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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/String/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/String/at.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/non262/String/at.js b/js/src/tests/non262/String/at.js new file mode 100644 index 0000000000..c994d44de1 --- /dev/null +++ b/js/src/tests/non262/String/at.js @@ -0,0 +1,38 @@ +function basic() { + assertEq("a".at(0), "a"); + assertEq("a".at(-1), "a"); + + assertEq("".at(0), undefined); + assertEq("".at(-1), undefined); + assertEq("".at(1), undefined); + + assertEq("ab".at(0), "a"); + assertEq("ab".at(1), "b"); + assertEq("ab".at(-2), "a"); + assertEq("ab".at(-1), "b"); + + assertEq("ab".at(2), undefined); + assertEq("ab".at(-3), undefined); + assertEq("ab".at(-4), undefined); + assertEq("ab".at(Infinity), undefined); + assertEq("ab".at(-Infinity), undefined); + assertEq("ab".at(NaN), "a"); // ToInteger(NaN) = 0 + + assertEq("\u{1f921}".at(0), "\u{d83e}"); + assertEq("\u{1f921}".at(1), "\u{dd21}"); +} + +function other() { + var n = 146; + assertEq(String.prototype.at.call(n, 0), "1"); + var obj = {}; + assertEq(String.prototype.at.call(obj, -1), "]"); + var b = true; + assertEq(String.prototype.at.call(b, 0), "t"); +} + +basic(); +other(); + +if (typeof reportCompare === "function") + reportCompare(true, true); |