import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

image/test/unit/async_load_tests.js

@@ -0,0 +1,214 @@
+/*
+ * Test to ensure that image loading/decoding notifications are always
+ * delivered async, and in the order we expect.
+ *
+ * Must be included from a file that has a uri of the image to test defined in
+ * var uri.
+ */
+
+var Cc = Components.classes;
+var Ci = Components.interfaces;
+var Cu = Components.utils;
+var Cr = Components.results;
+
+Cu.import("resource://testing-common/httpd.js");
+Cu.import("resource://gre/modules/NetUtil.jsm");
+
+var server = new HttpServer();
+server.registerDirectory("/", do_get_file(''));
+server.registerContentType("sjs", "sjs");
+server.start(-1);
+
+
+load('image_load_helpers.js');
+
+var requests = [];
+
+// Return a closure that holds on to the listener from the original
+// imgIRequest, and compares its results to the cloned one.
+function getCloneStopCallback(original_listener)
+{
+  return function cloneStop(listener) {
+    do_check_eq(original_listener.state, listener.state);
+
+    // Sanity check to make sure we didn't accidentally use the same listener
+    // twice.
+    do_check_neq(original_listener, listener);
+    do_test_finished();
+  }
+}
+
+// Make sure that cloned requests get all the same callbacks as the original,
+// but they aren't synchronous right now.
+function checkClone(other_listener, aRequest)
+{
+  do_test_pending();
+
+  // For as long as clone notification is synchronous, we can't test the clone state reliably.
+  var listener = new ImageListener(null, function(foo, bar) { do_test_finished(); } /*getCloneStopCallback(other_listener)*/);
+  listener.synchronous = false;
+  var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                .createScriptedObserver(listener);
+  var clone = aRequest.clone(outer);
+  requests.push(clone);
+}
+
+// Ensure that all the callbacks were called on aRequest.
+function checkSizeAndLoad(listener, aRequest)
+{
+  do_check_neq(listener.state & SIZE_AVAILABLE, 0);
+  do_check_neq(listener.state & LOAD_COMPLETE, 0);
+
+  do_test_finished();
+}
+
+function secondLoadDone(oldlistener, aRequest)
+{
+  do_test_pending();
+
+  try {
+    var staticrequest = aRequest.getStaticRequest();
+
+    // For as long as clone notification is synchronous, we can't test the
+    // clone state reliably.
+    var listener = new ImageListener(null, checkSizeAndLoad);
+    listener.synchronous = false;
+    var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                  .createScriptedObserver(listener);
+    var staticrequestclone = staticrequest.clone(outer);
+    requests.push(staticrequestclone);
+  } catch(e) {
+    // We can't create a static request. Most likely the request we started
+    // with didn't load successfully.
+    do_test_finished();
+  }
+
+  run_loadImageWithChannel_tests();
+
+  do_test_finished();
+}
+
+// Load the request a second time. This should come from the image cache, and
+// therefore would be at most risk of being served synchronously.
+function checkSecondLoad()
+{
+  do_test_pending();
+
+  var listener = new ImageListener(checkClone, secondLoadDone);
+  var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                .createScriptedObserver(listener);
+  requests.push(gCurrentLoader.loadImageXPCOM(uri, null, null, "default", null, null, outer, null, 0, null));
+  listener.synchronous = false;
+}
+
+function firstLoadDone(oldlistener, aRequest)
+{
+  checkSecondLoad(uri);
+
+  do_test_finished();
+}
+
+// Return a closure that allows us to check the stream listener's status when the
+// image finishes loading.
+function getChannelLoadImageStopCallback(streamlistener, next)
+{
+  return function channelLoadStop(imglistener, aRequest) {
+
+    next();
+
+    do_test_finished();
+  }
+}
+
+// Load the request a second time. This should come from the image cache, and
+// therefore would be at most risk of being served synchronously.
+function checkSecondChannelLoad()
+{
+  do_test_pending();
+  var channel = NetUtil.newChannel({uri: uri, loadUsingSystemPrincipal: true});
+  var channellistener = new ChannelListener();
+  channel.asyncOpen2(channellistener);
+
+  var listener = new ImageListener(null,
+                                   getChannelLoadImageStopCallback(channellistener,
+                                                                   all_done_callback));
+  var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                .createScriptedObserver(listener);
+  var outlistener = {};
+  requests.push(gCurrentLoader.loadImageWithChannelXPCOM(channel, outer, null, outlistener));
+  channellistener.outputListener = outlistener.value;
+
+  listener.synchronous = false;
+}
+
+function run_loadImageWithChannel_tests()
+{
+  // To ensure we're testing what we expect to, create a new loader and cache.
+  gCurrentLoader = Cc["@mozilla.org/image/loader;1"].createInstance(Ci.imgILoader);
+
+  do_test_pending();
+  var channel =  NetUtil.newChannel({uri: uri, loadUsingSystemPrincipal: true});
+  var channellistener = new ChannelListener();
+  channel.asyncOpen2(channellistener);
+
+  var listener = new ImageListener(null,
+                                   getChannelLoadImageStopCallback(channellistener,
+                                                                   checkSecondChannelLoad));
+  var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                .createScriptedObserver(listener);
+  var outlistener = {};
+  requests.push(gCurrentLoader.loadImageWithChannelXPCOM(channel, outer, null, outlistener));
+  channellistener.outputListener = outlistener.value;
+
+  listener.synchronous = false;
+}
+
+function all_done_callback()
+{
+  server.stop(function() { do_test_finished(); });
+}
+
+function startImageCallback(otherCb)
+{
+  return function(listener, request)
+  {
+    // Make sure we can load the same image immediately out of the cache.
+    do_test_pending();
+    var listener2 = new ImageListener(null, function(foo, bar) { do_test_finished(); });
+    var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                  .createScriptedObserver(listener2);
+    requests.push(gCurrentLoader.loadImageXPCOM(uri, null, null, "default", null, null, outer, null, 0, null));
+    listener2.synchronous = false;
+
+    // Now that we've started another load, chain to the callback.
+    otherCb(listener, request);
+  }
+}
+
+var gCurrentLoader;
+
+function cleanup()
+{
+  for (var i = 0; i < requests.length; ++i) {
+    requests[i].cancelAndForgetObserver(0);
+  }
+}
+
+function run_test()
+{
+  do_register_cleanup(cleanup);
+
+  gCurrentLoader = Cc["@mozilla.org/image/loader;1"].createInstance(Ci.imgILoader);
+
+  do_test_pending();
+  var listener = new ImageListener(startImageCallback(checkClone), firstLoadDone);
+  var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                .createScriptedObserver(listener);
+  var req = gCurrentLoader.loadImageXPCOM(uri, null, null, "default", null, null, outer, null, 0, null);
+  requests.push(req);
+
+  // Ensure that we don't cause any mayhem when we lock an image.
+  req.lockImage();
+
+  listener.synchronous = false;
+}

