The Tor Browser / file comparison
comparison: js/src/jit-test/tests/basic/testArrayBufferSlice.js
js/src/jit-test/tests/basic/testArrayBufferSlice.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
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replaced
| -1:000000000000 | 0:4e3da1b0381e |
|---|---|
| 1 function testSlice() { | |
| 2 function test(subBuf, starts, size) { | |
| 3 var byteLength = size; | |
| 4 var subBuffer = eval(subBuf); | |
| 5 var subArray = new Int8Array(subBuffer); | |
| 6 assertEq(subBuffer.byteLength, byteLength); | |
| 7 for (var i = 0; i < size; ++i) | |
| 8 assertEq(starts + i, subArray[i]); | |
| 9 } | |
| 10 | |
| 11 var buffer = new ArrayBuffer(32); | |
| 12 var array = new Int8Array(buffer); | |
| 13 for (var i = 0; i < 32; ++i) | |
| 14 array[i] = i; | |
| 15 | |
| 16 test("buffer.slice(0)", 0, 32); | |
| 17 test("buffer.slice(16)", 16, 16); | |
| 18 test("buffer.slice(24)", 24, 8); | |
| 19 test("buffer.slice(32)", 32, 0); | |
| 20 test("buffer.slice(40)", 32, 0); | |
| 21 test("buffer.slice(80)", 32, 0); | |
| 22 | |
| 23 test("buffer.slice(-8)", 24, 8); | |
| 24 test("buffer.slice(-16)", 16, 16); | |
| 25 test("buffer.slice(-24)", 8, 24); | |
| 26 test("buffer.slice(-32)", 0, 32); | |
| 27 test("buffer.slice(-40)", 0, 32); | |
| 28 test("buffer.slice(-80)", 0, 32); | |
| 29 | |
| 30 test("buffer.slice(0, 32)", 0, 32); | |
| 31 test("buffer.slice(0, 16)", 0, 16); | |
| 32 test("buffer.slice(8, 24)", 8, 16); | |
| 33 test("buffer.slice(16, 32)", 16, 16); | |
| 34 test("buffer.slice(24, 16)", 24, 0); | |
| 35 | |
| 36 test("buffer.slice(16, -8)", 16, 8); | |
| 37 test("buffer.slice(-20, 30)", 12, 18); | |
| 38 | |
| 39 test("buffer.slice(-8, -20)", 24, 0); | |
| 40 test("buffer.slice(-20, -8)", 12, 12); | |
| 41 test("buffer.slice(-40, 16)", 0, 16); | |
| 42 test("buffer.slice(-40, 40)", 0, 32); | |
| 43 | |
| 44 gczeal(7, 100000); | |
| 45 var nurseryBuf = new ArrayBuffer(32); | |
| 46 var arr = new Int8Array(nurseryBuf); | |
| 47 arr[0] = 77; | |
| 48 | |
| 49 // tenure nurseryBuf during the slice operation | |
| 50 nurseryBuf.slice; // Creates an object | |
| 51 schedulegc(1); | |
| 52 var newbuf = nurseryBuf.slice(0); | |
| 53 var arr2 = new Int8Array(newbuf); | |
| 54 assertEq(arr2[0], 77); | |
| 55 } | |
| 56 | |
| 57 testSlice(); |
