mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
1005 lines
26 KiB
Ruby
1005 lines
26 KiB
Ruby
# -*- coding: us-ascii -*-
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# frozen_string_literal: false
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require 'test/unit'
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class TestObject < Test::Unit::TestCase
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def setup
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@verbose = $VERBOSE
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end
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def teardown
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$VERBOSE = @verbose
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end
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def test_itself
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feature6373 = '[ruby-core:44704] [Feature #6373]'
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object = Object.new
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assert_same(object, object.itself, feature6373)
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end
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def test_yield_self
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feature = '[ruby-core:46320] [Feature #6721]'
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object = Object.new
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assert_same(self, object.yield_self {self}, feature)
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assert_same(object, object.yield_self {|x| break x}, feature)
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enum = object.yield_self
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assert_instance_of(Enumerator, enum)
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assert_equal(1, enum.size)
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end
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def test_dup
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assert_equal 1, 1.dup
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assert_equal true, true.dup
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assert_equal nil, nil.dup
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assert_equal false, false.dup
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x = :x; assert_equal x, x.dup
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x = "bug13145".intern; assert_equal x, x.dup
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x = 1 << 64; assert_equal x, x.dup
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x = 1.72723e-77; assert_equal x, x.dup
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assert_raise(TypeError) do
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Object.new.instance_eval { initialize_copy(1) }
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end
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end
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def test_clone
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a = Object.new
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def a.b; 2 end
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c = a.clone
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assert_equal(false, c.frozen?)
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assert_equal(false, a.frozen?)
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assert_equal(2, c.b)
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c = a.clone(freeze: true)
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assert_equal(true, c.frozen?)
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assert_equal(false, a.frozen?)
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assert_equal(2, c.b)
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a.freeze
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c = a.clone
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assert_equal(true, c.frozen?)
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assert_equal(true, a.frozen?)
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assert_equal(2, c.b)
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assert_raise(ArgumentError) {a.clone(freeze: [])}
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d = a.clone(freeze: false)
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def d.e; 3; end
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assert_equal(false, d.frozen?)
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assert_equal(true, a.frozen?)
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assert_equal(2, d.b)
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assert_equal(3, d.e)
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assert_equal 1, 1.clone
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assert_equal true, true.clone
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assert_equal nil, nil.clone
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assert_equal false, false.clone
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x = :x; assert_equal x, x.dup
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x = "bug13145".intern; assert_equal x, x.dup
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x = 1 << 64; assert_equal x, x.clone
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x = 1.72723e-77; assert_equal x, x.clone
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assert_raise(ArgumentError) {1.clone(freeze: false)}
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assert_raise(ArgumentError) {true.clone(freeze: false)}
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assert_raise(ArgumentError) {nil.clone(freeze: false)}
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assert_raise(ArgumentError) {false.clone(freeze: false)}
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x = EnvUtil.labeled_class("\u{1f4a9}").new
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assert_raise_with_message(ArgumentError, /\u{1f4a9}/) do
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Object.new.clone(freeze: x)
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end
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c = Class.new do
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attr_reader :f
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end
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o = c.new
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def o.initialize_clone(_, freeze: true)
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@f = freeze
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super
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end
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clone = o.clone
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assert_kind_of c, clone
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assert_equal true, clone.f
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clone = o.clone(freeze: false)
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assert_kind_of c, clone
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assert_equal false, clone.f
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class << o
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remove_method(:initialize_clone)
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end
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def o.initialize_clone(_)
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super
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end
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assert_kind_of c, o.clone
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assert_raise(ArgumentError) { o.clone(freeze: false) }
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end
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def test_init_dupclone
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cls = Class.new do
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def initialize_clone(orig); throw :initialize_clone; end
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def initialize_dup(orig); throw :initialize_dup; end
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end
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obj = cls.new
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assert_throw(:initialize_clone) {obj.clone}
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assert_throw(:initialize_dup) {obj.dup}
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end
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def test_instance_of
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assert_raise(TypeError) { 1.instance_of?(1) }
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end
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def test_kind_of
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assert_raise(TypeError) { 1.kind_of?(1) }
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end
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def test_freeze_immediate
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assert_equal(true, 1.frozen?)
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1.freeze
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assert_equal(true, 1.frozen?)
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assert_equal(true, 2.frozen?)
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assert_equal(true, true.frozen?)
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assert_equal(true, false.frozen?)
