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<!DOCTYPE HTML>
<html>
<head>
<title>Test for content script</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
<script type="text/javascript" src="head.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="text/javascript">
"use strict";
add_task(function* test_content_script_css() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
"content_scripts": [{
"matches": ["http://mochi.test/*/file_sample.html"],
"css": ["content.css"],
}],
},
files: {
"content.css": "body { max-width: 42px; }",
},
});
yield extension.startup();
let win = window.open("file_sample.html");
yield waitForLoad(win);
let style = win.getComputedStyle(win.document.body);
is(style.maxWidth, "42px", "Stylesheet correctly applied");
yield extension.unload();
style = win.getComputedStyle(win.document.body);
is(style.maxWidth, "none", "Stylesheet correctly removed");
win.close();
});
</script>
</body>
</html>
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