| Index: chrome/test/data/prerender/prerender_visibility_hidden_quick.html
|
| ===================================================================
|
| --- chrome/test/data/prerender/prerender_visibility_hidden_quick.html (revision 0)
|
| +++ chrome/test/data/prerender/prerender_visibility_hidden_quick.html (revision 0)
|
| @@ -0,0 +1,41 @@
|
| +<html>
|
| +<!--
|
| +This test checks the visibility API when a prerendered page is visited without
|
| +being displayed, before the page has finished loading.
|
| +-->
|
| +<head>
|
| +<title>Prerender Visibility Hidden Quick Switch</title>
|
| +
|
| +<script>
|
| +// Checks visibility state while the page is still loading.
|
| +var lastState = document.webkitVisibilityState;
|
| +var loadingStatePassed = document.webkitHidden && lastState != 'visible';
|
| +var unexpectedStateChange = false;
|
| +
|
| +function onVisibilityChange(event) {
|
| + if (lastState == 'hidden' ||
|
| + document.webkitVisibilityState != 'hidden') {
|
| + unexpectedStateChange = true;
|
| + return;
|
| + }
|
| + lastState = document.webkitVisibilityState;
|
| +}
|
| +
|
| +document.addEventListener('webkitvisibilitychange',
|
| + onVisibilityChange,
|
| + false);
|
| +
|
| +// Checks that either the first visibility state was 'prerender' and there
|
| +// was one and only one visibility change event to 'hidden', or visibility
|
| +// was always 'hidden'.
|
| +function DidDisplayPass() {
|
| + return loadingStatePassed &&
|
| + !unexpectedStateChange &&
|
| + 'hidden' == document.webkitVisibilityState &&
|
| + document.webkitHidden;
|
| +}
|
| +</script>
|
| +
|
| +</head>
|
| +<body></body>
|
| +</html>
|
|
|
| Property changes on: chrome\test\data\prerender\prerender_visibility_hidden_quick.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 7693029:
Deflake PrerenderExcessiveMemory, fix race (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/