diff options
Diffstat (limited to 'dom/tests/mochitest/webcomponents/test_shadowroot_style.html')
| -rw-r--r-- | dom/tests/mochitest/webcomponents/test_shadowroot_style.html | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/dom/tests/mochitest/webcomponents/test_shadowroot_style.html b/dom/tests/mochitest/webcomponents/test_shadowroot_style.html new file mode 100644 index 0000000000..f310ff97c4 --- /dev/null +++ b/dom/tests/mochitest/webcomponents/test_shadowroot_style.html @@ -0,0 +1,83 @@ +<!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> + |