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ruby--ruby/test/ruby/test_literal.rb
Jeremy Evans fac2c0f73c
Fix evaluation order of hash values for duplicate keys
Fixes [Bug #17719]

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
Co-authored-by: Ivo Anjo <ivo@ivoanjo.me>
2021-10-18 09:09:07 -07:00

656 lines
19 KiB
Ruby

# -*- coding: us-ascii -*-
# frozen_string_literal: false
require 'test/unit'
class TestRubyLiteral < Test::Unit::TestCase
def test_special_const
assert_equal 'true', true.inspect
assert_instance_of TrueClass, true
assert_equal 'false', false.inspect
assert_instance_of FalseClass, false
assert_equal 'nil', nil.inspect
assert_instance_of NilClass, nil
assert_equal ':sym', :sym.inspect
assert_instance_of Symbol, :sym
assert_equal '1234', 1234.inspect
assert_instance_of Integer, 1234
assert_equal '1234', 1_2_3_4.inspect
assert_instance_of Integer, 1_2_3_4
assert_equal '18', 0x12.inspect
assert_instance_of Integer, 0x12
assert_raise(SyntaxError) { eval("0x") }
assert_equal '15', 0o17.inspect
assert_instance_of Integer, 0o17
assert_raise(SyntaxError) { eval("0o") }
assert_equal '5', 0b101.inspect
assert_instance_of Integer, 0b101
assert_raise(SyntaxError) { eval("0b") }
assert_equal '123456789012345678901234567890', 123456789012345678901234567890.inspect
assert_instance_of Integer, 123456789012345678901234567890
assert_instance_of Float, 1.3
assert_equal '2', eval("0x00+2").inspect
end
def test_self
assert_equal self, self
assert_instance_of TestRubyLiteral, self
assert_respond_to self, :test_self
end
def test_string
assert_instance_of String, ?a
assert_equal "a", ?a
assert_instance_of String, ?A
assert_equal "A", ?A
assert_instance_of String, ?\n
assert_equal "\n", ?\n
assert_equal " ", ?\s
assert_equal " ", ?\ # space
assert_equal '', ''
assert_equal 'string', 'string'
assert_equal 'string string', 'string string'
assert_equal ' ', ' '
assert_equal ' ', " "
assert_equal "\0", "\0"
assert_equal "\1", "\1"
assert_equal "3", "\x33"
assert_equal "\n", "\n"
bug2500 = '[ruby-core:27228]'
bug5262 = '[ruby-core:39222]'
%w[c C- M-].each do |pre|
["u", %w[u{ }]].each do |open, close|
["?", ['"', '"']].each do |qopen, qclose|
str = "#{qopen}\\#{pre}\\#{open}5555#{close}#{qclose}"
assert_raise(SyntaxError, "#{bug2500} eval(#{str})") {eval(str)}
str = "#{qopen}\\#{pre}\\#{open}\u201c#{close}#{qclose}"
assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}
str = "#{qopen}\\#{pre}\\#{open}\u201c#{close}#{qclose}".encode("euc-jp")
assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}
str = "#{qopen}\\#{pre}\\#{open}\u201c#{close}#{qclose}".encode("iso-8859-13")
assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}
str = "#{qopen}\\#{pre}\\#{open}\xe2\x7f#{close}#{qclose}".force_encoding("utf-8")
assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}
end
end
end
bug6069 = '[ruby-dev:45278]'
assert_equal "\x13", "\c\x33"
assert_equal "\x13", "\C-\x33"
assert_equal "\xB3", "\M-\x33"
assert_equal "\u201c", eval(%["\\\u{201c}"]), bug5262
assert_equal "\u201c".encode("euc-jp"), eval(%["\\\u{201c}"].encode("euc-jp")), bug5262
assert_equal "\u201c".encode("iso-8859-13"), eval(%["\\\u{201c}"].encode("iso-8859-13")), bug5262
assert_equal "\\\u201c", eval(%['\\\u{201c}']), bug6069
assert_equal "\\\u201c".encode("euc-jp"), eval(%['\\\u{201c}'].encode("euc-jp")), bug6069
assert_equal "\\\u201c".encode("iso-8859-13"), eval(%['\\\u{201c}'].encode("iso-8859-13")), bug6069
