зеркало из https://github.com/mozilla/gecko-dev.git
115 строки
4.4 KiB
HTML
115 строки
4.4 KiB
HTML
<?xml version="1.0"?>
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<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
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<window id="396649Test"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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width="600"
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height="600"
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onload="setTimeout(nextTest, 0);"
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title="bug 396649 test">
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<script type="application/javascript" src= "chrome://mochikit/content/chrome-harness.js" />
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<script type="application/javascript" src="docshell_helpers.js" />
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<script type="application/javascript"><![CDATA[
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// Define the generator-iterator for the tests.
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var tests = testIterator();
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// Maximum number of entries in the bfcache for this session history.
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// This number is hardcoded in docshell code. In the test, we'll
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// navigate through enough pages so that we hit one that's been
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// evicted from the bfcache because it's farther from the current
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// page than this number.
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const MAX_BFCACHE_PAGES = 3;
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////
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// Execute the next test in the generator function.
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//
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function nextTest() {
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tests.next();
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}
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////
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// Generator function for test steps for bug 396649: Content
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// viewers should be evicted from bfcache when going back if more
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// than MAX_BFCACHE_PAGES from the current index.
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//
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function* testIterator()
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{
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// Make sure bfcache is on.
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enableBFCache(true);
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// Load enough pages so that the first loaded is eviced from
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// the bfcache, since it is greater the MAX_BFCACHE_PAGES from
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// the current position in the session history. Verify all
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// of the pages are initially stored in the bfcache when
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// they're unloaded.
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for (var i = 0; i <= MAX_BFCACHE_PAGES + 1; i++) {
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doPageNavigation( {
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uri: "data:text/html,<!DOCTYPE html><html>" +
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"<head><title>bug396649 page" + i +
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"</title></head>" +
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"<body>" +
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"test page " + i +
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"</body></html>",
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eventsToListenFor: ["pageshow", "pagehide"],
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expectedEvents: [ { type: "pagehide",
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title: i == 0 ?
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undefined : "bug396649 page" + (i-1),
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persisted: true },
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{ type: "pageshow",
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title: "bug396649 page" + i } ],
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onNavComplete: nextTest
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} );
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yield undefined;
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}
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// Go back to the first page, one page at a time. The first
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// MAX_BFCACHE_PAGES pages loaded via back should come from the bfcache,
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// the last should not, since it should have been evicted during the
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// previous navigation sequence. Verify all pages are initially stored
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// in the bfcache when they're unloaded.
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for (i = MAX_BFCACHE_PAGES + 1; i > 0; i--) {
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doPageNavigation( {
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back: true,
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eventsToListenFor: ["pageshow", "pagehide"],
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expectedEvents: [ { type: "pagehide",
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title: "bug396649 page" + i,
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persisted: true },
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{ type: "pageshow",
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title: "bug396649 page" + (i - 1),
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persisted: i > 1 } ],
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onNavComplete: nextTest
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} );
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yield undefined;
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}
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// Traverse history forward now. Again, the first MAX_BFCACHE_PAGES
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// pages should come from the bfcache, the last should not,
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// since it should have been evicted during the backwards
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// traversal above. Verify all pages are initially stored
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// in the bfcache when they're unloaded.
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for (i = 1; i <= MAX_BFCACHE_PAGES + 1; i++) {
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doPageNavigation( {
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forward: true,
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eventsToListenFor: ["pageshow", "pagehide"],
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expectedEvents: [ { type: "pagehide",
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title: "bug396649 page" + (i-1),
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persisted: true },
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{ type: "pageshow",
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title: "bug396649 page" + i,
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persisted: i < MAX_BFCACHE_PAGES + 1 } ],
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onNavComplete: nextTest
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} );
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yield undefined;
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}
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// Tell the framework the test is finished.
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finish();
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}
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]]></script>
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<browser type="content" primary="true" flex="1" id="content" src="about:blank"/>
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</window>
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