зеркало из https://github.com/mozilla/gecko-dev.git
174 строки
9.4 KiB
HTML
174 строки
9.4 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=887538
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-->
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<head>
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<title>Test for HTMLShadowElement</title>
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<script type="text/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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</head>
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<body>
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<div id="grabme"></div>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=887538">Bug 887538</a>
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<script>
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var host = document.createElement("span");
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// Create three shadow roots on a single host and make sure that shadow elements
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// are associated with the correct shadow root.
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var firstShadow = host.createShadowRoot();
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firstShadow.innerHTML = '<shadow id="shadowone"></shadow>';
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var secondShadow = host.createShadowRoot();
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secondShadow.innerHTML = '<shadow id="shadowtwo"></shadow>';
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var thirdShadow = host.createShadowRoot();
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thirdShadow.innerHTML = '<shadow id="shadowthree"></shadow>';
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is(firstShadow.getElementById("shadowone").olderShadowRoot, null, "Shadow element in oldest ShadowRoot should not be associated with a ShadowRoot.");
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is(secondShadow.getElementById("shadowtwo").olderShadowRoot, firstShadow, "Shadow element should be associated with older ShadowRoot.");
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is(thirdShadow.getElementById("shadowthree").olderShadowRoot, secondShadow, "Shadow element should be associated with older ShadowRoot.");
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// Only the first ShadowRoot in tree order is an insertion point.
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host = document.createElement("span");
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firstShadow = host.createShadowRoot();
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secondShadow = host.createShadowRoot();
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secondShadow.innerHTML = '<shadow id="shadowone"></shadow><shadow id="shadowtwo"></shadow>';
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var shadowElemOne = secondShadow.getElementById("shadowone");
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var shadowElemTwo = secondShadow.getElementById("shadowtwo");
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is(shadowElemOne.olderShadowRoot, firstShadow, "First <shadow> in tree order should be an insertion point.");
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is(shadowElemTwo.olderShadowRoot, null, "Second <shadow> in tree order should not be an insertion point.");
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// Remove the first <shadow> element and make sure the second <shadow> element becomes an insertion point.
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secondShadow.removeChild(shadowElemOne);
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is(shadowElemOne.olderShadowRoot, null, "<shadow> element not in a ShadowRoot is not an insertion point.");
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is(shadowElemTwo.olderShadowRoot, firstShadow, "Second <shadow> element should become insertion point after first is removed.");
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// Insert a <shadow> element before the current shadow insertion point and make sure that it becomes an insertion point.
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secondShadow.insertBefore(shadowElemOne, shadowElemTwo);
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is(shadowElemOne.olderShadowRoot, firstShadow, "<shadow> element inserted as first in tree order should become an insertion point.");
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is(shadowElemTwo.olderShadowRoot, null, "<shadow> element should no longer be an insertion point it another is inserted before.");
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// <shadow> element in fallback content is not an insertion point.
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host = document.createElement("span");
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firstShadow = host.createShadowRoot();
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secondShadow = host.createShadowRoot();
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secondShadow.innerHTML = '<content><shadow id="shadowone"></shadow></content><shadow id="shadowtwo"></shadow>';
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shadowElemOne = secondShadow.getElementById("shadowone");
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shadowElemTwo = secondShadow.getElementById("shadowtwo");
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is(shadowElemOne.olderShadowRoot, null, "<shadow> element in fallback content is not an insertion point.");
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is(shadowElemTwo.olderShadowRoot, null, "<shadow> element preceeded by another <shadow> element is not an insertion point.");
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// <shadow> element that is descendant of shadow element is not an insertion point.
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host = document.createElement("span");
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firstShadow = host.createShadowRoot();
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secondShadow = host.createShadowRoot();
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secondShadow.innerHTML = '<shadow><shadow id="shadowone"></shadow></shadow>';
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shadowElemOne = secondShadow.getElementById("shadowone");
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is(shadowElemOne.olderShadowRoot, null, "<shadow> element that is descendant of shadow element is not an insertion point.");
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// Check projection of <content> elements through <shadow> elements.
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host = document.createElement("span");
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firstShadow = host.createShadowRoot();
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secondShadow = host.createShadowRoot();
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firstShadow.innerHTML = '<content id="firstcontent"></content>';
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secondShadow.innerHTML = '<shadow><span id="one"></span><content id="secondcontent"></content><span id="four"></span></shadow>';
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host.innerHTML = '<span id="two"></span><span id="three"></span>';
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var firstContent = firstShadow.getElementById("firstcontent");
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var secondContent = secondShadow.getElementById("secondcontent");
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var firstDistNodes = firstContent.getDistributedNodes();
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var secondDistNodes = secondContent.getDistributedNodes();
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is(secondDistNodes.length, 2, "There should be two distributed nodes from the host.");
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ok(secondDistNodes[0].id == "two" &&
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secondDistNodes[1].id == "three", "Nodes projected from host should preserve order.");
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is(firstDistNodes.length, 4, "There should be four distributed nodes, two from the first shadow, two from the second shadow.");
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ok(firstDistNodes[0].id == "one" &&
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firstDistNodes[1].id == "two" &&
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firstDistNodes[2].id == "three" &&
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firstDistNodes[3].id == "four", "Reprojection through shadow should preserve node order.");
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// Remove a node from the host and make sure that it is removed from all insertion points.
