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
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
|
# frozen_string_literal: false
require 'test/unit'
class TestSyntax < Test::Unit::TestCase
using Module.new {
refine(Object) do
def `(s) #`
s
end
end
}
def assert_syntax_files(test)
srcdir = File.expand_path("../../..", __FILE__)
srcdir = File.join(srcdir, test)
assert_separately(%W[--disable-gem - #{srcdir}],
__FILE__, __LINE__, <<-'eom', timeout: Float::INFINITY)
dir = ARGV.shift
for script in Dir["#{dir}/**/*.rb"].sort
assert_valid_syntax(IO::read(script), script)
end
eom
end
def test_syntax_lib; assert_syntax_files("lib"); end
def test_syntax_sample; assert_syntax_files("sample"); end
def test_syntax_ext; assert_syntax_files("ext"); end
def test_syntax_test; assert_syntax_files("test"); end
def test_defined_empty_argument
bug8220 = '[ruby-core:53999] [Bug #8220]'
assert_ruby_status(%w[--disable-gem], 'puts defined? ()', bug8220)
end
def test_must_ascii_compatible
require 'tempfile'
f = Tempfile.new("must_ac_")
Encoding.list.each do |enc|
next unless enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
assert_nothing_raised(ArgumentError, enc.name) {load(f.path)}
end
Encoding.list.each do |enc|
next if enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
assert_raise(ArgumentError, enc.name) {load(f.path)}
end
ensure
f.close! if f
end
def test_script_lines
require 'tempfile'
f = Tempfile.new("bug4361_")
bug4361 = '[ruby-dev:43168]'
with_script_lines do |debug_lines|
Encoding.list.each do |enc|
next unless enc.ascii_compatible?
make_tmpsrc(f, "# -*- coding: #{enc.name} -*-\n#----------------")
load(f.path)
assert_equal([f.path], debug_lines.keys)
assert_equal([enc, enc], debug_lines[f.path].map(&:encoding), bug4361)
end
end
ensure
f.close! if f
end
def test_newline_in_block_parameters
bug = '[ruby-dev:45292]'
["", "a", "a, b"].product(["", ";x", [";", "x"]]) do |params|
params = ["|", *params, "|"].join("\n")
assert_valid_syntax("1.times{#{params}}", __FILE__, "#{bug} #{params.inspect}")
end
end
tap do |_,
bug6115 = '[ruby-dev:45308]',
blockcall = '["elem"].each_with_object [] do end',
methods = [['map', 'no'], ['inject([])', 'with']],
blocks = [['do end', 'do'], ['{}', 'brace']],
*|
[%w'. dot', %w':: colon'].product(methods, blocks) do |(c, n1), (m, n2), (b, n3)|
m = m.tr_s('()', ' ').strip if n2 == 'do'
name = "test_#{n3}_block_after_blockcall_#{n1}_#{n2}_arg"
code = "#{blockcall}#{c}#{m} #{b}"
define_method(name) {assert_valid_syntax(code, bug6115)}
end
end
def test_do_block_in_cmdarg
bug9726 = '[ruby-core:61950] [Bug #9726]'
assert_valid_syntax("tap (proc do end)", __FILE__, bug9726)
end
def test_normal_argument
assert_valid_syntax('def foo(x) end')
assert_syntax_error('def foo(X) end', /constant/)
assert_syntax_error('def foo(@x) end', /instance variable/)
assert_syntax_error('def foo(@@x) end', /class variable/)
end
def test_optional_argument
assert_valid_syntax('def foo(x=nil) end')
assert_syntax_error('def foo(X=nil) end', /constant/)
assert_syntax_error('def foo(@x=nil) end', /instance variable/)
assert_syntax_error('def foo(@@x=nil) end', /class variable/)
end
def test_keyword_rest
bug5989 = '[ruby-core:42455]'
assert_valid_syntax("def kwrest_test(**a) a; end", __FILE__, bug5989)
assert_valid_syntax("def kwrest_test2(**a, &b) end", __FILE__, bug5989)
o = Object.new
def o.kw(**a) a end
assert_equal({}, o.kw, bug5989)
assert_equal({foo: 1}, o.kw(foo: 1), bug5989)
assert_equal({foo: 1, bar: 2}, o.kw(foo: 1, bar: 2), bug5989)
EnvUtil.under_gc_stress do
eval("def o.m(k: 0) k end")
end
assert_equal(42, o.m(k: 42), '[ruby-core:45744]')
bug7922 = '[ruby-core:52744] [Bug #7922]'
