зеркало из https://github.com/mozilla/gecko-dev.git
146 строки
4.4 KiB
HTML
146 строки
4.4 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=669671
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-->
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<head>
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<title>Test for Bug 669671</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=669671">Mozilla Bug 669671</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script type="application/javascript;version=1.7">
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/**
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* Test for Bug 669671.
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*
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* This is a bit complicated. We have a script, file_bug669671.sjs, which counts
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* how many times it's loaded and returns that count in the body of an HTML
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* document. For brevity, call this page X.
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*
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* X is sent with Cache-Control: max-age=0 and can't be bfcached (it has an
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* onunload handler). Our test does the following in a popup:
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*
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* 1) Load X?pushed, to prime the cache.
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* 2) Navigate to X.
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* 3) Call pushState and navigate from X to X?pushed.
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* 4) Navigate to X?navigated.
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* 5) Go back (to X?pushed).
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*
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* We do all this work so we can check that in step 5, we fetch X?pushed from
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* the network -- we shouldn't use our cached copy, because of the
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* cache-control header X sends.
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*
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* Then we go back and repeat the whole process but call history.replaceState
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* instead of pushState. And for good measure, we test once more, this time
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* modifying only the hash of the URI using replaceState. In this case, we
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* *should* load from the cache.
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*
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**/
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SimpleTest.waitForExplicitFinish();
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function onChildLoad()
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{
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SimpleTest.executeSoon(function() { gGen.next() });
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}
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var _loadCount = 0;
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function checkPopupLoadCount()
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{
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is(popup.document.body.innerHTML, _loadCount + '', 'Load count');
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// We normally want to increment _loadCount here. But if the test fails
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// because we didn't do a load we should have, let's not cause a cascade of
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// failures by incrementing _loadCount.
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var origCount = _loadCount;
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if (popup.document.body.innerHTML >= _loadCount + '')
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_loadCount++;
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return origCount;
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}
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function test()
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{
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// Step 0 - Make sure the count is reset to 0 in case of reload
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popup.location = 'file_bug669671.sjs?countreset';
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yield;
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is(popup.document.body.innerHTML, '0',
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'Load count should be reset to 0');
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// Step 1 - The popup's body counts how many times we've requested the
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// resource. This is the first time we've requested it, so it should be '0'.
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checkPopupLoadCount();
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// Step 2 - We'll get another onChildLoad when this finishes.
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popup.location = 'file_bug669671.sjs';
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yield undefined;
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// Step 3 - Call pushState and change the URI back to ?pushed.
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checkPopupLoadCount();
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popup.history.pushState('', '', '?pushed');
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// Step 4 - Navigate away. This should trigger another onChildLoad.
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popup.location = 'file_bug669671.sjs?navigated-1';
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yield undefined;
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// Step 5 - Go back. This should result in another onload (because the file is
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// not in bfcache) and should be the fourth time we've requested the sjs file.
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checkPopupLoadCount();
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popup.back();
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yield undefined;
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// This is the check which was failing before we fixed the bug.
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checkPopupLoadCount();
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popup.close();
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// Do the whole thing again, but with replaceState.
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popup = window.open('file_bug669671.sjs?replaced');
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yield undefined;
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checkPopupLoadCount();
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popup.location = 'file_bug669671.sjs';
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yield undefined;
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checkPopupLoadCount();
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popup.history.replaceState('', '', '?replaced');
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popup.location = 'file_bug669671.sjs?navigated-2';
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yield undefined;
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checkPopupLoadCount();
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popup.back();
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yield undefined;
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checkPopupLoadCount();
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popup.close();
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// Once more, with feeling. Notice that we don't have to prime the cache
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// with an extra load here, because X and X#hash share the same cache entry.
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popup = window.open('file_bug669671.sjs?hash-test');
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yield undefined;
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var initialCount = checkPopupLoadCount();
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popup.history.replaceState('', '', '#hash');
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popup.location = 'file_bug669671.sjs?navigated-3';
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yield undefined;
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checkPopupLoadCount();
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popup.back();
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yield undefined;
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is(popup.document.body.innerHTML, initialCount + '',
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'Load count (should be cached)');
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popup.close();
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SimpleTest.finish();
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yield undefined;
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}
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// This will call into onChildLoad once it loads.
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var popup = window.open('file_bug669671.sjs?pushed');
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var gGen = test();
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</script>
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</pre>
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</body>
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</html>
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