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assert_equal(true, nil.frozen?)
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end
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def test_frozen_error_message
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name = "C\u{30c6 30b9 30c8}"
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klass = EnvUtil.labeled_class(name) {
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attr_accessor :foo
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}
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obj = klass.new.freeze
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assert_raise_with_message(FrozenError, /#{name}/) {
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obj.foo = 1
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}
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end
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def test_nil_to_f
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assert_equal(0.0, nil.to_f)
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end
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def test_nil_to_s
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str = nil.to_s
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assert_equal("", str)
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assert_predicate(str, :frozen?)
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assert_same(str, nil.to_s)
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end
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def test_true_to_s
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str = true.to_s
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assert_equal("true", str)
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assert_predicate(str, :frozen?)
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assert_same(str, true.to_s)
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end
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def test_false_to_s
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str = false.to_s
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assert_equal("false", str)
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assert_predicate(str, :frozen?)
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assert_same(str, false.to_s)
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end
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def test_not
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assert_equal(false, Object.new.send(:!))
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assert_equal(true, nil.send(:!))
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end
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def test_true_and
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assert_equal(true, true & true)
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assert_equal(true, true & 1)
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assert_equal(false, true & false)
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assert_equal(false, true & nil)
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end
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def test_true_or
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assert_equal(true, true | true)
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assert_equal(true, true | 1)
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assert_equal(true, true | false)
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assert_equal(true, true | nil)
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end
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def test_true_xor
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assert_equal(false, true ^ true)
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assert_equal(false, true ^ 1)
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assert_equal(true, true ^ false)
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assert_equal(true, true ^ nil)
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end
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def test_false_and
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assert_equal(false, false & true)
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assert_equal(false, false & 1)
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assert_equal(false, false & false)
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assert_equal(false, false & nil)
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end
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def test_false_or
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assert_equal(true, false | true)
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assert_equal(true, false | 1)
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assert_equal(false, false | false)
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assert_equal(false, false | nil)
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end
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def test_false_xor
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assert_equal(true, false ^ true)
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assert_equal(true, false ^ 1)
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assert_equal(false, false ^ false)
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assert_equal(false, false ^ nil)
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end