image/test/unit/image_load_helpers.js

@@ -0,0 +1,122 @@
+/*
+ * Helper structures to track callbacks from image and channel loads.
+ */
+
+// START_REQUEST and STOP_REQUEST are used by ChannelListener, and
+// stored in ChannelListener.requestStatus.
+const START_REQUEST = 0x01;
+const STOP_REQUEST = 0x02;
+const DATA_AVAILABLE = 0x04;
+
+// One bit per callback that imageListener below implements. Stored in
+// ImageListener.state.
+const SIZE_AVAILABLE = 0x01;
+const FRAME_UPDATE = 0x02;
+const FRAME_COMPLETE = 0x04;
+const LOAD_COMPLETE = 0x08;
+const DECODE_COMPLETE = 0x10;
+
+// Safebrowsing requires that the profile dir is set.
+do_get_profile();
+
+// An implementation of imgIScriptedNotificationObserver with the ability to
+// call specified functions on onStartRequest and onStopRequest.
+function ImageListener(start_callback, stop_callback)
+{
+  this.sizeAvailable = function onSizeAvailable(aRequest)
+  {
+    do_check_false(this.synchronous);
+
+    this.state |= SIZE_AVAILABLE;
+
+    if (this.start_callback)
+      this.start_callback(this, aRequest);
+  }
+  this.frameComplete = function onFrameComplete(aRequest)
+  {
+    do_check_false(this.synchronous);
+
+    this.state |= FRAME_COMPLETE;
+  }
+  this.decodeComplete = function onDecodeComplete(aRequest)
+  {
+    do_check_false(this.synchronous);
+
+    this.state |= DECODE_COMPLETE;
+  }
+  this.loadComplete = function onLoadcomplete(aRequest)
+  {
+    do_check_false(this.synchronous);
+
+    this.state |= LOAD_COMPLETE;
+
+    if (this.stop_callback)
+      this.stop_callback(this, aRequest);
+  }
+  this.frameUpdate = function onFrameUpdate(aRequest)
+  {
+  }
+  this.isAnimated = function onIsAnimated()
+  {
+  }
+
+  // Initialize the synchronous flag to true to start. This must be set to
+  // false before exiting to the event loop!
+  this.synchronous = true;
+
+  // A function to call when onStartRequest is called.
+  this.start_callback = start_callback;
+
+  // A function to call when onStopRequest is called.
+  this.stop_callback = stop_callback;
+
+  // The image load/decode state.
+  // A bitfield that tracks which callbacks have been called. Takes the bits
+  // defined above.
+  this.state = 0;
+}
+
+function NS_FAILED(val)
+{
+  return !!(val & 0x80000000);
+}
+
+function ChannelListener()
+{
+  this.onStartRequest = function onStartRequest(aRequest, aContext)
+  {
+    if (this.outputListener)
+      this.outputListener.onStartRequest(aRequest, aContext);
+
+    this.requestStatus |= START_REQUEST;
+  }
+
+  this.onDataAvailable = function onDataAvailable(aRequest, aContext, aInputStream, aOffset, aCount)
+  {
+    if (this.outputListener)
+      this.outputListener.onDataAvailable(aRequest, aContext, aInputStream, aOffset, aCount);
+
+    this.requestStatus |= DATA_AVAILABLE;
+  }
+
+  this.onStopRequest = function onStopRequest(aRequest, aContext, aStatusCode)
+  {
+    if (this.outputListener)
+      this.outputListener.onStopRequest(aRequest, aContext, aStatusCode);
+
+    // If we failed (or were canceled - failure is implied if canceled),
+    // there's no use tracking our state, since it's meaningless.
+    if (NS_FAILED(aStatusCode))
+      this.requestStatus = 0;
+    else
+      this.requestStatus |= STOP_REQUEST;
+  }
+
+  // A listener to pass the notifications we get to.
+  this.outputListener = null;
+
+  // The request's status. A bitfield that holds one or both of START_REQUEST
+  // and STOP_REQUEST, according to which callbacks have been called on the
+  // associated request.
+  this.requestStatus = 0;
+}

image/test/unit/test_async_notification.js

@@ -0,0 +1,10 @@
+/*
+ * Test for asynchronous image load/decode notifications in the case that the image load works.
+ */
+
+// A simple 3x3 png; rows go red, green, blue. Stolen from the PNG encoder test.
+var pngspec = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAAEUlEQVQImWP4z8AAQTAamQkAhpcI+DeMzFcAAAAASUVORK5CYII=";
+var ioService = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
+var uri = ioService.newURI(pngspec, null, null);
+
+load('async_load_tests.js');

image/test/unit/test_async_notification_404.js

@@ -0,0 +1,16 @@
+/*
+ * Test to ensure that load/decode notifications are delivered completely and
+ * asynchronously when dealing with a file that's a 404.
+ */
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+var ioService = Components.classes["@mozilla.org/network/io-service;1"]
+                           .getService(Components.interfaces.nsIIOService);
+
+XPCOMUtils.defineLazyGetter(this, "uri", function() {
+    return ioService.newURI("http://localhost:" +
+                            server.identity.primaryPort +
+                            "/async-notification-never-here.jpg", null, null);
+});
+
+load('async_load_tests.js');

image/test/unit/test_async_notification_animated.js

@@ -0,0 +1,14 @@
+/*
+ * Test for asynchronous image load/decode notifications in the case that the
+ * image load works, but for an animated image.
+ *
+ * If this fails because a request wasn't cancelled, it's possible that
+ * imgContainer::ExtractFrame didn't set the new image's status correctly.
+ */
+
+// transparent-animation.gif from the gif reftests.
+var spec = "data:image/gif;base64,R0lGODlhZABkAIABAP8AAP///yH5BAkBAAEALAAAAABLAGQAAAK8jI+py+0Po5y02ouz3rz7D4biSJbmiabqyrbuC8fyTNf2jef6zvf+DwwKh8Si8YhMKpchgPMJjUqnVOipis1ir9qul+sNV8HistVkTj/JajG7/UXDy+95tm4fy/NdPF/q93dWIqgVWAhwWKgoyPjnyAeZJ2lHOWcJh9mmqcaZ5mkGSreHOCXqRloadRrGGkeoapoa6+TaN0tra4gbq3vHq+q7BVwqrMeEnKy8zNzs/AwdLT1NXW19jZ1tUgAAIfkECQEAAQAsAAAAADQAZAAAArCMj6nL7Q+jnLTai7PevPsPhuJIluaJpurKtu4Lx/JM1/aN5/rO9/7vAAiHxKLxiCRCkswmc+mMSqHSapJqzSof2u4Q67WCw1MuOTs+N9Pqq7kdZcON8vk2aF+/88g6358HaCc4Rwhn2IaopnjGSOYYBukl2UWpZYm2x0enuXnX4NnXGQqAKTYaalqlWoZH+snwWsQah+pJ64Sr5ypbCvQLHCw8TFxsfIycrLzM3PxQAAAh+QQJAQABACwAAAAAGwBkAAACUIyPqcvtD6OctNqLs968+w+G4kiW5omm6sq27gTE8kzX9o3n+s73/g8MCofEovGITCqXzKbzCY1Kp9Sq9YrNarfcrvdrfYnH5LL5jE6r16sCADs=";
+var ioService = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
+var uri = ioService.newURI(spec, null, null);
+
+load('async_load_tests.js');

