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Diffstat (limited to 'dom/base/test/test_mutationobserver_anonymous.html')
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1 files changed, 265 insertions, 0 deletions
diff --git a/dom/base/test/test_mutationobserver_anonymous.html b/dom/base/test/test_mutationobserver_anonymous.html new file mode 100644 index 000000000..98ff6e3a4 --- /dev/null +++ b/dom/base/test/test_mutationobserver_anonymous.html @@ -0,0 +1,265 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1034110 +--> +<head> + <title>Test for Bug 1034110</title> + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1034110">Mozilla Bug 1034110</a> +<style type="text/css"> + #pseudo.before::before { content: "before"; } + #pseudo.after::after { content: "after"; } +</style> +<div id="pseudo"></div> +<video id="video"></video> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> + +<pre id="test"> +<script type="application/javascript;version=1.7"> + +/** Test for Bug 1034110 **/ + +SimpleTest.waitForExplicitFinish(); + +function getWalker(node) { + return SpecialPowers.createDOMWalker(node, true); +} + +function getFirstChild(parent) { + return SpecialPowers.unwrap(getWalker(parent).firstChild); +} + +function getLastChild(parent) { + return SpecialPowers.unwrap(getWalker(parent).lastChild); +} + +function assertSamePseudoElement(which, node1, node2) { + is(SpecialPowers.wrap(node1).nodeName, "_moz_generated_content_" + which, + "Correct pseudo element type"); + is(node1, node2, + "Referencing the same ::after element"); +} + +window.onload = function () { + testOneAdded(); +}; + +function testOneAdded() { + let parent = document.getElementById("pseudo"); + var m = new MutationObserver(function(records, observer) { + is(records.length, 1, "Correct number of records"); + is(records[0].type, "nativeAnonymousChildList", "Correct record type"); + is(records[0].target, parent, "Correct target"); + + is(records[0].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent)); + is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + observer.disconnect(); + testAddedAndRemoved(); + }); + + SpecialPowers.observeMutationEvents(m, parent, true); + parent.className = "before"; +} + +function testAddedAndRemoved() { + let parent = document.getElementById("pseudo"); + let originalBeforeElement = getFirstChild(parent); + var m = new MutationObserver(function(records, observer) { + is(records.length, 2, "Correct number of records"); + is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)"); + is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)"); + is(records[0].target, parent, "Correct target (1)"); + is(records[1].target, parent, "Correct target (2)"); + + // Two records are sent - one for removed and one for added. + is(records[0].addedNodes.length, 0, "Shouldn't have got addedNodes"); + is(records[0].removedNodes.length, 1, "Should have got removedNodes"); + assertSamePseudoElement("before", records[0].removedNodes[0], originalBeforeElement); + + is(records[1].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent)); + is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + observer.disconnect(); + testRemoved(); + }); + + SpecialPowers.observeMutationEvents(m, parent, true); + parent.className = "after"; +} + +function testRemoved() { + let parent = document.getElementById("pseudo"); + let originalAfterElement = getLastChild(parent); + var m = new MutationObserver(function(records, observer) { + is(records.length, 1, "Correct number of records"); + is(records[0].type, "nativeAnonymousChildList", "Correct record type"); + is(records[0].target, parent, "Correct target"); + + is(records[0].addedNodes.length, 0, "Shouldn't have got addedNodes"); + is(records[0].removedNodes.length, 1, "Should have got removedNodes"); + assertSamePseudoElement("after", records[0].removedNodes[0], originalAfterElement); + + observer.disconnect(); + testMultipleAdded(); + }); + + SpecialPowers.observeMutationEvents(m, parent, true); + parent.className = ""; +} + +function testMultipleAdded() { + let parent = document.getElementById("pseudo"); + var m = new MutationObserver(function(records, observer) { + is(records.length, 2, "Correct number of records"); + is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)"); + is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)"); + is(records[0].target, parent, "Correct target (1)"); + is(records[1].target, parent, "Correct target (2)"); + + is(records[0].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent)); + is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + is(records[1].