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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/large-arraybuffers/max-typed-array-size.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/large-arraybuffers/max-typed-array-size.js')
-rw-r--r-- | js/src/jit-test/tests/large-arraybuffers/max-typed-array-size.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/large-arraybuffers/max-typed-array-size.js b/js/src/jit-test/tests/large-arraybuffers/max-typed-array-size.js new file mode 100644 index 0000000000..3cf01057b6 --- /dev/null +++ b/js/src/jit-test/tests/large-arraybuffers/max-typed-array-size.js @@ -0,0 +1,19 @@ +load(libdir + "asserts.js"); + +const maxByteLength = 8 * 1024 * 1024 * 1024; + +// Test only the smallest and largest element type, because allocating a lot of +// large buffers can be pretty slow. +for (let ctor of [Int8Array, BigInt64Array]) { + const maxLength = maxByteLength / ctor.BYTES_PER_ELEMENT; + let ta1 = new ctor(maxLength); + assertEq(ta1.length, maxLength); + ta1[maxLength - 1]++; + + let ta2 = new ctor(ta1.buffer, 0, maxLength); + assertEq(ta2.length, maxLength); + assertEq(ta1[maxLength - 1], ta2[maxLength - 1]); + + assertThrowsInstanceOf(() => new ctor(maxLength + 1), RangeError); + assertThrowsInstanceOf(() => new ctor(ta1.buffer, 0, maxLength + 1), RangeError); +} |