image/test/unit/test_encoder_apng.js

@@ -0,0 +1,470 @@
+/*
+ * Test for APNG encoding in ImageLib
+ *
+ */
+
+
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+  // dispose=[none|background|previous]
+  // blend=[source|over]
+
+var apng1A = {
+	// A 3x3 image with 3 frames, alternating red, green, blue. RGB format.
+	width  : 3, height : 3, skipFirstFrame : false,
+	format : Ci.imgIEncoder.INPUT_FORMAT_RGB,
+	transparency : null,
+	plays : 0,
+
+	frames  : [
+		{ // frame #1
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGB, stride : 9,
+			transparency : null,
+
+			pixels : [
+				255,0,0,  255,0,0,  255,0,0,
+				255,0,0,  255,0,0,  255,0,0,
+				255,0,0,  255,0,0,  255,0,0
+				]
+		},
+
+		{ // frame #2
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGB, stride : 9,
+			transparency : null,
+
+			pixels : [
+				0,255,0,  0,255,0,  0,255,0,
+				0,255,0,  0,255,0,  0,255,0,
+				0,255,0,  0,255,0,  0,255,0
+				]
+		},
+
+		{ // frame #3
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGB, stride : 9,
+			transparency : null,
+
+			pixels : [
+				0,0,255,  0,0,255,  0,0,255,
+				0,0,255,  0,0,255,  0,0,255,
+				0,0,255,  0,0,255,  0,0,255
+				]
+		}
+
+		],
+	expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAABBJREFUCJlj+M/AAEEMWFgAj44I+H2CySsAAAAaZmNUTAAAAAEAAAADAAAAAwAAAAAAAAAAAfQD6AAA7mXKzAAAABNmZEFUAAAAAgiZY2D4zwBFWFgAhpcI+I731VcAAAAaZmNUTAAAAAMAAAADAAAAAwAAAAAAAAAAAfQD6AAAA/MZJQAAABNmZEFUAAAABAiZY2Bg+A9DmCwAfaAI+AGmQVoAAAAASUVORK5CYII="
+};
+
+
+var apng1B = {
+	// A 3x3 image with 3 frames, alternating red, green, blue. RGBA format.
+	width  : 3, height : 3, skipFirstFrame : false,
+	format : Ci.imgIEncoder.INPUT_FORMAT_RGBA,
+	transparency : null,
+	plays : 0,
+
+	frames  : [
+		{ // frame #1
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255
+				]
+		},
+
+		{ // frame #2
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,255,0,255,  0,255,0,255,  0,255,0,255,
+				0,255,0,255,  0,255,0,255,  0,255,0,255,
+				0,255,0,255,  0,255,0,255,  0,255,0,255
+				]
+		},
+
+		{ // frame #3
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,0,255,255,  0,0,255,255,  0,0,255,255,
+				0,0,255,255,  0,0,255,255,  0,0,255,255,
+				0,0,255,255,  0,0,255,255,  0,0,255,255
+				]
+		}
+
+		],
+	expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAABFJREFUCJlj+M/A8B+GGXByAF3XEe/CoiJ1AAAAGmZjVEwAAAABAAAAAwAAAAMAAAAAAAAAAAH0A+gAAO5lyswAAAASZmRBVAAAAAIImWNg+I8EcXIAVOAR77Vyl9QAAAAaZmNUTAAAAAMAAAADAAAAAwAAAAAAAAAAAfQD6AAAA/MZJQAAABRmZEFUAAAABAiZY2Bg+P8fgXFxAEvpEe8rClxSAAAAAElFTkSuQmCC"
+};
+
+
+var apng1C = {
+	// A 3x3 image with 3 frames, alternating red, green, blue. RGBA format.
+	// The first frame is skipped, so it will only flash green/blue (or static red in an APNG-unaware viewer)
+	width  : 3, height : 3, skipFirstFrame : true,
+	format : Ci.imgIEncoder.INPUT_FORMAT_RGBA,
+	transparency : null,
+	plays : 0,
+
+	frames  : [
+		{ // frame #1
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255
+				]
+		},
+
+		{ // frame #2
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,255,0,255,  0,255,0,255,  0,255,0,255,
+				0,255,0,255,  0,255,0,255,  0,255,0,255,
+				0,255,0,255,  0,255,0,255,  0,255,0,255
+				]
+		},
+
+		{ // frame #3
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,0,255,255,  0,0,255,255,  0,0,255,255,
+				0,0,255,255,  0,0,255,255,  0,0,255,255,
+				0,0,255,255,  0,0,255,255,  0,0,255,255
+				]
+		}
+
+		],
+	expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAACAAAAAPONk3AAAAARSURBVAiZY/jPwPAfhhlwcgBd1xHvwqIidQAAABpmY1RMAAAAAAAAAAMAAAADAAAAAAAAAAAB9APoAAB1FiAYAAAAEmZkQVQAAAABCJljYPiPBHFyAFTgEe+kD/2tAAAAGmZjVEwAAAACAAAAAwAAAAMAAAAAAAAAAAH0A+gAAJiA8/EAAAAUZmRBVAAAAAMImWNgYPj/H4FxcQBL6RHvC5ggGQAAAABJRU5ErkJggg=="
+};
+
+
+var apng2A = {
+	// A 3x3 image with 3 frames, alternating red, green, blue. RGBA format.
+	// blend = over mode
+    // (The green frame is a horizontal gradient, and the blue frame is a
+    // vertical gradient. They stack as they animate.)
+	width  : 3, height : 3, skipFirstFrame : false,
+	format : Ci.imgIEncoder.INPUT_FORMAT_RGBA,
+	transparency : null,
+	plays : 0,
+
+	frames  : [
+		{ // frame #1
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255
+				]
+		},
+
+		{ // frame #2
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "over", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,255,0,255,  0,255,0,180,  0,255,0,75,
+				0,255,0,255,  0,255,0,180,  0,255,0,75,
+				0,255,0,255,  0,255,0,180,  0,255,0,75
+				]
+		},
+
+		{ // frame #3
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "over", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,0,255,75,   0,0,255,75,   0,0,255,75,
+				0,0,255,180,  0,0,255,180,  0,0,255,180,
+				0,0,255,255,  0,0,255,255,  0,0,255,255
+				]
+		}
+
+		],
+	expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAABFJREFUCJlj+M/A8B+GGXByAF3XEe/CoiJ1AAAAGmZjVEwAAAABAAAAAwAAAAMAAAAAAAAAAAH0A+gAAZli+loAAAAcZmRBVAAAAAIImWNg+M/wn+E/wxaG/wzeDDg5ACeGDvKVa3pyAAAAGmZjVEwAAAADAAAAAwAAAAMAAAAAAAAAAAH0A+gAAXT0KbMAAAAcZmRBVAAAAAQImWNgYPjvjcAM/7cgMMP//zAMAPqkDvLn1m3SAAAAAElFTkSuQmCC"
+};
+
+
+var apng2B = {
+	// A 3x3 image with 3 frames, alternating red, green, blue. RGBA format.
+	// blend = over, dispose = background
+    // (The green frame is a horizontal gradient, and the blue frame is a
+    // vertical gradient. Each frame is displayed individually, blended to
+    // whatever the background is.)
+	width  : 3, height : 3, skipFirstFrame : false,
+	format : Ci.imgIEncoder.INPUT_FORMAT_RGBA,
+	transparency : null,
+	plays : 0,
+
+	frames  : [
+		{ // frame #1
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "background",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255,
+				255,0,0,255,  255,0,0,255,  255,0,0,255
+				]
+		},
+
+		{ // frame #2
