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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/indexOf-packed-array.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 'js/src/tests/non262/Array/indexOf-packed-array.js')
-rw-r--r-- | js/src/tests/non262/Array/indexOf-packed-array.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/indexOf-packed-array.js b/js/src/tests/non262/Array/indexOf-packed-array.js new file mode 100644 index 0000000000..97c2da8855 --- /dev/null +++ b/js/src/tests/non262/Array/indexOf-packed-array.js @@ -0,0 +1,40 @@ +function makeArray(array) { + var log = []; + Object.setPrototypeOf(array, new Proxy(Array.prototype, new Proxy({ + has(t, pk) { + log.push(`Has:${String(pk)}`); + return Reflect.has(t, pk); + }, + }, { + get(t, pk, r) { + if (pk in t) + return Reflect.get(t, pk, r); + throw new Error(`Unexpected trap "${pk}" called`); + } + }))); + return {array, log}; +} + + +var {array, log} = makeArray([1, null, 3]); +Array.prototype.indexOf.call(array, 100, { + valueOf() { + array.length = 0; + return 0; + } +}); +assertEqArray(log, ["Has:0", "Has:1", "Has:2"]); + + +var {array, log} = makeArray([5, undefined, 7]); +Array.prototype.lastIndexOf.call(array, 100, { + valueOf() { + array.length = 0; + return 2; + } +}); +assertEqArray(log, ["Has:2", "Has:1", "Has:0"]); + + +if (typeof reportCompare === "function") + reportCompare(true, true); |