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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/at.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/at.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/at.js b/js/src/tests/non262/Array/at.js new file mode 100644 index 0000000000..e3227a3ec2 --- /dev/null +++ b/js/src/tests/non262/Array/at.js @@ -0,0 +1,39 @@ +function basic() { + assertEq([0].at(0), 0); + assertEq([0].at(-1), 0); + + assertEq([].at(0), undefined); + assertEq([].at(-1), undefined); + assertEq([].at(1), undefined); + + assertEq([0, 1].at(0), 0); + assertEq([0, 1].at(1), 1); + assertEq([0, 1].at(-2), 0); + assertEq([0, 1].at(-1), 1); + + assertEq([0, 1].at(2), undefined); + assertEq([0, 1].at(-3), undefined); + assertEq([0, 1].at(-4), undefined); + assertEq([0, 1].at(Infinity), undefined); + assertEq([0, 1].at(-Infinity), undefined); + assertEq([0, 1].at(NaN), 0); // ToInteger(NaN) = 0 +} + +function obj() { + var o = {length: 0, [0]: "a", at: Array.prototype.at}; + + assertEq(o.at(0), undefined); + assertEq(o.at(-1), undefined); + + o.length = 1; + assertEq(o.at(0), "a"); + assertEq(o.at(-1), "a"); + assertEq(o.at(1), undefined); + assertEq(o.at(-2), undefined); +} + +basic(); +obj(); + +if (typeof reportCompare === "function") + reportCompare(true, true); |