summaryrefslogtreecommitdiff
path: root/test/-ext-/symbol/test_inadvertent_creation.rb
blob: b180d08b040fb49710b08848138d604a89a8bf22 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
require 'test/unit'
require "-test-/symbol"

module Test_Symbol
  class TestInadvertent < Test::Unit::TestCase
    def noninterned_name(prefix = "")
      prefix += "_#{Thread.current.object_id.to_s(36).tr('-', '_')}"
      begin
        name = "#{prefix}_#{rand(0x1000).to_s(16)}_#{Time.now.usec}"
      end while Bug::Symbol.find(name)
      name
    end

    def setup
      @obj = Object.new
    end

    def assert_not_pinneddown(name, msg = nil)
      assert_not_send([Bug::Symbol, :pinneddown?, name], msg)
    end

    def assert_not_interned(name, msg = nil)
      assert_not_send([Bug::Symbol, :find, name], msg)
    end

    def assert_not_interned_error(obj, meth, name, msg = nil, &block)
      e = assert_raise(NameError, msg) {obj.__send__(meth, name, &block)}
      if Symbol === name
        assert_not_pinneddown(name, msg)
      else
        assert_not_interned(name, msg)
      end
      e
    end

    def assert_not_interned_false(obj, meth, name, msg = nil)
      assert_not_send([obj, meth, name], msg)
      if Symbol === name
        assert_not_pinneddown(name, msg)
      else
        assert_not_interned(name, msg)
      end
    end

    Feature5072 = '[ruby-core:38367]'

    def test_module_const_get
      cl = Class.new
      name = noninterned_name("A")

      assert_not_interned_error(cl, :const_get, name, Feature5072)

      assert_not_interned_error(cl, :const_get, name.to_sym)
    end

    def test_module_const_defined?
      cl = Class.new
      name = noninterned_name("A")

      assert_not_interned_false(cl, :const_defined?, name, Feature5072)

      name = noninterned_name
      assert_not_interned_error(cl, :const_defined?, name.to_sym)
    end

    def test_respond_to_missing
      feature5072 = Feature5072
      c = Class.new do
        def self.respond_to_missing?(*)
          super
        end
      end
      s = noninterned_name

      # assert_not_interned_false(c, :respond_to?, s, feature5072)
      assert_not_interned_false(c, :method_defined?, s, feature5072)
      assert_not_interned_false(c, :public_method_defined?, s, feature5072)
      assert_not_interned_false(c, :private_method_defined?, s, feature5072)
      assert_not_interned_false(c, :protected_method_defined?, s, feature5072)
      assert_not_interned_false(c, :const_defined?, noninterned_name("A"), feature5072)
      assert_not_interned_false(c, :instance_variable_defined?, noninterned_name("@"), feature5072)
      assert_not_interned_false(c, :class_variable_defined?, noninterned_name("@@"), feature5072)
    end

    Feature5079 = '[ruby-core:38404]'

    def test_undefined_instance_variable
      feature5079 = feature5079
      c = Class.new
      iv = noninterned_name("@")

      assert_not_interned_false(c, :instance_variable_get, iv, feature5079)
      assert_not_interned_error(c, :remove_instance_variable, iv, feature5079)
    end

    def test_undefined_class_variable
      feature5079 = feature5079
      c = Class.new
      cv = noninterned_name("@@")

      assert_not_interned_error(c, :class_variable_get, cv, feature5079)
      assert_not_interned_error(c, :remove_class_variable, cv, feature5079)
    end


    def test_undefined_const
      feature5079 = feature5079
      c = Class.new
      s = noninterned_name("A")

      assert_not_interned_error(c, :remove_const, s, feature5079)
    end

    def test_undefined_method
      feature5079 = feature5079
      c = Class.new
      s = noninterned_name

      assert_not_interned_error(c, :method, s, feature5079)
      assert_not_interned_error(c, :public_method, s, feature5079)
      assert_not_interned_error(c, :instance_method, s, feature5079)
      assert_not_interned_error(c, :public_instance_method, s, feature5079)
    end

