aboutsummaryrefslogtreecommitdiffstats
path: root/test/ruby/test_literal.rb
blob: c37b2065390d1e3eecbf0cf4374a14f112fe546c (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
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
# -*- coding: us-ascii -*-
# frozen_string_literal: false
require 'test/unit'

class TestRubyLiteral < Test::Unit::TestCase

  def test_special_const
    assert_equal 'true', true.inspect
    assert_instance_of TrueClass, true
    assert_equal 'false', false.inspect
    assert_instance_of FalseClass, false
    assert_equal 'nil', nil.inspect
    assert_instance_of NilClass, nil
    assert_equal ':sym', :sym.inspect
    assert_instance_of Symbol, :sym
    assert_equal '1234', 1234.inspect
    assert_instance_of Integer, 1234
    assert_equal '1234', 1_2_3_4.inspect
    assert_instance_of Integer, 1_2_3_4
    assert_equal '18', 0x12.inspect
    assert_instance_of Integer, 0x12
    assert_raise(SyntaxError) { eval("0x") }
    assert_equal '15', 0o17.inspect
    assert_instance_of Integer, 0o17
    assert_raise(SyntaxError) { eval("0o") }
    assert_equal '5', 0b101.inspect
    assert_instance_of Integer, 0b101
    assert_raise(SyntaxError) { eval("0b") }
    assert_equal '123456789012345678901234567890', 123456789012345678901234567890.inspect
    assert_instance_of Integer, 123456789012345678901234567890
    assert_instance_of Float, 1.3
    assert_equal '2', eval("0x00+2").inspect
  end

  def test_self
    assert_equal self, self
    assert_instance_of TestRubyLiteral, self
    assert_respond_to self, :test_self
  end

  def test_string
    assert_instance_of String, ?a
    assert_equal "a", ?a
    assert_instance_of String, ?A
    assert_equal "A", ?A
    assert_instance_of String, ?\n
    assert_equal "\n", ?\n
    assert_equal " ", ?\   # space
    assert_equal '', ''
    assert_equal 'string', 'string'
    assert_equal 'string string', 'string string'
    assert_equal ' ', ' '
    assert_equal ' ', " "
    assert_equal "\0", "\0"
    assert_equal "\1", "\1"
    assert_equal "3", "\x33"
    assert_equal "\n", "\n"
    bug2500 = '[ruby-core:27228]'
    bug5262 = '[ruby-core:39222]'
    %w[c C- M-].each do |pre|
      ["u", %w[u{ }]].each do |open, close|
        ["?", ['"', '"']].each do |qopen, qclose|
          str = "#{qopen}\\#{pre}\\#{open}5555#{close}#{qclose}"
          assert_raise(SyntaxError, "#{bug2500} eval(#{str})") {eval(str)}

          str = "#{qopen}\\#{pre}\\#{open}\u201c#{close}#{qclose}"
          assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}

          str = "#{qopen}\\#{pre}\\#{open}\u201c#{close}#{qclose}".encode("euc-jp")
          assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}

          str = "#{qopen}\\#{pre}\\#{open}\u201c#{close}#{qclose}".encode("iso-8859-13")
          assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}

          str = "#{qopen}\\#{pre}\\#{open}\xe2\x7f#{close}#{qclose}".force_encoding("utf-8")
          assert_raise(SyntaxError, "#{bug5262} eval(#{str})") {eval(str)}
        end
      end
    end
    bug6069 = '[ruby-dev:45278]'
    assert_equal "\x13", "\c\x33"
    assert_equal "\x13", "\C-\x33"
    assert_equal "\xB3", "\M-\x33"
    assert_equal "\u201c", eval(%["\\\u{201c}"]), bug5262
    assert_equal "\u201c".encode("euc-jp"), eval(%["\\\u{201c}"].encode("euc-jp")), bug5262
    assert_equal "\u201c".encode("iso-8859-13"), eval(%["\\\u{201c}"].encode("iso-8859-13")), bug5262
    assert_equal "\\\u201c", eval(%['\\\u{201c}']), bug6069
    assert_equal "\\\u201c".encode("euc-jp"), eval(%['\\\u{201c}'].encode("euc-jp")), bug6069
    assert_equal "\\\u201c".encode("iso-8859-13"), eval(%['\\\u{201c}'].encode("iso-8859-13")), bug6069
    assert_equal "\u201c", eval(%[?\\\u{201c}]), bug6069
    assert_equal "\u201c".encode("euc-jp"), eval(%[?\\\u{201c}].encode("euc-jp")), bug6069
    assert_equal "\u201c".encode("iso-8859-13"), eval(%[?\\\u{201c}].encode("iso-8859-13")), bug6069
  end