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "background",   blend : "over", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,255,0,255,  0,255,0,180,  0,255,0,75,
+				0,255,0,255,  0,255,0,180,  0,255,0,75,
+				0,255,0,255,  0,255,0,180,  0,255,0,75
+				]
+		},
+
+		{ // frame #3
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "background",   blend : "over", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,0,255,75,   0,0,255,75,   0,0,255,75,
+				0,0,255,180,  0,0,255,180,  0,0,255,180,
+				0,0,255,255,  0,0,255,255,  0,0,255,255
+				]
+		}
+
+		],
+	expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AEAbA0RWQAAABFJREFUCJlj+M/A8B+GGXByAF3XEe/CoiJ1AAAAGmZjVEwAAAABAAAAAwAAAAMAAAAAAAAAAAH0A+gBAYB5yxsAAAAcZmRBVAAAAAIImWNg+M/wn+E/wxaG/wzeDDg5ACeGDvKVa3pyAAAAGmZjVEwAAAADAAAAAwAAAAMAAAAAAAAAAAH0A+gBAW3vGPIAAAAcZmRBVAAAAAQImWNgYPjvjcAM/7cgMMP//zAMAPqkDvLn1m3SAAAAAElFTkSuQmCC"
+};
+
+
+var apng3 = {
+	// A 3x3 image with 4 frames. First frame is white, then 1x1 frames draw a diagonal line
+	width  : 3, height : 3, skipFirstFrame : false,
+	format : Ci.imgIEncoder.INPUT_FORMAT_RGBA,
+	transparency : null,
+	plays : 0,
+
+	frames  : [
+		{ // frame #1
+			width  : 3,    height : 3,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+
+				255,255,255,255,  255,255,255,255,  255,255,255,255,
+				255,255,255,255,  255,255,255,255,  255,255,255,255,
+				255,255,255,255,  255,255,255,255,  255,255,255,255
+				]
+		},
+
+		{ // frame #2
+			width  : 1,    height : 1,
+			x_offset : 0,  y_offset : 0,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,0,0,255
+				]
+		},
+
+		{ // frame #3
+			width  : 1,    height : 1,
+			x_offset : 1,  y_offset : 1,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,0,0,255
+				]
+		},
+
+		{ // frame #4
+			width  : 1,    height : 1,
+			x_offset : 2,  y_offset : 2,
+			dispose : "none",   blend : "source", delay : 500,
+
+			format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+			pixels : [
+				0,0,0,255
+				]
+		}
+		],
+
+	expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAAEAAAAAHzNZtAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAAA5JREFUCJlj+I8EGHByALuHI91kueRqAAAAGmZjVEwAAAABAAAAAQAAAAEAAAAAAAAAAAH0A+gAADJXfawAAAARZmRBVAAAAAIImWNgYGD4DwABBAEAbr5mpgAAABpmY1RMAAAAAwAAAAEAAAABAAAAAQAAAAEB9APoAAC4OHoxAAAAEWZkQVQAAAAECJljYGBg+A8AAQQBAJZ8LRAAAAAaZmNUTAAAAAUAAAABAAAAAQAAAAIAAAACAfQD6AAA/fh01wAAABFmZEFUAAAABgiZY2BgYPgPAAEEAQB3Eum9AAAAAElFTkSuQmCC"
+};
+
+// Main test entry point.
+function run_test() {
+	dump("Checking apng1A...\n");
+	run_test_for(apng1A);
+	dump("Checking apng1B...\n");
+	run_test_for(apng1B);
+	dump("Checking apng1C...\n");
+	run_test_for(apng1C);
+
+	dump("Checking apng2A...\n");
+	run_test_for(apng2A);
+	dump("Checking apng2B...\n");
+	run_test_for(apng2B);
+
+	dump("Checking apng3...\n");
+	run_test_for(apng3);
+}; 
+
+
+function run_test_for(input) {
+	var encoder, dataURL;
+
+	encoder = encodeImage(input);
+	dataURL = makeDataURL(encoder, "image/png");
+	do_check_eq(dataURL, input.expected);
+};
+
+
+function encodeImage(input) {
+	var encoder = Cc["@mozilla.org/image/encoder;2?type=image/png"].createInstance();
+	encoder.QueryInterface(Ci.imgIEncoder);
+
+	var options = "";
+	if (input.transparency) { options += "transparency=" + input.transparency; }
+	options += ";frames=" + input.frames.length;
+	options += ";skipfirstframe=" + (input.skipFirstFrame ? "yes" : "no");
+	options += ";plays=" + input.plays;
+	encoder.startImageEncode(input.width, input.height, input.format, options);
+
+	for (var i = 0; i < input.frames.length; i++) {
+		var frame = input.frames[i];
+
+		options = "";
+		if (frame.transparency) { options += "transparency=" + input.transparency; }
+		options += ";delay=" + frame.delay;
+		options += ";dispose=" + frame.dispose;
+		options += ";blend="   + frame.blend;
+		if (frame.x_offset > 0) { options += ";xoffset=" + frame.x_offset; }
+		if (frame.y_offset > 0) { options += ";yoffset=" + frame.y_offset; }
+
+		encoder.addImageFrame(frame.pixels, frame.pixels.length,
+			frame.width, frame.height, frame.stride, frame.format, options);
+	}
+
+	encoder.endImageEncode();
+
+	return encoder;
+}
+
+
+function makeDataURL(encoder, mimetype) {
+	var rawStream = encoder.QueryInterface(Ci.nsIInputStream);
+
+	var stream = Cc["@mozilla.org/binaryinputstream;1"].createInstance();
+	stream.QueryInterface(Ci.nsIBinaryInputStream);
+
+	stream.setInputStream(rawStream);
+
+	var bytes = stream.readByteArray(stream.available()); // returns int[]
+
+	var base64String = toBase64(bytes);
+
+	return "data:" + mimetype + ";base64," + base64String;
+}
+
+/* toBase64 copied from extensions/xml-rpc/src/nsXmlRpcClient.js */
+
+/* Convert data (an array of integers) to a Base64 string. */
+const toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' +
+    '0123456789+/';
+const base64Pad = '=';
+function toBase64(data) {
+    var result = '';
+    var length = data.length;
+    var i;
+    // Convert every three bytes to 4 ascii characters.
+    for (i = 0; i < (length - 2); i += 3) {
+        result += toBase64Table[data[i] >> 2];
+        result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
+        result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)];
+        result += toBase64Table[data[i+2] & 0x3f];
+    }
+
+    // Convert the remaining 1 or 2 bytes, pad out to 4 characters.
+    if (length%3) {
+        i = length - (length%3);
+        result += toBase64Table[data[i] >> 2];
+        if ((length%3) == 2) {
+            result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
+            result += toBase64Table[(data[i+1] & 0x0f) << 2];
+            result += base64Pad;
+        } else {
+            result += toBase64Table[(data[i] & 0x03) << 4];
+            result += base64Pad + base64Pad;
+        }
+    }
+
+    return result;
+}