def o.bug7922(**) end
assert_nothing_raised(ArgumentError, bug7922) {o.bug7922(foo: 42)}
end
class KW2
def kw(k1: 1, k2: 2) [k1, k2] end
end
def test_keyword_splat
assert_valid_syntax("foo(**h)", __FILE__)
o = KW2.new
h = {k1: 11, k2: 12}
assert_equal([11, 12], o.kw(**h))
assert_equal([11, 12], o.kw(k2: 22, **h))
assert_equal([11, 22], o.kw(**h, **{k2: 22}))
assert_equal([11, 12], o.kw(**{k2: 22}, **h))
end
def test_keyword_duplicated_splat
bug10315 = '[ruby-core:65368] [Bug #10315]'
o = KW2.new
assert_equal([23, 2], o.kw(**{k1: 22}, **{k1: 23}), bug10315)
h = {k3: 31}
assert_raise(ArgumentError) {o.kw(**h)}
h = {"k1"=>11, k2: 12}
assert_raise(TypeError) {o.kw(**h)}
end
def test_keyword_duplicated
bug10315 = '[ruby-core:65625] [Bug #10315]'
a = []
def a.add(x) push(x); x; end
def a.f(k:) k; end
a.clear
r = nil
assert_warn(/duplicated/) {r = eval("a.f(k: a.add(1), k: a.add(2))")}
assert_equal(2, r)
assert_equal([1, 2], a, bug10315)
a.clear
r = nil
assert_warn(/duplicated/) {r = eval("a.f({k: a.add(1), k: a.add(2)})")}
assert_equal(2, r)
assert_equal([1, 2], a, bug10315)
end
def test_keyword_empty_splat
assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
begin;
bug10719 = '[ruby-core:67446] [Bug #10719]'
assert_valid_syntax("foo(a: 1, **{})", bug10719)
end;
assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
begin;
bug13756 = '[ruby-core:82113] [Bug #13756]'
assert_valid_syntax("defined? foo(**{})", bug13756)
end;
end
def test_keyword_self_reference
bug9593 = '[ruby-core:61299] [Bug #9593]'
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var: defined?(var)) var end")
end
assert_equal(42, o.foo(var: 42))
assert_equal("local-variable", o.foo, bug9593)
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var: var) var end")
end
assert_nil(o.foo, bug9593)
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var: bar(var)) var end")
end
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var: bar {var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var: bar {|var| var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var: def bar(var) var; end) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("proc {|var: 1| var}")
end
end
def test_keyword_invalid_name
bug11663 = '[ruby-core:71356] [Bug #11663]'
o = o = Object.new
assert_syntax_error('def o.foo(arg1?:) end', /arg1\?/, bug11663)
assert_syntax_error('def o.foo(arg1?:, arg2:) end', /arg1\?/, bug11663)
assert_syntax_error('proc {|arg1?:|}', /arg1\?/, bug11663)
assert_syntax_error('proc {|arg1?:, arg2:|}', /arg1\?/, bug11663)
bug10545 = '[ruby-dev:48742] [Bug #10545]'
assert_syntax_error('def o.foo(FOO: a) end', /constant/, bug10545)
assert_syntax_error('def o.foo(@foo: a) end', /instance variable/)
assert_syntax_error('def o.foo(@@foo: a) end', /class variable/)
end
def test_optional_self_reference
bug9593 = '[ruby-core:61299] [Bug #9593]'
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var = defined?(var)) var end")
end
assert_equal(42, o.foo(42))
assert_equal("local-variable", o.foo, bug9593)
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var = var) var end")
end
assert_nil(o.foo, bug9593)
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var = bar(var)) var end")
end
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var = bar {var}) var end")
end
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var = (def bar;end; var)) var end")
end
o = Object.new
assert_warn(/circular argument reference - var/) do
o.instance_eval("def foo(var = (def self.bar;end; var)) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var = bar {|var| var}) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("def foo(var = def bar(var) var; end) var end")
