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diff --git a/devtools/server/tests/mochitest/test_inspector_getImageData.html b/devtools/server/tests/mochitest/test_inspector_getImageData.html new file mode 100644 index 000000000..be3c24194 --- /dev/null +++ b/devtools/server/tests/mochitest/test_inspector_getImageData.html @@ -0,0 +1,166 @@ +<!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> |