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1 // Copyright 2015 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 // Flags: --harmony-sharedarraybuffer | |
29 | |
30 // SharedArrayBuffer | |
31 | |
32 function TestByteLength(param, expectedByteLength) { | |
33 var sab = new SharedArrayBuffer(param); | |
34 assertSame(expectedByteLength, sab.byteLength); | |
35 } | |
36 | |
37 function TestArrayBufferCreation() { | |
38 TestByteLength(1, 1); | |
39 TestByteLength(256, 256); | |
40 TestByteLength(2.567, 2); | |
41 | |
42 TestByteLength("abc", 0); | |
43 | |
44 TestByteLength(0, 0); | |
45 | |
46 assertThrows(function() { new SharedArrayBuffer(-10); }, RangeError); | |
47 assertThrows(function() { new SharedArrayBuffer(-2.567); }, RangeError); | |
48 | |
49 /* TODO[dslomov]: Reenable the test | |
50 assertThrows(function() { | |
51 var ab1 = new SharedArrayBuffer(0xFFFFFFFFFFFF) | |
52 }, RangeError); | |
53 */ | |
54 | |
55 var sab = new SharedArrayBuffer(); | |
56 assertSame(0, sab.byteLength); | |
57 assertEquals("[object SharedArrayBuffer]", | |
58 Object.prototype.toString.call(sab)); | |
59 } | |
60 | |
61 TestArrayBufferCreation(); | |
62 | |
63 function TestByteLengthNotWritable() { | |
64 var sab = new SharedArrayBuffer(1024); | |
65 assertSame(1024, sab.byteLength); | |
66 | |
67 assertThrows(function() { "use strict"; sab.byteLength = 42; }, TypeError); | |
68 } | |
69 | |
70 TestByteLengthNotWritable(); | |
71 | |
72 function TestArrayBufferNoSlice() { | |
73 var sab = new SharedArrayBuffer(10); | |
74 assertEquals(undefined, sab.slice); | |
75 } | |
76 | |
77 TestArrayBufferNoSlice(); | |
78 | |
79 // Typed arrays using SharedArrayBuffers | |
80 | |
81 // TODO(binji): how many of these tests are necessary if there are no new | |
82 // TypedArray types? | |
83 | |
84 function MakeSharedTypedArray(constr, numElements) { | |
85 var sab = new SharedArrayBuffer(constr.BYTES_PER_ELEMENT * numElements); | |
86 return new constr(sab); | |
87 } | |
88 | |
89 function TestTypedArray(constr, elementSize, typicalElement) { | |
90 assertSame(elementSize, constr.BYTES_PER_ELEMENT); | |
91 | |
92 var sab = new SharedArrayBuffer(256*elementSize); | |
93 | |
94 var a0 = new constr(30); | |
95 assertEquals("[object " + constr.name + "]", | |
96 Object.prototype.toString.call(a0)); | |
97 | |
98 // TODO(binji): Should this return false here? It is a view, but it doesn't | |
99 // view a SharedArrayBuffer... | |
100 assertTrue(SharedArrayBuffer.isView(a0)); | |
101 assertSame(elementSize, a0.BYTES_PER_ELEMENT); | |
102 assertSame(30, a0.length); | |
103 assertSame(30*elementSize, a0.byteLength); | |
104 assertSame(0, a0.byteOffset); | |
105 assertSame(30*elementSize, a0.buffer.byteLength); | |
106 | |
107 var aOverBufferLen0 = new constr(sab, 128*elementSize, 0); | |
108 assertSame(sab, aOverBufferLen0.buffer); | |
109 assertSame(elementSize, aOverBufferLen0.BYTES_PER_ELEMENT); | |
110 assertSame(0, aOverBufferLen0.length); | |
111 assertSame(0, aOverBufferLen0.byteLength); | |
112 assertSame(128*elementSize, aOverBufferLen0.byteOffset); | |
113 | |
114 var a1 = new constr(sab, 128*elementSize, 128); | |
115 assertSame(sab, a1.buffer); | |
