third_party/WebKit/LayoutTests/fast/dom/HTMLCollection/HTMLCollection-namedItem-invalidate-no-crash.html - Issue 1674273004: Do not re-register cached id-name HTMLCollection at same invalidation type

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Unified Diff: third_party/WebKit/LayoutTests/fast/dom/HTMLCollection/HTMLCollection-namedItem-invalidate-no-crash.html

Issue 1674273004: Do not re-register cached id-name HTMLCollection at same invalidation type (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: added test Created 4 years, 10 months ago

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Index: third_party/WebKit/LayoutTests/fast/dom/HTMLCollection/HTMLCollection-namedItem-invalidate-no-crash.html

diff --git a/third_party/WebKit/LayoutTests/fast/dom/HTMLCollection/HTMLCollection-namedItem-invalidate-no-crash.html b/third_party/WebKit/LayoutTests/fast/dom/HTMLCollection/HTMLCollection-namedItem-invalidate-no-crash.html

new file mode 100644

index 0000000000000000000000000000000000000000..5f3e8c9580933b0b2fd23573b1feb6193bbead76

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/fast/dom/HTMLCollection/HTMLCollection-namedItem-invalidate-no-crash.html

@@ -0,0 +1,30 @@

+<!DOCTYPE html>

+<html>

+<head>

+<script src="../../../resources/js-test.js"></script>

+</head>

+<body>

+<pre id=p1></pre>

+<script>

+description("Invalidation of cached id-name collections must not crash.");

+if (window.testRunner)

+ testRunner.dumpAsText();

+var is = window["p1"];

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

+document.body.appendChild(div);

+div.appendChild(is[is.length - 2]);

+// Invalidate the underlying cache.

+is.namedItem("p1").remove();

+// Out of bounds index, updates the collection length.

+is.item(13);

+// Remove parent of collection member; must invalidate cached length.

+div.remove();

+// Force re-caching.

+is.namedItem("p1");

+</script>

+</body>

+</html>