end
o = Object.new
assert_warn("") do
o.instance_eval("proc {|var = 1| var}")
end
end
def test_warn_grouped_expression
bug5214 = '[ruby-core:39050]'
assert_warning("", bug5214) do
assert_valid_syntax("foo \\\n(\n true)", "test", verbose: true)
end
end
def test_warn_unreachable
assert_warning("test:3: warning: statement not reached\n") do
code = "loop do\n" "break\n" "foo\n" "end"
assert_valid_syntax(code, "test", verbose: true)
end
end
def test_warn_balanced
warning = <<WARN
test:1: warning: `%s' after local variable or literal is interpreted as binary operator
test:1: warning: even though it seems like %s
WARN
[
[:**, "argument prefix"],
[:*, "argument prefix"],
[:<<, "here document"],
[:&, "argument prefix"],
[:+, "unary operator"],
[:-, "unary operator"],
[:/, "regexp literal"],
[:%, "string literal"],
].each do |op, syn|
all_assertions do |a|
["puts 1 #{op}0", "puts :a #{op}0", "m = 1; puts m #{op}0"].each do |src|
a.for(src) do
assert_warning(warning % [op, syn], src) do
assert_valid_syntax(src, "test", verbose: true)
end
end
end
end
end
end
def test_cmd_symbol_after_keyword
bug6347 = '[ruby-dev:45563]'
assert_not_label(:foo, 'if true then not_label:foo end', bug6347)
assert_not_label(:foo, 'if false; else not_label:foo end', bug6347)
assert_not_label(:foo, 'begin not_label:foo end', bug6347)
assert_not_label(:foo, 'begin ensure not_label:foo end', bug6347)
end
def test_cmd_symbol_in_string
bug6347 = '[ruby-dev:45563]'
assert_not_label(:foo, '"#{not_label:foo}"', bug6347)
end
def test_cmd_symbol_singleton_class
bug6347 = '[ruby-dev:45563]'
@not_label = self
assert_not_label(:foo, 'class << not_label:foo; end', bug6347)
end
def test_cmd_symbol_superclass
bug6347 = '[ruby-dev:45563]'
@not_label = Object
assert_not_label(:foo, 'class Foo < not_label:foo; end', bug6347)
end
def test_no_label_with_percent
assert_syntax_error('{%"a": 1}', /unexpected ':'/)
assert_syntax_error("{%'a': 1}", /unexpected ':'/)
assert_syntax_error('{%Q"a": 1}', /unexpected ':'/)
assert_syntax_error("{%Q'a': 1}", /unexpected ':'/)
assert_syntax_error('{%q"a": 1}', /unexpected ':'/)
assert_syntax_error("{%q'a': 1}", /unexpected ':'/)
end
def test_block_after_cond
bug10653 = '[ruby-dev:48790] [Bug #10653]'
assert_valid_syntax("false ? raise {} : tap {}", bug10653)
assert_valid_syntax("false ? raise do end : tap do end", bug10653)
end
def test_paren_after_label
bug11456 = '[ruby-dev:49221] [Bug #11456]'
assert_valid_syntax("{foo: (1 rescue 0)}", bug11456)
assert_valid_syntax("{foo: /=/}", bug11456)
end
def test_percent_string_after_label
bug11812 = '[ruby-core:72084]'
assert_valid_syntax('{label:%w(*)}', bug11812)
assert_valid_syntax('{label: %w(*)}', bug11812)
end
def test_heredoc_after_label
bug11849 = '[ruby-core:72396] [Bug #11849]'
assert_valid_syntax("{label:<<DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label:<<-DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label:<<~DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label: <<DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label: <<-DOC\n""DOC\n""}", bug11849)
assert_valid_syntax("{label: <<~DOC\n""DOC\n""}", bug11849)
end
def test_cmdarg_kwarg_lvar_clashing_method
bug12073 = '[ruby-core:73816] [Bug#12073]'
a = a = 1
assert_valid_syntax("a b: 1")
assert_valid_syntax("a = 1; a b: 1", bug12073)
end
def test_duplicated_arg
assert_syntax_error("def foo(a, a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, _) end")
end
def test_duplicated_rest
assert_syntax_error("def foo(a, *a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, *_) end")
end
def test_duplicated_opt
