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
|
import WebIDL
def WebIDLTest(parser, harness):
parser.parse("interface mixin Foo { };")
results = parser.finish()
harness.ok(True, "Empty interface mixin parsed without error.")
harness.check(len(results), 1, "Should be one production")
harness.ok(
isinstance(results[0], WebIDL.IDLInterfaceMixin),
"Should be an IDLInterfaceMixin",
)
mixin = results[0]
harness.check(
mixin.identifier.QName(), "::Foo", "Interface mixin has the right QName"
)
harness.check(mixin.identifier.name, "Foo", "Interface mixin has the right name")
parser = parser.reset()
parser.parse(
"""
interface mixin QNameBase {
const long foo = 3;
};
"""
)
results = parser.finish()
harness.check(len(results), 1, "Should be one productions")
harness.ok(
isinstance(results[0], WebIDL.IDLInterfaceMixin),
"Should be an IDLInterfaceMixin",
)
harness.check(len(results[0].members), 1, "Expect 1 productions")
mixin = results[0]
harness.check(
mixin.members[0].identifier.QName(),
"::QNameBase::foo",
"Member has the right QName",
)
parser = parser.reset()
parser.parse(
"""
interface mixin A {
readonly attribute boolean x;
undefined foo();
};
partial interface mixin A {
readonly attribute boolean y;
undefined foo(long arg);
};
"""
)
results = parser.finish()
harness.check(
len(results), 2, "Should have two results with partial interface mixin"
)
mixin = results[0]
harness.check(
len(mixin.members), 3, "Should have three members with partial interface mixin"
)
harness.check(
mixin.members[0].identifier.name,
"x",
"First member should be x with partial interface mixin",
)
harness.check(
mixin.members[1].identifier.name,
"foo",
"Second member should be foo with partial interface mixin",
)
harness.check(
len(mixin.members[1].signatures()),
2,
"Should have two foo signatures with partial interface mixin",
)
harness.check(
mixin.members[2].identifier.name,
"y",
"Third member should be y with partial interface mixin",
)
parser = parser.reset()
parser.parse(
"""
partial interface mixin A {
readonly attribute boolean y;
undefined foo(long arg);
};
interface mixin A {
readonly attribute boolean x;
undefined foo();
};
"""
)
results = parser.finish()
harness.check(
len(results), 2, "Should have two results with reversed partial interface mixin"
)
mixin = results[1]
harness.check(
len(mixin.members),
3,
"Should have three members with reversed partial interface mixin",
)
harness.check(
mixin.members[0].identifier.name,
"x",
"First member should be x with reversed partial interface mixin",
)
harness.check(
mixin.members[1].identifier.name,
"foo",
"Second member should be foo with reversed partial interface mixin",
)
harness.check(
len(mixin.members[1].signatures()),
2,
"Should have two foo signatures with reversed partial interface mixin",
)
harness.check(
mixin.members[2].identifier.name,
"y",
"Third member should be y with reversed partial interface mixin",
)
parser = parser.reset()
parser.parse(
"""
interface Interface {};
interface mixin Mixin {
attribute short x;
};
Interface includes Mixin;
"""
)
results = parser.finish()
iface = results[0]
harness.check(len(iface.members), 1, "Should merge members from mixins")
harness.check(
iface.members[0].identifier.name, "x", "Should merge members from mixins"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
readonly attribute boolean x;
};
interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow two non-partial interface mixins with the same name"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
partial interface mixin A {
readonly attribute boolean x;
};
partial interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Must have a non-partial interface mixin for a given name")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
boolean x;
};
partial interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should not allow a name collision between partial interface "
"mixin and other object",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
boolean x;
};
interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should not allow a name collision between interface mixin " "and other object",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
readonly attribute boolean x;
};
interface A;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should not allow a name collision between external interface "
"and interface mixin",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
[SomeRandomAnnotation]
interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow unknown extended attributes on interface mixins"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
getter double (DOMString propertyName);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow getters on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
setter undefined (DOMString propertyName, double propertyValue);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow setters on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
deleter undefined (DOMString propertyName);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow deleters on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
legacycaller double compute(double x);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow legacycallers on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
inherit attribute x;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow inherited attribute on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Interface {};
interface NotMixin {
attribute short x;
};
Interface includes NotMixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if the right side does not point an interface mixin")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin NotInterface {};
interface mixin Mixin {
attribute short x;
};
NotInterface includes Mixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if the left side does not point an interface")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin Mixin {
iterable<DOMString>;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if an interface mixin includes iterable")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin Mixin {
setlike<DOMString>;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if an interface mixin includes setlike")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin Mixin {
maplike<DOMString, DOMString>;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if an interface mixin includes maplike")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Interface {
attribute short attr;
};
interface mixin Mixin {
attribute short attr;
};
Interface includes Mixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should fail if the included mixin interface has duplicated member"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Interface {};
interface mixin Mixin1 {
attribute short attr;
};
interface mixin Mixin2 {
attribute short attr;
};
Interface includes Mixin1;
Interface includes Mixin2;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should fail if the included mixin interfaces have duplicated member"
)
parser = parser.reset()
parser.parse(
"""
[Global, Exposed=Window] interface Window {};
[Global, Exposed=Worker] interface Worker {};
[Exposed=Window]
interface Base {};
interface mixin Mixin {
Base returnSelf();
};
Base includes Mixin;
"""
)
results = parser.finish()
base = results[2]
attr = base.members[0]
harness.check(
attr.exposureSet,
set(["Window"]),
"Should expose on globals where the base interfaces are exposed",
)
parser = parser.reset()
parser.parse(
"""
[Global, Exposed=Window] interface Window {};
[Global, Exposed=Worker] interface Worker {};
[Exposed=Window]
interface Base {};
[Exposed=Window]
interface mixin Mixin {
attribute short a;
};
Base includes Mixin;
"""
)
results = parser.finish()
base = results[2]
attr = base.members[0]
harness.check(
attr.exposureSet, set(["Window"]), "Should follow [Exposed] on interface mixin"
)
parser = parser.reset()
parser.parse(
"""
[Global, Exposed=Window] interface Window {};
[Global, Exposed=Worker] interface Worker {};
[Exposed=Window]
interface Base1 {};
[Exposed=Worker]
interface Base2 {};
interface mixin Mixin {
attribute short a;
};
Base1 includes Mixin;
Base2 includes Mixin;
"""
)
results = parser.finish()
base = results[2]
attr = base.members[0]
harness.check(
attr.exposureSet,
set(["Window", "Worker"]),
"Should expose on all globals where including interfaces are " "exposed",
)
base = results[3]
attr = base.members[0]
harness.check(
attr.exposureSet,
set(["Window", "Worker"]),
"Should expose on all globals where including interfaces are " "exposed",
)
|