116 assertSame(elementSize, a1.BYTES_PER_ELEMENT); | |
117 assertSame(128, a1.length); | |
118 assertSame(128*elementSize, a1.byteLength); | |
119 assertSame(128*elementSize, a1.byteOffset); | |
120 | |
121 | |
122 var a2 = new constr(sab, 64*elementSize, 128); | |
123 assertSame(sab, a2.buffer); | |
124 assertSame(elementSize, a2.BYTES_PER_ELEMENT); | |
125 assertSame(128, a2.length); | |
126 assertSame(128*elementSize, a2.byteLength); | |
127 assertSame(64*elementSize, a2.byteOffset); | |
128 | |
129 var a3 = new constr(sab, 192*elementSize); | |
130 assertSame(sab, a3.buffer); | |
131 assertSame(64, a3.length); | |
132 assertSame(64*elementSize, a3.byteLength); | |
133 assertSame(192*elementSize, a3.byteOffset); | |
134 | |
135 var a4 = new constr(sab); | |
136 assertSame(sab, a4.buffer); | |
137 assertSame(256, a4.length); | |
138 assertSame(256*elementSize, a4.byteLength); | |
139 assertSame(0, a4.byteOffset); | |
140 | |
141 | |
142 var i; | |
143 for (i = 0; i < 128; i++) { | |
144 a1[i] = typicalElement; | |
145 } | |
146 | |
147 for (i = 0; i < 128; i++) { | |
148 assertSame(typicalElement, a1[i]); | |
149 } | |
150 | |
151 for (i = 0; i < 64; i++) { | |
152 assertSame(0, a2[i]); | |
153 } | |
154 | |
155 for (i = 64; i < 128; i++) { | |
156 assertSame(typicalElement, a2[i]); | |
157 } | |
158 | |
159 for (i = 0; i < 64; i++) { | |
160 assertSame(typicalElement, a3[i]); | |
161 } | |
162 | |
163 for (i = 0; i < 128; i++) { | |
164 assertSame(0, a4[i]); | |
165 } | |
166 | |
167 for (i = 128; i < 256; i++) { | |
168 assertSame(typicalElement, a4[i]); | |
169 } | |
170 | |
171 var aAtTheEnd = new constr(sab, 256*elementSize); | |
172 assertSame(elementSize, aAtTheEnd.BYTES_PER_ELEMENT); | |
173 assertSame(0, aAtTheEnd.length); | |
174 assertSame(0, aAtTheEnd.byteLength); | |
175 assertSame(256*elementSize, aAtTheEnd.byteOffset); | |
176 | |
177 assertThrows(function () { new constr(sab, 257*elementSize); }, RangeError); | |
178 assertThrows( | |
179 function () { new constr(sab, 128*elementSize, 192); }, | |
180 RangeError); | |
181 | |
182 if (elementSize !== 1) { | |
183 assertThrows(function() { new constr(sab, 128*elementSize - 1, 10); }, | |
184 RangeError); | |
185 var unalignedArrayBuffer = new SharedArrayBuffer(10*elementSize + 1); | |
186 var goodArray = new constr(unalignedArrayBuffer, 0, 10); | |
187 assertSame(10, goodArray.length); | |
188 assertSame(10*elementSize, goodArray.byteLength); | |
189 assertThrows(function() { new constr(unalignedArrayBuffer)}, RangeError); | |
190 assertThrows(function() { new constr(unalignedArrayBuffer, 5*elementSize)}, | |
191 RangeError); | |
192 } | |
193 | |
194 var abLen0 = new SharedArrayBuffer(0); | |
195 var aOverAbLen0 = new constr(abLen0); | |
196 assertSame(abLen0, aOverAbLen0.buffer); | |
197 assertSame(elementSize, aOverAbLen0.BYTES_PER_ELEMENT); | |
198 assertSame(0, aOverAbLen0.length); | |
199 assertSame(0, aOverAbLen0.byteLength); | |
200 assertSame(0, aOverAbLen0.byteOffset); | |
201 | |
202 var a = new constr(sab, 64*elementSize, 128); | |
203 assertEquals("[object " + constr.name + "]", | |
204 Object.prototype.toString.call(a)); | |
205 var desc = Object.getOwnPropertyDescriptor( | |
206 constr.prototype, Symbol.toStringTag); | |