assert_equal "\u201c", eval(%[?\\\u{201c}]), bug6069
assert_equal "\u201c".encode("euc-jp"), eval(%[?\\\u{201c}].encode("euc-jp")), bug6069
assert_equal "\u201c".encode("iso-8859-13"), eval(%[?\\\u{201c}].encode("iso-8859-13")), bug6069
assert_equal "ab", eval("?a 'b'")
assert_equal "a\nb", eval("<<A 'b'\na\nA")
end
def test_dstring
assert_equal '2', "#{1+1}"
assert_equal '16', "#{2 ** 4}"
s = "string"
assert_equal s, "#{s}"
a = 'Foo'
b = "#{a}" << 'Bar'
assert_equal('Foo', a, 'r3842')
assert_equal('FooBar', b, 'r3842')
end
def test_dstring_encoding
bug11519 = '[ruby-core:70703] [Bug #11519]'
['"foo#{}"', '"#{}foo"', '"#{}"'].each do |code|
a = eval("#-*- coding: utf-8 -*-\n#{code}")
assert_equal(Encoding::UTF_8, a.encoding,
proc{"#{bug11519}: #{code}.encoding"})
end
end
def test_dsymbol
assert_equal :a3c, :"a#{1+2}c"
end
def test_dsymbol_redefined_intern
assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
begin;
class String
alias _intern intern
def intern
"<#{upcase}>"
end
end
mesg = "literal symbol should not be affected by method redefinition"
str = "foo"
assert_equal(:foo, :"#{str}", mesg)
end;
end
def test_xstring
assert_equal "foo\n", `echo foo`
s = 'foo'
assert_equal "foo\n", `echo #{s}`
end
def test_frozen_string
all_assertions do |a|
a.for("false with indicator") do
str = eval("# -*- frozen-string-literal: false -*-\n""'foo'")
assert_not_predicate(str, :frozen?)
end
a.for("true with indicator") do
str = eval("# -*- frozen-string-literal: true -*-\n""'foo'")
assert_predicate(str, :frozen?)
end
a.for("false without indicator") do
str = eval("# frozen-string-literal: false\n""'foo'")
assert_not_predicate(str, :frozen?)
end
a.for("true without indicator") do
str = eval("# frozen-string-literal: true\n""'foo'")
assert_predicate(str, :frozen?)
end
a.for("false with preceding garbage") do
str = eval("# x frozen-string-literal: false\n""'foo'")
assert_not_predicate(str, :frozen?)
end
a.for("true with preceding garbage") do
str = eval("# x frozen-string-literal: true\n""'foo'")
assert_not_predicate(str, :frozen?)
end
a.for("false with succeeding garbage") do
str = eval("# frozen-string-literal: false x\n""'foo'")
assert_not_predicate(str, :frozen?)
end
a.for("true with succeeding garbage") do
str = eval("# frozen-string-literal: true x\n""'foo'")
assert_not_predicate(str, :frozen?)
end
end
end
def test_frozen_string_in_array_literal
list = eval("# frozen-string-literal: true\n""['foo', 'bar']")
assert_equal 2, list.length
list.each { |str| assert_predicate str, :frozen? }
end
if defined?(RubyVM::InstructionSequence.compile_option) and
RubyVM::InstructionSequence.compile_option.key?(:debug_frozen_string_literal)
def test_debug_frozen_string
src = '_="foo-1"'; f = "test.rb"; n = 1
opt = {frozen_string_literal: true, debug_frozen_string_literal: true}
str = RubyVM::InstructionSequence.compile(src, f, f, n, **opt).eval
assert_equal("foo-1", str)
assert_predicate(str, :frozen?)
assert_raise_with_message(FrozenError, /created at #{Regexp.quote(f)}:#{n}/) {
str << "x"
} unless ENV['RUBY_ISEQ_DUMP_DEBUG']
end
def test_debug_frozen_string_in_array_literal
src = '["foo"]'; f = "test.rb"; n = 1
opt = {frozen_string_literal: true, debug_frozen_string_literal: true}
ary = RubyVM::InstructionSequence.compile(src, f, f, n, **opt).eval
assert_equal("foo", ary.first)
assert_predicate(ary.first, :frozen?)
