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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_paris_weakmap_keys.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_paris_weakmap_keys.xul')
| -rw-r--r-- | js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul b/js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul new file mode 100644 index 000000000..ac7ff041d --- /dev/null +++ b/js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul @@ -0,0 +1,80 @@ +<?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=777385 +--> +<window title="Mozilla Bug 777385" + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> + <div></div> + <div id="mydivname"></div> + <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 777385</a> + </body> + + <!-- test code goes here --> + <script type="application/javascript"> + <![CDATA[ + /** Test for Bug 777385 **/ + + let Cu = Components.utils; + + let live_map = new WeakMap; + + let get_div_style = function () { + return document.getElementById("mydivname").style; + } + + let make_live_map = function () { + let my_div_style = get_div_style(); + let div_fail = false; + try { + live_map.set(my_div_style, 12345); + } catch (e) { + div_fail = true; + } + ok(!div_fail, "Using elem.style as a weak map key should not produce an exception."); + + is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value before GC."); + + } + + make_live_map(); + + // RGBColor is a non-nsISupports refCounted class using WebIDL bindings. + + // non-nsISupports cycle-collected classes should fail as weak map keys. + let context = window.getComputedStyle(document.documentElement, null).getPropertyCSSValue("color").getRGBColorValue(); + let contextFail = false; + try { + live_map.set(context, 2); + } catch (e) { + contextFail = true; + } + + ok(contextFail, "Cycle collected non-nsISupports classes aren't allowed as weak map keys."); + + /* Set up for running precise GC/CC then check the results. */ + + SimpleTest.waitForExplicitFinish(); + + Cu.schedulePreciseGC(function () { + SpecialPowers.DOMWindowUtils.cycleCollect(); + SpecialPowers.DOMWindowUtils.garbageCollect(); + SpecialPowers.DOMWindowUtils.garbageCollect(); + + is(ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(live_map).length, 1, + "Live nsISupports new DOM bindings wrappercached native weak map key should not be removed."); + + is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value after GC."); + + SimpleTest.finish(); + }); + + ]]> + </script> +</window> |