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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/arrays/push-densely-nonwritable-length.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/arrays/push-densely-nonwritable-length.js')
-rw-r--r-- | js/src/jit-test/tests/arrays/push-densely-nonwritable-length.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arrays/push-densely-nonwritable-length.js b/js/src/jit-test/tests/arrays/push-densely-nonwritable-length.js new file mode 100644 index 0000000000..9c26661cb7 --- /dev/null +++ b/js/src/jit-test/tests/arrays/push-densely-nonwritable-length.js @@ -0,0 +1,31 @@ +function f(arr, v) +{ + arr.push(v); +} + +function basic(out) +{ + // Use a much-greater capacity than the eventual non-writable length. + var a = out.a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]; + Object.defineProperty(a, "length", { writable: false, value: 6 }); + + f(a, 99); +} + +var obj = {}; +var a; + +try +{ + basic(obj); + throw new Error("didn't throw!"); +} +catch (e) +{ + assertEq(e instanceof TypeError, true, "expected TypeError, got " + e); + + a = obj.a; + assertEq(a.hasOwnProperty(6), false); + assertEq(a[6], undefined); + assertEq(a.length, 6); +} |