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47 lines
1.3 KiB
HTML
47 lines
1.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test for background page canvas rendering</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
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<script type="text/javascript" src="head.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<script type="text/javascript">
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"use strict";
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add_task(function* test_background_canvas() {
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function background() {
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try {
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let canvas = document.createElement("canvas");
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let context = canvas.getContext("2d");
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// This ensures that we have a working PresShell, and can successfully
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// calculate font metrics.
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context.font = "8pt fixed";
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browser.test.notifyPass("background-canvas");
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} catch (e) {
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browser.test.fail(`Error: ${e} :: ${e.stack}`);
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browser.test.notifyFail("background-canvas");
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}
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}
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let extensionData = {
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background,
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};
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let extension = ExtensionTestUtils.loadExtension(extensionData);
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yield extension.startup();
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yield extension.awaitFinish("background-canvas");
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yield extension.unload();
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});
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</script>
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</body>
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</html>
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