207 assertTrue(desc.configurable); | |
208 assertFalse(desc.enumerable); | |
209 assertFalse(!!desc.writable); | |
210 assertFalse(!!desc.set); | |
211 assertEquals("function", typeof desc.get); | |
212 } | |
213 | |
214 TestTypedArray(Uint8Array, 1, 0xFF); | |
215 TestTypedArray(Int8Array, 1, -0x7F); | |
216 TestTypedArray(Uint16Array, 2, 0xFFFF); | |
217 TestTypedArray(Int16Array, 2, -0x7FFF); | |
218 TestTypedArray(Uint32Array, 4, 0xFFFFFFFF); | |
219 TestTypedArray(Int32Array, 4, -0x7FFFFFFF); | |
220 TestTypedArray(Float32Array, 4, 0.5); | |
221 TestTypedArray(Float64Array, 8, 0.5); | |
222 TestTypedArray(Uint8ClampedArray, 1, 0xFF); | |
223 | |
224 | |
225 function SubarrayTestCase(constructor, item, expectedResultLen, | |
226 expectedStartIndex, initialLen, start, end) { | |
227 var a = MakeSharedTypedArray(constructor, initialLen); | |
228 var s = a.subarray(start, end); | |
229 assertSame(constructor, s.constructor); | |
230 assertSame(expectedResultLen, s.length); | |
231 if (s.length > 0) { | |
232 s[0] = item; | |
233 assertSame(item, a[expectedStartIndex]); | |
234 } | |
235 } | |
236 | |
237 function TestSubArray(constructor, item) { | |
238 SubarrayTestCase(constructor, item, 512, 512, 1024, 512, 1024); | |
239 SubarrayTestCase(constructor, item, 512, 512, 1024, 512); | |
240 | |
241 SubarrayTestCase(constructor, item, 0, undefined, 0, 1, 20); | |
242 SubarrayTestCase(constructor, item, 100, 0, 100, 0, 100); | |
243 SubarrayTestCase(constructor, item, 100, 0, 100, 0, 1000); | |
244 SubarrayTestCase(constructor, item, 0, undefined, 100, 5, 1); | |
245 | |
246 SubarrayTestCase(constructor, item, 1, 89, 100, -11, -10); | |
247 SubarrayTestCase(constructor, item, 9, 90, 100, -10, 99); | |
248 SubarrayTestCase(constructor, item, 0, undefined, 100, -10, 80); | |
249 SubarrayTestCase(constructor, item, 10,80, 100, 80, -10); | |
250 | |
251 SubarrayTestCase(constructor, item, 10,90, 100, 90, "100"); | |
252 SubarrayTestCase(constructor, item, 10,90, 100, "90", "100"); | |
253 | |
254 SubarrayTestCase(constructor, item, 0, undefined, 100, 90, "abc"); | |
255 SubarrayTestCase(constructor, item, 10,0, 100, "abc", 10); | |
256 | |
257 SubarrayTestCase(constructor, item, 10,0, 100, 0.96, 10.96); | |
258 SubarrayTestCase(constructor, item, 10,0, 100, 0.96, 10.01); | |
259 SubarrayTestCase(constructor, item, 10,0, 100, 0.01, 10.01); | |
260 SubarrayTestCase(constructor, item, 10,0, 100, 0.01, 10.96); | |
261 | |
262 | |
263 SubarrayTestCase(constructor, item, 10,90, 100, 90); | |
264 SubarrayTestCase(constructor, item, 10,90, 100, -10); | |
265 } | |
266 | |
267 TestSubArray(Uint8Array, 0xFF); | |
268 TestSubArray(Int8Array, -0x7F); | |
269 TestSubArray(Uint16Array, 0xFFFF); | |
270 TestSubArray(Int16Array, -0x7FFF); | |
271 TestSubArray(Uint32Array, 0xFFFFFFFF); | |
272 TestSubArray(Int32Array, -0x7FFFFFFF); | |
273 TestSubArray(Float32Array, 0.5); | |
274 TestSubArray(Float64Array, 0.5); | |
275 TestSubArray(Uint8ClampedArray, 0xFF); | |
276 | |
277 function TestTypedArrayOutOfRange(constructor, value, result) { | |
278 var a = MakeSharedTypedArray(constructor, 1); | |
279 a[0] = value; | |
280 assertSame(result, a[0]); | |
281 } | |
282 | |