    Feature5089 = '[ruby-core:38447]'
    def test_const_missing
      feature5089 = Feature5089
      c = Class.new do
        def self.const_missing(const_name)
          raise NameError, const_name.to_s
        end
      end
      s = noninterned_name("A")

      assert_not_interned_error(c, :const_get, s.to_sym, feature5089)
      assert_not_interned_false(c, :autoload?, s.to_sym, feature5089)
    end

    def test_aliased_method
      feature5089 = Feature5089
      c = Class.new do
        def self.alias_method(str)
          super(:puts, str)
        end
      end
      s = noninterned_name

      assert_not_interned_error(c, :alias_method, s, feature5089)
      assert_not_interned_error(c, :private_class_method, s, feature5089)
      assert_not_interned_error(c, :private_constant, s, feature5089)
      assert_not_interned_error(c, :private, s, feature5089)
      assert_not_interned_error(c, :protected, s, feature5089)
      assert_not_interned_error(c, :public, s, feature5089)
      assert_not_interned_error(c, :public_class_method, s, feature5089)
      assert_not_interned_error(c, :public_constant, s, feature5089)
      assert_not_interned_error(c, :remove_method, s, feature5089)
      assert_not_interned_error(c, :undef_method, s, feature5089)
      assert_not_interned_error(c, :untrace_var, s, feature5089)
    end

    Feature5112 = '[ruby-core:38576]'

    def test_public_send
      name = noninterned_name
      e = assert_raise(NoMethodError) {@obj.public_send(name, Feature5112)}
      assert_not_interned(name)
      assert_equal(name, e.name)
      assert_equal([Feature5112], e.args)
    end

    def test_send
      name = noninterned_name
      e = assert_raise(NoMethodError) {@obj.send(name, Feature5112)}
      assert_not_interned(name)
      assert_equal(name, e.name)
      assert_equal([Feature5112], e.args)
    end

    def test___send__
      name = noninterned_name
      e = assert_raise(NoMethodError) {@obj.__send__(name, Feature5112)}
      assert_not_interned(name)
      assert_equal(name, e.name)
      assert_equal([Feature5112], e.args)
    end

    def test_thread_aref
      Thread.current[:test] = nil
      name = noninterned_name
      assert_nil(Thread.current[name])
      assert_not_interned(name)
    end

    def test_thread_key?
      Thread.current[:test] = nil
      name = noninterned_name
      assert_not_send([Thread.current, :key?, name])
      assert_not_interned(name)
    end

    def test_thread_variable_get
      Thread.current.thread_variable_set(:test, nil)
      name = noninterned_name
      assert_nil(Thread.current.thread_variable_get(name))
      assert_not_pinneddown(name)
    end

    def test_thread_variable_set
      name = noninterned_name
      Thread.current.thread_variable_set(name, 42)
      assert_not_pinneddown(name)
    end

    def test_thread_variable?
      Thread.current.thread_variable_set(:test, nil)
      name = noninterned_name
      assert_not_send([Thread.current, :thread_variable?, name])
      assert_not_interned(name)
    end

    def test_enumerable_inject_op
      name = noninterned_name
      assert_raise(NoMethodError) {[1, 2].inject(name)}
      assert_not_interned(name)
    end

    def test_module_const_set
      name = noninterned_name
      mod = Module.new
      assert_raise(NameError) {mod.const_set(name, true)}
      assert_not_interned(name)
      assert_raise(NameError) {mod.const_set(name.to_sym, true)}
      assert_not_pinneddown(name)
    end

    def test_module_cvar_set
      name = noninterned_name
      mod = Module.new
      assert_raise(NameError) {mod.class_variable_set(name, true)}
      assert_not_interned(name)
      assert_raise(NameError) {mod.class_variable_set(name.to_sym, true)}
      assert_not_pinneddown(name)
    end

