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+<html>
+
+<head>
+ <title>Explicit content and shadow DOM content relations tests</title>
+ <link rel="stylesheet" type="text/css"
+ href="chrome://mochikit/content/tests/SimpleTest/test.css" />
+
+ <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+
+ <script type="application/javascript"
+ src="../common.js"></script>
+ <script type="application/javascript"
+ src="../relations.js"></script>
+ <script type="application/javascript"
+ src="../role.js"></script>
+
+ <script type="application/javascript">
+ function doTest() {
+ // explicit content
+ let label = document.getElementById("label");
+ let element = document.getElementById("element");
+ testRelation(label, RELATION_LABEL_FOR, element);
+ testRelation(element, RELATION_LABELLED_BY, label);
+
+ // shadow DOM content
+ let shadowRoot = document.getElementById("shadowcontainer").shadowRoot;
+ let shadowLabel = shadowRoot.getElementById("label");
+ let shadowElement = shadowRoot.getElementById("element");
+
+ testRelation(shadowLabel, RELATION_LABEL_FOR, shadowElement);
+ testRelation(shadowElement, RELATION_LABELLED_BY, shadowLabel);
+
+ SimpleTest.finish();
+ }
+
+ SimpleTest.waitForExplicitFinish();
+
+ addA11yLoadEvent(doTest, window);
+ </script>
+</head>
+
+<body>
+ <p id="display"></p>
+ <div id="content">
+ <div id="label"></div>
+ <div id="element" aria-labelledby="label"></div>
+ <div id="shadowcontainer"></div>
+ <script>
+ let shadowRoot = document.getElementById("shadowcontainer").
+ attachShadow({mode: "open"});
+ shadowRoot.innerHTML =
+ `<div id="label"></div><div id="element" aria-labelledby="label"></div>`;
+ </script>
+ </div>
+ <pre id="test">
+ </pre>
+</body>
+</html>