assert_raise_with_message(FrozenError, /created at #{Regexp.quote(f)}:#{n}/) {
ary.first << "x"
} unless ENV['RUBY_ISEQ_DUMP_DEBUG']
end
end
def test_regexp
assert_instance_of Regexp, //
assert_match(//, 'a')
assert_match(//, '')
assert_instance_of Regexp, /a/
assert_match(/a/, 'a')
assert_no_match(/test/, 'tes')
re = /test/
assert_match re, 'test'
str = 'test'
assert_match re, str
assert_match(/test/, str)
assert_equal 0, (/test/ =~ 'test')
assert_equal 0, (re =~ 'test')
assert_equal 0, (/test/ =~ str)
assert_equal 0, (re =~ str)
assert_equal 0, ('test' =~ /test/)
assert_equal 0, ('test' =~ re)
assert_equal 0, (str =~ /test/)
assert_equal 0, (str =~ re)
end
def test_dregexp
assert_instance_of Regexp, /re#{'ge'}xp/
assert_equal(/regexp/, /re#{'ge'}xp/)
bug3903 = '[ruby-core:32682]'
assert_raise(SyntaxError, bug3903) {eval('/[#{"\x80"}]/')}
end
def test_array
assert_instance_of Array, []
assert_equal [], []
assert_equal 0, [].size
assert_instance_of Array, [0]
assert_equal [3], [3]
assert_equal 1, [3].size
a = [3]
assert_equal 3, a[0]
assert_instance_of Array, [1,2]
assert_equal [1,2], [1,2]
assert_instance_of Array, [1,2,3,4,5]
assert_equal [1,2,3,4,5], [1,2,3,4,5]
assert_equal 5, [1,2,3,4,5].size
a = [1,2]
assert_equal 1, a[0]
assert_equal 2, a[1]
a = [1 + 2, 3 + 4, 5 + 6]
assert_instance_of Array, a
assert_equal [3, 7, 11], a
assert_equal 7, a[1]
assert_equal 1, ([0][0] += 1)
assert_equal 1, ([2][0] -= 1)
a = [obj = Object.new]
assert_instance_of Array, a
assert_equal 1, a.size
assert_equal obj, a[0]
a = [1,2,3]
a[1] = 5
assert_equal 5, a[1]
end
def test_hash
assert_instance_of Hash, {}
assert_equal({}, {})
assert_instance_of Hash, {1 => 2}
assert_equal({1 => 2}, {1 => 2})
h = {1 => 2}
assert_equal 2, h[1]
h = {"string" => "literal", "goto" => "hell"}
assert_equal h, h
assert_equal 2, h.size
assert_equal h, h
assert_equal "literal", h["string"]
end
def test_hash_literal_frozen
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
def frozen_hash_literal_arg
{0=>1,1=>4,2=>17}
end
ObjectSpace.each_object(Hash) do |a|
if a.class == Hash and !a.default_proc and a.size == 3 &&
a[0] == 1 && a[1] == 4 && a[2] == 17
# should not be found.
raise
end
end
assert_not_include frozen_hash_literal_arg, 3
end;
end
def test_big_array_and_hash_literal
assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("[#{(1..1_000_000).map{'x'}.join(", ")}]").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("[#{(1..1_000_000).to_a.join(", ")}]").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("{#{(1..1_000_000).map{|n| "#{n} => x"}.join(', ')}}").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("{#{(1..1_000_000).map{|n| "#{n} => #{n}"}.join(', ')}}").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
end
def test_big_hash_literal
bug7466 = '[ruby-dev:46658]'
h = {
0xFE042 => 0xE5CD,
0xFE043 => 0xE5CD,
0xFE045 => 0xEA94,
0xFE046 => 0xE4E3,
0xFE047 => 0xE4E2,
0xFE048 => 0xEA96,
0xFE049 => 0x3013,