283 TestTypedArrayOutOfRange(Uint8Array, 0x1FA, 0xFA); | |
284 TestTypedArrayOutOfRange(Uint8Array, -1, 0xFF); | |
285 | |
286 TestTypedArrayOutOfRange(Int8Array, 0x1FA, 0x7A - 0x80); | |
287 | |
288 TestTypedArrayOutOfRange(Uint16Array, 0x1FFFA, 0xFFFA); | |
289 TestTypedArrayOutOfRange(Uint16Array, -1, 0xFFFF); | |
290 TestTypedArrayOutOfRange(Int16Array, 0x1FFFA, 0x7FFA - 0x8000); | |
291 | |
292 TestTypedArrayOutOfRange(Uint32Array, 0x1FFFFFFFA, 0xFFFFFFFA); | |
293 TestTypedArrayOutOfRange(Uint32Array, -1, 0xFFFFFFFF); | |
294 TestTypedArrayOutOfRange(Int32Array, 0x1FFFFFFFA, 0x7FFFFFFA - 0x80000000); | |
295 | |
296 TestTypedArrayOutOfRange(Uint8ClampedArray, 0x1FA, 0xFF); | |
297 TestTypedArrayOutOfRange(Uint8ClampedArray, -1, 0); | |
298 | |
299 var typedArrayConstructors = [ | |
300 Uint8Array, | |
301 Int8Array, | |
302 Uint16Array, | |
303 Int16Array, | |
304 Uint32Array, | |
305 Int32Array, | |
306 Uint8ClampedArray, | |
307 Float32Array, | |
308 Float64Array]; | |
309 | |
310 function TestPropertyTypeChecks(constructor) { | |
311 function CheckProperty(name) { | |
312 var d = Object.getOwnPropertyDescriptor(constructor.prototype, name); | |
313 var o = {}; | |
314 assertThrows(function() {d.get.call(o);}, TypeError); | |
315 for (var i = 0; i < typedArrayConstructors.length; i++) { | |
316 var ctor = typedArrayConstructors[i]; | |
317 var a = MakeSharedTypedArray(ctor, 10); | |
318 if (ctor === constructor) { | |
319 d.get.call(a); // shouldn't throw | |
320 } else { | |
321 assertThrows(function() {d.get.call(a);}, TypeError); | |
322 } | |
323 } | |
324 } | |
325 | |
326 CheckProperty("buffer"); | |
327 CheckProperty("byteOffset"); | |
328 CheckProperty("byteLength"); | |
329 CheckProperty("length"); | |
330 } | |
331 | |
332 for(i = 0; i < typedArrayConstructors.length; i++) { | |
333 TestPropertyTypeChecks(typedArrayConstructors[i]); | |
334 } | |
335 | |
336 function TestTypedArraySet() { | |
337 // Test array.set in different combinations. | |
338 | |
339 function assertArrayPrefix(expected, array) { | |
340 for (var i = 0; i < expected.length; ++i) { | |
341 assertEquals(expected[i], array[i]); | |
342 } | |
343 } | |
344 | |
345 // SharedTypedArrays don't allow initialization via array-like | |
346 function initializeFromArray(constructor, array) { | |
347 var buffer = MakeSharedTypedArray(constructor, array.length); | |
348 for (var i = 0; i < array.length; ++i) { | |
349 buffer[i] = array[i]; | |
350 } | |
351 return buffer; | |
352 } | |
353 | |
354 var a11 = initializeFromArray(Int16Array, [1, 2, 3, 4, 0, -1]) | |
355 var a12 = MakeSharedTypedArray(Uint16Array, 15); | |
356 a12.set(a11, 3) | |
357 assertArrayPrefix([0, 0, 0, 1, 2, 3, 4, 0, 0xffff, 0, 0], a12) | |
358 assertThrows(function(){ a11.set(a12) }) | |
359 | |
360 var a21 = [1, undefined, 10, NaN, 0, -1, {valueOf: function() {return 3}}] | |
361 var a22 = MakeSharedTypedArray(Int32Array, 12) | |
362 a22.set(a21, 2) | |
363 assertArrayPrefix([0, 0, 1, 0, 10, 0, 0, -1, 3, 0], a22) | |
364 | |
365 var a31 = initializeFromArray(Float32Array, [2, 4, 6, 8, 11, NaN, 1/0, -3]) | |
366 var a32 = a31.subarray(2, 6) | |
367 a31.set(a32, 4) | |
368 assertArrayPrefix([2, 4, 6, 8, 6, 8, 11, NaN], a31) | |