image/test/unit/test_encoder_png.js

@@ -0,0 +1,256 @@
+/*
+ * Test for PNG encoding in ImageLib
+ *
+ */
+
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+var png1A = {
+        // A 3x3 image, rows are red, green, blue.
+        // RGB format, transparency defaults.
+
+        transparency : null,
+
+        frames  : [
+                {
+                        width  : 3,    height : 3,
+
+                        format : Ci.imgIEncoder.INPUT_FORMAT_RGB, stride : 9,
+
+                        pixels : [
+                                255,0,0,  255,0,0, 255,0,0,
+                                0,255,0,  0,255,0, 0,255,0,
+                                0,0,255,  0,0,255, 0,0,255,
+                                ]
+                }
+
+                ],
+        expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAAEUlEQVQImWP4z8AAQTAamQkAhpcI+DeMzFcAAAAASUVORK5CYII="
+};
+
+var png1B = {
+        // A 3x3 image, rows are red, green, blue.
+        // RGB format, transparency=none.
+
+        transparency : "none",
+
+        frames  : [
+                {
+                        width  : 3,    height : 3,
+
+                        format : Ci.imgIEncoder.INPUT_FORMAT_RGB, stride : 9,
+
+                        pixels : [
+                                255,0,0,  255,0,0, 255,0,0,
+                                0,255,0,  0,255,0, 0,255,0,
+                                0,0,255,  0,0,255, 0,0,255,
+                                ]
+                }
+
+                ],
+        expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAAEUlEQVQImWP4z8AAQTAamQkAhpcI+DeMzFcAAAAASUVORK5CYII="
+};
+
+var png2A = {
+        // A 3x3 image, rows are: red, green, blue. Columns are: 0%, 33%, 66% transparent.
+
+        transparency : null,
+
+        frames  : [
+                {
+                        width  : 3,    height : 3,
+
+                        format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+                        pixels : [
+                                255,0,0,255,  255,0,0,170, 255,0,0,85,
+                                0,255,0,255,  0,255,0,170, 0,255,0,85,
+                                0,0,255,255,  0,0,255,170, 0,0,255,85
+                                ]
+                }
+
+                ],
+        expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAAIElEQVQImSXJMQEAMAwEIUy+yZi8DmVFFBcjycn86GgPJw4O8v9DkkEAAAAASUVORK5CYII="
+};
+
+var png2B = {
+        // A 3x3 image, rows are: red, green, blue. Columns are: 0%, 33%, 66% transparent,
+        // but transparency will be ignored.
+
+        transparency : "none",
+
+        frames  : [
+                {
+                        width  : 3,    height : 3,
+
+                        format : Ci.imgIEncoder.INPUT_FORMAT_RGBA, stride : 12,
+
+                        pixels : [
+                                255,0,0,255,  255,0,0,170, 255,0,0,85,
+                                0,255,0,255,  0,255,0,170, 0,255,0,85,
+                                0,0,255,255,  0,0,255,170, 0,0,255,85
+                                ]
+                }
+
+                ],
+        expected : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAAEUlEQVQImWP4z8AAQTAamQkAhpcI+DeMzFcAAAAASUVORK5CYII="
+};
+
+// Main test entry point.
+function run_test() {
+        dump("Checking png1A...\n")
+        run_test_for(png1A);
+        dump("Checking png1B...\n")
+        run_test_for(png1B);
+        dump("Checking png2A...\n")
+        run_test_for(png2A);
+        dump("Checking png2B...\n")
+        run_test_for(png2B);
+}; 
+
+
+function run_test_for(input) {
+        var encoder, dataURL;
+
+        encoder = encodeImage(input);
+        dataURL = makeDataURL(encoder, "image/png");
+        do_check_eq(dataURL, input.expected);
+
+        encoder = encodeImageAsync(input);
+        dataURL = makeDataURLFromAsync(encoder, "image/png", input.expected);
+};
+
+
+function encodeImage(input) {
+        var encoder = Cc["@mozilla.org/image/encoder;2?type=image/png"].createInstance();
+        encoder.QueryInterface(Ci.imgIEncoder);
+
+        var options = "";
+        if (input.transparency) {
+                options += "transparency=" + input.transparency;
+        }
+
+        var frame = input.frames[0];
+        encoder.initFromData(frame.pixels, frame.pixels.length,
+                                frame.width, frame.height, frame.stride,
+                                frame.format, options);
+        return encoder;
+}
+
+function _encodeImageAsyncFactory(frame, options, encoder)
+{
+        function finishEncode() {
+            encoder.addImageFrame(frame.pixels, frame.pixels.length,
+                                  frame.width, frame.height, frame.stride,
+                                  frame.format, options);
+            encoder.endImageEncode();
+        }
+        return finishEncode;
+}
+
+function encodeImageAsync(input)
+{
+        var encoder = Cc["@mozilla.org/image/encoder;2?type=image/png"].createInstance();
+        encoder.QueryInterface(Ci.imgIEncoder);
+
+        var options = "";
+        if (input.transparency) {
+                options += "transparency=" + input.transparency;
+        }
+
+        var frame = input.frames[0];
+        encoder.startImageEncode(frame.width, frame.height,
+                                 frame.format, options);
+
+        do_timeout(50, _encodeImageAsyncFactory(frame, options, encoder));
+        return encoder;
+}
+
+
+function makeDataURL(encoder, mimetype) {
+        var rawStream = encoder.QueryInterface(Ci.nsIInputStream);
+
+        var stream = Cc["@mozilla.org/binaryinputstream;1"].createInstance();
+        stream.QueryInterface(Ci.nsIBinaryInputStream);
+
+        stream.setInputStream(rawStream);
+
+        var bytes = stream.readByteArray(stream.available()); // returns int[]
+
+        var base64String = toBase64(bytes);
+
+        return "data:" + mimetype + ";base64," + base64String;
+}
+
+function makeDataURLFromAsync(encoder, mimetype, expected) {
+        do_test_pending();
+        var rawStream = encoder.QueryInterface(Ci.nsIAsyncInputStream);
+
+        var currentThread = Cc["@mozilla.org/thread-manager;1"].getService().currentThread;
+
+        var bytes = [];
+
+        var binarystream = Cc["@mozilla.org/binaryinputstream;1"].createInstance();
+        binarystream.QueryInterface(Ci.nsIBinaryInputStream);
+
+        var asyncReader =
+        {
+            onInputStreamReady: function(stream)
+            {
+                binarystream.setInputStream(stream);
+                var available = 0;
+                try {
+                  available = stream.available();
+                } catch(e) { }
+
+                if (available > 0)
+                {
+                    bytes = bytes.concat(binarystream.readByteArray(available));
+                    stream.asyncWait(this, 0, 0, currentThread);
+                } else {
+                    var base64String = toBase64(bytes);
+                    var dataURL = "data:" + mimetype + ";base64," + base64String;
+                    do_check_eq(dataURL, expected);
+                    do_test_finished();
+                }
+
+            }
+        };
+        rawStream.asyncWait(asyncReader, 0, 0, currentThread);
+}
+
+/* toBase64 copied from extensions/xml-rpc/src/nsXmlRpcClient.js */
+
+/* Convert data (an array of integers) to a Base64 string. */
+const toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' +
+    '0123456789+/';
+const base64Pad = '=';
+function toBase64(data) {
+    var result = '';
+    var length = data.length;
+    var i;
+    // Convert every three bytes to 4 ascii characters.
+    for (i = 0; i < (length - 2); i += 3) {
+        result += toBase64Table[data[i] >> 2];
+        result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
+        result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)];
+        result += toBase64Table[data[i+2] & 0x3f];
+    }
+
+    // Convert the remaining 1 or 2 bytes, pad out to 4 characters.
+    if (length%3) {
+        i = length - (length%3);
+        result += toBase64Table[data[i] >> 2];
+        if ((length%3) == 2) {
+            result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
+            result += toBase64Table[(data[i+1] & 0x0f) << 2];
+            result += base64Pad;
+        } else {
+            result += toBase64Table[(data[i] & 0x03) << 4];
+            result += base64Pad + base64Pad;
+        }
+    }
+
+    return result;
+}