0xFE04A => 0xEB36,
0xFE04B => 0xEB37,
0xFE04C => 0xEB38,
0xFE04D => 0xEB49,
0xFE04E => 0xEB82,
0xFE04F => 0xE4D2,
0xFE050 => 0xEB35,
0xFE051 => 0xEAB9,
0xFE052 => 0xEABA,
0xFE053 => 0xE4D4,
0xFE054 => 0xE4CD,
0xFE055 => 0xEABB,
0xFE056 => 0xEABC,
0xFE057 => 0xEB32,
0xFE058 => 0xEB33,
0xFE059 => 0xEB34,
0xFE05A => 0xEB39,
0xFE05B => 0xEB5A,
0xFE190 => 0xE5A4,
0xFE191 => 0xE5A5,
0xFE192 => 0xEAD0,
0xFE193 => 0xEAD1,
0xFE194 => 0xEB47,
0xFE195 => 0xE509,
0xFE196 => 0xEAA0,
0xFE197 => 0xE50B,
0xFE198 => 0xEAA1,
0xFE199 => 0xEAA2,
0xFE19A => 0x3013,
0xFE19B => 0xE4FC,
0xFE19C => 0xE4FA,
0xFE19D => 0xE4FC,
0xFE19E => 0xE4FA,
0xFE19F => 0xE501,
0xFE1A0 => 0x3013,
0xFE1A1 => 0xE5DD,
0xFE1A2 => 0xEADB,
0xFE1A3 => 0xEAE9,
0xFE1A4 => 0xEB13,
0xFE1A5 => 0xEB14,
0xFE1A6 => 0xEB15,
0xFE1A7 => 0xEB16,
0xFE1A8 => 0xEB17,
0xFE1A9 => 0xEB18,
0xFE1AA => 0xEB19,
0xFE1AB => 0xEB1A,
0xFE1AC => 0xEB44,
0xFE1AD => 0xEB45,
0xFE1AE => 0xE4CB,
0xFE1AF => 0xE5BF,
0xFE1B0 => 0xE50E,
0xFE1B1 => 0xE4EC,
0xFE1B2 => 0xE4EF,
0xFE1B3 => 0xE4F8,
0xFE1B4 => 0x3013,
0xFE1B5 => 0x3013,
0xFE1B6 => 0xEB1C,
0xFE1B9 => 0xEB7E,
0xFE1D3 => 0xEB22,
0xFE7DC => 0xE4D8,
0xFE1D4 => 0xEB23,
0xFE1D5 => 0xEB24,
0xFE1D6 => 0xEB25,
0xFE1CC => 0xEB1F,
0xFE1CD => 0xEB20,
0xFE1CE => 0xE4D9,
0xFE1CF => 0xE48F,
0xFE1C5 => 0xE5C7,
0xFE1C6 => 0xEAEC,
0xFE1CB => 0xEB1E,
0xFE1DA => 0xE4DD,
0xFE1E1 => 0xEB57,
0xFE1E2 => 0xEB58,
0xFE1E3 => 0xE492,
0xFE1C9 => 0xEB1D,
0xFE1D9 => 0xE4D3,
0xFE1DC => 0xE5D4,
0xFE1BA => 0xE4E0,
0xFE1BB => 0xEB76,
0xFE1C8 => 0xE4E0,
0xFE1DD => 0xE5DB,
0xFE1BC => 0xE4DC,
0xFE1D8 => 0xE4DF,
0xFE1BD => 0xE49A,
0xFE1C7 => 0xEB1B,
0xFE1C2 => 0xE5C2,
0xFE1C0 => 0xE5C0,
0xFE1B8 => 0xE4DB,
0xFE1C3 => 0xE470,
0xFE1BE => 0xE4D8,
0xFE1C4 => 0xE4D9,
0xFE1B7 => 0xE4E1,
0xFE1BF => 0xE4DE,
0xFE1C1 => 0xE5C1,
0xFE1CA => 0x3013,
0xFE1D0 => 0xE4E1,
0xFE1D1 => 0xEB21,
0xFE1D2 => 0xE4D7,
0xFE1D7 => 0xE4DA,
0xFE1DB => 0xE4EE,
0xFE1DE => 0xEB3F,
0xFE1DF => 0xEB46,
0xFE1E0 => 0xEB48,
0xFE336 => 0xE4FB,
0xFE320 => 0xE472,
0xFE321 => 0xEB67,
0xFE322 => 0xEACA,
0xFE323 => 0xEAC0,
0xFE324 => 0xE5AE,
0xFE325 => 0xEACB,
0xFE326 => 0xEAC9,
0xFE327 => 0xE5C4,
0xFE328 => 0xEAC1,
0xFE329 => 0xE4E7,
0xFE32A => 0xE4E7,
0xFE32B => 0xEACD,
0xFE32C => 0xEACF,
0xFE32D => 0xEACE,
0xFE32E => 0xEAC7,
0xFE32F => 0xEAC8,
0xFE330 => 0xE471,
0xFE331 => "[Bug #7466]",
}
k = h.keys
assert_equal([129, 0xFE331], [k.size, k.last], bug7466)
code = [
"h = {",
(1..128).map {|i| "#{i} => 0,"},
(129..140).map {|i| "#{i} => [],"},
"}",
].join
assert_separately([], <<-"end;")
GC.stress = true
#{code}
GC.stress = false
assert_equal(140, h.size)
end;
end
def test_hash_duplicated_key
h = EnvUtil.suppress_warning do
eval "#{<<-"begin;"}\n#{<<-'end;'}"
begin;
# This is a syntax that renders warning at very early stage.
# eval used to delay warning, to be suppressible by EnvUtil.
{"a" => 100, "b" => 200, "a" => 300, "a" => 400}
end;
end
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'))
a = []
