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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/tests/mochitest/webcomponents/test_shadowroot_style_order.html | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/tests/mochitest/webcomponents/test_shadowroot_style_order.html')
-rw-r--r-- | dom/tests/mochitest/webcomponents/test_shadowroot_style_order.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/dom/tests/mochitest/webcomponents/test_shadowroot_style_order.html b/dom/tests/mochitest/webcomponents/test_shadowroot_style_order.html new file mode 100644 index 000000000..524b9bcca --- /dev/null +++ b/dom/tests/mochitest/webcomponents/test_shadowroot_style_order.html @@ -0,0 +1,42 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=806506 +--> +<head> + <title>Test for ShadowRoot style order</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 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(); + +// Style elements that will be appended into the ShadowRoot. +var tallShadowStyle = document.createElement("style"); +tallShadowStyle.innerHTML = ".tall { height: 100px; }"; + +var veryTallShadowStyle = document.createElement("style"); +veryTallShadowStyle.innerHTML = ".tall { height: 200px; }"; + +var divToStyle = document.createElement("div"); +divToStyle.setAttribute("class", "tall"); +root.appendChild(divToStyle); + +// Make sure the styles are applied in tree order. +root.appendChild(tallShadowStyle); +is(root.styleSheets.length, 1, "ShadowRoot should have one style sheet."); +is(window.getComputedStyle(divToStyle, null).getPropertyValue("height"), "100px", "Style in ShadowRoot should apply to elements in ShadowRoot."); +root.appendChild(veryTallShadowStyle); +is(root.styleSheets.length, 2, "ShadowRoot should have two style sheets."); +is(window.getComputedStyle(divToStyle, null).getPropertyValue("height"), "200px", "Style in ShadowRoot should apply to elements in ShadowRoot in tree order."); + +</script> +</body> +</html> |