert_raise(TypeError) {h.dig(:c, 1)}
o = Object.new
def o.dig(*args)
{dug: args}
end
h[:d] = o
assert_equal({dug: [:foo, :bar]}, h.dig(:d, :foo, :bar))
end
def test_dig_with_respond_to
bug12030 = '[ruby-core:73556] [Bug #12030]'
o = Object.new
def o.respond_to?(*args)
super
end
assert_raise(TypeError, bug12030) {{foo: o}.dig(:foo, :foo)}
end
def test_cmp
h1 = {a:1, b:2}
h2 = {a:1, b:2, c:3}
assert_operator(h1, :<=, h1)
assert_operator(h1, :<=, h2)
assert_not_operator(h2, :<=, h1)
assert_operator(h2, :<=, h2)
assert_operator(h1, :>=, h1)
assert_not_operator(h1, :>=, h2)
assert_operator(h2, :>=, h1)
assert_operator(h2, :>=, h2)
assert_not_operator(h1, :<, h1)
assert_operator(h1, :<, h2)
assert_not_operator(h2, :<, h1)
assert_not_operator(h2, :<, h2)
assert_not_operator(h1, :>, h1)
assert_not_operator(h1, :>, h2)
assert_operator(h2, :>, h1)
assert_not_operator(h2, :>, h2)
end
def test_cmp_samekeys
h1 = {a:1}
h2 = {a:2}
assert_operator(h1, :<=, h1)
assert_not_operator(h1, :<=, h2)
assert_not_operator(h2, :<=, h1)
assert_operator(h2, :<=, h2)
assert_operator(h1, :>=, h1)
assert_not_operator(h1, :>=, h2)
assert_not_operator(h2, :>=, h1)
assert_operator(h2, :>=, h2)
assert_not_operator(h1, :<, h1)
assert_not_operator(h1, :<, h2)
assert_not_operator(h2, :<, h1)
assert_not_operator(h2, :<, h2)
assert_not_operator(h1, :>, h1)
assert_not_operator(h1, :>, h2)
assert_not_operator(h2, :>, h1)
assert_not_operator(h2, :>, h2)
end
def test_to_proc
h = {
1 => 10,
2 => 20,
3 => 30,
}
assert_equal([10, 20, 30], [1, 2, 3].map(&h))
end
def test_transform_keys
x = @cls[a: 1, b: 2, c: 3]
y = x.transform_keys {|k| :"#{k}!" }
assert_equal({a: 1, b: 2, c: 3}, x)
assert_equal({a!: 1, b!: 2, c!: 3}, y)
enum = x.transform_keys
assert_equal(x.size, enum.size)
assert_instance_of(Enumerator, enum)
y = x.transform_keys.with_index {|k, i| "#{k}.#{i}" }
assert_equal(%w(a.0 b.1 c.2), y.keys)
end
def test_transform_keys_bang
x = @cls[a: 1, b: 2, c: 3]
y = x.transform_keys! {|k| :"#{k}!" }
assert_equal({a!: 1, b!: 2, c!: 3}, x)
assert_same(x, y)
enum = x.transform_keys!
assert_equal(x.size, enum.size)
assert_instance_of(Enumerator, enum)
x.transform_keys!.with_index {|k, i| "#{k}.#{i}" }
assert_equal(%w(a!.0 b!.1 c!.2), x.keys)
x = @cls[1 => :a, -1 => :b]
x.transform_keys! {|k| -k }
assert_equal([-1, :a, 1, :b], x.flatten)
x = @cls[true => :a, false => :b]
x.transform_keys! {|k| !k }
assert_equal([false, :a, true, :b], x.flatten)
end
def test_transform_values
x = @cls[a: 1, b: 2, c: 3]
y = x.transform_values {|v| v ** 2 }
assert_equal([1, 4, 9], y.values_at(:a, :b, :c))
assert_not_same(x, y)
y = x.transform_values.with_index {|v, i| "#{v}.#{i}" }
assert_equal(%w(1.0 2.1 3.2), y.values_at(:a, :b, :c))
end
def test_transform_values_bang
x = @cls[a: 1, b: 2, c: 3]
y = x.transform_values! {|v| v ** 2 }
assert_equal([1, 4, 9], y.values_at(:a, :b, :c))
assert_same(x, y)
x = @cls[a: 1, b: 2, c: 3]
y = x.transform_values!.with_index {|v, i| "#{v}.#{i}" }
assert_equal(%w(1.0 2.1 3.2), y.values_at(:a, :b, :c))
end
def test_broken_hash_value
bug14218 = '[ruby-core:84395] [Bug #14218]'
assert_equal(0, 1_000_000.times.count{a=Object.new.hash; b=Object.new.hash; a < 0 && b < 0 && a + b > 0}, bug14218)
assert_equal(0, 1_000_000.times.count{a=Object.new.hash; b=Object.new.hash; 0 + a + b != 0 + b + a}, bug14218)
end
def test_reserved_hash_val
s = Struct.new(:hash)
h = {}
keys = [*0..8]
keys.each {|i| h[s.new(i)]=true}
msg = proc {h.inspect}
assert_equal(keys, h.keys.map(&:hash), msg)
end
def hrec h, n, &b
if n > 0
h.each{hrec(h, n-1, &b)}
else
yield
end
end
def test_huge_iter_level
nrec = 200
h = @cls[a: 1]
hrec(h, nrec){}
h[:c] = 3
assert_equal(3, h[:c])
h = @cls[a: 1]
h.freeze # set hidden attribute for a frozen object
hrec(h, nrec){}
assert_equal(1, h.size)
h = @cls[a: 1]
assert_raise(RuntimeError){
hrec(h, nrec){ h[:c] = 3 }
}
rescue SystemStackError
# ignore
end
class TestSubHash < TestHash
class SubHash < Hash
def reject(*)
super
end
end
def setup
@cls = SubHash
super
end
end
end