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test-clipboard.js
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test-clipboard.js
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { Cc, Ci } = require("chrome");
const imageTools = Cc["@mozilla.org/image/tools;1"].
getService(Ci.imgITools);
const io = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
const base64png = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYA" +
"AABzenr0AAAASUlEQVRYhe3O0QkAIAwD0eyqe3Q993AQ3cBSUKpygfsNTy" +
"N5ugbQpK0BAADgP0BRDWXWlwEAAAAAgPsA3rzDaAAAAHgPcGrpgAnzQ2FG" +
"bWRR9AAAAABJRU5ErkJggg%3D%3D";
const base64jpeg = "data:image/jpeg;base64,%2F9j%2F4AAQSkZJRgABAQAAAQABAAD%2F" +
"2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCg" +
"sOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD%2F2wBDAQMDAwQDBAgEBAgQCw" +
"kLEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQ" +
"EBAQEBAQEBD%2FwAARCAAgACADAREAAhEBAxEB%2F8QAHwAAAQUBAQEBAQ" +
"EAAAAAAAAAAAECAwQFBgcICQoL%2F8QAtRAAAgEDAwIEAwUFBAQAAAF9AQ" +
"IDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRol" +
"JicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eX" +
"qDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJ" +
"ytLT1NXW19jZ2uHi4%2BTl5ufo6erx8vP09fb3%2BPn6%2F8QAHwEAAwEB" +
"AQEBAQEBAQAAAAAAAAECAwQFBgcICQoL%2F8QAtREAAgECBAQDBAcFBAQA" +
"AQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNO" +
"El8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0" +
"dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6ws" +
"PExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3%2BPn6%2F9oADAMB" +
"AAIRAxEAPwD5Kr8kP9CwoA5f4m%2F8iRqX%2FbH%2FANHJXr5F%2FwAjCn" +
"8%2F%2FSWfnnir%2FwAkji%2F%2B4f8A6dgeD1%2BiH8bn1BX5If6FmFqW" +
"pXtveyQwzbUXGBtB7D2r9l4U4UyjMsoo4rFUeacua75pLaUktFJLZH5NxN" +
"xNmmX5pVw2Gq8sI8tlyxe8U3q03uzD8S3dxqOi3NneSeZDJs3LgDOHBHI5" +
"6gV%2BkcG%2BH%2FDmJzuhSq4e8XzfbqfyS%2FvH5rx1xTm2MyDEUa1W8X" +
"yXXLFbTi%2BkThv7B0r%2FAJ9f%2FH2%2Fxr90%2FwCIVcI%2F9An%2FAJ" +
"Uq%2FwDyZ%2FO%2F16v%2FADfgv8j0r%2FhZvgj%2FAKDf%2FktN%2FwDE" +
"V%2Fnr%2FYWYf8%2B%2Fxj%2Fmf3R%2FxFXhH%2FoL%2FwDKdX%2F5Azrv" +
"xLouo3D3lne%2BZDJja3luM4GDwRnqDX9LeH%2FBud4nhzD1aVC8Xz%2Fa" +
"h%2Fz8l%2FePx%2FinjrIMZm1WtRxF4vls%2BSa2jFdYlDUdRsp7OSKKbc" +
"7YwNpHce1fqfCvCub5bm9HFYqjywjzXfNF7xklopN7s%2BC4l4lyvMMrq4" +
"fD1bzfLZcsltJPqktkYlfsZ%2BUnBV%2FnufVnXaD%2FAMgqD%2FgX%2Fo" +
"Rr%2BxvCr%2FkkcJ%2F3E%2F8ATsz5%2FHfx5fL8kX6%2FQjkCgD%2F%2F" +
"2Q%3D%3D";
const canvasHTML = "data:text/html," + encodeURIComponent(
"<html>\
<body>\
<canvas width='32' height='32'></canvas>\
</body>\
</html>"
);
function comparePixelImages(imageA, imageB, callback) {
let tabs = require("sdk/tabs");
tabs.open({
url: canvasHTML,
onReady: function onReady(tab) {
let worker = tab.attach({
contentScript: "new " + function() {
let canvas = document.querySelector("canvas");
let context = canvas.getContext("2d");
self.port.on("draw-image", function(imageURI) {
let img = new Image();
img.onload = function() {
context.drawImage(this, 0, 0);
let pixels = Array.join(context.getImageData(0, 0, 32, 32).data);
self.port.emit("image-pixels", pixels);
}
img.src = imageURI;
});
}
});
let compared = "";
worker.port.on("image-pixels", function (pixels) {
if (!compared) {
compared = pixels;
this.emit("draw-image", imageB);
} else {
callback(compared === pixels);
tab.close()
}
});
worker.port.emit("draw-image", imageA);
}
});
}
// Test the typical use case, setting & getting with no flavors specified
exports.testWithNoFlavor = function(test) {
