mirror of
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81 lines
4.5 KiB
HTML
81 lines
4.5 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=806506
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-->
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<head>
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<title>Test for ShadowRoot styling</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 class="tall" id="bodydiv"></div>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=806506">Bug 806506</a>
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<script>
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// Create ShadowRoot.
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var elem = document.createElement("div");
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var root = elem.createShadowRoot();
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// A style element that will be appended into the ShadowRoot.
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var shadowStyle = document.createElement("style");
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shadowStyle.innerHTML = ".tall { height: 100px; } .fat { padding-left: inherit; }";
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root.innerHTML = '<div id="divtostyle" class="tall fat"></div>';
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var divToStyle = root.getElementById("divtostyle");
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// Make sure styleSheet counts are correct after appending a style to the ShadowRoot.
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is(document.styleSheets.length, 1, "There should only be one style sheet on the document from the test style sheet.");
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is(root.styleSheets.length, 0, "The ShadowRoot should have no style sheets.");
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root.appendChild(shadowStyle);
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is(document.styleSheets.length, 1, "Styles in the ShadowRoot element should not be accessible from the document.");
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is(root.styleSheets.length, 1, "ShadowRoot should have one style sheet from the appened style.");
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is(root.styleSheets[0].ownerNode, shadowStyle, "First style in ShadowRoot should match the style that was just appended.");
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var dummyStyle = document.createElement("style");
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root.appendChild(dummyStyle);
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is(root.styleSheets.length, 2, "ShadowRoot should have an additional style from appending dummyStyle.");
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is(root.styleSheets[1].ownerNode, dummyStyle, "Second style in ShadowRoot should be the dummyStyle.");
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root.removeChild(dummyStyle);
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is(root.styleSheets.length, 1, "Removing dummyStyle should remove it from the ShadowRoot style sheets.");
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is(root.styleSheets[0].ownerNode, shadowStyle, "The style sheet remaining in the ShadowRoot should be shadowStyle.");
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// Make sure that elements outside of the ShadowRoot are not affected by the ShadowRoot style.
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isnot(getComputedStyle(document.getElementById("bodydiv"), null).getPropertyValue("height"), "100px", "Style sheets in ShadowRoot should not apply to elements no in the ShadowRoot.");
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// Make sure that elements in the ShadowRoot are styled according to the ShadowRoot style.
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is(getComputedStyle(divToStyle, null).getPropertyValue("height"), "100px", "ShadowRoot style sheets should apply to elements in ShadowRoot.");
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// Tests for applyAuthorStyles.
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var authorStyle = document.createElement("style");
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authorStyle.innerHTML = ".fat { padding-right: 20px; padding-left: 30px; }";
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document.body.appendChild(authorStyle);
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is(root.applyAuthorStyles, false, "applyAuthorStyles defaults to false.");
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isnot(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot when ShadowRoot.applyAuthorStyles is false.");
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root.applyAuthorStyles = true;
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is(root.applyAuthorStyles, true, "applyAuthorStyles was set to true.");
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is(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should apply to ShadowRoot when ShadowRoot.applyAuthorStyles is true.");
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root.applyAuthorStyles = false;
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is(root.applyAuthorStyles, false, "applyAuthorStyles was set to false.");
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isnot(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot when ShadowRoot.applyAuthorStyles is false.");
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// Test dynamic changes to style in ShadowRoot.
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root.innerHTML = '<div id="divtostyle" class="dummy"></div>';
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divToStyle = root.getElementById("divtostyle");
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var dummyShadowStyle = document.createElement("style");
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dummyShadowStyle.innerHTML = ".dummy { height: 300px; }";
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root.appendChild(dummyShadowStyle);
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is(getComputedStyle(divToStyle, null).getPropertyValue("height"), "300px", "Dummy element in ShadowRoot should be styled by style in ShadowRoot.");
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dummyShadowStyle.innerHTML = ".dummy { height: 200px; }";
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is(getComputedStyle(divToStyle, null).getPropertyValue("height"), "200px", "Dynamic changes to styles in ShadowRoot should change style of affected elements.");
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// Test id selector in ShadowRoot style.
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root.innerHTML = '<style>#divtostyle { padding-top: 10px; }</style><div id="divtostyle"></div>';
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divToStyle = root.getElementById("divtostyle");
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is(getComputedStyle(divToStyle, null).getPropertyValue("padding-top"), "10px", "ID selector in style selector should match element.");
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</script>
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</body>
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</html>
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