зеркало из https://github.com/mozilla/gecko-dev.git
167 строки
5.6 KiB
HTML
167 строки
5.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=932937
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 932937</title>
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<script 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" src="inspector-helpers.js"></script>
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<script type="application/javascript">
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"use strict";
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window.onload = function() {
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SimpleTest.waitForExplicitFinish();
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runNextTest();
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};
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let gWalker = null;
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addTest(async function setup() {
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const url = document.getElementById("inspectorContent").href;
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const { target } = await attachURL(url);
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const inspector = await target.getFront("inspector");
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gWalker = inspector.walker;
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runNextTest();
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});
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addTest(function testLargeImage() {
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// Select the image node from the test page
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gWalker.querySelector(gWalker.rootNode, ".big-horizontal").then(img => {
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ok(img, "Image node found in the test page");
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ok(img.getImageData, "Image node has the getImageData function");
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img.getImageData(100).then(imageData => {
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ok(imageData.data, "Image data actor was sent back");
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ok(imageData.size, "Image size info was sent back too");
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is(imageData.size.naturalWidth, 5333, "Natural width of the image correct");
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is(imageData.size.naturalHeight, 3000, "Natural width of the image correct");
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ok(imageData.size.resized, "Image was resized");
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// eslint-disable-next-line max-nested-callbacks
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imageData.data.string().then(str => {
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ok(str, "We have an image data string!");
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testResizing(imageData, str);
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});
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});
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});
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});
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addTest(function testLargeCanvas() {
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// Select the canvas node from the test page
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gWalker.querySelector(gWalker.rootNode, ".big-vertical").then(canvas => {
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ok(canvas, "Image node found in the test page");
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ok(canvas.getImageData, "Image node has the getImageData function");
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canvas.getImageData(350).then(imageData => {
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ok(imageData.data, "Image data actor was sent back");
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ok(imageData.size, "Image size info was sent back too");
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is(imageData.size.naturalWidth, 1000, "Natural width of the image correct");
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is(imageData.size.naturalHeight, 2000, "Natural width of the image correct");
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ok(imageData.size.resized, "Image was resized");
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// eslint-disable-next-line max-nested-callbacks
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imageData.data.string().then(str => {
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ok(str, "We have an image data string!");
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testResizing(imageData, str);
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});
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});
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});
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});
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addTest(function testSmallImage() {
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// Select the small image node from the test page
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gWalker.querySelector(gWalker.rootNode, ".small").then(img => {
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ok(img, "Image node found in the test page");
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ok(img.getImageData, "Image node has the getImageData function");
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img.getImageData().then(imageData => {
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ok(imageData.data, "Image data actor was sent back");
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ok(imageData.size, "Image size info was sent back too");
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is(imageData.size.naturalWidth, 245, "Natural width of the image correct");
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is(imageData.size.naturalHeight, 240, "Natural width of the image correct");
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ok(!imageData.size.resized, "Image was NOT resized");
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// eslint-disable-next-line max-nested-callbacks
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imageData.data.string().then(str => {
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ok(str, "We have an image data string!");
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testResizing(imageData, str);
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});
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});
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});
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});
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addTest(function testDataImage() {
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// Select the data image node from the test page
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gWalker.querySelector(gWalker.rootNode, ".data").then(img => {
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ok(img, "Image node found in the test page");
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ok(img.getImageData, "Image node has the getImageData function");
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img.getImageData(14).then(imageData => {
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ok(imageData.data, "Image data actor was sent back");
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ok(imageData.size, "Image size info was sent back too");
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is(imageData.size.naturalWidth, 28, "Natural width of the image correct");
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is(imageData.size.naturalHeight, 28, "Natural width of the image correct");
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ok(imageData.size.resized, "Image was resized");
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// eslint-disable-next-line max-nested-callbacks
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imageData.data.string().then(str => {
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ok(str, "We have an image data string!");
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testResizing(imageData, str);
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});
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});
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});
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});
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addTest(function testNonImgOrCanvasElements() {
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gWalker.querySelector(gWalker.rootNode, "body").then(body => {
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ensureRejects(body.getImageData(), "Invalid element").then(runNextTest);
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});
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});
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addTest(function cleanup() {
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gWalker = null;
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runNextTest();
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});
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/**
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* Checks if the server told the truth about resizing the image
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*/
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function testResizing(imageData, str) {
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const img = document.createElement("img");
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img.addEventListener("load", () => {
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const resized = !(img.naturalWidth == imageData.size.naturalWidth &&
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img.naturalHeight == imageData.size.naturalHeight);
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is(imageData.size.resized, resized, "Server told the truth about resizing");
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runNextTest();
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});
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img.src = str;
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}
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/**
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* Asserts that the given promise rejects.
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*/
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function ensureRejects(promise, desc) {
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return promise.then(() => {
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ok(false, desc + ": promise resolved unexpectedly.");
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}, () => {
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ok(true, desc + ": promise rejected as expected.");
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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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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=932937">Mozilla Bug 932937</a>
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<a id="inspectorContent" target="_blank" href="inspector_getImageData.html">Test Document</a>
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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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