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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /js/xpconnect/tests/chrome/test_getweakmapkeys.xul | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'js/xpconnect/tests/chrome/test_getweakmapkeys.xul')
| -rw-r--r-- | js/xpconnect/tests/chrome/test_getweakmapkeys.xul | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/js/xpconnect/tests/chrome/test_getweakmapkeys.xul b/js/xpconnect/tests/chrome/test_getweakmapkeys.xul new file mode 100644 index 000000000..38edde562 --- /dev/null +++ b/js/xpconnect/tests/chrome/test_getweakmapkeys.xul @@ -0,0 +1,67 @@ +<?xml version="1.0"?> +<?xml-stylesheet type="text/css" href="chrome://global/skin"?> +<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=688277 +--> +<window title="Mozilla Bug " + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> + <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> + + <!-- test results are displayed in the html:body --> + <body xmlns="http://www.w3.org/1999/xhtml"> + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=" + target="_blank">Mozilla Bug 688277</a> + </body> + + <!-- test code goes here --> + <script type="application/javascript"> + <![CDATA[ + /** Test for Bug 688277 **/ + + let Cu = Components.utils; + + /* Fail gracefully if junk is passed in. */ + is(ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(11), undefined, + "nondeterministicGetWeakMapKeys should return undefined for non-objects"); + is(ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys({}), undefined, + "nondeterministicGetWeakMapKeys should return undefined for non-weakmap objects"); + is(ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(null), undefined, + "nondeterministicGetWeakMapKeys should return undefined for null"); + + /* return an empty array for an empty WeakMap */ + let mempty = new WeakMap(); + is(ThreadSafeChromeUtils.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(); + + Cu.schedulePreciseGC(function () { + let keys = ThreadSafeChromeUtils.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> +</window> |