LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html - Issue 19303002: Fix crash due to unexpected Node deletion during MutationObserver registration book-keeping

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Unified Diff: LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html

Issue 19303002: Fix crash due to unexpected Node deletion during MutationObserver registration book-keeping (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 5 months ago

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Index: LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html

diff --git a/LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html b/LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html

new file mode 100644

index 0000000000000000000000000000000000000000..2957e70f588a51de0506b47577259c989f4febd1

--- /dev/null

+++ b/LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html

@@ -0,0 +1,14 @@

+<!DOCTYPE html>

+<div>Test passes if it does not crash</div>

+<script>

+if (window.testRunner) testRunner.dumpAsText();

+var div = document.createElement('div');

+var span = document.createElement('span');

+div.appendChild(span);

+var observer = new MutationObserver(function(){});

+observer.observe(div, { attributes: true, subtree: true });

+div.removeChild(span); // cause span to become transiently observed

+div = null;

+gc(); // collect div's wrapper

+observer.disconnect();

+</script>

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