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def test_methods
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o = Object.new
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a1 = o.methods
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a2 = o.methods(false)
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def o.foo; end
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assert_equal([:foo], o.methods(true) - a1)
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assert_equal([:foo], o.methods(false) - a2)
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end
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def test_methods2
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c0 = Class.new
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c1 = Class.new(c0)
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c1.module_eval do
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public ; def foo; end
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protected; def bar; end
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private ; def baz; end
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end
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c2 = Class.new(c1)
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c2.module_eval do
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public ; def foo2; end
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protected; def bar2; end
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private ; def baz2; end
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end
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o0 = c0.new
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o2 = c2.new
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assert_equal([:baz, :baz2], (o2.private_methods - o0.private_methods).sort)
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assert_equal([:baz2], (o2.private_methods(false) - o0.private_methods(false)).sort)
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assert_equal([:bar, :bar2], (o2.protected_methods - o0.protected_methods).sort)
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assert_equal([:bar2], (o2.protected_methods(false) - o0.protected_methods(false)).sort)
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assert_equal([:foo, :foo2], (o2.public_methods - o0.public_methods).sort)
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assert_equal([:foo2], (o2.public_methods(false) - o0.public_methods(false)).sort)
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end
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def test_methods_prepend
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bug8044 = '[ruby-core:53207] [Bug #8044]'
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o = Object.new
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def o.foo; end
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assert_equal([:foo], o.methods(false))
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class << o; prepend Module.new; end
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assert_equal([:foo], o.methods(false), bug8044)
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end
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def test_methods_prepend_singleton
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c = Class.new(Module) {private def foo; end}
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k = c.new
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k.singleton_class
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c.module_eval {prepend(Module.new)}
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assert_equal([:foo], k.private_methods(false))
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end
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def test_instance_variable_get
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o = Object.new
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o.instance_eval { @foo = :foo }
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assert_equal(:foo, o.instance_variable_get(:@foo))
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assert_equal(nil, o.instance_variable_get(:@bar))
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assert_raise(NameError) { o.instance_variable_get('@') }
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assert_raise(NameError) { o.instance_variable_get(:'@') }
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assert_raise(NameError) { o.instance_variable_get(:foo) }
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assert_raise(NameError) { o.instance_variable_get("bar") }
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assert_raise(TypeError) { o.instance_variable_get(1) }
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n = Object.new
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def n.to_str; @count = defined?(@count) ? @count + 1 : 1; "@foo"; end
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def n.count; @count; end
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assert_equal(:foo, o.instance_variable_get(n))
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assert_equal(1, n.count)
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end
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def test_instance_variable_set
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o = Object.new
