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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /image/test/mochitest/test_bug496292.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'image/test/mochitest/test_bug496292.html')
| -rw-r--r-- | image/test/mochitest/test_bug496292.html | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/image/test/mochitest/test_bug496292.html b/image/test/mochitest/test_bug496292.html new file mode 100644 index 0000000000..7f91539bf3 --- /dev/null +++ b/image/test/mochitest/test_bug496292.html @@ -0,0 +1,130 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=496292 +--> +<head> + <title>Test for Bug 496292</title> + <script type="application/javascript" src="/MochiKit/MochiKit.js"></script> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=496292">Mozilla Bug 496292</a> +<p id="display"></p> +<div id="content" style="display: none"> +<canvas id="canvas" width="100" height="100"> </canvas> +</div> +<pre id="test"> +<script type="application/javascript"> + +SimpleTest.waitForExplicitFinish(); + +var canvas = document.getElementById('canvas'); +var first, second, third, ref; + +var RemoteCanvas = function(url) { + this.url = url; +}; + +RemoteCanvas.CANVAS_WIDTH = 100; +RemoteCanvas.CANVAS_HEIGHT = 100; + +RemoteCanvas.prototype.load = function(cb) { + this.cb = cb; + + var windowWidth = window.innerWidth - 25; + var iframe; + iframe = document.createElement("iframe"); + iframe.id = "test-iframe-" + this.url; + iframe.height = "10px"; + iframe.width = windowWidth + "px"; + iframe.style.visibility = "hidden"; + iframe.src = this.url; + // Here is where the magic happens... add a listener to the + // frame's onload event - it will call handleEvent + iframe.addEventListener("load", this, true); + // append to the end of the page + window.document.body.appendChild(iframe); +}; + +RemoteCanvas.prototype.reload = function(cb, force) { + this.cb = cb; + window.frames[0].location.reload(force); +} + +RemoteCanvas.prototype.handleEvent = function() { + // Look back up the iframe by id + var ldrFrame = document.getElementById("test-iframe-" + this.url); + // Get a reference to the window object you need for the canvas + // SpecialPowers.snapshotRect method + var remoteWindow = ldrFrame.contentWindow; + + // Draw canvas + canvas.style.width = RemoteCanvas.CANVAS_WIDTH + "px"; + canvas.style.height = RemoteCanvas.CANVAS_HEIGHT + "px"; + canvas.width = RemoteCanvas.CANVAS_WIDTH; + canvas.height = RemoteCanvas.CANVAS_HEIGHT; + var windowWidth = window.innerWidth - 25; + var windowHeight = window.innerHeight; + + var rect = { left: 0, top: 0, width: windowWidth, height: windowHeight }; + var snapshot = SpecialPowers.snapshotRect(remoteWindow, rect, "rgb(0,0,0)"); + + var ctx = canvas.getContext("2d"); + ctx.clearRect(0, 0, + RemoteCanvas.CANVAS_WIDTH, + RemoteCanvas.CANVAS_HEIGHT); + ctx.save(); + ctx.scale(RemoteCanvas.CANVAS_WIDTH / windowWidth, + RemoteCanvas.CANVAS_HEIGHT / windowHeight); + ctx.drawImage(snapshot, 0, 0); + ctx.restore(); + this.cb(); +}; + +function loadFirst() +{ + ref = canvas.toDataURL(); + + var remoteCanvas = new RemoteCanvas("bug496292-iframe-1.html"); + remoteCanvas.load(checkFirst); +} + +function checkFirst() +{ + first = canvas.toDataURL(); + is(first, ref, "The default Accept header used by image loader is correct"); + + SpecialPowers.setCharPref("image.http.accept", "image/png"); + SpecialPowers.pushPrefEnv({"set": [["image.http.accept", "image/png"]]}, function() { + var remoteCanvas = new RemoteCanvas("bug496292-iframe-2.html"); + remoteCanvas.load(checkSecond); + }); +} + +function checkSecond() +{ + second = canvas.toDataURL(); + is(second, ref, "The modified Accept header used by image loader is correct"); + + SpecialPowers.pushPrefEnv({"clear": [["image.http.accept"]]}, function() { + var remoteCanvas = new RemoteCanvas("bug496292-iframe-1.html"); + remoteCanvas.load(checkThird); + }); +} + +function checkThird() { + third = canvas.toDataURL(); + is(third, ref, "The Accept header used by image loader should be correctly reset"); + + SimpleTest.finish(); +} + +var refCanvas = new RemoteCanvas("bug496292-iframe-ref.html"); +refCanvas.load(loadFirst); + +</script> +</pre> +</body> +</html> |