image/test/unit/test_imgtools.js

@@ -0,0 +1,737 @@
+/*
+ * Tests for imgITools
+ */
+
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+
+/*
+ * dumpToFile()
+ *
+ * For test development, dumps the specified array to a file.
+ * Call |dumpToFile(outData);| in a test to file to a file.
+ */
+function dumpToFile(aData) {
+    var outputFile = do_get_tempdir();
+    outputFile.append("testdump.png");
+
+    var outputStream = Cc["@mozilla.org/network/file-output-stream;1"].
+                       createInstance(Ci.nsIFileOutputStream);
+    // WR_ONLY|CREAT|TRUNC
+    outputStream.init(outputFile, 0x02 | 0x08 | 0x20, 0o644, null);
+
+    var bos = Cc["@mozilla.org/binaryoutputstream;1"].
+              createInstance(Ci.nsIBinaryOutputStream);
+    bos.setOutputStream(outputStream);
+
+    bos.writeByteArray(aData, aData.length);
+
+    outputStream.close();
+}
+
+
+/*
+ * getFileInputStream()
+ *
+ * Returns an input stream for the specified file.
+ */
+function getFileInputStream(aFile) {
+    var inputStream = Cc["@mozilla.org/network/file-input-stream;1"].
+                      createInstance(Ci.nsIFileInputStream);
+    // init the stream as RD_ONLY, -1 == default permissions.
+    inputStream.init(aFile, 0x01, -1, null);
+
+    // Blah. The image decoders use ReadSegments, which isn't implemented on
+    // file input streams. Use a buffered stream to make it work.
+    var bis = Cc["@mozilla.org/network/buffered-input-stream;1"].
+              createInstance(Ci.nsIBufferedInputStream);
+    bis.init(inputStream, 1024);
+
+    return bis;
+}
+
+
+/*
+ * streamToArray()
+ *
+ * Consumes an input stream, and returns its bytes as an array.
+ */
+function streamToArray(aStream) {
+    var size = aStream.available();
+
+    // use a binary input stream to grab the bytes.
+    var bis = Cc["@mozilla.org/binaryinputstream;1"].
+              createInstance(Ci.nsIBinaryInputStream);
+    bis.setInputStream(aStream);
+
+    var bytes = bis.readByteArray(size);
+    if (size != bytes.length)
+        throw "Didn't read expected number of bytes";
+
+    return bytes;
+}
+
+
+/*
+ * compareArrays
+ *
+ * Compares two arrays, and throws if there's a difference.
+ */
+function compareArrays(aArray1, aArray2) {
+    do_check_eq(aArray1.length, aArray2.length);
+
+    for (var i = 0; i < aArray1.length; i++)
+        if (aArray1[i] != aArray2[i])
+            throw "arrays differ at index " + i;
+}
+
+
+/*
+ * checkExpectedError
+ *
+ * Checks to see if a thrown error was expected or not, and if it
+ * matches the expected value.
+ */
+function checkExpectedError (aExpectedError, aActualError) {
+  if (aExpectedError) {
+      if (!aActualError)
+          throw "Didn't throw as expected (" + aExpectedError + ")";
+
+      if (!aExpectedError.test(aActualError))
+          throw "Threw (" + aActualError + "), not (" + aExpectedError;
+
+      // We got the expected error, so make a note in the test log.
+      dump("...that error was expected.\n\n");
+  } else if (aActualError) {
+      throw "Threw unexpected error: " + aActualError;
+  }
+}
+
+
+function run_test() {
+
+try {
+
+
+/* ========== 0 ========== */
+var testnum = 0;
+var testdesc = "imgITools setup";
+var err = null;
+
+var imgTools = Cc["@mozilla.org/image/tools;1"].
+               getService(Ci.imgITools);
+
+if (!imgTools)
+    throw "Couldn't get imgITools service"
+
+// Ugh, this is an ugly hack. The pixel values we get in Windows are sometimes
+// +/- 1 value compared to other platforms, so we need to compare against a
+// different set of reference images. nsIXULRuntime.OS doesn't seem to be
+// available in xpcshell, so we'll use this as a kludgy way to figure out if
+// we're running on Windows.
+var isWindows = mozinfo.os == "win";
+
+
+/* ========== 1 ========== */
+testnum++;
+testdesc = "test decoding a PNG";
+
+// 64x64 png, 8415 bytes.
+var imgName = "image1.png";
+var inMimeType = "image/png";
+var imgFile = do_get_file(imgName);
+
+var istream = getFileInputStream(imgFile);
+do_check_eq(istream.available(), 8415);
+
+// Use decodeImageData for this test even though it's deprecated to ensure that
+// it correctly forwards to decodeImage and continues to work.
+var outParam = { value: null };
+imgTools.decodeImageData(istream, inMimeType, outParam);
+var container = outParam.value;
+
+// It's not easy to look at the pixel values from JS, so just
+// check the container's size.
+do_check_eq(container.width,  64);
+do_check_eq(container.height, 64);
+
+
+/* ========== 2 ========== */
+testnum++;
+testdesc = "test encoding a scaled JPEG";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container, "image/jpeg", 16, 16);
+
+var encodedBytes = streamToArray(istream);
+// Get bytes for exected result
+var refName = "image1png16x16.jpg";
+var refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1051);
+var referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 3 ========== */
+testnum++;
+testdesc = "test encoding an unscaled JPEG";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeImage(container, "image/jpeg");
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image1png64x64.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 4503);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 4 ========== */
+testnum++;
+testdesc = "test decoding a JPEG";
+
+// 32x32 jpeg, 3494 bytes.
+imgName = "image2.jpg";
+inMimeType = "image/jpeg";
+imgFile = do_get_file(imgName);
+
+istream = getFileInputStream(imgFile);
+do_check_eq(istream.available(), 3494);
+
+container = imgTools.decodeImage(istream, inMimeType);
+
+// It's not easy to look at the pixel values from JS, so just
+// check the container's size.
+do_check_eq(container.width,  32);
+do_check_eq(container.height, 32);
+
+
+/* ========== 5 ========== */
+testnum++;
+testdesc = "test encoding a scaled PNG";
+
+if (!isWindows) {
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container, "image/png", 16, 16);
+
+encodedBytes = streamToArray(istream);
+// Get bytes for exected result
+refName = isWindows ? "image2jpg16x16-win.png" : "image2jpg16x16.png";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 950);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+}
+
+
+/* ========== 6 ========== */
+testnum++;
+testdesc = "test encoding an unscaled PNG";
+
+if (!isWindows) {
+// we'll reuse the container from the previous test
+istream = imgTools.encodeImage(container, "image/png");
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = isWindows ? "image2jpg32x32-win.png" : "image2jpg32x32.png";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 3105);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+}
+
+
+/* ========== 7 ========== */
+testnum++;
+testdesc = "test decoding a ICO";
+
+// 16x16 ico, 1406 bytes.
+imgName = "image3.ico";
+inMimeType = "image/x-icon";
+imgFile = do_get_file(imgName);
+
+istream = getFileInputStream(imgFile);
+do_check_eq(istream.available(), 1406);
+
+container = imgTools.decodeImage(istream, inMimeType);
+
+// It's not easy to look at the pixel values from JS, so just
+// check the container's size.
+do_check_eq(container.width,  16);
+do_check_eq(container.height, 16);
+
+
+/* ========== 8 ========== */
+testnum++;
+testdesc = "test encoding a scaled PNG"; // note that we're scaling UP
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container, "image/png", 32, 32);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image3ico32x32.png";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 2285);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 9 ========== */
+testnum++;
+testdesc = "test encoding an unscaled PNG";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeImage(container, "image/png");
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image3ico16x16.png";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 330);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 10 ========== */
+testnum++;
+testdesc = "test decoding a GIF";
+
+// 32x32 gif, 1809 bytes.
+imgName = "image4.gif";
+inMimeType = "image/gif";
+imgFile = do_get_file(imgName);
+
+istream = getFileInputStream(imgFile);
+do_check_eq(istream.available(), 1809);
+
+container = imgTools.decodeImage(istream, inMimeType);
+
+// It's not easy to look at the pixel values from JS, so just
+// check the container's size.
+do_check_eq(container.width, 32);
+do_check_eq(container.height, 32);
+
+/* ========== 11 ========== */
+testnum++;
+testdesc = "test encoding an unscaled ICO with format options " +
+           "(format=bmp;bpp=32)";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeImage(container,
+                               "image/vnd.microsoft.icon",
+                               "format=bmp;bpp=32");
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image4gif32x32bmp32bpp.ico";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 4286);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+/* ========== 12 ========== */
+testnum++;
+testdesc = "test encoding a scaled ICO with format options " +
+           "(format=bmp;bpp=32)";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container,
