Index: LayoutTests/media/track/media-element-move-to-new-document-assert.html |
diff --git a/LayoutTests/media/track/media-element-move-to-new-document-assert.html b/LayoutTests/media/track/media-element-move-to-new-document-assert.html |
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index 0000000000000000000000000000000000000000..ccaa218c43255b7d966b5148228fdc497e6b1795 |
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+++ b/LayoutTests/media/track/media-element-move-to-new-document-assert.html |
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+<!DOCTYPE html> |
+<p>Test for failing EventDispatchForbiddenScope assert when moving a |
+video with text track between documents.</p> |
+<video></video> |
+<iframe></iframe> |
+<script> |
+if (window.testRunner) |
+ testRunner.dumpAsText(); |
+ |
+var video = document.querySelector("video"); |
+var track = document.createElement("track"); |
+ |
+// Note: The order of setting the text track mode and appending the |
+// track element is important, in terms of implementation and spec: |
+// https://www.w3.org/Bugs/Public/show_bug.cgi?id=28973 |
+track.track.mode = "showing"; |
+video.appendChild(track); |
+ |
+// Move the video element to another document. |
+var iframe = document.querySelector("iframe"); |
+iframe.contentDocument.body.appendChild(video); |
+</script> |