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Bug 1171614 - Add a test for data-URI images to test_inspector_getImageData.html, and check that the server is being truthful about resizing. r=jdescottes

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Also tidy up the HTML a bit by removing errant <img> close tags

MozReview-Commit-ID: 4cmtW1S2BI8

--HG--
extra : transplant_source : %26%E6%FE%BB%FE%2A%CCG%E0%27%3B%3DYK%2BP%E7%9D%C7%C9
This commit is contained in:
Ian Moody 2016-07-01 18:31:22 +01:00
parent 93ef07dcad
commit 86d55a0b62
2 changed files with 41 additions and 5 deletions
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5
devtools/server/tests/mochitest/inspector_getImageData.html
View File

@ -2,9 +2,10 @@
<head>
<body>
<img class="custom">
<img class="big-horizontal" src="large-image.jpg" style="width:500px;" />
<img class="big-horizontal" src="large-image.jpg" style="width:500px;">
<canvas class="big-vertical" style="width:500px;"></canvas>
<img class="small" src="small-image.gif"></img>
<img class="small" src="small-image.gif">
<img class="data" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAcCAYAAAByDd+UAAAAJklEQVRIie3NMREAAAgAoe9fWls4eAzMVM0xoVAoFAqFQqFQ+C9chp4NHvu+4Q4AAAAASUVORK5CYII=">
<script>
window.onload = () => {
var canvas = document.querySelector("canvas"), ctx = canvas.getContext("2d");

41
devtools/server/tests/mochitest/test_inspector_getImageData.html
View File

@ -47,7 +47,7 @@ addTest(function testLargeImage() {
imageData.data.string().then(str => {
ok(str, "We have an image data string!");
runNextTest();
testResizing(imageData, str);
});
});
});
@ -68,7 +68,7 @@ addTest(function testLargeCanvas() {
imageData.data.string().then(str => {
ok(str, "We have an image data string!");
runNextTest();
testResizing(imageData, str);
});
});
});
@ -89,7 +89,28 @@ addTest(function testSmallImage() {
imageData.data.string().then(str => {
ok(str, "We have an image data string!");
runNextTest();
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);
});
});
});
@ -106,6 +127,20 @@ addTest(function cleanup() {
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.
*/