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Issue 1186713003: [mjsunit] Remove obsolete nosse2 tests. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 6 months ago
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1 // Copyright 2012 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: --allow-natives-syntax --noenable-sse2
29
30 // Helper
31 function assertInstance(o, f) {
32 assertSame(o.constructor, f);
33 assertInstanceof(o, f);
34 }
35
36 // This is a regression test for overlapping key and value registers.
37 function f(a) {
38 a[0] = 0;
39 a[1] = 0;
40 }
41
42 var a = new Int32Array(2);
43 for (var i = 0; i < 5; i++) {
44 f(a);
45 }
46 %OptimizeFunctionOnNextCall(f);
47 f(a);
48
49 assertEquals(0, a[0]);
50 assertEquals(0, a[1]);
51
52 // Test derivation from an ArrayBuffer
53 var ab = new ArrayBuffer(12);
54 assertInstance(ab, ArrayBuffer);
55 var derived_uint8 = new Uint8Array(ab);
56 assertInstance(derived_uint8, Uint8Array);
57 assertSame(ab, derived_uint8.buffer);
58 assertEquals(12, derived_uint8.length);
59 assertEquals(12, derived_uint8.byteLength);
60 assertEquals(0, derived_uint8.byteOffset);
61 assertEquals(1, derived_uint8.BYTES_PER_ELEMENT);
62 var derived_uint8_2 = new Uint8Array(ab,7);
63 assertInstance(derived_uint8_2, Uint8Array);
64 assertSame(ab, derived_uint8_2.buffer);
65 assertEquals(5, derived_uint8_2.length);
66 assertEquals(5, derived_uint8_2.byteLength);
67 assertEquals(7, derived_uint8_2.byteOffset);
68 assertEquals(1, derived_uint8_2.BYTES_PER_ELEMENT);
69 var derived_int16 = new Int16Array(ab);
70 assertInstance(derived_int16, Int16Array);
71 assertSame(ab, derived_int16.buffer);
72 assertEquals(6, derived_int16.length);
73 assertEquals(12, derived_int16.byteLength);
74 assertEquals(0, derived_int16.byteOffset);
75 assertEquals(2, derived_int16.BYTES_PER_ELEMENT);
76 var derived_int16_2 = new Int16Array(ab,6);
77 assertInstance(derived_int16_2, Int16Array);
78 assertSame(ab, derived_int16_2.buffer);
79 assertEquals(3, derived_int16_2.length);
80 assertEquals(6, derived_int16_2.byteLength);
81 assertEquals(6, derived_int16_2.byteOffset);
82 assertEquals(2, derived_int16_2.BYTES_PER_ELEMENT);
83 var derived_uint32 = new Uint32Array(ab);
84 assertInstance(derived_uint32, Uint32Array);
85 assertSame(ab, derived_uint32.buffer);
86 assertEquals(3, derived_uint32.length);
87 assertEquals(12, derived_uint32.byteLength);
88 assertEquals(0, derived_uint32.byteOffset);
89 assertEquals(4, derived_uint32.BYTES_PER_ELEMENT);
90 var derived_uint32_2 = new Uint32Array(ab,4);
91 assertInstance(derived_uint32_2, Uint32Array);
92 assertSame(ab, derived_uint32_2.buffer);
93 assertEquals(2, derived_uint32_2.length);
94 assertEquals(8, derived_uint32_2.byteLength);
95 assertEquals(4, derived_uint32_2.byteOffset);
96 assertEquals(4, derived_uint32_2.BYTES_PER_ELEMENT);
97 var derived_uint32_3 = new Uint32Array(ab,4,1);
98 assertInstance(derived_uint32_3, Uint32Array);
99 assertSame(ab, derived_uint32_3.buffer);
100 assertEquals(1, derived_uint32_3.length);
101 assertEquals(4, derived_uint32_3.byteLength);
102 assertEquals(4, derived_uint32_3.byteOffset);
103 assertEquals(4, derived_uint32_3.BYTES_PER_ELEMENT);
104 var derived_float64 = new Float64Array(ab,0,1);
105 assertInstance(derived_float64, Float64Array);
106 assertSame(ab, derived_float64.buffer);
107 assertEquals(1, derived_float64.length);
108 assertEquals(8, derived_float64.byteLength);
109 assertEquals(0, derived_float64.byteOffset);
110 assertEquals(8, derived_float64.BYTES_PER_ELEMENT);
111
112 // If a given byteOffset and length references an area beyond the end of the
113 // ArrayBuffer an exception is raised.