  def test_dstring
    assert_equal '2', "#{1+1}"
    assert_equal '16', "#{2 ** 4}"
    s = "string"
    assert_equal s, "#{s}"
    a = 'Foo'
    b = "#{a}" << 'Bar'
    assert_equal('Foo', a, 'r3842')
    assert_equal('FooBar', b, 'r3842')
  end

  def test_dstring_encoding
    bug11519 = '[ruby-core:70703] [Bug #11519]'
    ['"foo#{}"', '"#{}foo"', '"#{}"'].each do |code|
      a = eval("#-*- coding: utf-8 -*-\n#{code}")
      assert_equal(Encoding::UTF_8, a.encoding,
                   proc{"#{bug11519}: #{code}.encoding"})
    end
  end

  def test_dsymbol
    assert_equal :a3c, :"a#{1+2}c"
  end

  def test_xstring
    assert_equal "foo\n", `echo foo`
    s = 'foo'
    assert_equal "foo\n", `echo #{s}`
  end

  def test_frozen_string
    all_assertions do |a|
      a.for("false with indicator") do
        str = eval("# -*- frozen-string-literal: false -*-\n""'foo'")
        assert_not_predicate(str, :frozen?)
      end
      a.for("true with indicator") do
        str = eval("# -*- frozen-string-literal: true -*-\n""'foo'")
        assert_predicate(str, :frozen?)
      end
      a.for("false without indicator") do
        str = eval("# frozen-string-literal: false\n""'foo'")
        assert_not_predicate(str, :frozen?)
      end
      a.for("true without indicator") do
        str = eval("# frozen-string-literal: true\n""'foo'")
        assert_predicate(str, :frozen?)
      end
      a.for("false with preceding garbage") do
        str = eval("# x frozen-string-literal: false\n""'foo'")
        assert_not_predicate(str, :frozen?)
      end
      a.for("true with preceding garbage") do
        str = eval("# x frozen-string-literal: true\n""'foo'")
        assert_not_predicate(str, :frozen?)
      end
      a.for("false with succeeding garbage") do
        str = eval("# frozen-string-literal: false x\n""'foo'")
        assert_not_predicate(str, :frozen?)
      end
      a.for("true with succeeding garbage") do
        str = eval("# frozen-string-literal: true x\n""'foo'")
        assert_not_predicate(str, :frozen?)
      end
    end
  end

  def test_regexp
    assert_instance_of Regexp, //
    assert_match(//, 'a')
    assert_match(//, '')
    assert_instance_of Regexp, /a/
    assert_match(/a/, 'a')
    assert_no_match(/test/, 'tes')
    re = /test/
    assert_match re, 'test'
    str = 'test'
    assert_match re, str
    assert_match(/test/, str)
    assert_equal 0, (/test/ =~ 'test')
    assert_equal 0, (re =~ 'test')
    assert_equal 0, (/test/ =~ str)
    assert_equal 0, (re =~ str)
    assert_equal 0, ('test' =~ /test/)
    assert_equal 0, ('test' =~ re)
    assert_equal 0, (str =~ /test/)
    assert_equal 0, (str =~ re)
  end