assert_syntax_error("def foo(a, a=1) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, _=1) end")
end
def test_duplicated_opt_rest
assert_syntax_error("def foo(a=1, *a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, *_) end")
end
def test_duplicated_rest_opt
assert_syntax_error("def foo(*a, a=1) end", /duplicated argument name/)
end
def test_duplicated_rest_post
assert_syntax_error("def foo(*a, a) end", /duplicated argument name/)
end
def test_duplicated_opt_post
assert_syntax_error("def foo(a=1, a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, _) end")
end
def test_duplicated_kw
assert_syntax_error("def foo(a, a: 1) end", /duplicated argument name/)
assert_valid_syntax("def foo(_, _: 1) end")
end
def test_duplicated_rest_kw
assert_syntax_error("def foo(*a, a: 1) end", /duplicated argument name/)
assert_nothing_raised {def foo(*_, _: 1) end}
end
def test_duplicated_opt_kw
assert_syntax_error("def foo(a=1, a: 1) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, _: 1) end")
end
def test_duplicated_kw_kwrest
assert_syntax_error("def foo(a: 1, **a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_: 1, **_) end")
end
def test_duplicated_rest_kwrest
assert_syntax_error("def foo(*a, **a) end", /duplicated argument name/)
assert_valid_syntax("def foo(*_, **_) end")
end
def test_duplicated_opt_kwrest
assert_syntax_error("def foo(a=1, **a) end", /duplicated argument name/)
assert_valid_syntax("def foo(_=1, **_) end")
end
def test_duplicated_when
w = 'warning: duplicated when clause is ignored'
assert_warning(/3: #{w}.+4: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){
eval %q{
case 1
when 1, 1
when 1, 1
when 1, 1
end
}
}
assert_warning(/#{w}/){#/3: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){
a = a = 1
eval %q{
case 1
when 1, 1
when 1, a
when 1, 1
end
}
}
end
def test_invalid_break
assert_syntax_error("def m; break; end", /Invalid break/)
assert_syntax_error('/#{break}/', /Invalid break/)
assert_syntax_error('/#{break}/o', /Invalid break/)
end
def test_invalid_next
assert_syntax_error("def m; next; end", /Invalid next/)
assert_syntax_error('/#{next}/', /Invalid next/)
assert_syntax_error('/#{next}/o', /Invalid next/)
end
def test_lambda_with_space
feature6390 = '[ruby-dev:45605]'
assert_valid_syntax("-> (x, y) {}", __FILE__, feature6390)
end
def test_do_block_in_cmdarg_begin
bug6419 = '[ruby-dev:45631]'
assert_valid_syntax("p begin 1.times do 1 end end", __FILE__, bug6419)
end
def test_do_block_in_call_args
bug9308 = '[ruby-core:59342] [Bug #9308]'
assert_valid_syntax("bar def foo; self.each do end end", bug9308)
end
def test_do_block_in_lambda
bug11107 = '[ruby-core:69017] [Bug #11107]'
assert_valid_syntax('p ->() do a() do end end', bug11107)
end
def test_do_block_after_lambda
bug11380 = '[ruby-core:70067] [Bug #11380]'
assert_valid_syntax('p -> { :hello }, a: 1 do end', bug11380)
end
def test_reserved_method_no_args
bug6403 = '[ruby-dev:45626]'
assert_valid_syntax("def self; :foo; end", __FILE__, bug6403)
end
def test_unassignable
gvar = global_variables
%w[self nil true false __FILE__ __LINE__ __ENCODING__].each do |kwd|
assert_raise(SyntaxError) {eval("#{kwd} = nil")}
assert_equal(gvar, global_variables)
end
end
Bug7559 = '[ruby-dev:46737]'
def test_lineno_command_call_quote
expected = __LINE__ + 1
actual = caller_lineno "a
b
c
d
e"
assert_equal(expected, actual, "#{Bug7559}: ")
end
def assert_dedented_heredoc(expect, result, mesg = "")
all_assertions(mesg) do |a|
%w[eos "eos" 'eos' `eos`].each do |eos|
a.for(eos) do
assert_equal(eval("<<-#{eos}\n#{expect}eos\n"),
eval("<<~#{eos}\n#{result}eos\n"))
end
end
end
end
def test_dedented_heredoc_without_indentation
result = " y\n" \
"z\n"
expect = result