114 function abfunc3() {
115 new Uint32Array(ab,4,3);
116 }
117 assertThrows(abfunc3);
118 function abfunc4() {
119 new Uint32Array(ab,16);
120 }
121 assertThrows(abfunc4);
122
123 // The given byteOffset must be a multiple of the element size of the specific
124 // type, otherwise an exception is raised.
125 function abfunc5() {
126 new Uint32Array(ab,5);
127 }
128 assertThrows(abfunc5);
129
130 // If length is not explicitly specified, the length of the ArrayBuffer minus
131 // the byteOffset must be a multiple of the element size of the specific type,
132 // or an exception is raised.
133 var ab2 = new ArrayBuffer(13);
134 function abfunc6() {
135 new Uint32Array(ab2,4);
136 }
137 assertThrows(abfunc6);
138
139 // Test that an array constructed without an array buffer creates one properly.
140 a = new Uint8Array(31);
141 assertEquals(a.byteLength, a.buffer.byteLength);
142 assertEquals(a.length, a.buffer.byteLength);
143 assertEquals(a.length * a.BYTES_PER_ELEMENT, a.buffer.byteLength);
144 a = new Int16Array(5);
145 assertEquals(a.byteLength, a.buffer.byteLength);
146 assertEquals(a.length * a.BYTES_PER_ELEMENT, a.buffer.byteLength);
147 a = new Float64Array(7);
148 assertEquals(a.byteLength, a.buffer.byteLength);
149 assertEquals(a.length * a.BYTES_PER_ELEMENT, a.buffer.byteLength);
150
151 // Test that an implicitly created buffer is a valid buffer.
152 a = new Float64Array(7);
153 assertSame(a.buffer, (new Uint16Array(a.buffer)).buffer);
154 assertSame(a.buffer, (new Float32Array(a.buffer,4)).buffer);
155 assertSame(a.buffer, (new Int8Array(a.buffer,3,51)).buffer);
156 assertInstance(a.buffer, ArrayBuffer);
157
158 // Test the correct behavior of the |BYTES_PER_ELEMENT| property.
159 a = new Int32Array(2);
160 assertEquals(4, a.BYTES_PER_ELEMENT);
161 a.BYTES_PER_ELEMENT = 42;
162 a = new Uint8Array(2);
163 assertEquals(1, a.BYTES_PER_ELEMENT);
164 a = new Int16Array(2);
165 assertEquals(2, a.BYTES_PER_ELEMENT);
166
167 // Test Float64Arrays.
168 function get(a, index) {
169 return a[index];
170 }
171 function set(a, index, value) {
172 a[index] = value;
173 }
174 function temp() {
175 var array = new Float64Array(2);
176 for (var i = 0; i < 5; i++) {
177 set(array, 0, 2.5);
178 assertEquals(2.5, array[0]);
179 }
180 %OptimizeFunctionOnNextCall(set);
181 set(array, 0, 2.5);
182 assertEquals(2.5, array[0]);
183 set(array, 1, 3.5);
184 assertEquals(3.5, array[1]);
185 for (var i = 0; i < 5; i++) {
186 assertEquals(2.5, get(array, 0));
187 assertEquals(3.5, array[1]);
188 }
189 %OptimizeFunctionOnNextCall(get);
190 assertEquals(2.5, get(array, 0));
191 assertEquals(3.5, get(array, 1));
192 }
193
194 // Test non-number parameters.
195 var array_with_length_from_non_number = new Int32Array("2");
196 assertEquals(2, array_with_length_from_non_number.length);
197
198 // Test loads and stores.
