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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/ion/bug998059.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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/ion/bug998059.js')
-rw-r--r-- | js/src/jit-test/tests/ion/bug998059.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug998059.js b/js/src/jit-test/tests/ion/bug998059.js new file mode 100644 index 0000000000..fc2c68d7f5 --- /dev/null +++ b/js/src/jit-test/tests/ion/bug998059.js @@ -0,0 +1,25 @@ +// Test various ways of changing the behavior of |typedArray.length|. + +function addLengthProperty() { + var x = new Uint16Array(); + Object.defineProperty(x, "length", {value:1}); + for (var i = 0; i < 5; i++) + assertEq(x.length, 1); +} +addLengthProperty(); + +function changePrototype() { + var x = new Uint16Array(); + x.__proto__ = [0]; + for (var i = 0; i < 5; i++) + assertEq(x.length, 1); +} +changePrototype(); + +function redefineLengthProperty() { + var x = new Uint16Array(); + Object.defineProperty(Uint16Array.prototype, "length", {value:1}); + for (var i = 0; i < 5; i++) + assertEq(x.length, 1); +} +redefineLengthProperty(); |