зеркало из https://github.com/mozilla/gecko-dev.git
Bug 876098. Make sure to not skip calling addProperty hooks when objects have them. Otherwise DOM expandos can go AWOL. r=djvj
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@ -145,6 +145,7 @@ MOCHITEST_FILES = \
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test_resize_move_windows.html \
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test_bug862540.html \
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test_bug857555.html \
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test_bug876098.html \
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$(NULL)
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include $(topsrcdir)/config/rules.mk
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@ -0,0 +1,52 @@
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=876098
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 876098</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="application/javascript">
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/** Test for Bug 876098 **/
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var div = document.createElement("div");
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// count has to be large enough to trigger ion-compilation
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var count = 2000;
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// Separate function to make sure nothing weird we do block the ion-compile
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(function() {
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for (var i = 0; i < count; ++i) {
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var span = document.createElement("span");
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span.x = "foo";
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div.appendChild(span);
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}
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})();
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SpecialPowers.gc();
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function allHaveProp() {
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var kids = div.childNodes;
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for (var i = 0; i < count; ++i) {
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if (kids[i].x != "foo") {
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return false;
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}
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}
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return true;
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}
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ok(allHaveProp(), "All spans should have the property we added");
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</script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=876098">Mozilla Bug 876098</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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</body>
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</html>
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@ -2057,6 +2057,11 @@ IsPropertyAddInlineable(JSContext *cx, HandleObject obj, HandleId id, uint32_t o
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if (obj->getClass()->resolve != JS_ResolveStub)
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return false;
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// Likewise for a non-default addProperty hook, since we'll need
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// to invoke it.
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if (obj->getClass()->addProperty != JS_PropertyStub)
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return false;
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if (!obj->isExtensible() || !shape->writable())
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return false;
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