199 types = [Array, Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array,
200 Uint32Array, Uint8ClampedArray, Float32Array, Float64Array];
201
202 test_result_nan = [NaN, 0, 0, 0, 0, 0, 0, 0, NaN, NaN];
203 test_result_low_int = [-1, -1, 255, -1, 65535, -1, 0xFFFFFFFF, 0, -1, -1];
204 test_result_low_double = [-1.25, -1, 255, -1, 65535, -1, 0xFFFFFFFF, 0, -1.25, - 1.25];
205 test_result_middle = [253.75, -3, 253, 253, 253, 253, 253, 254, 253.75, 253.75];
206 test_result_high_int = [256, 0, 0, 256, 256, 256, 256, 255, 256, 256];
207 test_result_high_double = [256.25, 0, 0, 256, 256, 256, 256, 255, 256.25, 256.25 ];
208
209 const kElementCount = 40;
210
211 function test_load(array, sum) {
212 for (var i = 0; i < kElementCount; i++) {
213 sum += array[i];
214 }
215 return sum;
216 }
217
218 function test_load_const_key(array, sum) {
219 sum += array[0];
220 sum += array[1];
221 sum += array[2];
222 return sum;
223 }
224
225 function test_store(array, sum) {
226 for (var i = 0; i < kElementCount; i++) {
227 sum += array[i] = i+1;
228 }
229 return sum;
230 }
231
232 function test_store_const_key(array, sum) {
233 sum += array[0] = 1;
234 sum += array[1] = 2;
235 sum += array[2] = 3;
236 return sum;
237 }
238
239 function zero() {
240 return 0.0;
241 }
242
243 function test_store_middle_tagged(array, sum) {
244 array[0] = 253.75;
245 return array[0];
246 }
247
248 function test_store_high_tagged(array, sum) {
249 array[0] = 256.25;
250 return array[0];
251 }
252
253 function test_store_middle_double(array, sum) {
254 array[0] = 253.75 + zero(); // + forces double type feedback
255 return array[0];
256 }
257
258 function test_store_high_double(array, sum) {
259 array[0] = 256.25 + zero(); // + forces double type feedback
260 return array[0];
261 }
262
263 function test_store_high_double(array, sum) {
264 array[0] = 256.25;
265 return array[0];
266 }
267
268 function test_store_low_int(array, sum) {
269 array[0] = -1;
270 return array[0];
271 }
272
273 function test_store_low_tagged(array, sum) {
274 array[0] = -1.25;
275 return array[0];
276 }
277
278 function test_store_low_double(array, sum) {
279 array[0] = -1.25 + zero(); // + forces double type feedback
280 return array[0];
281 }
282
283 function test_store_high_int(array, sum) {
284 array[0] = 256;
285 return array[0];
286 }
287
288 function test_store_nan(array, sum) {
289 array[0] = NaN;
290 return array[0];
291 }
292
293 const kRuns = 10;
294
295 function run_test(test_func, array, expected_result) {
296 for (var i = 0; i < 5; i++) test_func(array, 0);
297 %OptimizeFunctionOnNextCall(test_func);
298 var sum = 0;
299 for (var i = 0; i < kRuns; i++) {
300 sum = test_func(array, sum);
301 }
302 assertEquals(expected_result, sum);
303 %DeoptimizeFunction(test_func);
304 %ClearFunctionTypeFeedback(test_func);
305 }
306
307 function run_bounds_test(test_func, array, expected_result) {
308 assertEquals(undefined, a[kElementCount]);
309 a[kElementCount] = 456;
310 assertEquals(undefined, a[kElementCount]);
311 assertEquals(undefined, a[kElementCount+1]);
312 a[kElementCount+1] = 456;
313 assertEquals(undefined, a[kElementCount+1]);
314 }
315
316 for (var t = 0; t < types.length; t++) {
317 var type = types[t];
318 var a = new type(kElementCount);
319
320 for (var i = 0; i < kElementCount; i++) {
321 a[i] = i;
322 }
323
324 // Run test functions defined above.
325 run_test(test_load, a, 780 * kRuns);
326 run_test(test_load_const_key, a, 3 * kRuns);
327 run_test(test_store, a, 820 * kRuns);
328 run_test(test_store_const_key, a, 6 * kRuns);
329 run_test(test_store_low_int, a, test_result_low_int[t]);
330 run_test(test_store_low_double, a, test_result_low_double[t]);
331 run_test(test_store_low_tagged, a, test_result_low_double[t]);
332 run_test(test_store_high_int, a, test_result_high_int[t]);
333 run_test(test_store_nan, a, test_result_nan[t]);
334 run_test(test_store_middle_double, a, test_result_middle[t]);
335 run_test(test_store_middle_tagged, a, test_result_middle[t]);
336 run_test(test_store_high_double, a, test_result_high_double[t]);
337 run_test(test_store_high_tagged, a, test_result_high_double[t]);
338
339 // Test the correct behavior of the |length| property (which is read-only).
340 if (t != 0) {
341 assertEquals(kElementCount, a.length);
342 a.length = 2;
343 assertEquals(kElementCount, a.length);
344 assertTrue(delete a.length);
345
346 // Make sure bounds checks are handled correctly for external arrays.
