[439] | 1 | assert('Kernel#send', '15.3.1.3.44') do
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| 2 | # test with block
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| 3 | l = send(:lambda) do
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| 4 | true
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| 5 | end
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| 6 |
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| 7 | assert_true l.call
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| 8 | assert_equal l.class, Proc
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| 9 | # test with argument
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| 10 | assert_true send(:respond_to?, :nil?)
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| 11 | # test without argument and without block
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| 12 | assert_equal send(:to_s).class, String
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| 13 | end
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| 14 |
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| 15 | assert('Kernel#instance_variable_defined?', '15.3.1.3.20') do
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| 16 | o = Object.new
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| 17 | o.instance_variable_set(:@a, 1)
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| 18 |
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| 19 | assert_true o.instance_variable_defined?("@a")
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| 20 | assert_false o.instance_variable_defined?("@b")
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| 21 | assert_true o.instance_variable_defined?("@a"[0,2])
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| 22 | assert_true o.instance_variable_defined?("@abc"[0,2])
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| 23 | assert_raise(NameError) { o.instance_variable_defined?("@0") }
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| 24 | end
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| 25 |
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| 26 | assert('Kernel#instance_variable_get', '15.3.1.3.21') do
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| 27 | o = Class.new { attr_accessor :foo, :bar }.new
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| 28 | o.foo = "one"
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| 29 | o.bar = 2
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| 30 | assert_equal("one", o.instance_variable_get(:@foo))
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| 31 | assert_equal(2, o.instance_variable_get("@bar"))
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| 32 | assert_equal(nil, o.instance_variable_get(:@baz))
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| 33 | %w[foo @1].each do |n|
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| 34 | assert_raise(NameError) { o.instance_variable_get(n) }
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| 35 | end
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| 36 | end
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| 37 |
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| 38 | assert('Kernel#instance_variable_set', '15.3.1.3.22') do
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| 39 | o = Class.new { attr_reader :foo, :_bar }.new
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| 40 | assert_equal("one", o.instance_variable_set(:@foo, "one"))
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| 41 | assert_equal("one", o.foo)
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| 42 | assert_equal(2, o.instance_variable_set("@_bar", 2))
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| 43 | assert_equal(2, o._bar)
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| 44 | %w[@6 @% @@a @ a].each do |n|
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| 45 | assert_raise(NameError) { o.instance_variable_set(n, 1) }
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| 46 | end
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| 47 | assert_raise(FrozenError) { o.freeze.instance_variable_set(:@a, 2) }
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| 48 | assert_raise(FrozenError, ArgumentError) { nil.instance_variable_set(:@a, 2) }
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| 49 | end
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| 50 |
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| 51 | assert('Kernel#instance_variables', '15.3.1.3.23') do
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| 52 | o = Object.new
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| 53 | o.instance_eval do
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| 54 | @a = 11
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| 55 | @b = 12
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| 56 | end
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| 57 | ivars = o.instance_variables
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| 58 |
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| 59 | assert_equal Array, ivars.class,
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| 60 | assert_equal(2, ivars.size)
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| 61 | assert_true ivars.include?(:@a)
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| 62 | assert_true ivars.include?(:@b)
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| 63 | end
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| 64 |
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| 65 | assert('Kernel#methods', '15.3.1.3.31') do
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| 66 | assert_equal Array, methods.class
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| 67 | end
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| 68 |
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| 69 | assert('Kernel#private_methods', '15.3.1.3.36') do
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| 70 | assert_equal Array, private_methods.class
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| 71 | end
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| 72 |
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| 73 | assert('Kernel#protected_methods', '15.3.1.3.37') do
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| 74 | assert_equal Array, protected_methods.class
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| 75 | end
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| 76 |
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| 77 | assert('Kernel#public_methods', '15.3.1.3.38') do
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| 78 | assert_equal Array, public_methods.class
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| 79 | class Foo
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| 80 | def foo
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| 81 | end
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| 82 | end
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| 83 | assert_equal [:foo], Foo.new.public_methods(false)
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| 84 | end
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| 85 |
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| 86 | assert('Kernel#singleton_methods', '15.3.1.3.45') do
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| 87 | assert_equal singleton_methods.class, Array
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| 88 | end
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| 89 |
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| 90 | assert('Kernel.global_variables', '15.3.1.2.4') do
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| 91 | assert_equal Array, Kernel.global_variables.class
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| 92 | end
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| 93 |
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| 94 | assert('Kernel#global_variables', '15.3.1.3.14') do
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| 95 | variables1 = global_variables
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| 96 | assert_equal Array, variables1.class
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| 97 | assert_not_include(variables1, :$kernel_global_variables_test)
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| 98 |
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| 99 | $kernel_global_variables_test = nil
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| 100 | variables2 = global_variables