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o.instance_variable_set(:@foo, :foo)
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assert_equal(:foo, o.instance_eval { @foo })
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assert_raise(NameError) { o.instance_variable_set(:'@', 1) }
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assert_raise(NameError) { o.instance_variable_set('@', 1) }
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assert_raise(NameError) { o.instance_variable_set(:foo, 1) }
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assert_raise(NameError) { o.instance_variable_set("bar", 1) }
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assert_raise(TypeError) { o.instance_variable_set(1, 1) }
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n = Object.new
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def n.to_str; @count = defined?(@count) ? @count + 1 : 1; "@foo"; end
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def n.count; @count; end
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o.instance_variable_set(n, :bar)
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assert_equal(:bar, o.instance_eval { @foo })
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assert_equal(1, n.count)
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end
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def test_instance_variable_defined
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o = Object.new
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o.instance_eval { @foo = :foo }
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assert_equal(true, o.instance_variable_defined?(:@foo))
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assert_equal(false, o.instance_variable_defined?(:@bar))
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assert_raise(NameError) { o.instance_variable_defined?(:'@') }
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assert_raise(NameError) { o.instance_variable_defined?('@') }
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assert_raise(NameError) { o.instance_variable_defined?(:foo) }
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assert_raise(NameError) { o.instance_variable_defined?("bar") }
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assert_raise(TypeError) { o.instance_variable_defined?(1) }
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n = Object.new
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def n.to_str; @count = defined?(@count) ? @count + 1 : 1; "@foo"; end
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def n.count; @count; end
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assert_equal(true, o.instance_variable_defined?(n))
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assert_equal(1, n.count)
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end
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def test_remove_instance_variable
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{ 'T_OBJECT' => Object.new,
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'T_CLASS,T_MODULE' => Class.new(Object),
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'generic ivar' => '',
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}.each do |desc, o|
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e = assert_raise(NameError, "#{desc} iv removal raises before set") do
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o.remove_instance_variable(:@foo)
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end
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assert_equal([o, :@foo], [e.receiver, e.name])
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o.instance_eval { @foo = :foo }
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assert_equal(:foo, o.remove_instance_variable(:@foo),
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"#{desc} iv removal returns original value")
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assert_not_send([o, :instance_variable_defined?, :@foo],
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"#{desc} iv removed successfully")
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e = assert_raise(NameError, "#{desc} iv removal raises after removal") do
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o.remove_instance_variable(:@foo)
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end
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assert_equal([o, :@foo], [e.receiver, e.name])
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end
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end
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def test_convert_string
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o = Object.new
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def o.to_s; 1; end
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assert_raise(TypeError) { String(o) }
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o.singleton_class.remove_method(:to_s)
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def o.to_s; "o"; end
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assert_equal("o", String(o))
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def o.to_str; "O"; end
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assert_equal("O", String(o))
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def o.respond_to?(*) false; end
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assert_raise(TypeError) { String(o) }