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_indentation
result = " a\n" \
" b\n"
expect = " a\n" \
"b\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_less_indented_line
# the blank line has two leading spaces
result = " a\n" \
" \n" \
" b\n"
expect = "a\n" \
"\n" \
"b\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_less_indented_line_escaped
result = " a\n" \
"\\ \\ \n" \
" b\n"
expect = result
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_more_indented_line
# the blank line has six leading spaces
result = " a\n" \
" \n" \
" b\n"
expect = "a\n" \
" \n" \
"b\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_blank_more_indented_line_escaped
result = " a\n" \
"\\ \\ \\ \\ \\ \\ \n" \
" b\n"
expect = result
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_empty_line
result = " This would contain specially formatted text.\n" \
"\n" \
" That might span many lines\n"
expect = 'This would contain specially formatted text.'"\n" \
''"\n" \
'That might span many lines'"\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_interpolated_expression
result = ' #{1}a'"\n" \
" zy\n"
expect = ' #{1}a'"\n" \
"zy\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_interpolated_string
w = w = ""
result = " \#{mesg} a\n" \
" zy\n"
expect = '#{mesg} a'"\n" \
' zy'"\n"
assert_dedented_heredoc(expect, result)
end
def test_dedented_heredoc_with_newline
bug11989 = '[ruby-core:72855] [Bug #11989] after escaped newline should not be dedented'
result = ' x\n'" y\n" \
" z\n"
expect = 'x\n'" y\n" \
"z\n"
assert_dedented_heredoc(expect, result, bug11989)
end
def test_dedented_heredoc_with_concatenation
bug11990 = '[ruby-core:72857] [Bug #11990] concatenated string should not be dedented'
%w[eos "eos" 'eos'].each do |eos|
assert_equal("x\n y",
eval("<<~#{eos} ' y'\n x\neos\n"),
"#{bug11990} with #{eos}")
end
%w[eos "eos" 'eos' `eos`].each do |eos|
_, expect = eval("[<<~#{eos}, ' x']\n"" y\n""eos\n")
assert_equal(' x', expect, bug11990)
end
end
def test_dedented_heredoc_expr_at_beginning
result = " a\n" \
'#{1}'"\n"
expected = " a\n" \
'#{1}'"\n"
assert_dedented_heredoc(expected, result)
end
def test_lineno_after_heredoc
bug7559 = '[ruby-dev:46737]'
expected, _, actual = __LINE__, <<eom, __LINE__
a
b
c
d
eom
assert_equal(expected, actual, bug7559)
end
def test_dedented_heredoc_invalid_identifer
assert_syntax_error('<<~ "#{}"', /unexpected <</)
end
def test_lineno_operation_brace_block
expected = __LINE__ + 1
actual = caller_lineno\
{}
assert_equal(expected, actual)
end
def assert_constant_reassignment_nested(preset, op, expected, err = [], bug = '[Bug #5449]')
[
["p ", ""], # no-pop
["", "p Foo::Bar"], # pop
].each do |p1, p2|
src = <<-EOM.gsub(/^\s*\n/, '')
class Foo
#{"Bar = " + preset if preset}
end
#{p1}Foo::Bar #{op}= 42
#{p2}
EOM
msg = "\# #{bug}\n#{src}"
assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
assert_in_out_err([], src, expected, err, msg)
end
end
def test_constant_reassignment_nested
already = /already initialized constant Foo::Bar/
uninitialized = /uninitialized constant Foo::Bar/
assert_constant_reassignment_nested(nil, "||", %w[42])
assert_constant_reassignment_nested("false", "||", %w[42], already)
assert_constant_reassignment_nested("true", "||", %w[true])
assert_constant_reassignment_nested(nil, "&&", [], uninitialized)
assert_constant_reassignment_nested("false", "&&", %w[false])
assert_constant_reassignment_nested("true", "&&", %w[42], already)
assert_constant_reassignment_nested(nil, "+", [], uninitialized)
assert_constant_reassignment_nested("false", "+", [], /undefined method/)
assert_constant_reassignment_nested("11", "+", %w[53], already)
end