var contents = "hello there";
var flavor = "text";
var fullFlavor = "text/unicode";
var clip = require("sdk/clipboard");
// Confirm we set the clipboard
test.assert(clip.set(contents));
// Confirm flavor is set
test.assertEqual(clip.currentFlavors[0], flavor);
// Confirm we set the clipboard
test.assertEqual(clip.get(), contents);
// Confirm we can get the clipboard using the flavor
test.assertEqual(clip.get(flavor), contents);
// Confirm we can still get the clipboard using the full flavor
test.assertEqual(clip.get(fullFlavor), contents);
};
// Test the slightly less common case where we specify the flavor
exports.testWithFlavor = function(test) {
var contents = "<b>hello there</b>";
var contentsText = "hello there";
var flavor = "html";
var fullFlavor = "text/html";
var unicodeFlavor = "text";
var unicodeFullFlavor = "text/unicode";
var clip = require("sdk/clipboard");
test.assert(clip.set(contents, flavor));
test.assertEqual(clip.currentFlavors[0], unicodeFlavor);
test.assertEqual(clip.currentFlavors[1], flavor);
test.assertEqual(clip.get(), contentsText);
test.assertEqual(clip.get(flavor), contents);
test.assertEqual(clip.get(fullFlavor), contents);
test.assertEqual(clip.get(unicodeFlavor), contentsText);
test.assertEqual(clip.get(unicodeFullFlavor), contentsText);
};
// Test that the typical case still works when we specify the flavor to set
exports.testWithRedundantFlavor = function(test) {
var contents = "<b>hello there</b>";
var flavor = "text";
var fullFlavor = "text/unicode";
var clip = require("sdk/clipboard");
test.assert(clip.set(contents, flavor));
test.assertEqual(clip.currentFlavors[0], flavor);
test.assertEqual(clip.get(), contents);
test.assertEqual(clip.get(flavor), contents);
test.assertEqual(clip.get(fullFlavor), contents);
};
exports.testNotInFlavor = function(test) {
var contents = "hello there";
var flavor = "html";
var clip = require("sdk/clipboard");
test.assert(clip.set(contents));
// If there's nothing on the clipboard with this flavor, should return null
test.assertEqual(clip.get(flavor), null);
};
exports.testSetImage = function(test) {
var clip = require("sdk/clipboard");
var flavor = "image";
var fullFlavor = "image/png";
test.assert(clip.set(base64png, flavor), "clipboard set");
test.assertEqual(clip.currentFlavors[0], flavor, "flavor is set");
};
exports.testGetImage = function(test) {
test.waitUntilDone();
var clip = require("sdk/clipboard");
clip.set(base64png, "image");
var contents = clip.get();
comparePixelImages(base64png, contents, function (areEquals) {
test.assert(areEquals,
"Image gets from clipboard equals to image sets to the clipboard");
test.done();
});
}
exports.testSetImageTypeNotSupported = function(test) {
var clip = require("sdk/clipboard");
var flavor = "image";
test.assertRaises(function () {
clip.set(base64jpeg, flavor);
}, "Invalid flavor for image/jpeg");
};
// Notice that `imageTools.decodeImageData`, used by `clipboard.set` method for
// images, write directly to the javascript console the error in case the image
// is corrupt, even if the error is catched.
//
// See: http://mxr.mozilla.org/mozilla-central/source/image/src/Decoder.cpp#136
exports.testSetImageTypeWrongData = function(test) {
var clip = require("sdk/clipboard");
var flavor = "image";
var wrongPNG = "data:image/png" + base64jpeg.substr(15);
test.assertRaises(function () {
clip.set(wrongPNG, flavor);
}, "Unable to decode data given in a valid image.");
};
// TODO: Test error cases.