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end
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def test_convert_array
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o = Object.new
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def o.to_a; 1; end
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assert_raise(TypeError) { Array(o) }
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o.singleton_class.remove_method(:to_a)
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def o.to_a; [1]; end
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assert_equal([1], Array(o))
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def o.to_ary; [2]; end
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assert_equal([2], Array(o))
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def o.respond_to?(*) false; end
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assert_equal([o], Array(o))
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end
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def test_convert_hash
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assert_equal({}, Hash(nil))
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assert_equal({}, Hash([]))
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assert_equal({key: :value}, Hash(key: :value))
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assert_raise(TypeError) { Hash([1,2]) }
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assert_raise(TypeError) { Hash(Object.new) }
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o = Object.new
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def o.to_hash; {a: 1, b: 2}; end
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assert_equal({a: 1, b: 2}, Hash(o))
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o.singleton_class.remove_method(:to_hash)
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def o.to_hash; 9; end
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assert_raise(TypeError) { Hash(o) }
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end
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def test_to_integer
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o = Object.new
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def o.to_i; nil; end
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assert_raise(TypeError) { Integer(o) }
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o.singleton_class.remove_method(:to_i)
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def o.to_i; 42; end
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assert_equal(42, Integer(o))
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def o.respond_to?(*) false; end
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assert_raise(TypeError) { Integer(o) }
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end
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class MyInteger
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def initialize(n); @num = n; end
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def to_int; @num; end
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def <=>(n); @num <=> n.to_int; end
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def <=(n); @num <= n.to_int; end
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def +(n); MyInteger.new(@num + n.to_int); end
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end
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def test_check_to_integer
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o1 = MyInteger.new(1)
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o9 = MyInteger.new(9)
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n = 0
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Range.new(o1, o9).step(2) {|x| n += x.to_int }
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assert_equal(1+3+5+7+9, n)
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end
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def test_redefine_method_under_verbose
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assert_in_out_err([], <<-INPUT, %w(2), /warning: method redefined; discarding old foo$/)
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$VERBOSE = true
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o = Object.new
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def o.foo; 1; end
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def o.foo; 2; end
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p o.foo
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INPUT
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end
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def test_redefine_method_which_may_case_serious_problem
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assert_in_out_err([], <<-INPUT, [], %r"warning: redefining `object_id' may cause serious problems$")
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$VERBOSE = false
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def (Object.new).object_id; end
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INPUT
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assert_in_out_err([], <<-INPUT, [], %r"warning: redefining `__send__' may cause serious problems$")
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$VERBOSE = false
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def (Object.new).__send__; end
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INPUT
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bug10421 = '[ruby-dev:48691] [Bug #10421]'