347 run_bounds_test(a);
348 run_bounds_test(a);
349 run_bounds_test(a);
350 %OptimizeFunctionOnNextCall(run_bounds_test);
351 run_bounds_test(a);
352 %DeoptimizeFunction(run_bounds_test);
353 %ClearFunctionTypeFeedback(run_bounds_test);
354 }
355
356 function array_load_set_smi_check(a) {
357 return a[0] = a[0] = 1;
358 }
359
360 array_load_set_smi_check(a);
361 array_load_set_smi_check(0);
362
363 function array_load_set_smi_check2(a) {
364 return a[0] = a[0] = 1;
365 }
366
367 array_load_set_smi_check2(a);
368 %OptimizeFunctionOnNextCall(array_load_set_smi_check2);
369 array_load_set_smi_check2(a);
370 array_load_set_smi_check2(0);
371 %DeoptimizeFunction(array_load_set_smi_check2);
372 %ClearFunctionTypeFeedback(array_load_set_smi_check2);
373 }
374
375 // Check handling of undefined in 32- and 64-bit external float arrays.
376
377 function store_float32_undefined(ext_array) {
378 ext_array[0] = undefined;
379 }
380
381 var float32_array = new Float32Array(1);
382 // Make sure runtime does it right
383 store_float32_undefined(float32_array);
384 assertTrue(isNaN(float32_array[0]));
385 // Make sure the ICs do it right
386 store_float32_undefined(float32_array);
387 assertTrue(isNaN(float32_array[0]));
388 // Make sure that Cranskshft does it right.
389 %OptimizeFunctionOnNextCall(store_float32_undefined);
390 store_float32_undefined(float32_array);
391 assertTrue(isNaN(float32_array[0]));
392
393 function store_float64_undefined(ext_array) {
394 ext_array[0] = undefined;
395 }
396
397 var float64_array = new Float64Array(1);
398 // Make sure runtime does it right
399 store_float64_undefined(float64_array);
400 assertTrue(isNaN(float64_array[0]));
401 // Make sure the ICs do it right
402 store_float64_undefined(float64_array);
403 assertTrue(isNaN(float64_array[0]));
404 // Make sure that Cranskshft does it right.
405 %OptimizeFunctionOnNextCall(store_float64_undefined);
406 store_float64_undefined(float64_array);
407 assertTrue(isNaN(float64_array[0]));
408
409
410 // Check handling of 0-sized buffers and arrays.
411 ab = new ArrayBuffer(0);
412 assertInstance(ab, ArrayBuffer);
413 assertEquals(0, ab.byteLength);
414 a = new Int8Array(ab);
415 assertInstance(a, Int8Array);
416 assertEquals(0, a.byteLength);
417 assertEquals(0, a.length);
418 a[0] = 1;
419 assertEquals(undefined, a[0]);
420 ab = new ArrayBuffer(16);
421 assertInstance(ab, ArrayBuffer);
422 a = new Float32Array(ab,4,0);
423 assertInstance(a, Float32Array);
424 assertEquals(0, a.byteLength);
425 assertEquals(0, a.length);
426 a[0] = 1;
427 assertEquals(undefined, a[0]);
428 a = new Uint16Array(0);
429 assertInstance(a, Uint16Array);
430 assertEquals(0, a.byteLength);
431 assertEquals(0, a.length);
432 a[0] = 1;
433 assertEquals(undefined, a[0]);
434
435
436 // Check construction from arrays.
437 a = new Uint32Array([]);
438 assertInstance(a, Uint32Array);
439 assertEquals(0, a.length);
440 assertEquals(0, a.byteLength);
441 assertEquals(0, a.buffer.byteLength);
442 assertEquals(4, a.BYTES_PER_ELEMENT);
443 assertInstance(a.buffer, ArrayBuffer);
444 a = new Uint16Array([1,2,3]);
445 assertInstance(a, Uint16Array);
446 assertEquals(3, a.length);
447 assertEquals(6, a.byteLength);
448 assertEquals(6, a.buffer.byteLength);
449 assertEquals(2, a.BYTES_PER_ELEMENT);
450 assertEquals(1, a[0]);
451 assertEquals(3, a[2]);
452 assertInstance(a.buffer, ArrayBuffer);
453 a = new Uint32Array(a);
454 assertInstance(a, Uint32Array);
455 assertEquals(3, a.length);
456 assertEquals(12, a.byteLength);
457 assertEquals(12, a.buffer.byteLength);
458 assertEquals(4, a.BYTES_PER_ELEMENT);
459 assertEquals(1, a[0]);
460 assertEquals(3, a[2]);
461 assertInstance(a.buffer, ArrayBuffer);
462
463 // Check subarrays.