+                                     "image/vnd.microsoft.icon",
+                                     16,
+                                     16,
+                                     "format=bmp;bpp=32");
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image4gif16x16bmp32bpp.ico";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1150);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+/* ========== 13 ========== */
+testnum++;
+testdesc = "test encoding an unscaled ICO with format options " +
+           "(format=bmp;bpp=24)";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeImage(container,
+                               "image/vnd.microsoft.icon",
+                               "format=bmp;bpp=24");
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image4gif32x32bmp24bpp.ico";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 3262);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+/* ========== 14 ========== */
+testnum++;
+testdesc = "test encoding a scaled ICO with format options " +
+           "(format=bmp;bpp=24)";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container,
+                                     "image/vnd.microsoft.icon",
+                                     16,
+                                     16,
+                                     "format=bmp;bpp=24");
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image4gif16x16bmp24bpp.ico";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 894);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 15 ========== */
+testnum++;
+testdesc = "test cropping a JPG";
+
+// 32x32 jpeg, 3494 bytes.
+imgName = "image2.jpg";
+inMimeType = "image/jpeg";
+imgFile = do_get_file(imgName);
+
+istream = getFileInputStream(imgFile);
+do_check_eq(istream.available(), 3494);
+
+container = imgTools.decodeImage(istream, inMimeType);
+
+// It's not easy to look at the pixel values from JS, so just
+// check the container's size.
+do_check_eq(container.width,  32);
+do_check_eq(container.height, 32);
+
+// encode a cropped image
+istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 16, 16);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg16x16cropped.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 879);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 16 ========== */
+testnum++;
+testdesc = "test cropping a JPG with an offset";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeCroppedImage(container, "image/jpeg", 16, 16, 16, 16);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg16x16cropped2.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 878);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 17 ========== */
+testnum++;
+testdesc = "test cropping a JPG without a given height";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 16, 0);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg16x32cropped3.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1127);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 18 ========== */
+testnum++;
+testdesc = "test cropping a JPG without a given width";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 0, 16);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg32x16cropped4.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1135);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 19 ========== */
+testnum++;
+testdesc = "test cropping a JPG without a given width and height";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 0, 0);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg32x32.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1634);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 20 ========== */
+testnum++;
+testdesc = "test scaling a JPG without a given width";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container, "image/jpeg", 0, 16);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg32x16scaled.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1227);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 21 ========== */
+testnum++;
+testdesc = "test scaling a JPG without a given height";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container, "image/jpeg", 16, 0);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg16x32scaled.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1219);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 22 ========== */
+testnum++;
+testdesc = "test scaling a JPG without a given width and height";
+
+// we'll reuse the container from the previous test
+istream = imgTools.encodeScaledImage(container, "image/jpeg", 0, 0);
+encodedBytes = streamToArray(istream);
+
+// Get bytes for exected result
+refName = "image2jpg32x32.jpg";
+refFile = do_get_file(refName);
+istream = getFileInputStream(refFile);
+do_check_eq(istream.available(), 1634);
+referenceBytes = streamToArray(istream);
+
+// compare the encoder's output to the reference file.
+compareArrays(encodedBytes, referenceBytes);
+
+
+/* ========== 22 ========== */
+testnum++;
+testdesc = "test invalid arguments for cropping";
+
+var numErrors = 0;
+
+try {
+  // width/height can't be negative
+  imgTools.encodeScaledImage(container, "image/jpeg", -1, -1);
+} catch (e) { numErrors++; }
+
+try {
+  // offsets can't be negative
+  imgTools.encodeCroppedImage(container, "image/jpeg", -1, -1, 16, 16);
+} catch (e) { numErrors++; }
+
+try {
+  // width/height can't be negative
+  imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, -1, -1);
+} catch (e) { numErrors++; }
+
+try {
+  // out of bounds
+  imgTools.encodeCroppedImage(container, "image/jpeg", 17, 17, 16, 16);
+} catch (e) { numErrors++; }
+
+try {
+  // out of bounds
+  imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 33, 33);
+} catch (e) { numErrors++; }
+
+try {
+  // out of bounds
+  imgTools.encodeCroppedImage(container, "image/jpeg", 1, 1, 0, 0);
+} catch (e) { numErrors++; }
+
+do_check_eq(numErrors, 6);
+
+
+/* ========== bug 363986 ========== */
+testnum = 363986;
+testdesc = "test PNG and JPEG encoders' Read/ReadSegments methods";
+
+var testData = 
+    [{preImage: "image3.ico",
+      preImageMimeType: "image/x-icon",
+      refImage: "image3ico16x16.png",
+      refImageMimeType: "image/png"},
+     {preImage: "image1.png",
+      preImageMimeType: "image/png",
+      refImage: "image1png64x64.jpg",
+      refImageMimeType: "image/jpeg"}];
+
+for(var i=0; i<testData.length; ++i) {
+    var dict = testData[i];
+
+    var imgFile = do_get_file(dict["refImage"]);
+    var istream = getFileInputStream(imgFile);
+    var refBytes = streamToArray(istream);
+
+    imgFile = do_get_file(dict["preImage"]);
+    istream = getFileInputStream(imgFile);
+
+    var container = imgTools.decodeImage(istream, dict["preImageMimeType"]);
+
+    istream = imgTools.encodeImage(container, dict["refImageMimeType"]);
+
+    var sstream = Cc["@mozilla.org/storagestream;1"].
+	          createInstance(Ci.nsIStorageStream);
+    sstream.init(4096, 4294967295, null);
+    var ostream = sstream.getOutputStream(0);
+    var bostream = Cc["@mozilla.org/network/buffered-output-stream;1"].
+	           createInstance(Ci.nsIBufferedOutputStream);
+
+    //use a tiny buffer to make sure the image data doesn't fully fit in it
+    bostream.init(ostream, 8);
+
+    bostream.writeFrom(istream, istream.available());
+    bostream.flush(); bostream.close();
+
+    var encBytes = streamToArray(sstream.newInputStream(0));
+
+    compareArrays(refBytes, encBytes);
+}
+
+
+/* ========== bug 413512  ========== */
+testnum = 413512;
+testdesc = "test decoding bad favicon (bug 413512)";
+
+imgName = "bug413512.ico";
+inMimeType = "image/x-icon";
+imgFile = do_get_file(imgName);
+
+istream = getFileInputStream(imgFile);
+do_check_eq(istream.available(), 17759);
+var errsrc = "none";
+
+try {
+  container = imgTools.decodeImage(istream, inMimeType);
+
+  // We expect to hit an error during encoding because the ICO header of the
+  // image is fine, but the actual resources are corrupt. Since decodeImage()
+  // only performs a metadata decode, it doesn't decode far enough to realize
+  // this, but we'll find out when we do a full decode during encodeImage().
+  try {
+      istream = imgTools.encodeImage(container, "image/png");
+  } catch (e) {
+      err = e;
+      errsrc = "encode";
+  }
+} catch (e) {
+  err = e;
+  errsrc = "decode";
+}
+
+do_check_eq(errsrc, "encode");
+checkExpectedError(/NS_ERROR_FAILURE/, err);
+
+
+/* ========== bug 815359  ========== */
+testnum = 815359;
+testdesc = "test correct ico hotspots (bug 815359)";
+
+imgName = "bug815359.ico";
+inMimeType = "image/x-icon";
+imgFile = do_get_file(imgName);
+
+istream = getFileInputStream(imgFile);
+do_check_eq(istream.available(), 4286);
+
+container = imgTools.decodeImage(istream, inMimeType);
+
+var props = container.QueryInterface(Ci.nsIProperties);
+
+do_check_eq(props.get("hotspotX", Ci.nsISupportsPRUint32).data, 10);
+do_check_eq(props.get("hotspotY", Ci.nsISupportsPRUint32).data, 9);
+
+
+/* ========== end ========== */
+
+} catch (e) {
+    throw "FAILED in test #" + testnum + " -- " + testdesc + ": " + e;
+}
+};