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assert_in_out_err([], <<-INPUT, ["1"], [], bug10421)
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$VERBOSE = false
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class C < BasicObject
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def object_id; 1; end
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end
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puts C.new.object_id
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INPUT
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end
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def test_remove_method
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c = Class.new
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c.freeze
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assert_raise(FrozenError) do
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c.instance_eval { remove_method(:foo) }
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end
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c = Class.new do
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def meth1; "meth" end
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end
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d = Class.new(c) do
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alias meth2 meth1
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end
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o1 = c.new
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assert_respond_to(o1, :meth1)
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assert_equal("meth", o1.meth1)
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o2 = d.new
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assert_respond_to(o2, :meth1)
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assert_equal("meth", o2.meth1)
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assert_respond_to(o2, :meth2)
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assert_equal("meth", o2.meth2)
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d.class_eval do
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remove_method :meth2
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end
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bug2202 = '[ruby-core:26074]'
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assert_raise(NoMethodError, bug2202) {o2.meth2}
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%w(object_id __send__ initialize).each do |m|
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assert_in_out_err([], <<-INPUT, %w(:ok), %r"warning: removing `#{m}' may cause serious problems$")
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$VERBOSE = false
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begin
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Class.new.instance_eval { remove_method(:#{m}) }
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rescue NameError
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p :ok
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end
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INPUT
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end
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m = "\u{30e1 30bd 30c3 30c9}"
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c = Class.new
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assert_raise_with_message(NameError, /#{m}/) do
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c.class_eval {remove_method m}
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end
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c = Class.new {
|
|
define_method(m) {}
|
|
remove_method(m)
|
|
}
|
|
assert_raise_with_message(NameError, /#{m}/) do
|
|
c.class_eval {remove_method m}
|
|
end
|
|
end
|
|
|
|
def test_method_missing
|
|
assert_raise(ArgumentError) do
|
|
1.instance_eval { method_missing }
|
|
end
|
|
|
|
c = Class.new
|
|
c.class_eval do
|
|
protected
|
|
def foo; end
|
|
end
|
|
assert_raise(NoMethodError) do
|
|
c.new.foo
|
|
end
|
|
|
|
assert_raise(NoMethodError) do
|
|
1.instance_eval { method_missing(:method_missing) }
|
|
end
|
|
|
|
c.class_eval do
|
|
undef_method(:method_missing)
|
|
end
|
|
|
|
assert_raise(ArgumentError) do
|
|
c.new.method_missing
|
|
end
|
|
|
|
bug2494 = '[ruby-core:27219]'
|
|
c = Class.new do
|
|
def method_missing(meth, *args)
|
|
super
|
|
end
|
|
end
|
|
b = c.new
|
|
foo rescue nil
|
|
assert_nothing_raised(bug2494) {[b].flatten}
|
|
end
|
|
|
|
def test_respond_to_missing_string
|
|
c = Class.new do
|
|
def respond_to_missing?(id, priv)
|
|
!(id !~ /\Agadzoks\d+\z/) ^ priv
|
|
end
|
|
end
|
|
foo = c.new
|
|
assert_equal(false, foo.respond_to?("gadzooks16"))
|
|
assert_equal(true, foo.respond_to?("gadzooks17", true))
|
|
assert_equal(true, foo.respond_to?("gadzoks16"))
|
|
assert_equal(false, foo.respond_to?("gadzoks17", true))
|
|
end
|
|
|
|
def test_respond_to_missing
|
|
c = Class.new do
|
|
def respond_to_missing?(id, priv)
|
|
if id == :foobar
|
|
true
|
|
else
|
|
false
|
|
end
|
|
end
|
|
def method_missing(id, *args)
|
|
if id == :foobar
|
|
return [:foo, *args]
|
|
else
|
|
super
|
|
end
|
|
end
|
|
end
|
|
|
|
foo = c.new
|
|
assert_equal([:foo], foo.foobar);
|
|
assert_equal([:foo, 1], foo.foobar(1));
|
|
assert_equal([:foo, 1, 2, 3, 4, 5], foo.foobar(1, 2, 3, 4, 5));
|
|
assert_respond_to(foo, :foobar)
|
|
assert_not_respond_to(foo, :foobarbaz)
|
|
