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-rw-r--r--LayoutTests/fast/dom/DOMImplementation/implementation-identity.html30
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diff --git a/LayoutTests/fast/dom/DOMImplementation/implementation-identity.html b/LayoutTests/fast/dom/DOMImplementation/implementation-identity.html
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+++ b/LayoutTests/fast/dom/DOMImplementation/implementation-identity.html
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+<body>
+<script>
+if (window.layoutTestController)
+ layoutTestController.dumpAsText();
+
+function print(message)
+{
+ var paragraph = document.createElement("li");
+ paragraph.appendChild(document.createTextNode(message));
+ document.getElementById("console").appendChild(paragraph);
+}
+
+function test()
+{
+ if (document.implementation != frames[0].document.implementation)
+ print("OK: Top-level document and iframe document have different DOMImplementation objects");
+ else
+ print("BUG: Top-level document and iframe document share a DOMImplementation object");
+
+ if (document.implementation === document.implementation)
+ print("OK: DOMImplementation object is cached");
+ else
+ print("BUG: DOMImplementation object is not cached");
+}
+</script>
+<p>This test checks that DOMImplementation object is created per document.</p>
+<p>If the test passes, you should see a few OK lines below.</p>
+<p><ol id=console></ol></p>
+<iframe src="about:blank" onload="test()"></iframe>
+</body>