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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /devtools/server/tests/mochitest/test_inspector_getImageData.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=932937
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 932937</title>
+
+ <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+ <script type="application/javascript;version=1.8" src="inspector-helpers.js"></script>
+ <script type="application/javascript;version=1.8">
+const inspector = require("devtools/shared/fronts/inspector");
+
+window.onload = function() {
+ SimpleTest.waitForExplicitFinish();
+ runNextTest();
+}
+
+var gWalker = null;
+
+addTest(function setup() {
+ let url = document.getElementById("inspectorContent").href;
+ attachURL(url, function(err, client, tab, doc) {
+ let {InspectorFront} = require("devtools/shared/fronts/inspector");
+ let inspector = InspectorFront(client, tab);
+
+ promiseDone(inspector.getWalker().then(walker => {
+ gWalker = walker;
+ }).then(runNextTest));
+ });
+});
+
+addTest(function testLargeImage() {
+ // Select the image node from the test page
+ gWalker.querySelector(gWalker.rootNode, ".big-horizontal").then(img => {
+ ok(img, "Image node found in the test page");
+ ok(img.getImageData, "Image node has the getImageData function");
+
+ img.getImageData(100).then(imageData => {
+ ok(imageData.data, "Image data actor was sent back");
+ ok(imageData.size, "Image size info was sent back too");
+ is(imageData.size.naturalWidth, 5333, "Natural width of the image correct");
+ is(imageData.size.naturalHeight, 3000, "Natural width of the image correct");
+ ok(imageData.size.resized, "Image was resized");
+
+ imageData.data.string().then(str => {
+ ok(str, "We have an image data string!");
+ testResizing(imageData, str);
+ });
+ });
+ });
+});
+
+addTest(function testLargeCanvas() {
+ // Select the canvas node from the test page
+ gWalker.querySelector(gWalker.rootNode, ".big-vertical").then(canvas => {
+ ok(canvas, "Image node found in the test page");
+ ok(canvas.getImageData, "Image node has the getImageData function");
+
+ canvas.getImageData(350).then(imageData => {
+ ok(imageData.data, "Image data actor was sent back");
+ ok(imageData.size, "Image size info was sent back too");
+ is(imageData.size.naturalWidth, 1000, "Natural width of the image correct");
+ is(imageData.size.naturalHeight, 2000, "Natural width of the image correct");
+ ok(imageData.size.resized, "Image was resized");
+
+ imageData.data.string().then(str => {
+ ok(str, "We have an image data string!");
+ testResizing(imageData, str);
+ });
+ });
+ });
+});
+
+addTest(function testSmallImage() {
+ // Select the small image node from the test page
+ gWalker.querySelector(gWalker.rootNode, ".small").then(img => {
+ ok(img, "Image node found in the test page");
+ ok(img.getImageData, "Image node has the getImageData function");
+
+ img.getImageData().then(imageData => {
+ ok(imageData.data, "Image data actor was sent back");
+ ok(imageData.size, "Image size info was sent back too");
+ is(imageData.size.naturalWidth, 245, "Natural width of the image correct");
+ is(imageData.size.naturalHeight, 240, "Natural width of the image correct");
+ ok(!imageData.size.resized, "Image was NOT resized");
+
+ imageData.data.string().then(str => {
+ ok(str, "We have an image data string!");
+ testResizing(imageData, str);
+ });
+ });
+ });
+});
+
+addTest(function testDataImage() {
+ // Select the data image node from the test page
+ gWalker.querySelector(gWalker.rootNode, ".data").then(img => {
+ ok(img, "Image node found in the test page");
+ ok(img.getImageData, "Image node has the getImageData function");
+
+ img.getImageData(14).then(imageData => {
+ ok(imageData.data, "Image data actor was sent back");
+ ok(imageData.size, "Image size info was sent back too");
+ is(imageData.size.naturalWidth, 28, "Natural width of the image correct");
+ is(imageData.size.naturalHeight, 28, "Natural width of the image correct");
+ ok(imageData.size.resized, "Image was resized");
+
+ imageData.data.string().then(str => {
+ ok(str, "We have an image data string!");
+ testResizing(imageData, str);
+ });
+ });
+ });
+});
+
+addTest(function testNonImgOrCanvasElements() {
+ gWalker.querySelector(gWalker.rootNode, "body").then(body => {
+ ensureRejects(body.getImageData(), "Invalid element").then(runNextTest);
+ });
+});
+
+addTest(function cleanup() {
+ delete gWalker;
+ runNextTest();
+});
+
+/**
+ * Checks if the server told the truth about resizing the image
+ */
+function testResizing(imageData, str) {
+ let img = document.createElement("img");
+ img.addEventListener("load", () => {
+ let resized = !(img.naturalWidth == imageData.size.naturalWidth &&
+ img.naturalHeight == imageData.size.naturalHeight);
+ is(imageData.size.resized, resized, "Server told the truth about resizing");
+ runNextTest();
+ }, false);
+ img.src = str;
+}
+
+/**
+ * Asserts that the given promise rejects.
+ */
+function ensureRejects(promise, desc) {
+ return promise.then(() => {
+ ok(false, desc + ": promise resolved unexpectedly.");
+ }, () => {
+ ok(true, desc + ": promise rejected as expected.");
+ });
+}
+ </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=932937">Mozilla Bug 932937</a>
+<a id="inspectorContent" target="_blank" href="inspector_getImageData.html">Test Document</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>
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