369 assertArrayPrefix([6, 8, 6, 8], a32) | |
370 | |
371 var a4 = initializeFromArray(Uint8ClampedArray, [3,2,5,6]) | |
372 a4.set(a4) | |
373 assertArrayPrefix([3, 2, 5, 6], a4) | |
374 | |
375 // Cases with overlapping backing store but different element sizes. | |
376 var b = new SharedArrayBuffer(4) | |
377 var a5 = new Int16Array(b) | |
378 var a50 = new Int8Array(b) | |
379 var a51 = new Int8Array(b, 0, 2) | |
380 var a52 = new Int8Array(b, 1, 2) | |
381 var a53 = new Int8Array(b, 2, 2) | |
382 | |
383 a5.set([0x5050, 0x0a0a]) | |
384 assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50) | |
385 assertArrayPrefix([0x50, 0x50], a51) | |
386 assertArrayPrefix([0x50, 0x0a], a52) | |
387 assertArrayPrefix([0x0a, 0x0a], a53) | |
388 | |
389 a50.set([0x50, 0x50, 0x0a, 0x0a]) | |
390 a51.set(a5) | |
391 assertArrayPrefix([0x50, 0x0a, 0x0a, 0x0a], a50) | |
392 | |
393 a50.set([0x50, 0x50, 0x0a, 0x0a]) | |
394 a52.set(a5) | |
395 assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50) | |
396 | |
397 a50.set([0x50, 0x50, 0x0a, 0x0a]) | |
398 a53.set(a5) | |
399 assertArrayPrefix([0x50, 0x50, 0x50, 0x0a], a50) | |
400 | |
401 a50.set([0x50, 0x51, 0x0a, 0x0b]) | |
402 a5.set(a51) | |
403 assertArrayPrefix([0x0050, 0x0051], a5) | |
404 | |
405 a50.set([0x50, 0x51, 0x0a, 0x0b]) | |
406 a5.set(a52) | |
407 assertArrayPrefix([0x0051, 0x000a], a5) | |
408 | |
409 a50.set([0x50, 0x51, 0x0a, 0x0b]) | |
410 a5.set(a53) | |
411 assertArrayPrefix([0x000a, 0x000b], a5) | |
412 | |
413 // Mixed types of same size. | |
414 var a61 = initializeFromArray(Float32Array, [1.2, 12.3]) | |
415 var a62 = MakeSharedTypedArray(Int32Array, 2) | |
416 a62.set(a61) | |
417 assertArrayPrefix([1, 12], a62) | |
418 a61.set(a62) | |
419 assertArrayPrefix([1, 12], a61) | |
420 | |
421 // Invalid source | |
422 var a = MakeSharedTypedArray(Uint16Array, 50); | |
423 var expected = []; | |
424 for (i = 0; i < 50; i++) { | |
425 a[i] = i; | |
426 expected.push(i); | |
427 } | |
428 a.set({}); | |
429 assertArrayPrefix(expected, a); | |
430 assertThrows(function() { a.set.call({}) }, TypeError); | |
431 assertThrows(function() { a.set.call([]) }, TypeError); | |
432 | |
433 assertThrows(function() { a.set(0); }, TypeError); | |
434 assertThrows(function() { a.set(0, 1); }, TypeError); | |
435 } | |
436 | |
437 TestTypedArraySet(); | |
438 | |
439 function TestTypedArraysWithIllegalIndices() { | |
440 var a = MakeSharedTypedArray(Int32Array, 100); | |
441 | |
442 a[-10] = 10; | |
443 assertEquals(undefined, a[-10]); | |
444 a["-10"] = 10; | |
445 assertEquals(undefined, a["-10"]); | |
446 | |
447 var s = " -10"; | |
448 a[s] = 10; | |
449 assertEquals(10, a[s]); | |
450 var s1 = " -10 "; | |
451 a[s] = 10; | |
452 assertEquals(10, a[s]); | |
453 | |
454 a["-1e2"] = 10; | |
455 assertEquals(10, a["-1e2"]); | |
456 assertEquals(undefined, a[-1e2]); | |
457 | |
458 a["-0"] = 256; | |
459 var s2 = " -0"; | |
460 a[s2] = 255; | |
461 assertEquals(undefined, a["-0"]); | |
462 assertEquals(255, a[s2]); | |
463 assertEquals(0, a[-0]); | |
464 | |
465 /* Chromium bug: 424619 | |
466 * a[-Infinity] = 50; | |
467 * assertEquals(undefined, a[-Infinity]); | |
468 */ | |
469 a[1.5] = 10; | |
470 assertEquals(undefined, a[1.5]); | |
