diff options
Diffstat (limited to 'toolkit/components/extensions/test/mochitest/test_ext_background_canvas.html')
-rw-r--r-- | toolkit/components/extensions/test/mochitest/test_ext_background_canvas.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_background_canvas.html b/toolkit/components/extensions/test/mochitest/test_ext_background_canvas.html new file mode 100644 index 0000000000..e7745f08c5 --- /dev/null +++ b/toolkit/components/extensions/test/mochitest/test_ext_background_canvas.html @@ -0,0 +1,42 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test for background page canvas rendering</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script 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(async function test_background_canvas() { + function background() { + try { + let canvas = document.createElement("canvas"); + + let context = canvas.getContext("2d"); + + // This ensures that we have a working PresShell, and can successfully + // calculate font metrics. + context.font = "8pt fixed"; + + browser.test.notifyPass("background-canvas"); + } catch (e) { + browser.test.fail(`Error: ${e} :: ${e.stack}`); + browser.test.notifyFail("background-canvas"); + } + } + + let extension = ExtensionTestUtils.loadExtension({ background }); + + await extension.startup(); + await extension.awaitFinish("background-canvas"); + await extension.unload(); +}); +</script> + +</body> +</html> |