464 a = new Uint16Array([1,2,3,4,5,6]);
465 aa = a.subarray(3);
466 assertInstance(aa, Uint16Array);
467 assertEquals(3, aa.length);
468 assertEquals(6, aa.byteLength);
469 assertEquals(2, aa.BYTES_PER_ELEMENT);
470 assertSame(a.buffer, aa.buffer);
471 aa = a.subarray(3,5);
472 assertInstance(aa, Uint16Array);
473 assertEquals(2, aa.length);
474 assertEquals(4, aa.byteLength);
475 assertEquals(2, aa.BYTES_PER_ELEMENT);
476 assertSame(a.buffer, aa.buffer);
477 aa = a.subarray(4,8);
478 assertInstance(aa, Uint16Array);
479 assertEquals(2, aa.length);
480 assertEquals(4, aa.byteLength);
481 assertEquals(2, aa.BYTES_PER_ELEMENT);
482 assertSame(a.buffer, aa.buffer);
483 aa = a.subarray(9);
484 assertInstance(aa, Uint16Array);
485 assertEquals(0, aa.length);
486 assertEquals(0, aa.byteLength);
487 assertEquals(2, aa.BYTES_PER_ELEMENT);
488 assertSame(a.buffer, aa.buffer);
489 aa = a.subarray(-4);
490 assertInstance(aa, Uint16Array);
491 assertEquals(4, aa.length);
492 assertEquals(8, aa.byteLength);
493 assertEquals(2, aa.BYTES_PER_ELEMENT);
494 assertSame(a.buffer, aa.buffer);
495 aa = a.subarray(-3,-1);
496 assertInstance(aa, Uint16Array);
497 assertEquals(2, aa.length);
498 assertEquals(4, aa.byteLength);
499 assertEquals(2, aa.BYTES_PER_ELEMENT);
500 assertSame(a.buffer, aa.buffer);
501 aa = a.subarray(3,2);
502 assertInstance(aa, Uint16Array);
503 assertEquals(0, aa.length);
504 assertEquals(0, aa.byteLength);
505 assertEquals(2, aa.BYTES_PER_ELEMENT);
506 assertSame(a.buffer, aa.buffer);
507 aa = a.subarray(-3,-4);
508 assertInstance(aa, Uint16Array);
509 assertEquals(0, aa.length);
510 assertEquals(0, aa.byteLength);
511 assertEquals(2, aa.BYTES_PER_ELEMENT);
512 assertSame(a.buffer, aa.buffer);
513 aa = a.subarray(0,-8);
514 assertInstance(aa, Uint16Array);
515 assertEquals(0, aa.length);
516 assertEquals(0, aa.byteLength);
517 assertEquals(2, aa.BYTES_PER_ELEMENT);
518 assertSame(a.buffer, aa.buffer);
519
520 assertThrows(function(){ a.subarray.call({}, 0) });
521 assertThrows(function(){ a.subarray.call([], 0) });
522
523 // Try to call constructors directly as functions, and through .call
524 // and .apply. Should fail.
525
526 assertThrows(function() { ArrayBuffer(100); }, TypeError);
527 assertThrows(function() { Int8Array(b, 5, 77); }, TypeError);
528 assertThrows(function() { ArrayBuffer.call(null, 10); }, TypeError);
529 assertThrows(function() { Uint16Array.call(null, b, 2, 4); }, TypeError);
530 assertThrows(function() { ArrayBuffer.apply(null, [1000]); }, TypeError);
531 assertThrows(function() { Float32Array.apply(null, [b, 128, 1]); }, TypeError);
532
533 // Test array.set in different combinations.
