зеркало из https://github.com/mozilla/gecko-dev.git
123 строки
2.8 KiB
HTML
123 строки
2.8 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=147777
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-->
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<head>
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<title>Test for visited link coloring pref Bug 147777</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<style type="text/css">
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:link { float: left; }
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:visited { float: right; }
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</style>
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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=147777">Mozilla Bug 147777</a>
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<iframe id="iframe" src="visited-pref-iframe.html" style="width: 10em; height: 5em"></iframe>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 147777 **/
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function reinsert_node(e) {
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var sib = e.nextSibling;
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var par = e.parentNode;
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par.removeChild(e);
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par.insertBefore(e, sib);
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}
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function get_pref()
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{
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return SpecialPowers.getBoolPref("layout.css.visited_links_enabled");
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}
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function set_pref(val)
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{
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SpecialPowers.setBoolPref("layout.css.visited_links_enabled", val);
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}
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function snapshotsEqual(snap1, snap2)
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{
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return compareSnapshots(snap1, snap2, true)[0];
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}
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SimpleTest.waitForExplicitFinish();
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window.addEventListener("load", step1, false);
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var iframe, subdoc, subwin;
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var link;
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var start;
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var timeout;
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var unvisref; // reference image for unvisited style
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function step1()
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{
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is(get_pref(), true, "pref defaults to true");
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iframe = document.getElementById("iframe");
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subdoc = iframe.contentDocument;
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subwin = iframe.contentWindow;
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link = subdoc.getElementById("link");
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unvisref = snapshotWindow(subwin, false);
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// Now set the href of the link to a location that's actually visited.
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link.href = window.location;
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start = Date.now();
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// And wait for the link to get restyled when the history lets us
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// know it is (asynchronously).
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setTimeout(poll_for_visited_style, 100);
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}
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function poll_for_visited_style()
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{
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var snapshot = snapshotWindow(subwin, false);
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if (snapshotsEqual(unvisref, snapshot)) {
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// hasn't been styled yet
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setTimeout(poll_for_visited_style, 100);
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// If it never gets styled correctly, this test will fail because
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// this loop will never complete.
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} else {
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var end = Date.now();
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timeout = 3 * Math.max(end - start, 300);
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step2();
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}
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}
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function step2()
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{
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set_pref(false);
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// we don't handle dynamic changes of this pref; it only takes effect
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// when a new page loads
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reinsert_node(link);
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setTimeout(step3, timeout);
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}
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function step3()
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{
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var snapshot = snapshotWindow(subwin, false);
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ok(snapshotsEqual(unvisref, snapshot),
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":visited selector does not apply given false preference");
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// Set the pref back for the rest of the tests.
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set_pref(true);
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SimpleTest.finish();
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}
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</script>
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</pre>
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</body>
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</html>
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