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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js')
-rw-r--r-- | js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js b/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js new file mode 100644 index 0000000000..21ad5f5164 --- /dev/null +++ b/js/src/jit-test/tests/cacheir/store-dense-element-hole-non-extensible.js @@ -0,0 +1,55 @@ +// Store an element into a previous hole value and later add more elements +// exceeding the initialised length. Cover both mono- and polymorphic call +// sites. Change array length to non-extensible during execution. + +function testStoreDenseHole() { + var array = [/* hole */, /* hole */, /* hole */, /* hole */, ]; + + function store(ar, index) { + ar[index] = index; + } + + for (var i = 0; i < 10; ++i) { + if (i === 5) { + Object.preventExtensions(array); + } + store(array, i); + } + + assertEq(array.length, 5); + for (var i = 0; i < 5; ++i) { + assertEq(array[i], i); + } + for (var i = 5; i < 10; ++i) { + assertEq(i in array, false); + } +} +testStoreDenseHole(); + +function testStoreDenseHolePoly() { + var array = [/* hole */, /* hole */, /* hole */, /* hole */, ]; + + function store(ar, index) { + ar[index] = index; + } + + var objects = [array, {}]; + + for (var i = 0; i < 10; ++i) { + if (i === 5) { + Object.preventExtensions(array); + } + for (var j = 0; j < objects.length; ++j) { + store(objects[j], i); + } + } + + assertEq(array.length, 5); + for (var i = 0; i < 5; ++i) { + assertEq(array[i], i); + } + for (var i = 5; i < 10; ++i) { + assertEq(i in array, false); + } +} +testStoreDenseHolePoly(); |