  def test_dregexp
    assert_instance_of Regexp, /re#{'ge'}xp/
    assert_equal(/regexp/, /re#{'ge'}xp/)
    bug3903 = '[ruby-core:32682]'
    assert_raise(SyntaxError, bug3903) {eval('/[#{"\x80"}]/')}
  end

  def test_array
    assert_instance_of Array, []
    assert_equal [], []
    assert_equal 0, [].size
    assert_instance_of Array, [0]
    assert_equal [3], [3]
    assert_equal 1, [3].size
    a = [3]
    assert_equal 3, a[0]
    assert_instance_of Array, [1,2]
    assert_equal [1,2], [1,2]
    assert_instance_of Array, [1,2,3,4,5]
    assert_equal [1,2,3,4,5], [1,2,3,4,5]
    assert_equal 5, [1,2,3,4,5].size
    a = [1,2]
    assert_equal 1, a[0]
    assert_equal 2, a[1]
    a = [1 + 2, 3 + 4, 5 + 6]
    assert_instance_of Array, a
    assert_equal [3, 7, 11], a
    assert_equal 7, a[1]
    assert_equal 1, ([0][0] += 1)
    assert_equal 1, ([2][0] -= 1)
    a = [obj = Object.new]
    assert_instance_of Array, a
    assert_equal 1, a.size
    assert_equal obj, a[0]
    a = [1,2,3]
    a[1] = 5
    assert_equal 5, a[1]
  end

  def test_hash
    assert_instance_of Hash, {}
    assert_equal({}, {})
    assert_instance_of Hash, {1 => 2}
    assert_equal({1 => 2}, {1 => 2})
    h = {1 => 2}
    assert_equal 2, h[1]
    h = {"string" => "literal", "goto" => "hell"}
    assert_equal h, h
    assert_equal 2, h.size
    assert_equal h, h
    assert_equal "literal", h["string"]
  end

  def test_big_array_and_hash_literal
    assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("[#{(1..1_000_000).map{'x'}.join(", ")}]").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
    assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("[#{(1..1_000_000).to_a.join(", ")}]").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
    assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("{#{(1..1_000_000).map{|n| "#{n} => x"}.join(', ')}}").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
    assert_normal_exit %q{GC.disable=true; x = nil; raise if eval("{#{(1..1_000_000).map{|n| "#{n} => #{n}"}.join(', ')}}").size != 1_000_000}, "", timeout: 300, child_env: %[--disable-gems]
  end