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| 101 | assert_include(variables2, :$kernel_global_variables_test)
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| 102 | assert_equal(1, variables2.size - variables1.size)
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| 103 | end
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| 104 |
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| 105 | assert('Kernel.local_variables', '15.3.1.2.7') do
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| 106 | a, b = 0, 1
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| 107 | a += b
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| 108 |
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| 109 | vars = Kernel.local_variables.sort
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| 110 | assert_equal [:a, :b, :vars], vars
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| 111 |
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| 112 | assert_equal [:a, :b, :c, :vars], Proc.new { |a, b|
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| 113 | c = 2
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| 114 | # Kernel#local_variables: 15.3.1.3.28
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| 115 | local_variables.sort
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| 116 | }.call(-1, -2)
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| 117 | end
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| 118 |
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| 119 | assert('Kernel#define_singleton_method') do
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| 120 | o = Object.new
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| 121 | ret = o.define_singleton_method(:test_method) do
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| 122 | :singleton_method_ok
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| 123 | end
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| 124 | assert_equal :test_method, ret
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| 125 | assert_equal :singleton_method_ok, o.test_method
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| 126 | assert_raise(TypeError) { 2.define_singleton_method(:f){} }
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| 127 | assert_raise(FrozenError) { [].freeze.define_singleton_method(:f){} }
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| 128 | end
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| 129 |
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| 130 | assert('Kernel#singleton_class') do
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| 131 | o1 = Object.new
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| 132 | assert_same(o1.singleton_class, class << o1; self end)
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| 133 |
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| 134 | o2 = Object.new
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| 135 | sc2 = class << o2; self end
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| 136 | assert_same(o2.singleton_class, sc2)
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| 137 |
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| 138 | o3 = Object.new
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| 139 | sc3 = o3.singleton_class
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| 140 | o3.freeze
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| 141 | assert_predicate(sc3, :frozen?)
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| 142 |
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| 143 | assert_predicate(Object.new.freeze.singleton_class, :frozen?)
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| 144 | end
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| 145 |
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| 146 | def labeled_module(name, &block)
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| 147 | Module.new do
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| 148 | (class <<self; self end).class_eval do
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| 149 | define_method(:to_s) { name }
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| 150 | alias_method :inspect, :to_s
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| 151 | end
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| 152 | class_eval(&block) if block
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| 153 | end
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| 154 | end
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| 155 |
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| 156 | def labeled_class(name, supklass = Object, &block)
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| 157 | Class.new(supklass) do
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| 158 | (class <<self; self end).class_eval do
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| 159 | define_method(:to_s) { name }
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| 160 | alias_method :inspect, :to_s
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| 161 | end
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| 162 | class_eval(&block) if block
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| 163 | end
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| 164 | end
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| 165 |
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| 166 | assert('Module#class_variable_defined?', '15.2.2.4.16') do
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| 167 | class Test4ClassVariableDefined
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| 168 | @@cv = 99
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| 169 | end
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| 170 |
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| 171 | assert_true Test4ClassVariableDefined.class_variable_defined?(:@@cv)
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| 172 | assert_false Test4ClassVariableDefined.class_variable_defined?(:@@noexisting)
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| 173 | assert_raise(NameError) { Test4ClassVariableDefined.class_variable_defined?("@@2") }
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| 174 | end
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| 175 |
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| 176 | assert('Module#class_variable_get', '15.2.2.4.17') do
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| 177 | class Test4ClassVariableGet
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| 178 | @@cv = 99
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| 179 | end
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| 180 |
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| 181 | assert_equal 99, Test4ClassVariableGet.class_variable_get(:@@cv)
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| 182 | assert_raise(NameError) { Test4ClassVariableGet.class_variable_get(:@@a) }
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| 183 | %w[@@a? @@! @a a].each do |n|
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| 184 | assert_raise(NameError) { Test4ClassVariableGet.class_variable_get(n) }
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| 185 | end
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| 186 | end
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| 187 |
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| 188 | assert('Module#class_variable_set', '15.2.2.4.18') do
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| 189 | class Test4ClassVariableSet
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| 190 | @@foo = 100
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| 191 | def foo
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| 192 | @@foo
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| 193 | end
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| 194 | end
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| 195 | assert_equal 99, Test4ClassVariableSet.class_variable_set(:@@cv, 99)
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| 196 | assert_equal 101, Test4ClassVariableSet.class_variable_set(:@@foo, 101)
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| 197 | assert_true Test4ClassVariableSet.class_variables.include? :@@cv
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| 198 | assert_equal 99, Test4ClassVariableSet.class_variable_get(:@@cv)
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| 199 | assert_equal 101, Test4ClassVariableSet.new.foo
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| 200 | %w[@@ @@1 @@x= @x @ x 1].each do |n|