image/test/unit/test_private_channel.js

@@ -0,0 +1,143 @@
+var Cc = Components.classes;
+var Ci = Components.interfaces;
+var Cr = Components.results;
+var Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/NetUtil.jsm");
+Cu.import("resource://testing-common/httpd.js");
+
+var server = new HttpServer();
+server.registerPathHandler('/image.png', imageHandler);
+server.start(-1);
+
+load('image_load_helpers.js');
+
+var gHits = 0;
+
+var gIoService = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
+var gPublicLoader = Cc["@mozilla.org/image/loader;1"].createInstance(Ci.imgILoader);
+var gPrivateLoader = Cc["@mozilla.org/image/loader;1"].createInstance(Ci.imgILoader);
+gPrivateLoader.QueryInterface(Ci.imgICache).respectPrivacyNotifications();
+
+function imageHandler(metadata, response) {
+  gHits++;
+  response.setHeader("Cache-Control", "max-age=10000", false);
+  response.setStatusLine(metadata.httpVersion, 200, "OK");
+  response.setHeader("Content-Type", "image/png", false);
+  var body = "iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAAEUlEQVQImWP4z8AAQTAamQkAhpcI+DeMzFcAAAAASUVORK5CYII=";
+  response.bodyOutputStream.write(body, body.length);
+}
+
+var requests = [];
+var listeners = [];
+
+function NotificationCallbacks(isPrivate) {
+  this.originAttributes.privateBrowsingId = isPrivate ? 1 : 0;
+  this.usePrivateBrowsing = isPrivate;
+}
+
+NotificationCallbacks.prototype = {
+  QueryInterface: function (iid) {
+    if (iid.equals(Ci.nsISupports) ||
+        iid.equals(Ci.nsILoadContext))
+      return this;
+    throw Cr.NS_ERROR_NO_INTERFACE;
+  },
+  getInterface: function(iid) {
+    if (iid.equals(Ci.nsILoadContext))
+      return this;
+    throw Cr.NS_ERROR_NO_INTERFACE;
+  },
+  originAttributes: {
+    privateBrowsingId: 0
+  }
+};
+
+var gImgPath = 'http://localhost:' + server.identity.primaryPort + '/image.png';
+
+function setup_chan(path, isPrivate, callback) {
+  var uri = NetUtil.newURI(gImgPath);
+  var securityFlags = Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL;
+  var principal = Services.scriptSecurityManager
+                          .createCodebasePrincipal(uri, {privateBrowsingId: isPrivate ? 1 : 0});
+  var chan =  NetUtil.newChannel({uri: uri, loadingPrincipal: principal,
+                                  securityFlags: securityFlags,
+                                  contentPolicyType: Ci.nsIContentPolicy.TYPE_INTERNAL_IMAGE});
+  chan.notificationCallbacks = new NotificationCallbacks(isPrivate);
+  var channelListener = new ChannelListener();
+  chan.asyncOpen2(channelListener);
+
+  var listener = new ImageListener(null, callback);
+  var outlistener = {};
+  var loader = isPrivate ? gPrivateLoader : gPublicLoader;
+  var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                .createScriptedObserver(listener);
+  listeners.push(outer);
+  requests.push(loader.loadImageWithChannelXPCOM(chan, outer, null, outlistener));
+  channelListener.outputListener = outlistener.value;
+  listener.synchronous = false;
+}
+
+function loadImage(isPrivate, callback) {
+  var listener = new ImageListener(null, callback);
+  var outer = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
+                .createScriptedObserver(listener);
+  var uri = gIoService.newURI(gImgPath, null, null);
+  var loadGroup = Cc["@mozilla.org/network/load-group;1"].createInstance(Ci.nsILoadGroup);
+  loadGroup.notificationCallbacks = new NotificationCallbacks(isPrivate);
+  var loader = isPrivate ? gPrivateLoader : gPublicLoader;
+  requests.push(loader.loadImageXPCOM(uri, null, null, "default", null, loadGroup, outer, null, 0, null));
+  listener.synchronous = false;
+}
+
+function run_loadImage_tests() {
+  function observer() {
+    Services.obs.removeObserver(observer, "cacheservice:empty-cache");
+    gHits = 0;
+    loadImage(false, function() {
+      loadImage(false, function() {
+        loadImage(true, function() {
+          loadImage(true, function() {
+            do_check_eq(gHits, 2);
+            server.stop(do_test_finished);
+          });
+        });
+      });
+    });
+  }
+
+  Services.obs.addObserver(observer, "cacheservice:empty-cache", false);
+  let cs = Cc["@mozilla.org/netwerk/cache-storage-service;1"]
+             .getService(Ci.nsICacheStorageService);
+  cs.clear();
+}
+
+function cleanup()
+{
+  for (var i = 0; i < requests.length; ++i) {
+    requests[i].cancelAndForgetObserver(0);
+  }
+}
+
+function run_test() {
+  do_register_cleanup(cleanup);
+
+  do_test_pending();
+
+  // We create a public channel that loads an image, then an identical
+  // one that should cause a cache read. We then create a private channel
+  // and load the same image, and do that a second time to ensure a cache
+  // read. In total, we should cause two separate http responses to occur,
+  // since the private channels shouldn't be able to use the public cache.
+  setup_chan('/image.png', false, function() {
+    setup_chan('/image.png', false, function() {
+      setup_chan('/image.png', true, function() {
+        setup_chan('/image.png', true, function() {
+          do_check_eq(gHits, 2);
+          run_loadImage_tests();
+        });
+      });
+    });
+  });
+}

image/test/unit/xpcshell.ini

@@ -0,0 +1,45 @@
+[DEFAULT]
+head =
+tail =
+support-files =
+  async_load_tests.js
+  bug413512.ico
+  bug815359.ico
+  image1.png
+  image1png16x16.jpg
+  image1png64x64.jpg
+  image2.jpg
+  image2jpg16x16-win.png
+  image2jpg16x16.png
+  image2jpg16x16cropped.jpg
+  image2jpg16x16cropped2.jpg
+  image2jpg16x32cropped3.jpg
+  image2jpg16x32scaled.jpg
+  image2jpg32x16cropped4.jpg
+  image2jpg32x16scaled.jpg
+  image2jpg32x32-win.png
+  image2jpg32x32.jpg
+  image2jpg32x32.png
+  image3.ico
+  image3ico16x16.png
+  image3ico32x32.png
+  image4.gif
+  image4gif16x16bmp24bpp.ico
+  image4gif16x16bmp32bpp.ico
+  image4gif32x32bmp24bpp.ico
+  image4gif32x32bmp32bpp.ico
+  image_load_helpers.js
+
+
+[test_async_notification.js]
+# Bug 1156452: frequent crash on Android 4.3
+skip-if = os == "android"
+[test_async_notification_404.js]
+[test_async_notification_animated.js]
+[test_encoder_apng.js]
+[test_encoder_png.js]
+[test_imgtools.js]
+# Bug 676968
+skip-if = os == "android"
+[test_moz_icon_uri.js]
+[test_private_channel.js]