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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/tests/non262/Array/to-length.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 '')
-rw-r--r-- | js/src/tests/non262/Array/to-length.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/to-length.js b/js/src/tests/non262/Array/to-length.js new file mode 100644 index 0000000000..d6b4c6d7cd --- /dev/null +++ b/js/src/tests/non262/Array/to-length.js @@ -0,0 +1,40 @@ +const max = Number.MAX_SAFE_INTEGER; + +assertEq(Array.prototype.indexOf.call({length: Infinity, [max - 1]: 'test'}, 'test', max - 3), max - 1); +assertEq(Array.prototype.lastIndexOf.call({length: Infinity, [max - 2]: 'test', [max - 1]: 'test2'}, 'test'), max - 2); + +// ToLength doesn't truncate Infinity to zero, so the callback should be invoked +assertThrowsValue(() => Array.prototype.every.call({length: Infinity, [0]: undefined}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.some.call({length: Infinity, [0]: undefined}, () => { throw "invoked" }), "invoked"); +// Timeout before calling our callback +// assertThrowsValue(() => Array.prototype.sort.call({length: Infinity}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.forEach.call({length: Infinity, [0]: undefined}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.filter.call({length: Infinity, [0]: undefined}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.reduce.call({length: Infinity, [0]: undefined, [1]: undefined}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.reduceRight.call({length: Infinity, [max - 1]: undefined, [max - 2]: undefined}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.find.call({length: Infinity}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.findIndex.call({length: Infinity}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.fill.call({length: Infinity, set "0"(v) { throw "invoked"; }}, () => { throw "invoked" }), "invoked"); +assertThrowsValue(() => Array.prototype.copyWithin.call({length: Infinity, get [max - 2]() { throw "invoked"; }}, max - 2, max - 2), "invoked"); + +assertEq(Array.prototype.includes.call({length: Infinity, [max - 1]: "test"}, "test", max - 3), true); + +// Invoking the Array constructor with MAX_SAFE_INTEGER will throw, 0 won't +assertThrowsInstanceOf(() => Array.from({length: Infinity}), RangeError); + +// Make sure ArraySpeciesCreate is called with ToLength applied to the length property +var proxy = new Proxy([], { + get(target, property) { + if (property === "length") + return Infinity; + + assertEq(property, "constructor"); + function fakeConstructor(length) { assertEq(length, max); throw "invoked"; }; + fakeConstructor[Symbol.species] = fakeConstructor; + return fakeConstructor; + } +}) +assertThrowsValue(() => Array.prototype.map.call(proxy, () => { }), "invoked"); + +if (typeof reportCompare === "function") + reportCompare(true, true); |