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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/xpconnect/tests/mochitest/test_getweakmapkeys.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | js/xpconnect/tests/mochitest/test_getweakmapkeys.html | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/js/xpconnect/tests/mochitest/test_getweakmapkeys.html b/js/xpconnect/tests/mochitest/test_getweakmapkeys.html new file mode 100644 index 0000000000..7942d9b945 --- /dev/null +++ b/js/xpconnect/tests/mochitest/test_getweakmapkeys.html @@ -0,0 +1,59 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=688277 +--> +<head> + <meta charset="utf-8"> + <title>Tests for nondeterministicGetWeakMapKeys</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <script type="application/javascript"> + /** Test for Bug 688277 **/ + + /* Fail gracefully if junk is passed in. */ + is(SpecialPowers.nondeterministicGetWeakMapKeys(11), undefined, + "nondeterministicGetWeakMapKeys should return undefined for non-objects"); + is(SpecialPowers.nondeterministicGetWeakMapKeys({}), undefined, + "nondeterministicGetWeakMapKeys should return undefined for non-weakmap objects"); + is(SpecialPowers.nondeterministicGetWeakMapKeys(null), undefined, + "nondeterministicGetWeakMapKeys should return undefined for null"); + + /* return an empty array for an empty WeakMap */ + let mempty = new WeakMap(); + is(SpecialPowers.nondeterministicGetWeakMapKeys(mempty).length, 0, + "nondeterministicGetWeakMapKeys should return empty array for empty weakmap"); + + /* Test freeing/nonfreeing. */ + let m = new WeakMap(); + let liveKeys = new Array(); + + let add_elements = function () { + let k1 = {}; + m.set(k1, "live1"); + liveKeys.push(k1); + + let k2 = {}; + m.set(k2, "dead1"); + + let k = {}; + m.set(k, k); /* simple cycle */ + }; + + add_elements(); + + SpecialPowers.exactGC(function () { + let keys = SpecialPowers.nondeterministicGetWeakMapKeys(m); + is(liveKeys.length, 1, "Wrong number of live keys."); + is(keys.length, 1, "Should have one weak map key."); + is(m.get(keys[0]), "live1", "live1 should be live"); + SimpleTest.finish(); + }); + + SimpleTest.waitForExplicitFinish(); + </script> +</head> +<body> +<p id="display"></p> +</body> +</html> |