h = EnvUtil.suppress_warning do
eval <<~end
# This is a syntax that renders warning at very early stage.
# eval used to delay warning, to be suppressible by EnvUtil.
{"a" => a.push(100).last, "b" => a.push(200).last, "a" => a.push(300).last, "a" => a.push(400).last}
end
end
assert_equal({'a' => 400, 'b' => 200}, h)
assert_equal([100, 200, 300, 400], a)
assert_all_assertions_foreach(
"duplicated literal key",
':foo',
'"a"',
'1000',
'1.0',
'1_000_000_000_000_000_000_000',
'1.0r',
'1.0i',
'1.72723e-77',
'//',
) do |key|
assert_warning(/key #{Regexp.quote(eval(key).inspect)} is duplicated/) do
eval("{#{key} => :bar, #{key} => :foo}")
end
end
end
def test_hash_frozen_key_id
key = "a".freeze
h = {key => 100}
assert_equal(100, h['a'])
assert_same(key, *h.keys)
end
def test_hash_key_tampering
key = "a"
h = {key => 100}
key.upcase!
assert_equal(100, h['a'])
end
FOO = "foo"
def test_hash_value_omission
x = 1
y = 2
assert_equal({x: 1, y: 2}, {x:, y:})
assert_equal({x: 1, y: 2, z: 3}, {x:, y:, z: 3})
assert_equal({one: 1, two: 2}, {one:, two:})
b = binding
b.local_variable_set(:if, "if")
b.local_variable_set(:self, "self")
assert_equal({FOO: "foo", if: "if", self: "self"},
eval('{FOO:, if:, self:}', b))
assert_syntax_error('{"#{x}":}', /'\}'/)
end
private def one
1
end
private def two
2
end
def test_range
assert_instance_of Range, (1..2)
assert_equal(1..2, 1..2)
r = 1..2
assert_equal 1, r.begin
assert_equal 2, r.end
assert_equal false, r.exclude_end?
assert_instance_of Range, (1...3)
assert_equal(1...3, 1...3)
r = 1...3
assert_equal 1, r.begin
assert_equal 3, r.end
assert_equal true, r.exclude_end?
r = 1+2 .. 3+4
assert_instance_of Range, r
assert_equal 3, r.begin
assert_equal 7, r.end
assert_equal false, r.exclude_end?
r = 1+2 ... 3+4
assert_instance_of Range, r
assert_equal 3, r.begin
assert_equal 7, r.end
assert_equal true, r.exclude_end?
assert_instance_of Range, 'a'..'c'
r = 'a'..'c'
assert_equal 'a', r.begin
assert_equal 'c', r.end
end
def test__FILE__
assert_instance_of String, __FILE__
assert_equal __FILE__, __FILE__
assert_equal 'test_literal.rb', File.basename(__FILE__)
end
def test__LINE__
assert_instance_of Integer, __LINE__
assert_equal __LINE__, __LINE__
end
def test_integer
head = ['', '0x', '0o', '0b', '0d', '-', '+']
chars = ['0', '1', '_', '9', 'f']
head.each {|h|
4.times {|len|
a = [h]
len.times { a = a.product(chars).map {|x| x.join('') } }
a.each {|s|
next if s.empty?
begin
r1 = Integer(s)
rescue ArgumentError
r1 = :err
end
begin
r2 = eval(s)
rescue NameError, SyntaxError
r2 = :err
end
assert_equal(r1, r2, "Integer(#{s.inspect}) != eval(#{s.inspect})")
}
}
}
bug2407 = '[ruby-dev:39798]'
head.grep_v(/^0/) do |s|
head.grep(/^0/) do |h|
h = "#{s}#{h}_"
assert_syntax_error(h, /numeric literal without digits\Z/, "#{bug2407}: #{h.inspect}")
end
end
end
def test_float
head = ['', '-', '+']
chars = ['0', '1', '_', '9', 'f', '.']
head.each {|h|
6.times {|len|
a = [h]
len.times { a = a.product(chars).map {|x| x.join('') } }
a.each {|s|
next if s.empty?
next if /\.\z/ =~ s
next if /\A[-+]?\./ =~ s
next if /\A[-+]?0/ =~ s
begin
r1 = Float(s)
rescue ArgumentError
r1 = :err
end
begin
r2 = eval(s)
rescue NameError, SyntaxError
r2 = :err
end
r2 = :err if Range === r2
assert_equal(r1, r2, "Float(#{s.inspect}) != eval(#{s.inspect})")
}
}
}
assert_equal(100.0, 0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100e100)
end
def test_symbol_list
assert_equal([:foo, :bar], %i[foo bar])
assert_equal([:"\"foo"], %i["foo])
x = 10
assert_equal([:foo, :b10], %I[foo b#{x}])
assert_equal([:"\"foo10"], %I["foo#{x}])
assert_ruby_status(["--disable-gems", "--dump=parsetree"], "%I[foo bar]")
end
end