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host.removeChild(host.firstChild);
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firstDistNodes = firstContent.getDistributedNodes();
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secondDistNodes = secondContent.getDistributedNodes();
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is(secondDistNodes.length, 1, "There should be one distriubted node remaining after removing node from host.");
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ok(secondDistNodes[0].id == "three", "Span with id=two should have been removed from content element.");
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is(firstDistNodes.length, 3, "There should be three distributed nodes remaining after removing node from host.");
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ok(firstDistNodes[0].id == "one" &&
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firstDistNodes[1].id == "three" &&
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firstDistNodes[2].id == "four", "Reprojection through shadow should preserve node order.");
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// Check projection of <shadow> elements to <content> elements.
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host = document.createElement("span");
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firstShadow = host.createShadowRoot();
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secondShadow = host.createShadowRoot();
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secondShadow.innerHTML = '<span id="firstspan"><shadow></shadow></span>';
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thirdShadow = secondShadow.getElementById("firstspan").createShadowRoot();
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thirdShadow.innerHTML = '<content id="firstcontent"></content>';
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firstContent = thirdShadow.getElementById("firstcontent");
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var shadowChild = document.createElement("span");
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firstShadow.appendChild(shadowChild);
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is(firstContent.getDistributedNodes()[0], shadowChild, "Elements in shadow insertioin point should be projected into content insertion points.");
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// Remove child of ShadowRoot and check that projected node is removed from insertion point.
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firstShadow.removeChild(firstShadow.firstChild);
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is(firstContent.getDistributedNodes().length, 0, "Reprojected element was removed from ShadowRoot, thus it should be removed from content insertion point.");
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// Check deeply nested projection of <shadow> elements.
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host = document.createElement("span");
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firstShadow = host.createShadowRoot();
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firstShadow.innerHTML = '<content></content>';
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secondShadow = host.createShadowRoot();
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secondShadow.innerHTML = '<shadow><content></content></shadow>';
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thirdShadow = host.createShadowRoot();
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thirdShadow.innerHTML = '<span id="firstspan"><shadow><content></content></shadow></span>';
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var fourthShadow = thirdShadow.getElementById("firstspan").createShadowRoot();
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fourthShadow.innerHTML = '<content id="firstcontent"></content>';
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firstContent = fourthShadow.getElementById("firstcontent");
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host.innerHTML = '<span></span>';
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is(firstContent.getDistributedNodes()[0], host.firstChild, "Child of host should be projected to insertion point.");
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// Remove node and make sure that it is removed from distributed nodes.
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host.removeChild(host.firstChild);
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is(firstContent.getDistributedNodes().length, 0, "Node removed from host should be removed from insertion point.");
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// Check projection of fallback content through <shadow> elements.
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host = document.createElement("span");
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firstShadow = host.createShadowRoot();
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firstShadow.innerHTML = '<content><span id="firstspan"></span></content>';
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secondShadow = host.createShadowRoot();
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secondShadow.innerHTML = '<span id="secondspan"><shadow id="firstshadow"></shadow></span>';
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firstShadowElem = secondShadow.getElementById("firstshadow");
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thirdShadow = secondShadow.getElementById("secondspan").createShadowRoot();
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thirdShadow.innerHTML = '<content id="firstcontent"></content>';
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firstContent = thirdShadow.getElementById("firstcontent");
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is(firstContent.getDistributedNodes().length, 1, "There should be one node distributed from fallback content.");
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is(firstContent.getDistributedNodes()[0], firstShadow.getElementById("firstspan"), "Fallback content should be distributed.");
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// Add some content to the host (causing the fallback content to be dropped) and make sure distribution nodes are updated.
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var newElem = document.createElement("div");
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firstShadowElem.appendChild(newElem);
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is(firstContent.getDistributedNodes().length, 1, "There should be one node distributed from the host.");
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is(firstContent.getDistributedNodes()[0], newElem, "Distributed node should be from host, not fallback content.");
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// Remove the distribution node and check that fallback content is used.
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firstShadowElem.removeChild(newElem);
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is(firstContent.getDistributedNodes().length, 1, "There should be one node distributed from fallback content.");
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is(firstContent.getDistributedNodes()[0], firstShadow.getElementById("firstspan"), "Fallback content should be distributed after removing node from host.");
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</script>
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</body>
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</html>
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