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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/TypedArray/sort_byteoffset.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/sort_byteoffset.js b/js/src/tests/non262/TypedArray/sort_byteoffset.js new file mode 100644 index 0000000000..b4e262c450 --- /dev/null +++ b/js/src/tests/non262/TypedArray/sort_byteoffset.js @@ -0,0 +1,30 @@ +// Ensure that when sorting TypedArrays we don't +// ignore byte offsets (bug 1290579). + +var sortFunctions = [Int32Array.prototype.sort]; + +// Also test with cross-compartment wrapped typed arrays. +if (typeof newGlobal === "function") { + var otherGlobal = newGlobal(); + sortFunctions.push(newGlobal().Int32Array.prototype.sort); +} + +// The bug manifests itself only with Float arrays, +// but checking everything here just for sanity. + +for (var ctor of anyTypedArrayConstructors) { + var ab = new ArrayBuffer(1025 * ctor.BYTES_PER_ELEMENT); + var ta = new ctor(ab, ctor.BYTES_PER_ELEMENT, 1024); + + // |testArray[0]| shouldn't be modified when sort() is called below. + var testArray = new ctor(ab, 0, 1); + testArray[0] = 1; + + for (var sortFn of sortFunctions) { + sortFn.call(ta); + assertEq(testArray[0], 1); + } +} + +if (typeof reportCompare === "function") + reportCompare(true, true); |