Dactyloidae/dom/tests/mochitest/webcomponents/test_shadowroot_style.html

<!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 author styles not applying in a ShadowRoot.
var authorStyle = document.createElement("style");
authorStyle.innerHTML = ".fat { padding-right: 20px; padding-left: 30px; }";
document.body.appendChild(authorStyle);

isnot(iframeWin.getComputedStyle(divToStyle, null).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 = 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>
import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo 2018-01-19 03:59:58 +08:00			`<!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.");`

Issue #2135 - Bug 1438129: Remove ShadowRoot.applyAuthorStyles. 2023-03-03 21:33:13 +08:00			`// Tests for author styles not applying in a ShadowRoot.`
import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo 2018-01-19 03:59:58 +08:00			`var authorStyle = document.createElement("style");`
			`authorStyle.innerHTML = ".fat { padding-right: 20px; padding-left: 30px; }";`
			`document.body.appendChild(authorStyle);`

Issue #2135 - Bug 1438129: Remove ShadowRoot.applyAuthorStyles. 2023-03-03 21:33:13 +08:00			`isnot(iframeWin.getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot.");`
import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo 2018-01-19 03:59:58 +08:00
			`// 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>`