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent)); + is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + observer.disconnect(); + testRemovedDueToDisplay(); + }); + + SpecialPowers.observeMutationEvents(m, parent, true); + parent.className = "before after"; +} + +function testRemovedDueToDisplay() { + let parent = document.getElementById("pseudo"); + let originalBeforeElement = getFirstChild(parent); + let originalAfterElement = getLastChild(parent); + var m = new MutationObserver(function(records, observer) { + is(records.length, 2, "Correct number of records"); + is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)"); + is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)"); + is(records[0].target, parent, "Correct target (1)"); + is(records[1].target, parent, "Correct target (2)"); + + is(records[0].addedNodes.length, 0, "Shouldn't have got addedNodes"); + is(records[0].removedNodes.length, 1, "Should have got removedNodes"); + assertSamePseudoElement("before", records[0].removedNodes[0], originalBeforeElement); + + is(records[1].addedNodes.length, 0, "Shouldn't have got addedNodes"); + is(records[1].removedNodes.length, 1, "Should have got removedNodes"); + assertSamePseudoElement("after", records[1].removedNodes[0], originalAfterElement); + + observer.disconnect(); + testAddedDueToDisplay(); + }); + + SpecialPowers.observeMutationEvents(m, parent, true); + parent.style.display = "none"; +} + +function testAddedDueToDisplay() { + let parent = document.getElementById("pseudo"); + var m = new MutationObserver(function(records, observer) { + is(records.length, 2, "Correct number of records"); + is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)"); + is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)"); + is(records[0].target, parent, "Correct target (1)"); + is(records[1].target, parent, "Correct target (2)"); + + is(records[0].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent)); + is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + is(records[1].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent)); + is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + observer.disconnect(); + testDifferentTargetNoSubtree(); + }); + + SpecialPowers.observeMutationEvents(m, parent, true); + parent.style.display = "block"; +} + +function testDifferentTargetNoSubtree() { + let parent = document.getElementById("pseudo"); + var m = new MutationObserver(function(records, observer) { + ok(false, + "No mutation should fire when observing on a parent without subtree option."); + }); + SpecialPowers.observeMutationEvents(m, document, true); + parent.style.display = "none"; + + // Wait for the actual mutation to come through, making sure that + // the original observer never fires. + var m2 = new MutationObserver(function(records, observer) { + ok(!getFirstChild(parent), "Pseudo element has been removed, but no mutation"); + ok(!getLastChild(parent), "Pseudo element has been removed, but no mutation"); + observer.disconnect(); + testSubtree(); + }); + SpecialPowers.observeMutationEvents(m2, parent, true); +} + +function testSubtree() { + let parent = document.getElementById("pseudo"); + var m = new MutationObserver(function(records, observer) { + is(records.length, 2, "Correct number of records"); + is(records[0].type, "nativeAnonymousChildList", "Correct record type (1)"); + is(records[1].type, "nativeAnonymousChildList", "Correct record type (2)"); + is(records[0].target, parent, "Correct target (1)"); + is(records[1].target, parent, "Correct target (2)"); + + is(records[0].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("before", records[0].addedNodes[0], getFirstChild(parent)); + is(records[0].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + is(records[1].addedNodes.length, 1, "Should have got addedNodes"); + assertSamePseudoElement("after", records[1].addedNodes[0], getLastChild(parent)); + is(records[1].removedNodes.length, 0, "Shouldn't have got removedNodes"); + + observer.disconnect(); + testDictionaryWithoutChromePriv(); + }); + SpecialPowers.observeMutationEvents(m, document, true, true); + parent.style.display = "block"; +} + +function testDictionaryWithoutChromePriv() +{ + var m = new MutationObserver(function() {}); + try { + m.observe(document, { childList: true, get nativeAnonymousChildList() { throw "Foo1"; } } ); + ok(true, "Shouldn't throw!"); + } catch(ex) { + ok(false, "Did throw " + ex); + } + + try { + m.observe(document, { childList: true, get animations() { throw "Foo2"; } } ); + ok(true, "Shouldn't throw!"); + } catch(ex) { + ok(false, "Did throw " + ex); + } + + SimpleTest.finish(); +} + +</script> +</pre> +</body> +</html> |