534
535 function assertArrayPrefix(expected, array) {
536 for (var i = 0; i < expected.length; ++i) {
537 assertEquals(expected[i], array[i]);
538 }
539 }
540
541 var a11 = new Int16Array([1, 2, 3, 4, 0, -1])
542 var a12 = new Uint16Array(15)
543 a12.set(a11, 3)
544 assertArrayPrefix([0, 0, 0, 1, 2, 3, 4, 0, 0xffff, 0, 0], a12)
545 assertThrows(function(){ a11.set(a12) })
546
547 var a21 = [1, undefined, 10, NaN, 0, -1, {valueOf: function() {return 3}}]
548 var a22 = new Int32Array(12)
549 a22.set(a21, 2)
550 assertArrayPrefix([0, 0, 1, 0, 10, 0, 0, -1, 3, 0], a22)
551
552 var a31 = new Float32Array([2, 4, 6, 8, 11, NaN, 1/0, -3])
553 var a32 = a31.subarray(2, 6)
554 a31.set(a32, 4)
555 assertArrayPrefix([2, 4, 6, 8, 6, 8, 11, NaN], a31)
556 assertArrayPrefix([6, 8, 6, 8], a32)
557
558 var a4 = new Uint8ClampedArray([3,2,5,6])
559 a4.set(a4)
560 assertArrayPrefix([3, 2, 5, 6], a4)
561
562 // Cases with overlapping backing store but different element sizes.
563 var b = new ArrayBuffer(4)
564 var a5 = new Int16Array(b)
565 var a50 = new Int8Array(b)
566 var a51 = new Int8Array(b, 0, 2)
567 var a52 = new Int8Array(b, 1, 2)
568 var a53 = new Int8Array(b, 2, 2)
569
570 a5.set([0x5050, 0x0a0a])
571 assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50)
572 assertArrayPrefix([0x50, 0x50], a51)
573 assertArrayPrefix([0x50, 0x0a], a52)
574 assertArrayPrefix([0x0a, 0x0a], a53)
575
576 a50.set([0x50, 0x50, 0x0a, 0x0a])
577 a51.set(a5)
578 assertArrayPrefix([0x50, 0x0a, 0x0a, 0x0a], a50)
579
580 a50.set([0x50, 0x50, 0x0a, 0x0a])
581 a52.set(a5)
582 assertArrayPrefix([0x50, 0x50, 0x0a, 0x0a], a50)
583
584 a50.set([0x50, 0x50, 0x0a, 0x0a])
585 a53.set(a5)
586 assertArrayPrefix([0x50, 0x50, 0x50, 0x0a], a50)
587
588 a50.set([0x50, 0x51, 0x0a, 0x0b])
589 a5.set(a51)
590 assertArrayPrefix([0x0050, 0x0051], a5)
591
592 a50.set([0x50, 0x51, 0x0a, 0x0b])
593 a5.set(a52)
594 assertArrayPrefix([0x0051, 0x000a], a5)
595
596 a50.set([0x50, 0x51, 0x0a, 0x0b])
597 a5.set(a53)
598 assertArrayPrefix([0x000a, 0x000b], a5)
599
600 // Mixed types of same size.
601 var a61 = new Float32Array([1.2, 12.3])
602 var a62 = new Int32Array(2)
603 a62.set(a61)
604 assertArrayPrefix([1, 12], a62)
605 a61.set(a62)
606 assertArrayPrefix([1, 12], a61)
607
608 // Invalid source
609 assertThrows(function() { a.set(0); }, TypeError);
610 assertArrayPrefix([1,2,3,4,5,6], a);
611 a.set({}); // does not throw
612 assertArrayPrefix([1,2,3,4,5,6], a);
613
614
615 // Test arraybuffer.slice
616
617 var a0 = new Int8Array([1, 2, 3, 4, 5, 6])
618 var b0 = a0.buffer
619
620 var b1 = b0.slice(0)
621 assertEquals(b0.byteLength, b1.byteLength)
622 assertArrayPrefix([1, 2, 3, 4, 5, 6], new Int8Array(b1))
623
624 var b2 = b0.slice(3)
625 assertEquals(b0.byteLength - 3, b2.byteLength)
626 assertArrayPrefix([4, 5, 6], new Int8Array(b2))
627
628 var b3 = b0.slice(2, 4)
629 assertEquals(2, b3.byteLength)
630 assertArrayPrefix([3, 4], new Int8Array(b3))
631
632 function goo(a, i) {
633 return a[i];
634 }
635
636 function boo(a, i, v) {
637 return a[i] = v;
638 }
639
640 function do_tagged_index_external_array_test(constructor) {
641 var t_array = new constructor([1, 2, 3, 4, 5, 6]);
642 assertEquals(1, goo(t_array, 0));
643 assertEquals(1, goo(t_array, 0));