assert_raise(NoMethodError) do
|
|
foo.foobarbaz
|
|
end
|
|
|
|
foobar = foo.method(:foobar)
|
|
assert_equal(-1, foobar.arity);
|
|
assert_equal([:foo], foobar.call);
|
|
assert_equal([:foo, 1], foobar.call(1));
|
|
assert_equal([:foo, 1, 2, 3, 4, 5], foobar.call(1, 2, 3, 4, 5));
|
|
assert_equal(foobar, foo.method(:foobar))
|
|
assert_not_equal(foobar, c.new.method(:foobar))
|
|
|
|
c = Class.new(c)
|
|
assert_equal(false, c.method_defined?(:foobar))
|
|
assert_raise(NameError, '[ruby-core:25748]') do
|
|
c.instance_method(:foobar)
|
|
end
|
|
|
|
m = Module.new
|
|
assert_equal(false, m.method_defined?(:foobar))
|
|
assert_raise(NameError, '[ruby-core:25748]') do
|
|
m.instance_method(:foobar)
|
|
end
|
|
end
|
|
|
|
def test_implicit_respond_to
|
|
bug5158 = '[ruby-core:38799]'
|
|
|
|
p = Object.new
|
|
|
|
called = []
|
|
p.singleton_class.class_eval do
|
|
define_method(:to_ary) do
|
|
called << [:to_ary, bug5158]
|
|
end
|
|
end
|
|
[[p]].flatten
|
|
assert_equal([[:to_ary, bug5158]], called, bug5158)
|
|
|
|
called = []
|
|
p.singleton_class.class_eval do
|
|
define_method(:respond_to?) do |*a|
|
|
called << [:respond_to?, *a]
|
|
false
|
|
end
|
|
end
|
|
[[p]].flatten
|
|
assert_equal([[:respond_to?, :to_ary, true]], called, bug5158)
|
|
end
|
|
|
|
def test_implicit_respond_to_arity_1
|
|
p = Object.new
|
|
|
|
called = []
|
|
p.singleton_class.class_eval do
|
|
define_method(:respond_to?) do |a, priv = false|
|
|
called << [:respond_to?, a]
|
|
false
|
|
end
|
|
end
|
|
[[p]].flatten
|
|
assert_equal([[:respond_to?, :to_ary]], called, '[bug:6000]')
|
|
end
|
|
|
|
def test_implicit_respond_to_arity_3
|
|
p = Object.new
|
|
|
|
called = []
|
|
p.singleton_class.class_eval do
|
|
define_method(:respond_to?) do |a, b, c|
|
|
called << [:respond_to?, a, b, c]
|
|
false
|
|
end
|
|
end
|
|
|
|
msg = 'respond_to? must accept 1 or 2 arguments (requires 3)'
|
|
assert_raise_with_message(ArgumentError, msg, '[bug:6000]') do
|
|
[[p]].flatten
|
|
end
|
|
end
|
|
|
|
def test_method_missing_passed_block
|
|
bug5731 = '[ruby-dev:44961]'
|
|
|
|
c = Class.new do
|
|
def method_missing(meth, *args) yield(meth, *args) end
|
|
end
|
|
a = c.new
|
|
result = nil
|
|
assert_nothing_raised(LocalJumpError, bug5731) do
|
|
a.foo {|x| result = x}
|
|
end
|
|
assert_equal(:foo, result, bug5731)
|
|
result = nil
|
|
e = a.enum_for(:foo)
|
|
assert_nothing_raised(LocalJumpError, bug5731) do
|
|
e.each {|x| result = x}
|
|
end
|
|
assert_equal(:foo, result, bug5731)
|
|
|
|
c = Class.new do
|
|
def respond_to_missing?(id, priv)
|
|
true
|
|
end
|
|
def method_missing(id, *args, &block)
|
|
return block.call(:foo, *args)
|
|
end
|
|
end
|
|
foo = c.new
|
|
|
|
result = nil
|
|
assert_nothing_raised(LocalJumpError, bug5731) do
|
|
foo.foobar {|x| result = x}
|
|
end
|
|
assert_equal(:foo, result, bug5731)
|
|
result = nil
|
|
assert_nothing_raised(LocalJumpError, bug5731) do
|
|
foo.enum_for(:foobar).each {|x| result = x}
|
|
end
|
|
assert_equal(:foo, result, bug5731)
|
|
|
|
result = nil
|
|
foobar = foo.method(:foobar)
|
|
foobar.call {|x| result = x}
|
|
assert_equal(:foo, result, bug5731)
|
|
|
|
result = nil
|
|
foobar = foo.method(:foobar)
|
|
foobar.enum_for(:call).each {|x| result = x}
|
|
assert_equal(:foo, result, bug5731)
|
|
end
|
|
|
|
def test_send_with_no_arguments
|
|
assert_raise(ArgumentError) { 1.send }
|
|
end
|
|
|
|
def test_send_with_block
|
|
x = :ng
|
|
1.send(:times) { x = :ok }
|
|
assert_equal(:ok, x)
|
|
|
|
x = :ok
|
|
o = Object.new
|
|
def o.inspect
|
|
yield if block_given?
|
|
super
|
|
end
|
|
begin
|
|
nil.public_send(o) { x = :ng }
|
|
rescue TypeError
|
|
end
|
|
assert_equal(:ok, x)
|
|
end
|
|
|
|
def test_public_send
|
|
c = Class.new do
|
|
def pub
|
|
:ok
|
|
end
|
|
|
|
def invoke(m)
|
|
public_send(m)
|
|
end
|
|
|
|
protected
|
|
def prot
|
|
:ng
|
|
end
|
|
|
|
private
|
|
def priv
|
|
:ng
|
|
end
|
|
end.new
|
|
assert_equal(:ok, c.public_send(:pub))
|
|
assert_raise(NoMethodError) {c.public_send(:priv)}
|
|
assert_raise(NoMethodError) {c.public_send(:prot)}
|
|
assert_raise(NoMethodError) {c.invoke(:priv)}
|
|
bug7499 = '[ruby-core:50489]'
|
|
assert_raise(NoMethodError, bug7499) {c.invoke(:prot)}
|
|
end
|
|
|
|
def test_no_superclass_method
|
|
bug2312 = '[ruby-dev:39581]'
|
|
|
|
o = Object.new
|
|
e = assert_raise(NoMethodError) {
|
|
o.method(:__send__).call(:never_defined_test_no_superclass_method)
|
|
}
|
|
m1 = e.message
|
|
assert_no_match(/no superclass method/, m1, bug2312)
|
|
e = assert_raise(NoMethodError) {
|
|
o.method(:__send__).call(:never_defined_test_no_superclass_method)
|
|
}
|
|
assert_equal(m1, e.message, bug2312)
|
|
e = assert_raise(NoMethodError) {
|
|
o.never_defined_test_no_superclass_method
|
|
}
|
|
assert_equal(m1.lines.first, e.message.lines.first, bug2312)
|
|
end
|
|
|
|
def test_superclass_method
|
|
bug2312 = '[ruby-dev:39581]'
|
|
assert_in_out_err(["-e", "module Enumerable;undef min;end; (1..2).min{}"],
|
|
"", [], /no superclass method/, bug2312)
|
|
end
|
|
|
|
def test_specific_eval_with_wrong_arguments
|
|
assert_raise(ArgumentError) do
|
|
1.instance_eval("foo") { foo }
|
|
end
|
|
|
|
assert_raise(ArgumentError) do
|
|
1.instance_eval
|
|
end
|
|
|
|
assert_raise(ArgumentError) do
|
|
1.instance_eval("", 1, 1, 1)
|
|
end
|
|
end
|
|
|
|
class InstanceExec
|
|
INSTANCE_EXEC = 123
|
|
end
|
|
|
|
def test_instance_exec
|
|
x = 1.instance_exec(42) {|a| self + a }
|
|
assert_equal(43, x)
|
|
|
|
x = "foo".instance_exec("bar") {|a| self + a }
|
|
