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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
commit | 40a355a42d4a9444dc753c04c6608dade2f06a23 (patch) | |
tree | 871fc667d2de662f171103ce5ec067014ef85e61 /js/src/jit-test/tests/typedarray/resizable-typedarray-intrinsic-byteOffset.js | |
parent | Adding upstream version 124.0.1. (diff) | |
download | firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.tar.xz firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.zip |
Adding upstream version 125.0.1.upstream/125.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/typedarray/resizable-typedarray-intrinsic-byteOffset.js')
-rw-r--r-- | js/src/jit-test/tests/typedarray/resizable-typedarray-intrinsic-byteOffset.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/typedarray/resizable-typedarray-intrinsic-byteOffset.js b/js/src/jit-test/tests/typedarray/resizable-typedarray-intrinsic-byteOffset.js new file mode 100644 index 0000000000..1b9f9a28e7 --- /dev/null +++ b/js/src/jit-test/tests/typedarray/resizable-typedarray-intrinsic-byteOffset.js @@ -0,0 +1,73 @@ +// |jit-test| --enable-arraybuffer-resizable; skip-if: !ArrayBuffer.prototype.resize + +const TypedArrayByteOffset = getSelfHostedValue("TypedArrayByteOffset"); + +function testTypedArrayByteOffset() { + let ab = new ArrayBuffer(100, {maxByteLength: 100}); + let typedArrays = [ + new Int8Array(ab), + new Int8Array(ab, 1), + new Int8Array(ab, 2), + new Int8Array(ab, 3), + ]; + + for (let i = 0; i < 200; ++i) { + let ta = typedArrays[i & 3]; + assertEq(TypedArrayByteOffset(ta), i & 3); + } +} +testTypedArrayByteOffset(); + +function testTypedArrayByteOffsetOutOfBounds() { + let ab = new ArrayBuffer(100, {maxByteLength: 100}); + let typedArrays = [ + new Int8Array(ab, 0, 10), + new Int8Array(ab, 1, 10), + new Int8Array(ab, 2, 10), + new Int8Array(ab, 3, 10), + ]; + + // Resize to zero to make all views out-of-bounds. + ab.resize(0); + + for (let i = 0; i < 200; ++i) { + let ta = typedArrays[i & 3]; + assertEq(TypedArrayByteOffset(ta), i & 3); + } +} +testTypedArrayByteOffsetOutOfBounds(); + +function testTypedArrayByteOffsetDetached() { + let ab = new ArrayBuffer(100, {maxByteLength: 100}); + let typedArrays = [ + new Int8Array(ab, 0, 10), + new Int8Array(ab, 1, 10), + new Int8Array(ab, 2, 10), + new Int8Array(ab, 3, 10), + ]; + + // Detach the buffer. + ab.transfer(); + + for (let i = 0; i < 200; ++i) { + let ta = typedArrays[i & 3]; + assertEq(TypedArrayByteOffset(ta), 0); + } +} +testTypedArrayByteOffsetDetached(); + +function testTypedArrayByteOffsetWithShared() { + let ab = new SharedArrayBuffer(100, {maxByteLength: 100}); + let typedArrays = [ + new Int8Array(ab), + new Int8Array(ab, 1), + new Int8Array(ab, 2), + new Int8Array(ab, 3), + ]; + + for (let i = 0; i < 200; ++i) { + let ta = typedArrays[i & 3]; + assertEq(TypedArrayByteOffset(ta), i & 3); + } +} +testTypedArrayByteOffsetWithShared(); |