<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=806506 --> <head> <title>Test for ShadowRoot styling</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <div class="tall" id="bodydiv"></div> <div id="container"></div> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=806506">Bug 806506</a> <script> // Create ShadowRoot. var container = document.getElementById("container"); var elem = document.createElement("div"); container.appendChild(elem); // Put ShadowRoot host in document. var root = elem.createShadowRoot(); // A style element that will be appended into the ShadowRoot. var shadowStyle = document.createElement("style"); shadowStyle.innerHTML = ".tall { height: 100px; } .fat { padding-left: inherit; }"; root.innerHTML = '<div id="divtostyle" class="tall fat"></div>'; var divToStyle = root.getElementById("divtostyle"); // Make sure styleSheet counts are correct after appending a style to the ShadowRoot. is(document.styleSheets.length, 1, "There should only be one style sheet on the document from the test style sheet."); is(root.styleSheets.length, 0, "The ShadowRoot should have no style sheets."); root.appendChild(shadowStyle); is(document.styleSheets.length, 1, "Styles in the ShadowRoot element should not be accessible from the document."); is(root.styleSheets.length, 1, "ShadowRoot should have one style sheet from the appened style."); is(root.styleSheets[0].ownerNode, shadowStyle, "First style in ShadowRoot should match the style that was just appended."); var dummyStyle = document.createElement("style"); root.appendChild(dummyStyle); is(root.styleSheets.length, 2, "ShadowRoot should have an additional style from appending dummyStyle."); is(root.styleSheets[1].ownerNode, dummyStyle, "Second style in ShadowRoot should be the dummyStyle."); root.removeChild(dummyStyle); is(root.styleSheets.length, 1, "Removing dummyStyle should remove it from the ShadowRoot style sheets."); is(root.styleSheets[0].ownerNode, shadowStyle, "The style sheet remaining in the ShadowRoot should be shadowStyle."); // Make sure that elements outside of the ShadowRoot are not affected by the ShadowRoot style. isnot(getComputedStyle(document.getElementById("bodydiv"), null).getPropertyValue("height"), "100px", "Style sheets in ShadowRoot should not apply to elements no in the ShadowRoot."); // Make sure that elements in the ShadowRoot are styled according to the ShadowRoot style. is(getComputedStyle(divToStyle, null).getPropertyValue("height"), "100px", "ShadowRoot style sheets should apply to elements in ShadowRoot."); // Tests for applyAuthorStyles. var authorStyle = document.createElement("style"); authorStyle.innerHTML = ".fat { padding-right: 20px; padding-left: 30px; }"; document.body.appendChild(authorStyle); is(root.applyAuthorStyles, false, "applyAuthorStyles defaults to false."); isnot(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot when ShadowRoot.applyAuthorStyles is false."); root.applyAuthorStyles = true; is(root.applyAuthorStyles, true, "applyAuthorStyles was set to true."); is(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should apply to ShadowRoot when ShadowRoot.applyAuthorStyles is true."); root.applyAuthorStyles = false; is(root.applyAuthorStyles, false, "applyAuthorStyles was set to false."); isnot(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot when ShadowRoot.applyAuthorStyles is false."); // Test dynamic changes to style in ShadowRoot. root.innerHTML = '<div id="divtostyle" class="dummy"></div>'; divToStyle = root.getElementById("divtostyle"); var dummyShadowStyle = document.createElement("style"); dummyShadowStyle.innerHTML = ".dummy { height: 300px; }"; root.appendChild(dummyShadowStyle); is(getComputedStyle(divToStyle, null).getPropertyValue("height"), "300px", "Dummy element in ShadowRoot should be styled by style in ShadowRoot."); dummyShadowStyle.innerHTML = ".dummy { height: 200px; }"; is(getComputedStyle(divToStyle, null).getPropertyValue("height"), "200px", "Dynamic changes to styles in ShadowRoot should change style of affected elements."); // Test id selector in ShadowRoot style. root.innerHTML = '<style>#divtostyle { padding-top: 10px; }</style><div id="divtostyle"></div>'; divToStyle = root.getElementById("divtostyle"); is(getComputedStyle(divToStyle, null).getPropertyValue("padding-top"), "10px", "ID selector in style selector should match element."); </script> </body> </html>