def assert_constant_reassignment_toplevel(preset, op, expected, err = [], bug = '[Bug #5449]')
[
["p ", ""], # no-pop
["", "p ::Bar"], # pop
].each do |p1, p2|
src = <<-EOM.gsub(/^\s*\n/, '')
#{"Bar = " + preset if preset}
class Foo
#{p1}::Bar #{op}= 42
#{p2}
end
EOM
msg = "\# #{bug}\n#{src}"
assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
assert_in_out_err([], src, expected, err, msg)
end
end
def test_constant_reassignment_toplevel
already = /already initialized constant Bar/
uninitialized = /uninitialized constant Bar/
assert_constant_reassignment_toplevel(nil, "||", %w[42])
assert_constant_reassignment_toplevel("false", "||", %w[42], already)
assert_constant_reassignment_toplevel("true", "||", %w[true])
assert_constant_reassignment_toplevel(nil, "&&", [], uninitialized)
assert_constant_reassignment_toplevel("false", "&&", %w[false])
assert_constant_reassignment_toplevel("true", "&&", %w[42], already)
assert_constant_reassignment_toplevel(nil, "+", [], uninitialized)
assert_constant_reassignment_toplevel("false", "+", [], /undefined method/)
assert_constant_reassignment_toplevel("11", "+", %w[53], already)
end
def test_integer_suffix
["1if true", "begin 1end"].each do |src|
assert_valid_syntax(src)
assert_equal(1, eval(src), src)
end
end
def test_value_of_def
assert_separately [], <<-EOS
assert_equal(:foo, (def foo; end))
assert_equal(:foo, (def (Object.new).foo; end))
EOS
end
def test_heredoc_cr
assert_syntax_error("puts <<""EOS\n""ng\n""EOS\r""NO\n", /can't find string "EOS" anywhere before EOF/)
end
def test_heredoc_newline
assert_warn(/ends with a newline/) do
eval("<<\"EOS\n\"\nEOS\n")
end
end
def test__END___cr
assert_syntax_error("__END__\r<<<<<\n", /unexpected <</)
end
def test_warning_for_cr
feature8699 = '[ruby-core:56240] [Feature #8699]'
assert_warning(/encountered \\r/, feature8699) do
eval("\r""__id__\r")
end
end
def test_unexpected_fraction
msg = /unexpected fraction/
assert_syntax_error("0x0.0", msg)
assert_syntax_error("0b0.0", msg)
assert_syntax_error("0d0.0", msg)
assert_syntax_error("0o0.0", msg)
assert_syntax_error("0.0.0", msg)
end
def test_error_message_encoding
bug10114 = '[ruby-core:64228] [Bug #10114]'
code = "# -*- coding: utf-8 -*-\n" "def n \"\u{2208}\"; end"
assert_syntax_error(code, /def n "\u{2208}"; end/, bug10114)
end
def test_null_range_cmdarg
bug10957 = '[ruby-core:68477] [Bug #10957]'
assert_ruby_status(['-c', '-e', 'p ()..0'], "", bug10957)
assert_ruby_status(['-c', '-e', 'p ()...0'], "", bug10957)
assert_syntax_error('0..%w.', /unterminated string/, bug10957)
assert_syntax_error('0...%w.', /unterminated string/, bug10957)
end
def test_too_big_nth_ref
bug11192 = '[ruby-core:69393] [Bug #11192]'
assert_warn(/too big/, bug11192) do
eval('$99999999999999999')
end
end
def test_invalid_symbol_space
assert_syntax_error(": foo", /unexpected ':'/)
assert_syntax_error(": #\n foo", /unexpected ':'/)
assert_syntax_error(":#\n foo", /unexpected ':'/)
end
def test_fluent_dot
assert_valid_syntax("a\n.foo")
assert_valid_syntax("a\n&.foo")
end
def test_no_warning_logop_literal
assert_warning("") do
eval("true||raise;nil")
end
assert_warning("") do
eval("false&&raise;nil")
end
assert_warning("") do
eval("''||raise;nil")
end
end
def test_warning_literal_in_condition
assert_warn(/literal in condition/) do
eval('1 if ""')
end
assert_warn(/literal in condition/) do
eval('1 if //')
end
assert_warn(/literal in condition/) do
eval('1 if true..false')
end
assert_warning(/literal in condition/) do
eval('1 if 1')
end
assert_warning(/literal in condition/) do
eval('1 if :foo')
end
assert_warning(/literal in condition/) do
eval('1 if :"#{"foo".upcase}"')
end
assert_warn('') do
eval('1 if !""')