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| 201 | assert_raise(NameError) { Test4ClassVariableSet.class_variable_set(n, 1) }
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| 202 | end
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| 203 |
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| 204 | m = Module.new.freeze
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| 205 | assert_raise(FrozenError) { m.class_variable_set(:@@cv, 1) }
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| 206 |
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| 207 | parent = Class.new{ class_variable_set(:@@a, nil) }.freeze
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| 208 | child = Class.new(parent)
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| 209 | assert_raise(FrozenError) { child.class_variable_set(:@@a, 1) }
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| 210 | end
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| 211 |
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| 212 | assert('Module#class_variables', '15.2.2.4.19') do
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| 213 | class Test4ClassVariables1
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| 214 | @@var1 = 1
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| 215 | end
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| 216 | class Test4ClassVariables2 < Test4ClassVariables1
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| 217 | @@var2 = 2
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| 218 | end
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| 219 |
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| 220 | assert_equal [:@@var1], Test4ClassVariables1.class_variables
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| 221 | assert_equal [:@@var2, :@@var1], Test4ClassVariables2.class_variables
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| 222 | end
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| 223 |
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| 224 | assert('Module#constants', '15.2.2.4.24') do
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| 225 | $n = []
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| 226 | module TestA
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| 227 | C = 1
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| 228 | end
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| 229 | class TestB
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| 230 | include TestA
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| 231 | C2 = 1
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| 232 | $n = constants.sort
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| 233 | end
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| 234 |
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| 235 | assert_equal [ :C ], TestA.constants
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| 236 | assert_equal [ :C, :C2 ], $n
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| 237 | end
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| 238 |
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| 239 | assert('Module#included_modules', '15.2.2.4.30') do
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| 240 | module Test4includedModules
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| 241 | end
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| 242 | module Test4includedModules2
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| 243 | include Test4includedModules
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| 244 | end
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| 245 | r = Test4includedModules2.included_modules
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| 246 |
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| 247 | assert_equal Array, r.class
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| 248 | assert_true r.include?(Test4includedModules)
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| 249 | end
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| 250 |
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| 251 | assert('Module#instance_methods', '15.2.2.4.33') do
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| 252 | module Test4InstanceMethodsA
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| 253 | def method1() end
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| 254 | end
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| 255 | class Test4InstanceMethodsB
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| 256 | def method2() end
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| 257 | end
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| 258 | class Test4InstanceMethodsC < Test4InstanceMethodsB
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| 259 | def method3() end
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| 260 | end
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| 261 |
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| 262 | r = Test4InstanceMethodsC.instance_methods(true)
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| 263 |
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| 264 | assert_equal [:method1], Test4InstanceMethodsA.instance_methods
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| 265 | assert_equal [:method2], Test4InstanceMethodsB.instance_methods(false)
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| 266 | assert_equal [:method3], Test4InstanceMethodsC.instance_methods(false)
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| 267 | assert_equal Array, r.class
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| 268 | assert_true r.include?(:method3)
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| 269 | assert_true r.include?(:method2)
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| 270 | end
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| 271 |
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| 272 | assert 'Module#prepend #instance_methods(false)' do
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| 273 | bug6660 = '[ruby-dev:45863]'
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| 274 | assert_equal([:m1], Class.new{ prepend Module.new; def m1; end }.instance_methods(false), bug6660)
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| 275 | assert_equal([:m1], Class.new(Class.new{def m2;end}){ prepend Module.new; def m1; end }.instance_methods(false), bug6660)
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| 276 | end
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| 277 |
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| 278 | assert('Module#remove_class_variable', '15.2.2.4.39') do
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| 279 | class Test4RemoveClassVariable
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| 280 | @@cv = 99
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| 281 | end
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| 282 |
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| 283 | assert_equal 99, Test4RemoveClassVariable.remove_class_variable(:@@cv)
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| 284 | assert_false Test4RemoveClassVariable.class_variables.include? :@@cv
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| 285 | assert_raise(NameError) do
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| 286 | Test4RemoveClassVariable.remove_class_variable(:@@cv)
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| 287 | end
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| 288 | assert_raise(NameError) do
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| 289 | Test4RemoveClassVariable.remove_class_variable(:@v)
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| 290 | end
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| 291 | assert_raise(FrozenError) do
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| 292 | Test4RemoveClassVariable.freeze.remove_class_variable(:@@cv)
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| 293 | end
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| 294 | end
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| 295 |
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| 296 | assert('Module#remove_method', '15.2.2.4.41') do
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| 297 | module Test4RemoveMethod
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| 298 | class Parent
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| 299 | def hello