644 boo(t_array, 0, 13);
645 assertEquals(13, goo(t_array, 0));
646 %OptimizeFunctionOnNextCall(goo);
647 %OptimizeFunctionOnNextCall(boo);
648 boo(t_array, 0, 15);
649 assertEquals(15, goo(t_array, 0));
650 %ClearFunctionTypeFeedback(goo);
651 %ClearFunctionTypeFeedback(boo);
652 }
653
654 do_tagged_index_external_array_test(Int8Array);
655 do_tagged_index_external_array_test(Uint8Array);
656 do_tagged_index_external_array_test(Int16Array);
657 do_tagged_index_external_array_test(Uint16Array);
658 do_tagged_index_external_array_test(Int32Array);
659 do_tagged_index_external_array_test(Uint32Array);
660 do_tagged_index_external_array_test(Float32Array);
661 do_tagged_index_external_array_test(Float64Array);
662
663 var built_in_array = new Array(1, 2, 3, 4, 5, 6);
664 assertEquals(1, goo(built_in_array, 0));
665 assertEquals(1, goo(built_in_array, 0));
666 %OptimizeFunctionOnNextCall(goo);
667 %OptimizeFunctionOnNextCall(boo);
668 boo(built_in_array, 0, 11);
669 assertEquals(11, goo(built_in_array, 0));
670 %ClearFunctionTypeFeedback(goo);
671 %ClearFunctionTypeFeedback(boo);
672
673 built_in_array = new Array(1.5, 2, 3, 4, 5, 6);
674 assertEquals(1.5, goo(built_in_array, 0));
675 assertEquals(1.5, goo(built_in_array, 0));
676 %OptimizeFunctionOnNextCall(goo);
677 %OptimizeFunctionOnNextCall(boo);
678 boo(built_in_array, 0, 2.5);
679 assertEquals(2.5, goo(built_in_array, 0));
680 %ClearFunctionTypeFeedback(goo);
681 %ClearFunctionTypeFeedback(boo);
682
683 // Check all int range edge cases
684 function checkRange() {
685 var e32 = Math.pow(2,32); var e31 = Math.pow(2,31);
686 var e16 = Math.pow(2,16); var e15 = Math.pow(2,15);
687 var e8 = Math.pow(2,8); var e7 = Math.pow(2,7);
688 var a7 = new Uint32Array(2); var a71 = new Int32Array(2);
689 var a72 = new Uint16Array(2); var a73 = new Int16Array(2);
690 var a74 = new Uint8Array(2); var a75 = new Int8Array(2);
691 for (i = 1; i <= Math.pow(2,33); i *= 2) {
692 var j = i-1;
693 a7[0] = i; a71[0] = i; a72[0] = i; a73[0] = i; a74[0] = i; a75[0] = i;
694 a7[1] = j; a71[1] = j; a72[1] = j; a73[1] = j; a74[1] = j; a75[1] = j;
695
696 if (i < e32) { assertEquals(a7[0], i); } else { assertEquals(a7[0], 0); }
697 if (j < e32) { assertEquals(a7[1], j); } else { assertEquals(a7[1],e32-1); }
698 if (i < e31) { assertEquals(a71[0], i); } else {
699 assertEquals(a71[0], (i < e32) ? -e31 : 0 ); }
700 if (j < e31) { assertEquals(a71[1], j); } else { assertEquals(a71[1], -1); }
701
702 if (i < e16) { assertEquals(a72[0], i); } else { assertEquals(a72[0], 0); }
703 if (j < e16) { assertEquals(a72[1], j); } else { assertEquals(a72[1], e16-1) ; }
704 if (i < e15) { assertEquals(a73[0], i); } else {
705 assertEquals(a73[0], (i < e16) ? -e15 : 0 ); }
706 if (j < e15) { assertEquals(a73[1], j); } else { assertEquals(a73[1], -1); }
707
708 if (i < e8) { assertEquals(a74[0], i); } else { assertEquals(a74[0], 0); }
709 if (j < e8) { assertEquals(a74[1], j); } else { assertEquals(a74[1], e8-1); }
710 if (i < e7) { assertEquals(a75[0], i); } else {
711 assertEquals(a75[0], (i < e8) ? -e7 : 0); }
712 if (j < e7) { assertEquals(a75[1], j); } else { assertEquals(a75[1], -1); }
713 }
714 }
715 checkRange();
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