471 var nan = Math.sqrt(-1); | |
472 a[nan] = 5; | |
473 assertEquals(undefined, a[nan]); | |
474 | |
475 var x = 0; | |
476 var y = -0; | |
477 assertEquals(Infinity, 1/x); | |
478 assertEquals(-Infinity, 1/y); | |
479 a[x] = 5; | |
480 a[y] = 27; | |
481 assertEquals(27, a[x]); | |
482 assertEquals(27, a[y]); | |
483 } | |
484 | |
485 TestTypedArraysWithIllegalIndices(); | |
486 | |
487 function TestTypedArraysWithIllegalIndicesStrict() { | |
488 'use strict'; | |
489 var a = MakeSharedTypedArray(Int32Array, 100); | |
490 | |
491 a[-10] = 10; | |
492 assertEquals(undefined, a[-10]); | |
493 a["-10"] = 10; | |
494 assertEquals(undefined, a["-10"]); | |
495 | |
496 var s = " -10"; | |
497 a[s] = 10; | |
498 assertEquals(10, a[s]); | |
499 var s1 = " -10 "; | |
500 a[s] = 10; | |
501 assertEquals(10, a[s]); | |
502 | |
503 a["-1e2"] = 10; | |
504 assertEquals(10, a["-1e2"]); | |
505 assertEquals(undefined, a[-1e2]); | |
506 | |
507 a["-0"] = 256; | |
508 var s2 = " -0"; | |
509 a[s2] = 255; | |
510 assertEquals(undefined, a["-0"]); | |
511 assertEquals(255, a[s2]); | |
512 assertEquals(0, a[-0]); | |
513 | |
514 /* Chromium bug: 424619 | |
515 * a[-Infinity] = 50; | |
516 * assertEquals(undefined, a[-Infinity]); | |
517 */ | |
518 a[1.5] = 10; | |
519 assertEquals(undefined, a[1.5]); | |
520 var nan = Math.sqrt(-1); | |
521 a[nan] = 5; | |
522 assertEquals(undefined, a[nan]); | |
523 | |
524 var x = 0; | |
525 var y = -0; | |
526 assertEquals(Infinity, 1/x); | |
527 assertEquals(-Infinity, 1/y); | |
528 a[x] = 5; | |
529 a[y] = 27; | |
530 assertEquals(27, a[x]); | |
531 assertEquals(27, a[y]); | |
532 } | |
533 | |
534 TestTypedArraysWithIllegalIndicesStrict(); | |
535 | |
536 // General tests for properties | |
537 | |
538 // Test property attribute [[Enumerable]] | |
539 function TestEnumerable(func, obj) { | |
540 function props(x) { | |
541 var array = []; | |
542 for (var p in x) array.push(p); | |
543 return array.sort(); | |
544 } | |
545 assertArrayEquals([], props(func)); | |
546 assertArrayEquals([], props(func.prototype)); | |
547 if (obj) | |
548 assertArrayEquals([], props(obj)); | |
549 } | |
550 TestEnumerable(ArrayBuffer, new SharedArrayBuffer()); | |
551 for(i = 0; i < typedArrayConstructors.length; i++) { | |
552 TestEnumerable(typedArrayConstructors[i]); | |
553 } | |
554 | |
555 // Test arbitrary properties on ArrayBuffer | |
556 function TestArbitrary(m) { | |
557 function TestProperty(map, property, value) { | |
558 map[property] = value; | |
559 assertEquals(value, map[property]); | |
560 } | |
561 for (var i = 0; i < 20; i++) { | |
562 TestProperty(m, 'key' + i, 'val' + i); | |
563 TestProperty(m, 'foo' + i, 'bar' + i); | |
564 } | |
565 } | |
566 TestArbitrary(new SharedArrayBuffer(256)); | |
567 for(i = 0; i < typedArrayConstructors.length; i++) { | |
568 TestArbitrary(MakeSharedTypedArray(typedArrayConstructors[i], 10)); | |
569 } | |
570 | |
571 // Test direct constructor call | |
572 assertThrows(function() { SharedArrayBuffer(); }, TypeError); | |
573 for(i = 0; i < typedArrayConstructors.length; i++) { | |
574 assertThrows(function(i) { typedArrayConstructors[i](); }.bind(this, i), | |
575 TypeError); | |
576 } | |
OLD | NEW |