зеркало из https://github.com/mozilla/gecko-dev.git
153 строки
5.6 KiB
HTML
153 строки
5.6 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=185236
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-->
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<head>
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<title>Test for Bug 185236</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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<script>
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var pendingEventCounter = 0;
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var messagePosted = false;
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(function() {
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is(messagePosted, true, "Should have gotten onmessage event");
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is(pendingEventCounter, 0,
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"How did onload for the page fire before onload for all the stylesheets?");
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SimpleTest.finish();
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});
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// Count the link we're about to parse
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pendingEventCounter = 1;
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</script>
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<link rel="stylesheet" href="data:text/css,*{}"
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onload="--pendingEventCounter;
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ok(true, 'Load event firing on basic stylesheet')"
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onerror="--pendingEventCounter;
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ok(false, 'Error event firing on basic stylesheet')">
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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=185236">Mozilla Bug 185236</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">
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/** Test for Bug 185236 **/
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// Verify that there are no in-flight sheet loads right now; we should have
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// waited for them when we hit the script tag
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is(pendingEventCounter, 0, "There should be no pending events");
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// Test sheet that will already be complete when we write it out
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++pendingEventCounter;
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// Make sure that a postMessage we do right now fires after the onload handler
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// for the stylesheet. If we ever change the timing of sheet onload, we will
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// need to change that.
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window.onmessage = function() {
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messagePosted = true;
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// There are 4 pending events: two from the two direct example.com loads,
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// and 2 from the two data:text/css loads that import things
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is(pendingEventCounter, 4, "Load event for sheet should have fired");
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}
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window.postMessage("", "*");
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document.write('<link rel="stylesheet" href="data:text/css,*{}"\
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onload="--pendingEventCounter;\
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ok(true, \'Load event firing on basic stylesheet\')"\
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onerror="--pendingEventCounter;\
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ok(false, \'Error event firing on basic stylesheet\')">');
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// Make sure we have that second stylesheet
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is(document.styleSheets.length, 3, "Should have three stylesheets");
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// Make sure that the second stylesheet is all loaded
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// If we ever switch away from sync loading of already-complete sheets, this
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// test will need adjusting
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is(document.styleSheets[2].cssRules.length, 1, "Should have one rule");
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// Make sure the load event for that stylesheet has not fired yet
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is(pendingEventCounter, 1, "There should be one pending event");
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++pendingEventCounter;
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document.write('<style\
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onload="--pendingEventCounter;\
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ok(true, \'Load event firing on inline stylesheet\')"\
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onerror="--pendingEventCounter;\
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ok(false, \'Error event firing on inline stylesheet\')"></style>');
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// Make sure the load event for that second stylesheet has not fired yet
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is(pendingEventCounter, 2, "There should be two pending events");
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++pendingEventCounter;
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document.write('<link rel="stylesheet" href="http://www.example.com"\
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onload="--pendingEventCounter;\
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ok(false, \'Load event firing on broken stylesheet\')"\
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onerror="--pendingEventCounter;\
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ok(true, \'Error event firing on broken stylesheet\')">');
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++pendingEventCounter;
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var link = document.createElement("link");
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link.rel = "stylesheet";
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link.href = "http://www.example.com";
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link.onload = function() { --pendingEventCounter;
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ok(false, 'Load event firing on broken stylesheet');
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};
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link.onerror = function() { --pendingEventCounter;
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ok(true, 'Error event firing on broken stylesheet');
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}
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document.body.appendChild(link);
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++pendingEventCounter;
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link = document.createElement("link");
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link.rel = "stylesheet";
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link.href = "data:text/css,*{}";
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link.onload = function() { --pendingEventCounter;
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ok(true, 'Load event firing on external stylesheet');
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};
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link.onerror = function() { --pendingEventCounter;
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ok(false, 'Error event firing on external stylesheet');
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}
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document.body.appendChild(link);
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// Make sure we have that last stylesheet
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is(document.styleSheets.length, 7, "Should have seven stylesheets here");
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// Make sure that the sixth stylesheet is all loaded
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// If we ever switch away from sync loading of already-complete sheets, this
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// test will need adjusting
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is(document.styleSheets[6].cssRules.length, 1, "Should have one rule");
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++pendingEventCounter;
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link = document.createElement("link");
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link.rel = "stylesheet";
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link.href = "data:text/css,@import url('data:text/css,*{}')";
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link.onload = function() { --pendingEventCounter;
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ok(true, 'Load event firing on external stylesheet');
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};
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link.onerror = function() { --pendingEventCounter;
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ok(false, 'Error event firing on external stylesheet');
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}
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document.body.appendChild(link);
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++pendingEventCounter;
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link = document.createElement("link");
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link.rel = "stylesheet";
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link.href = "data:text/css,@import url('http://www.example.com')";
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link.onload = function() { --pendingEventCounter;
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ok(false, 'Load event firing on broken stylesheet');
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};
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link.onerror = function() { --pendingEventCounter;
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ok(true, 'Error event firing on broken stylesheet');
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}
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document.body.appendChild(link);
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// Make sure the load events for all those stylesheets have not fired yet
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is(pendingEventCounter, 7, "There should be one pending event");
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</script>
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</pre>
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</body>
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</html>
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