зеркало из https://github.com/mozilla/gecko-dev.git
266 строки
9.8 KiB
HTML
266 строки
9.8 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=1034110
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-->
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<head>
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<title>Test for Bug 1034110</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/EventUtils.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=1034110">Mozilla Bug 1034110</a>
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<style type="text/css">
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#pseudo.before::before { content: "before"; }
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#pseudo.after::after { content: "after"; }
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</style>
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<div id="pseudo"></div>
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<video id="video"></video>
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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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/** Test for Bug 1034110 **/
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SimpleTest.waitForExplicitFinish();
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function getWalker(node) {
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return SpecialPowers.createDOMWalker(node, true);
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}
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function getFirstChild(parent) {
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return SpecialPowers.unwrap(getWalker(parent).firstChild);
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}
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function getLastChild(parent) {
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return SpecialPowers.unwrap(getWalker(parent).lastChild);
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}
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function assertSamePseudoElement(which, node1, node2) {
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is(SpecialPowers.wrap(node1).nodeName, "_moz_generated_content_" + which,
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"Correct pseudo element type");
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is(node1, node2,
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"Referencing the same ::after element");
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}
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window.onload = function () {
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testOneAdded();
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};
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function testOneAdded() {
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let parent = document.getElementById("pseudo");
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var m = new MutationObserver(function(records, observer) {
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is(records.length, 1, "Correct number of records");
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is(records[0].type, "nativeAnonymousChildList", "Correct record type");
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is(records[0].target, parent, "Correct target");
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is(records[0].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent));
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is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes");
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observer.disconnect();
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testAddedAndRemoved();
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});
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SpecialPowers.observeMutationEvents(m, parent, true);
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parent.className = "before";
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}
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function testAddedAndRemoved() {
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let parent = document.getElementById("pseudo");
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let originalBeforeElement = getFirstChild(parent);
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var m = new MutationObserver(function(records, observer) {
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is(records.length, 2, "Correct number of records");
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is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)");
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is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)");
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is(records[0].target, parent, "Correct target (1)");
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is(records[1].target, parent, "Correct target (2)");
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// Two records are sent - one for removed and one for added.
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is(records[0].addedNodes.length, 0, "Shouldn't have got addedNodes");
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is(records[0].removedNodes.length, 1, "Should have got removedNodes");
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assertSamePseudoElement("before", records[0].removedNodes[0], originalBeforeElement);
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is(records[1].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent));
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is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes");
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observer.disconnect();
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testRemoved();
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});
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SpecialPowers.observeMutationEvents(m, parent, true);
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parent.className = "after";
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}
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function testRemoved() {
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let parent = document.getElementById("pseudo");
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let originalAfterElement = getLastChild(parent);
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var m = new MutationObserver(function(records, observer) {
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is(records.length, 1, "Correct number of records");
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is(records[0].type, "nativeAnonymousChildList", "Correct record type");
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is(records[0].target, parent, "Correct target");
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is(records[0].addedNodes.length, 0, "Shouldn't have got addedNodes");
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is(records[0].removedNodes.length, 1, "Should have got removedNodes");
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assertSamePseudoElement("after", records[0].removedNodes[0], originalAfterElement);
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observer.disconnect();
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testMultipleAdded();
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});
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SpecialPowers.observeMutationEvents(m, parent, true);
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parent.className = "";
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}
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function testMultipleAdded() {
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let parent = document.getElementById("pseudo");
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var m = new MutationObserver(function(records, observer) {
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is(records.length, 2, "Correct number of records");
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is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)");
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is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)");
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is(records[0].target, parent, "Correct target (1)");
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is(records[1].target, parent, "Correct target (2)");
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is(records[0].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent));
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is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes");
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is(records[1].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent));
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is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes");
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observer.disconnect();
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testRemovedDueToDisplay();
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});
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SpecialPowers.observeMutationEvents(m, parent, true);
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parent.className = "before after";
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}
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function testRemovedDueToDisplay() {
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let parent = document.getElementById("pseudo");
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let originalBeforeElement = getFirstChild(parent);
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let originalAfterElement = getLastChild(parent);
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var m = new MutationObserver(function(records, observer) {
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is(records.length, 2, "Correct number of records");
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is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)");
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is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)");
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is(records[0].target, parent, "Correct target (1)");
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is(records[1].target, parent, "Correct target (2)");
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is(records[0].addedNodes.length, 0, "Shouldn't have got addedNodes");
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is(records[0].removedNodes.length, 1, "Should have got removedNodes");
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assertSamePseudoElement("before", records[0].removedNodes[0], originalBeforeElement);
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is(records[1].addedNodes.length, 0, "Shouldn't have got addedNodes");
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is(records[1].removedNodes.length, 1, "Should have got removedNodes");
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assertSamePseudoElement("after", records[1].removedNodes[0], originalAfterElement);
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observer.disconnect();
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testAddedDueToDisplay();
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});
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SpecialPowers.observeMutationEvents(m, parent, true);
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parent.style.display = "none";
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}
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function testAddedDueToDisplay() {
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let parent = document.getElementById("pseudo");
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var m = new MutationObserver(function(records, observer) {
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is(records.length, 2, "Correct number of records");
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is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)");
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is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)");
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is(records[0].target, parent, "Correct target (1)");
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is(records[1].target, parent, "Correct target (2)");
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is(records[0].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent));
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is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes");
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is(records[1].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent));
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is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes");
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observer.disconnect();
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testDifferentTargetNoSubtree();
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});
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SpecialPowers.observeMutationEvents(m, parent, true);
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parent.style.display = "block";
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}
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function testDifferentTargetNoSubtree() {
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let parent = document.getElementById("pseudo");
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var m = new MutationObserver(function(records, observer) {
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ok(false,
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"No mutation should fire when observing on a parent without subtree option.");
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});
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SpecialPowers.observeMutationEvents(m, document, true);
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parent.style.display = "none";
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// Wait for the actual mutation to come through, making sure that
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// the original observer never fires.
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var m2 = new MutationObserver(function(records, observer) {
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ok(!getFirstChild(parent), "Pseudo element has been removed, but no mutation");
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ok(!getLastChild(parent), "Pseudo element has been removed, but no mutation");
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observer.disconnect();
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testSubtree();
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});
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SpecialPowers.observeMutationEvents(m2, parent, true);
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}
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function testSubtree() {
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let parent = document.getElementById("pseudo");
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var m = new MutationObserver(function(records, observer) {
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is(records.length, 2, "Correct number of records");
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is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)");
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is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)");
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is(records[0].target, parent, "Correct target (1)");
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is(records[1].target, parent, "Correct target (2)");
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is(records[0].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent));
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is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes");
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is(records[1].addedNodes.length, 1, "Should have got addedNodes");
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assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent));
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is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes");
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observer.disconnect();
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testDictionaryWithoutChromePriv();
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});
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SpecialPowers.observeMutationEvents(m, document, true, true);
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parent.style.display = "block";
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}
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function testDictionaryWithoutChromePriv()
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{
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var m = new MutationObserver(function() {});
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try {
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m.observe(document, { childList: true, get nativeAnonymousChildList() { throw "Foo1"; } } );
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ok(true, "Shouldn't throw!");
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} catch(ex) {
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ok(false, "Did throw " + ex);
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}
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try {
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m.observe(document, { childList: true, get animations() { throw "Foo2"; } } );
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ok(true, "Shouldn't throw!");
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} catch(ex) {
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ok(false, "Did throw " + ex);
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}
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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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