mirror of
https://github.com/classilla/tenfourfox.git
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68 lines
2.2 KiB
HTML
68 lines
2.2 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<!--
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Test decoding a simple message
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-->
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<head>
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<meta charset="utf-8">
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<title>Test decoding a simple message</title>
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
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<script type="application/javascript;version=1.8">
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window.onload = function() {
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const { utils: Cu } = Components;
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const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
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const { Task } = Cu.import("resource://gre/modules/Task.jsm", {});
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const promise = require("promise");
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const QR = require("devtools/shared/qrcode/index");
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SimpleTest.waitForExplicitFinish();
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const testImage =
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"data:image/gif;base64,R0lGODdhOgA6AIAAAAAAAP///ywAAAAAOgA6AAAC" +
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"/4yPqcvtD6OctNqLs968+w+G4gKU5nkaKKquLuW+QVy2tAkDTj3rfQts8CRDko" +
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"+HPPoYRUgy9YsyldDm44mLWhHYZM6W7WaDqyCRGkZDySxpRGw2sqvLt1q5w/fo" +
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"XyE6vnUQOJUHBlinMGh046V1F5PDqNcoqcgBOWKBKbK2N+aY+Ih49VkmqMcl2l" +
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"dkhZUK1umE6jZXJ2ZJaujZaRqH4bpb2uZrJxvIt4Ebe9qoYYrJOsw8apz2bCut" +
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"m9kqDcw52uuImyr5Oh1KXH1jrn2anuunywtODU/o2c6teceW39ZcLFg/fNMo1b" +
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"t3jVw2dwTPwJq1KYG3gAklCgu37yGxeScYKyiCc+7DR34hPVQiuQ7UhJMagyEb" +
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"lymmzJk0a9q8iTOnzp0NCgAAOw==";
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Task.spawn(function() {
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let result = yield QR.decodeFromURI(testImage);
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is(result, "HELLO", "Decoded data URI result matches");
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let canvas = yield drawToCanvas(testImage);
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result = QR.decodeFromCanvas(canvas);
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is(result, "HELLO", "Decoded canvas result matches");
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}).then(SimpleTest.finish, ok.bind(null, false));
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function drawToCanvas(src) {
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let deferred = promise.defer();
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let canvas = document.createElement("canvas");
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let context = canvas.getContext("2d");
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let image = new Image();
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image.onload = () => {
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canvas.width = image.width;
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canvas.height = image.height;
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context.drawImage(image, 0, 0);
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deferred.resolve(canvas);
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};
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image.src = src;
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return deferred.promise;
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}
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};
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</script>
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</head>
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<body>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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</body>
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</html>
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