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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/tests/mochitest/webcomponents/test_shadowroot_style.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/tests/mochitest/webcomponents/test_shadowroot_style.html')
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=806506
+-->
+<head>
+ <title>Test for ShadowRoot styling</title>
+ <script type="text/javascript" src="head.js"></script>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=806506">Bug 806506</a>
+<script>
+
+SimpleTest.waitForExplicitFinish();
+
+var content = '<div class="tall" id="bodydiv"></div>' +
+ '<div id="container"></div>';
+createIframe(content)
+ .then((aDocument) => {
+ var iframeWin = aDocument.defaultView;
+
+ // Create ShadowRoot.
+ var container = aDocument.getElementById("container");
+ var elem = aDocument.createElement("div");
+ container.appendChild(elem); // Put ShadowRoot host in document.
+ var root = elem.attachShadow({mode: "open"});
+
+ // A style element that will be appended into the ShadowRoot.
+ var shadowStyle = aDocument.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(aDocument.styleSheets.length, 0, "There shouldn't be any style sheet in the test frame document.");
+ is(root.styleSheets.length, 0, "The ShadowRoot should have no style sheets.");
+ root.appendChild(shadowStyle);
+ is(aDocument.styleSheets.length, 0, "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 = aDocument.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(iframeWin.getComputedStyle(aDocument.getElementById("bodydiv")).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(iframeWin.getComputedStyle(divToStyle).getPropertyValue("height"), "100px", "ShadowRoot style sheets should apply to elements in ShadowRoot.");
+
+ // Tests for author styles not applying in a ShadowRoot.
+ var authorStyle = aDocument.createElement("style");
+ authorStyle.innerHTML = ".fat { padding-right: 20px; padding-left: 30px; }";
+ aDocument.body.appendChild(authorStyle);
+ isnot(iframeWin.getComputedStyle(divToStyle).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot.");
+
+ // Test dynamic changes to style in ShadowRoot.
+ root.innerHTML = '<div id="divtostyle" class="dummy"></div>';
+ divToStyle = root.getElementById("divtostyle");
+ var dummyShadowStyle = aDocument.createElement("style");
+ dummyShadowStyle.innerHTML = ".dummy { height: 300px; }";
+ root.appendChild(dummyShadowStyle);
+ is(iframeWin.getComputedStyle(divToStyle).getPropertyValue("height"), "300px", "Dummy element in ShadowRoot should be styled by style in ShadowRoot.");
+ dummyShadowStyle.innerHTML = ".dummy { height: 200px; }";
+ is(iframeWin.getComputedStyle(divToStyle).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(iframeWin.getComputedStyle(divToStyle).getPropertyValue("padding-top"), "10px", "ID selector in style selector should match element.");
+
+ SimpleTest.finish();
+ });
+</script>
+</body>
+</html>
+