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| 300 | end
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| 301 | end
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| 302 |
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| 303 | class Child < Parent
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| 304 | def hello
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| 305 | end
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| 306 | end
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| 307 | end
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| 308 |
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| 309 | klass = Test4RemoveMethod::Child
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| 310 | assert_same klass, klass.class_eval{ remove_method :hello }
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| 311 | assert_true klass.instance_methods.include? :hello
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| 312 | assert_false klass.instance_methods(false).include? :hello
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| 313 | assert_raise(FrozenError) { klass.freeze.remove_method :m }
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| 314 | end
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| 315 |
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| 316 | assert('Module.nesting', '15.2.2.2.2') do
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| 317 | module Test4ModuleNesting
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| 318 | module Test4ModuleNesting2
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| 319 | assert_equal [Test4ModuleNesting2, Test4ModuleNesting],
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| 320 | Module.nesting
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| 321 | end
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| 322 | end
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| 323 | module Test4ModuleNesting::Test4ModuleNesting2
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| 324 | assert_equal [Test4ModuleNesting::Test4ModuleNesting2], Module.nesting
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| 325 | end
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| 326 | end
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| 327 |
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| 328 | assert('Moduler#prepend + #instance_methods') do
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| 329 | bug6655 = '[ruby-core:45915]'
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| 330 | assert_equal(Object.instance_methods, Class.new {prepend Module.new}.instance_methods, bug6655)
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| 331 | end
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| 332 |
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| 333 | assert 'Module#prepend + #singleton_methods' do
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| 334 | o = Object.new
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| 335 | o.singleton_class.class_eval {prepend Module.new}
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| 336 | assert_equal([], o.singleton_methods)
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| 337 | end
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| 338 |
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| 339 | assert 'Module#prepend + #remove_method' do
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| 340 | c = Class.new do
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| 341 | prepend Module.new { def foo; end }
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| 342 | end
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| 343 | assert_raise(NameError) do
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| 344 | c.class_eval do
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| 345 | remove_method(:foo)
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| 346 | end
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| 347 | end
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| 348 | c.class_eval do
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| 349 | def foo; end
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| 350 | end
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| 351 | removed = nil
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| 352 | c.singleton_class.class_eval do
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| 353 | define_method(:method_removed) {|id| removed = id}
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| 354 | end
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| 355 | assert_nothing_raised('[Bug #7843]') do
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| 356 | c.class_eval do
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| 357 | remove_method(:foo)
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| 358 | end
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| 359 | end
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| 360 | assert_equal(:foo, removed)
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| 361 | end
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| 362 |
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| 363 | assert 'Module#prepend + #included_modules' do
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| 364 | bug8025 = '[ruby-core:53158] [Bug #8025]'
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| 365 | mixin = labeled_module("mixin")
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| 366 | c = labeled_module("c") {prepend mixin}
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| 367 | im = c.included_modules
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| 368 | assert_not_include(im, c, bug8025)
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| 369 | assert_include(im, mixin, bug8025)
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| 370 | c1 = labeled_class("c1") {prepend mixin}
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| 371 | c2 = labeled_class("c2", c1)
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| 372 | im = c2.included_modules
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| 373 | assert_not_include(im, c1, bug8025)
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| 374 | assert_not_include(im, c2, bug8025)
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| 375 | assert_include(im, mixin, bug8025)
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| 376 | end
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| 377 |
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| 378 | assert("remove_method doesn't segfault if the passed in argument isn't a symbol") do
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| 379 | klass = Class.new
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| 380 | assert_raise(TypeError) { klass.remove_method nil }
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| 381 | assert_raise(TypeError) { klass.remove_method 123 }
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| 382 | assert_raise(TypeError) { klass.remove_method 1.23 }
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| 383 | assert_raise(NameError) { klass.remove_method "hello" }
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| 384 | assert_raise(TypeError) { klass.remove_method Class.new }
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| 385 | end
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| 386 |
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| 387 | assert('alias_method and remove_method') do
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| 388 | begin
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| 389 | Fixnum.alias_method :to_s_, :to_s
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| 390 | Fixnum.remove_method :to_s
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| 391 |
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| 392 | assert_nothing_raised do
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| 393 | # segfaults if mrb_cptr is used
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| 394 | 1.to_s
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| 395 | end
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| 396 | ensure
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| 397 | Fixnum.alias_method :to_s, :to_s_
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| 398 | Fixnum.remove_method :to_s_
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| 399 | end
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| 400 | end
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