assert_equal("foobar", x)
|
|
|
|
assert_raise(NameError) do
|
|
InstanceExec.new.instance_exec { INSTANCE_EXEC }
|
|
end
|
|
end
|
|
|
|
def test_extend
|
|
assert_raise(ArgumentError) do
|
|
1.extend
|
|
end
|
|
end
|
|
|
|
def test_to_s
|
|
x = eval(<<-EOS)
|
|
class ToS\u{3042}
|
|
new.to_s
|
|
end
|
|
EOS
|
|
assert_match(/\bToS\u{3042}:/, x)
|
|
|
|
name = "X".freeze
|
|
x = Object.new
|
|
class<<x;self;end.class_eval {define_method(:to_s) {name}}
|
|
assert_same(name, x.to_s)
|
|
assert_equal("X", [x].join(""))
|
|
end
|
|
|
|
def test_inspect
|
|
x = Object.new
|
|
assert_match(/\A#<Object:0x\h+>\z/, x.inspect)
|
|
|
|
x.instance_variable_set(:@ivar, :value)
|
|
assert_match(/\A#<Object:0x\h+ @ivar=:value>\z/, x.inspect)
|
|
|
|
x = Object.new
|
|
x.instance_variable_set(:@recur, x)
|
|
assert_match(/\A#<Object:0x\h+ @recur=#<Object:0x\h+ \.\.\.>>\z/, x.inspect)
|
|
|
|
x = Object.new
|
|
x.instance_variable_set(:@foo, "value")
|
|
x.instance_variable_set(:@bar, 42)
|
|
assert_match(/\A#<Object:0x\h+ (?:@foo="value", @bar=42|@bar=42, @foo="value")>\z/, x.inspect)
|
|
|
|
# #inspect does not call #to_s anymore
|
|
feature6130 = '[ruby-core:43238]'
|
|
x = Object.new
|
|
def x.to_s
|
|
"to_s"
|
|
end
|
|
assert_match(/\A#<Object:0x\h+>\z/, x.inspect, feature6130)
|
|
|
|
x = eval(<<-EOS)
|
|
class Inspect\u{3042}
|
|
new.inspect
|
|
end
|
|
EOS
|
|
assert_match(/\bInspect\u{3042}:/, x)
|
|
|
|
x = eval(<<-EOS)
|
|
class Inspect\u{3042}
|
|
def initialize
|
|
@\u{3044} = 42
|
|
end
|
|
new
|
|
end
|
|
EOS
|
|
assert_match(/\bInspect\u{3042}:.* @\u{3044}=42\b/, x.inspect)
|
|
x.instance_variable_set("@\u{3046}".encode(Encoding::EUC_JP), 6)
|
|
assert_match(/@\u{3046}=6\b/, x.inspect)
|
|
end
|
|
|
|
def test_singleton_methods
|
|
assert_equal([], Object.new.singleton_methods)
|
|
assert_equal([], Object.new.singleton_methods(false))
|
|
c = Class.new
|
|
def c.foo; end
|
|
assert_equal([:foo], c.singleton_methods - [:yaml_tag])
|
|
assert_equal([:foo], c.singleton_methods(false))
|
|
assert_equal([], c.singleton_class.singleton_methods(false))
|
|
c.singleton_class.singleton_class
|
|
assert_equal([], c.singleton_class.singleton_methods(false))
|
|
|
|
o = c.new.singleton_class
|
|
assert_equal([:foo], o.singleton_methods - [:yaml_tag])
|
|
assert_equal([], o.singleton_methods(false))
|
|
o.singleton_class
|
|
assert_equal([:foo], o.singleton_methods - [:yaml_tag])
|
|
assert_equal([], o.singleton_methods(false))
|
|
|
|
c.extend(Module.new{def bar; end})
|
|
assert_equal([:bar, :foo], c.singleton_methods.sort - [:yaml_tag])
|
|
assert_equal([:foo], c.singleton_methods(false))
|
|
end
|
|
|
|
def test_singleton_class
|
|
x = Object.new
|
|
xs = class << x; self; end
|
|
assert_equal(xs, x.singleton_class)
|
|
|
|
y = Object.new
|
|
ys = y.singleton_class
|
|
assert_equal(class << y; self; end, ys)
|
|
|
|
assert_equal(NilClass, nil.singleton_class)
|
|
assert_equal(TrueClass, true.singleton_class)
|
|
assert_equal(FalseClass, false.singleton_class)
|
|
|
|
assert_raise(TypeError) do
|
|
123.singleton_class
|
|
end
|
|
assert_raise(TypeError) do
|
|
:foo.singleton_class
|
|
end
|
|
end
|
|
|
|
def test_redef_method_missing
|
|
bug5473 = '[ruby-core:40287]'
|
|
['ArgumentError.new("bug5473")', 'ArgumentError, "bug5473"', '"bug5473"'].each do |code|
|
|
exc = code[/\A[A-Z]\w+/] || 'RuntimeError'
|
|
assert_separately([], <<-SRC)
|
|
$VERBOSE = nil
|
|
class ::Object
|
|
def method_missing(m, *a, &b)
|
|
raise #{code}
|
|
end
|
|
end
|
|
|
|
assert_raise_with_message(#{exc}, "bug5473", #{bug5473.dump}) {1.foo}
|
|
SRC
|
|
end
|
|
end
|
|
|
|
def assert_not_initialize_copy
|
|
a = yield
|
|
b = yield
|
|
assert_nothing_raised("copy") {a.instance_eval {initialize_copy(b)}}
|
|
c = a.dup.freeze
|
|
assert_raise(FrozenError, "frozen") {c.instance_eval {initialize_copy(b)}}
|
|
d = a.dup
|
|
[a, b, c, d]
|
|
end
|
|
|
|
def test_bad_initialize_copy
|
|
assert_not_initialize_copy {Object.new}
|
|
assert_not_initialize_copy {[].to_enum}
|
|
assert_not_initialize_copy {Enumerator::Generator.new {}}
|
|
assert_not_initialize_copy {Enumerator::Yielder.new {}}
|
|
assert_not_initialize_copy {File.stat(__FILE__)}
|
|
assert_not_initialize_copy {open(__FILE__)}.each(&:close)
|
|
assert_not_initialize_copy {ARGF.class.new}
|
|
assert_not_initialize_copy {Random.new}
|
|
assert_not_initialize_copy {//}
|
|
assert_not_initialize_copy {/.*/.match("foo")}
|
|
st = Struct.new(:foo)
|
|
assert_not_initialize_copy {st.new}
|
|
end
|
|
|
|
def test_type_error_message
|
|
_issue = "Bug #7539"
|
|
assert_raise_with_message(TypeError, "can't convert Array into Integer") {Integer([42])}
|
|
assert_raise_with_message(TypeError, 'no implicit conversion of Array into Integer') {[].first([42])}
|
|
assert_raise_with_message(TypeError, "can't convert Array into Rational") {Rational([42])}
|
|
end
|
|
|
|
def test_copied_ivar_memory_leak
|
|
bug10191 = '[ruby-core:64700] [Bug #10191]'
|
|
assert_no_memory_leak([], <<-"end;", <<-"end;", bug10191, timeout: 60, limit: 1.8)
|
|
def (a = Object.new).set; @v = nil; end
|
|
num = 500_000
|
|
end;
|
|
num.times {a.clone.set}
|
|
end;
|
|
end
|
|
|
|
def test_clone_object_should_not_be_old
|
|
assert_normal_exit <<-EOS, '[Bug #13775]'
|
|
b = proc { }
|
|
10.times do |i|
|
|
b.clone
|
|
GC.start
|
|
end
|
|
EOS
|
|
end
|
|
|
|
def test_frozen_inspect
|
|
obj = Object.new
|
|
obj.instance_variable_set(:@a, "a")
|
|
ins = obj.inspect
|
|
obj.freeze
|
|
|
|
assert_equal(ins, obj.inspect)
|
|
end
|
|
end
|