end
assert_warn('') do
eval('1 if !//')
end
assert_warn('') do
eval('1 if !(true..false)')
end
assert_warning('') do
eval('1 if !1')
end
assert_warning('') do
eval('1 if !:foo')
end
assert_warning('') do
eval('1 if !:"#{"foo".upcase}"')
end
end
def test_alias_symbol
bug8851 = '[ruby-dev:47681] [Bug #8851]'
formats = ['%s', ":'%s'", ':"%s"', '%%s(%s)']
all_assertions(bug8851) do |all|
formats.product(formats) do |form1, form2|
all.for(code = "alias #{form1 % 'a'} #{form2 % 'p'}") do
assert_valid_syntax(code)
end
end
end
end
def test_undef_symbol
bug8851 = '[ruby-dev:47681] [Bug #8851]'
formats = ['%s', ":'%s'", ':"%s"', '%%s(%s)']
all_assertions(bug8851) do |all|
formats.product(formats) do |form1, form2|
all.for(code = "undef #{form1 % 'a'}, #{form2 % 'p'}") do
assert_valid_syntax(code)
end
end
end
end
def test_parenthesised_statement_argument
assert_syntax_error("foo(bar rescue nil)", /unexpected modifier_rescue/)
assert_valid_syntax("foo (bar rescue nil)")
end
def test_cmdarg_in_paren
bug11873 = '[ruby-core:72482] [Bug #11873]'
assert_valid_syntax %q{a b{c d}, :e do end}, bug11873
assert_valid_syntax %q{a b(c d), :e do end}, bug11873
assert_valid_syntax %q{a b{c(d)}, :e do end}, bug11873
assert_valid_syntax %q{a b(c(d)), :e do end}, bug11873
assert_valid_syntax %q{a b{c d}, 1 do end}, bug11873
assert_valid_syntax %q{a b(c d), 1 do end}, bug11873
assert_valid_syntax %q{a b{c(d)}, 1 do end}, bug11873
assert_valid_syntax %q{a b(c(d)), 1 do end}, bug11873
assert_valid_syntax %q{a b{c d}, "x" do end}, bug11873
assert_valid_syntax %q{a b(c d), "x" do end}, bug11873
assert_valid_syntax %q{a b{c(d)}, "x" do end}, bug11873
assert_valid_syntax %q{a b(c(d)), "x" do end}, bug11873
end
def test_block_after_cmdarg_in_paren
bug11873 = '[ruby-core:72482] [Bug #11873]'
def bug11873.p(*);end;
assert_raise(LocalJumpError, bug11873) do
bug11873.instance_eval do
p p{p p;p(p)}, tap do
raise SyntaxError, "should not be passed to tap"
end
end
end
assert_raise(LocalJumpError, bug11873) do
bug11873.instance_eval do
p p{p(p);p p}, tap do
raise SyntaxError, "should not be passed to tap"
end
end
end
end
def test_do_block_in_hash_brace
bug13073 = '[ruby-core:78837] [Bug #13073]'
assert_valid_syntax 'p :foo, {a: proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {:a => proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {"a": proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {** proc do end, b: proc do end}', bug13073
assert_valid_syntax 'p :foo, {proc do end => proc do end, b: proc do end}', bug13073
end
def test_do_after_local_variable
obj = Object.new
def obj.m; yield; end
result = assert_nothing_raised(SyntaxError) do
obj.instance_eval("m = 1; m do :ok end")
end
assert_equal(:ok, result)
end
def test_brace_after_local_variable
obj = Object.new
def obj.m; yield; end
result = assert_nothing_raised(SyntaxError) do
obj.instance_eval("m = 1; m {:ok}")
end
assert_equal(:ok, result)
end
def test_brace_after_literal_argument
bug = '[ruby-core:81037] [Bug #13547]'
error = /unexpected '{'/
assert_syntax_error('m "x" {}', error)
assert_syntax_error('m 1 {}', error, bug)
assert_syntax_error('m 1.0 {}', error, bug)
assert_syntax_error('m :m {}', error, bug)
assert_syntax_error('m :"#{m}" {}', error, bug)
assert_syntax_error('m ?x {}', error, bug)
assert_syntax_error('m %[] {}', error, bug)
assert_syntax_error('m 0..1 {}', error, bug)
assert_syntax_error('m [] {}', error, bug)
end
def test_return_toplevel
feature4840 = '[ruby-core:36785] [Feature #4840]'
line = __LINE__+2
code = "#{<<~"begin;"}#{<<~'end;'}"
begin;
return; raise
begin return; rescue SystemExit; exit false; end
begin return; ensure puts "ensured"; end #=> ensured
begin ensure return; end
begin raise; ensure; return; end
begin raise; rescue; return; end
return false; raise
return 1; raise
"#{return}"
raise((return; "should not raise"))
begin raise; ensure return; end; self
begin raise; ensure return; end and self
nil&defined?0--begin e=no_method_error(); return; 0;end
return puts('ignored') #=> ignored
end;
.split(/\n/).map {|s|[(line+=1), *s.split(/#=> /, 2)]}
failed = proc do |n, s|
RubyVM::InstructionSequence.compile(s, __FILE__, nil, n).disasm
end
Tempfile.create(%w"test_return_ .rb") do |lib|
lib.close
args = %W[-W0 -r#{lib.path}]
all_assertions_foreach(feature4840, *[:main, :lib].product([:class, :top], code)) do |main, klass, (n, s, *ex)|
if klass == :class
s = "class X; #{s}; end"
if main == :main
assert_in_out_err(%[-W0], s, [], /return/, proc {failed[n, s]}, success: false)
else
File.write(lib, s)
assert_in_out_err(args, "", [], /return/, proc {failed[n, s]}, success: false)
end
else
if main == :main
assert_in_out_err(%[-W0], s, ex, [], proc {failed[n, s]}, success: true)
else
File.write(lib, s)
assert_in_out_err(args, "", ex, [], proc {failed[n, s]}, success: true)
end
end
end
end
end
def test_syntax_error_in_rescue
bug12613 = '[ruby-core:76531] [Bug #12613]'
assert_syntax_error("#{<<-"begin;"}\n#{<<-"end;"}", /Invalid retry/, bug12613)
begin;
while true
begin
p
rescue
retry
else
retry
end
break
end
end;
end
def test_invalid_jump
assert_in_out_err(%w[-e redo], "", [], /^-e:1: /)
end
def test_keyword_not_parens
assert_valid_syntax("not()")
end
def test_rescue_do_end_raised
result = []
assert_raise(RuntimeError) do
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
tap do
result << :begin
raise "An exception occurred!"