    def test_object_ivar_set
      name = noninterned_name
      obj = Object.new
      assert_raise(NameError) {obj.instance_variable_set(name, true)}
      assert_not_interned(name)
      assert_raise(NameError) {obj.instance_variable_set(name.to_sym, true)}
      assert_not_pinneddown(name)
    end

    def test_struct_new
      name = noninterned_name
      assert_raise(NameError) {Struct.new(name)}
      assert_not_interned(name)
    end

    def test_struct_aref
      s = Struct.new(:foo).new
      name = noninterned_name
      assert_raise(NameError) {s[name]}
      assert_not_interned(name)
    end

    def test_struct_aset
      s = Struct.new(:foo).new
      name = noninterned_name
      assert_raise(NameError) {s[name] = true}
      assert_not_interned(name)
    end

    def test_invalid_attr
      name = noninterned_name("*")
      mod = Module.new
      assert_raise(NameError) {mod.module_eval {attr(name)}}
      assert_not_interned(name)
      assert_raise(NameError) {mod.module_eval {attr(name.to_sym)}}
      assert_not_pinneddown(name)
    end

    def test_invalid_attr_reader
      name = noninterned_name("*")
      mod = Module.new
      assert_raise(NameError) {mod.module_eval {attr_reader(name)}}
      assert_not_interned(name)
      assert_raise(NameError) {mod.module_eval {attr_reader(name.to_sym)}}
      assert_not_pinneddown(name)
    end

    def test_invalid_attr_writer
      name = noninterned_name("*")
      mod = Module.new
      assert_raise(NameError) {mod.module_eval {attr_writer(name)}}
      assert_not_interned(name)
      assert_raise(NameError) {mod.module_eval {attr_writer(name.to_sym)}}
      assert_not_pinneddown(name)
    end

    def test_invalid_attr_accessor
      name = noninterned_name("*")
      mod = Module.new
      assert_raise(NameError) {mod.module_eval {attr_accessor(name)}}
      assert_not_interned(name)
      assert_raise(NameError) {mod.module_eval {attr_accessor(name.to_sym)}}
      assert_not_pinneddown(name)
    end

    def test_gc_attrset
      assert_separately(['-r-test-/symbol', '-', '[ruby-core:62226] [Bug #9787]'], <<-'end;') #    begin
      bug = ARGV.shift
      def noninterned_name(prefix = "")
        prefix += "_#{Thread.current.object_id.to_s(36).tr('-', '_')}"
        begin
          name = "#{prefix}_#{rand(0x1000).to_s(16)}_#{Time.now.usec}"
        end while Bug::Symbol.find(name) or Bug::Symbol.find(name + "=")
        name
      end
      names = Array.new(1000) {noninterned_name("gc")}
      names.each {|n| n.to_sym}
      GC.start(immediate_sweep: false)
      names.each do |n|
        eval(":#{n}=")
        assert_nothing_raised(TypeError, bug) {eval("proc{self.#{n} = nil}")}
      end
      end;
    end

    def test_execopt_key
      name = noninterned_name.intern
      assert_raise(ArgumentError) {
        system(".", name => nil)
      }
      assert_not_pinneddown(name)
    end

    def test_execopt_redirect_value
      name = noninterned_name.intern
      assert_raise(ArgumentError) {
        system(".", [] => name)
      }
      assert_not_pinneddown(name)
    end

    def test_execopt_redirect_path
      name = noninterned_name.intern
      assert_raise(TypeError) {
        system(".", [] => [name, 0])
      }
      assert_not_pinneddown(name)
    end

    def test_execopt_redirect_symbol
      name = noninterned_name.intern
      assert_raise(ArgumentError) {
        system(".", in: name)
      }
      assert_not_pinneddown(name)
    end
  end
end