  def test_big_hash_literal
    bug7466 = '[ruby-dev:46658]'
    h = {
      0xFE042 => 0xE5CD,
      0xFE043 => 0xE5CD,
      0xFE045 => 0xEA94,
      0xFE046 => 0xE4E3,
      0xFE047 => 0xE4E2,
      0xFE048 => 0xEA96,
      0xFE049 => 0x3013,
      0xFE04A => 0xEB36,
      0xFE04B => 0xEB37,
      0xFE04C => 0xEB38,
      0xFE04D => 0xEB49,
      0xFE04E => 0xEB82,
      0xFE04F => 0xE4D2,
      0xFE050 => 0xEB35,
      0xFE051 => 0xEAB9,
      0xFE052 => 0xEABA,
      0xFE053 => 0xE4D4,
      0xFE054 => 0xE4CD,
      0xFE055 => 0xEABB,
      0xFE056 => 0xEABC,
      0xFE057 => 0xEB32,
      0xFE058 => 0xEB33,
      0xFE059 => 0xEB34,
      0xFE05A => 0xEB39,
      0xFE05B => 0xEB5A,
      0xFE190 => 0xE5A4,
      0xFE191 => 0xE5A5,
      0xFE192 => 0xEAD0,
      0xFE193 => 0xEAD1,
      0xFE194 => 0xEB47,
      0xFE195 => 0xE509,
      0xFE196 => 0xEAA0,
      0xFE197 => 0xE50B,
      0xFE198 => 0xEAA1,
      0xFE199 => 0xEAA2,
      0xFE19A => 0x3013,
      0xFE19B => 0xE4FC,
      0xFE19C => 0xE4FA,
      0xFE19D => 0xE4FC,
      0xFE19E => 0xE4FA,
      0xFE19F => 0xE501,
      0xFE1A0 => 0x3013,
      0xFE1A1 => 0xE5DD,
      0xFE1A2 => 0xEADB,
      0xFE1A3 => 0xEAE9,
      0xFE1A4 => 0xEB13,
      0xFE1A5 => 0xEB14,
      0xFE1A6 => 0xEB15,
      0xFE1A7 => 0xEB16,
      0xFE1A8 => 0xEB17,
      0xFE1A9 => 0xEB18,
      0xFE1AA => 0xEB19,
      0xFE1AB => 0xEB1A,
      0xFE1AC => 0xEB44,
      0xFE1AD => 0xEB45,
      0xFE1AE => 0xE4CB,
      0xFE1AF => 0xE5BF,
      0xFE1B0 => 0xE50E,
      0xFE1B1 => 0xE4EC,
      0xFE1B2 => 0xE4EF,
      0xFE1B3 => 0xE4F8,
      0xFE1B4 => 0x3013,
      0xFE1B5 => 0x3013,
      0xFE1B6 => 0xEB1C,
      0xFE1B9 => 0xEB7E,
      0xFE1D3 => 0xEB22,
      0xFE7DC => 0xE4D8,
      0xFE1D4 => 0xEB23,
      0xFE1D5 => 0xEB24,
      0xFE1D6 => 0xEB25,
      0xFE1CC => 0xEB1F,
      0xFE1CD => 0xEB20,
      0xFE1CE => 0xE4D9,
      0xFE1CF => 0xE48F,
      0xFE1C5 => 0xE5C7,
      0xFE1C6 => 0xEAEC,
      0xFE1CB => 0xEB1E,
      0xFE1DA => 0xE4DD,
      0xFE1E1 => 0xEB57,
      0xFE1E2 => 0xEB58,
      0xFE1E3 => 0xE492,
      0xFE1C9 => 0xEB1D,
      0xFE1D9 => 0xE4D3,
      0xFE1DC => 0xE5D4,
      0xFE1BA => 0xE4E0,
      0xFE1BB => 0xEB76,
      0xFE1C8 => 0xE4E0,
      0xFE1DD => 0xE5DB,
      0xFE1BC => 0xE4DC,
      0xFE1D8 => 0xE4DF,
      0xFE1BD => 0xE49A,
      0xFE1C7 => 0xEB1B,
      0xFE1C2 => 0xE5C2,
      0xFE1C0 => 0xE5C0,
      0xFE1B8 => 0xE4DB,
      0xFE1C3 => 0xE470,
      0xFE1BE => 0xE4D8,
      0xFE1C4 => 0xE4D9,
      0xFE1B7 => 0xE4E1,
      0xFE1BF => 0xE4DE,
      0xFE1C1 => 0xE5C1,
      0xFE1CA => 0x3013,
      0xFE1D0 => 0xE4E1,
      0xFE1D1 => 0xEB21,
      0xFE1D2 => 0xE4D7,
      0xFE1D7 => 0xE4DA,
      0xFE1DB => 0xE4EE,
      0xFE1DE => 0xEB3F,
      0xFE1DF => 0xEB46,
      0xFE1E0 => 0xEB48,
      0xFE336 => 0xE4FB,
      0xFE320 => 0xE472,
      0xFE321 => 0xEB67,
      0xFE322 => 0xEACA,
      0xFE323 => 0xEAC0,
      0xFE324 => 0xE5AE,
      0xFE325 => 0xEACB,
      0xFE326 => 0xEAC9,
      0xFE327 => 0xE5C4,
      0xFE328 => 0xEAC1,
      0xFE329 => 0xE4E7,
      0xFE32A => 0xE4E7,
      0xFE32B => 0xEACD,
      0xFE32C => 0xEACF,
      0xFE32D => 0xEACE,
      0xFE32E => 0xEAC7,
      0xFE32F => 0xEAC8,
      0xFE330 => 0xE471,
      0xFE331 => "[Bug #7466]",
    }
    k = h.keys
    assert_equal([129, 0xFE331], [k.size, k.last], bug7466)