ensure
result << :ensure
end
end;
end
assert_equal([:begin, :ensure], result)
end
def test_rescue_do_end_rescued
result = []
assert_nothing_raised(RuntimeError) do
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
tap do
result << :begin
raise "An exception occurred!"
rescue
result << :rescue
else
result << :else
ensure
result << :ensure
end
end;
end
assert_equal([:begin, :rescue, :ensure], result)
end
def test_rescue_do_end_no_raise
result = []
assert_nothing_raised(RuntimeError) do
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
tap do
result << :begin
rescue
result << :rescue
else
result << :else
ensure
result << :ensure
end
end;
end
assert_equal([:begin, :else, :ensure], result)
end
def test_rescue_do_end_ensure_result
result = eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
proc do
:begin
ensure
:ensure
end.call
end;
assert_equal(:begin, result)
end
def test_rescue_do_end_ensure_in_lambda
result = []
eval("#{<<-"begin;"}\n#{<<-"end;"}")
begin;
-> do
result << :begin
raise "An exception occurred!"
rescue
result << :rescue
else
result << :else
ensure
result << :ensure
end.call
end;
assert_equal([:begin, :rescue, :ensure], result)
end
def test_return_in_loop
obj = Object.new
def obj.test
x = nil
return until x unless x
end
assert_nil obj.test
end
def test_method_call_location
line = __LINE__+5
e = assert_raise(NoMethodError) do
1.upto(0) do
end
.
foo(
1,
2,
)
end
assert_equal(line, e.backtrace_locations[0].lineno)
line = __LINE__+5
e = assert_raise(NoMethodError) do
1.upto 0 do
end
.
foo(
1,
2,
)
end
assert_equal(line, e.backtrace_locations[0].lineno)
end
def test_methoddef_in_cond
assert_valid_syntax('while def foo; tap do end; end; break; end')
assert_valid_syntax('while def foo a = tap do end; end; break; end')
end
def test_classdef_in_cond
assert_valid_syntax('while class Foo; tap do end; end; break; end')
assert_valid_syntax('while class Foo a = tap do end; end; break; end')
end
def test_command_with_cmd_brace_block
assert_valid_syntax('obj.foo (1) {}')
assert_valid_syntax('obj::foo (1) {}')
end
private
def not_label(x) @result = x; @not_label ||= nil end
def assert_not_label(expected, src, message = nil)
@result = nil
assert_nothing_raised(SyntaxError, message) {eval(src)}
assert_equal(expected, @result, message)
end
def make_tmpsrc(f, src)
f.open
f.truncate(0)
f.puts(src)
f.close
end
def with_script_lines
script_lines = nil
debug_lines = {}
Object.class_eval do
if defined?(SCRIPT_LINES__)
script_lines = SCRIPT_LINES__
remove_const :SCRIPT_LINES__
end
const_set(:SCRIPT_LINES__, debug_lines)
end
yield debug_lines
ensure
Object.class_eval do
remove_const :SCRIPT_LINES__
const_set(:SCRIPT_LINES__, script_lines) if script_lines
end
end
def caller_lineno(*)
caller_locations(1, 1)[0].lineno
end
end
|