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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/Set/is-subset-of.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/Set/is-subset-of.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/js/src/tests/non262/Set/is-subset-of.js b/js/src/tests/non262/Set/is-subset-of.js new file mode 100644 index 0000000000..b6c74126b6 --- /dev/null +++ b/js/src/tests/non262/Set/is-subset-of.js @@ -0,0 +1,69 @@ +/* + * Any copyright is dedicated to the Public Domain. + * https://creativecommons.org/publicdomain/zero/1.0/ + */ + +if (typeof getBuildConfiguration === "undefined") { + var getBuildConfiguration = SpecialPowers.Cu.getJSTestingFunctions().getBuildConfiguration; +} + +if (typeof getRealmConfiguration === "undefined") { + var getRealmConfiguration = SpecialPowers.Cu.getJSTestingFunctions().getRealmConfiguration; +} + +if (getBuildConfiguration()['new-set-methods'] && getRealmConfiguration().enableNewSetMethods) { + + assertEq(typeof Set.prototype.isSubsetOf, 'function'); + assertEq(Set.prototype.isSubsetOf.length, 1); + assertEq(Set.prototype.isSubsetOf.name, 'isSubsetOf'); + + assertEq(new Set([1, true, null]).isSubsetOf(new Set()), false); + + assertEq(new Set([1, true, null]).isSubsetOf([1, true, null]), true); + assertEq(new Set([1, 2, 3]).isSubsetOf([2, 3, 4]), false); + assertEq(new Set([1, 2, 3]).isSubsetOf([1, 2, 3, 4]), true); + // Works when the argument is a custom iterable which follows the Symbol.iterator protocol + assertEq(new Set([1, 2, 3]).isSubsetOf(makeArrayIteratorWithHasMethod([3, 4])), false); + + // Works when the `this` is a custom iterable which follows the Symbol.iterator protocol + assertEq( + Set.prototype.isSubsetOf.call( + makeArrayIteratorWithHasMethod([1, 2, 3, 3, 2]), + makeArrayIteratorWithHasMethod([4, 5, 6]) + ), + false + ); + + // Does not modify the original set object + const set = new Set([1]); + assertEq(set.isSubsetOf(new Set([2])) !== set, true); + + // Argument must be iterable and an object + assertThrowsInstanceOf(function () { + const set = new Set(); + set.isSubsetOf(); + }, TypeError); + for (const arg of [null, {}, true, 1, undefined, NaN, Symbol(), ""]) { + assertThrowsInstanceOf(function () { + const set = new Set(); + set.isSubsetOf(arg); + }, TypeError); + } + + // `this` must be an Object + for (const arg of [null, undefined, Symbol()]) { + assertThrowsInstanceOf(function () { + Set.prototype.isSubsetOf.call(arg, []); + }, TypeError); + } + + // `this` must be iterable + assertThrowsInstanceOf(function () { + Set.prototype.isSubsetOf.call({}, []); + }, TypeError); +} else { + assertEq(typeof Set.prototype.isSubsetOf, 'undefined'); +} + +if (typeof reportCompare === "function") + reportCompare(true, true); |