    code = [
      "h = {",
      (1..128).map {|i| "#{i} => 0,"},
      (129..140).map {|i| "#{i} => [],"},
      "}",
    ].join
    assert_separately([], <<-"end;")
      GC.stress = true
      #{code}
      GC.stress = false
      assert_equal(140, h.size)
    end;
  end

  def test_range
    assert_instance_of Range, (1..2)
    assert_equal(1..2, 1..2)
    r = 1..2
    assert_equal 1, r.begin
    assert_equal 2, r.end
    assert_equal false, r.exclude_end?
    assert_instance_of Range, (1...3)
    assert_equal(1...3, 1...3)
    r = 1...3
    assert_equal 1, r.begin
    assert_equal 3, r.end
    assert_equal true, r.exclude_end?
    r = 1+2 .. 3+4
    assert_instance_of Range, r
    assert_equal 3, r.begin
    assert_equal 7, r.end
    assert_equal false, r.exclude_end?
    r = 1+2 ... 3+4
    assert_instance_of Range, r
    assert_equal 3, r.begin
    assert_equal 7, r.end
    assert_equal true, r.exclude_end?
    assert_instance_of Range, 'a'..'c'
    r = 'a'..'c'
    assert_equal 'a', r.begin
    assert_equal 'c', r.end
  end

  def test__FILE__
    assert_instance_of String, __FILE__
    assert_equal __FILE__, __FILE__
    assert_equal 'test_literal.rb', File.basename(__FILE__)
  end

  def test__LINE__
    assert_instance_of Integer, __LINE__
    assert_equal __LINE__, __LINE__
  end

  def test_integer
    head = ['', '0x', '0o', '0b', '0d', '-', '+']
    chars = ['0', '1', '_', '9', 'f']
    head.each {|h|
      4.times {|len|
        a = [h]
        len.times { a = a.product(chars).map {|x| x.join('') } }
        a.each {|s|
          next if s.empty?
          begin
            r1 = Integer(s)
          rescue ArgumentError
            r1 = :err
          end
          begin
            r2 = eval(s)
          rescue NameError, SyntaxError
            r2 = :err
          end
          assert_equal(r1, r2, "Integer(#{s.inspect}) != eval(#{s.inspect})")
        }
      }
    }
    bug2407 = '[ruby-dev:39798]'
    head.each {|h|
      if /^0/ =~ h
        begin
          eval("#{h}_")
        rescue SyntaxError => e
          assert_match(/numeric literal without digits\Z/, e.message, bug2407)
        end
      end
    }
  end

  def test_float
    head = ['', '-', '+']
    chars = ['0', '1', '_', '9', 'f', '.']
    head.each {|h|
      6.times {|len|
        a = [h]
        len.times { a = a.product(chars).map {|x| x.join('') } }
        a.each {|s|
          next if s.empty?
          next if /\.\z/ =~ s
          next if /\A[-+]?\./ =~ s
          next if /\A[-+]?0/ =~ s
          begin
            r1 = Float(s)
          rescue ArgumentError
            r1 = :err
          end
          begin
            r2 = eval(s)
          rescue NameError, SyntaxError
            r2 = :err
          end
          r2 = :err if Range === r2
          assert_equal(r1, r2, "Float(#{s.inspect}) != eval(#{s.inspect})")
        }
      }
    }
  end

  def test_symbol_list
    assert_equal([:foo, :bar], %i[foo bar])
    assert_equal([:"\"foo"], %i["foo])

    x = 10
    assert_equal([:foo, :b10], %I[foo b#{x}])
    assert_equal([:"\"foo10"], %I["foo#{x}])

    assert_ruby_status(["--disable-gems", "--dump=parsetree"], "%I[foo bar]")
  end
end