Bug 640957 - Tests for thumbnail generation [r=mfinkle]

mobile/chrome/tests/Makefile.in

@@ -86,6 +86,7 @@ _BROWSER_FILES = \
   browser_viewport.sjs \
   browser_scrollbar.sjs \
   browser_title.sjs \
+  browser_thumbnails.js \
   browser_install.xml \
   browser_upgrade.rdf\
   browser_autocompletesearch.js\

mobile/chrome/tests/browser_thumbnails.js

@@ -0,0 +1,156 @@
+// -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Mobile Browser.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2008
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Wes Johnston <wjohnston@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+let baseURI = "http://mochi.test:8888/browser/mobile/chrome/";
+let testURL_blank = baseURI + "browser_blank_01.html";
+
+const DEFAULT_WIDTH = 800;
+
+function testURL(n) {
+  if (n < 0)
+    return testURL_blank;
+
+  return baseURI + "browser_viewport.sjs?" + encodeURIComponent(gTestData[n].metadata);
+}
+
+function scaleRatio(n) {
+  if ("scaleRatio" in gTestData[n])
+    return gTestData[n].scaleRatio;
+  return 150; // Default value matches our main target hardware (N900, Nexus One, etc.)
+}
+
+let currentTab;
+
+let loadURL = function loadURL(aPageURL) {
+  BrowserUI.goToURI(aPageURL);
+};
+
+let gTestData = [
+  { metadata: "", width: DEFAULT_WIDTH, scale: 1 },
+  { metadata: "width=device-width, initial-scale=1" },
+  { metadata: "width=device-width" },
+  { metadata: "width=320, initial-scale=1" },
+  { metadata: "initial-scale=1.0, user-scalable=no" },
+  { metadata: "width=200,height=500" },
+  { metadata: "width=2000, minimum-scale=0.75" },
+  { metadata: "width=100, maximum-scale=2.0" },
+  { metadata: "width=2000, initial-scale=0.75" },
+  { metadata: "width=20000, initial-scale=100" },
+  { metadata: "XHTML" },
+  /* testing opening and switching between pages without a viewport */
+  { metadata: "style=width:400px;margin:0px;" },
+  { metadata: "style=width:1000px;margin:0px;" },
+  { metadata: "style=width:800px;margin:0px;" },
+  { metadata: "style=width:800px;height:300px;margin:0px;" },
+  { metadata: "style=width:800px;height:1000px;margin:0px;" },
+];
+
+
+
+//------------------------------------------------------------------------------
+// Entry point (must be named "test")
+let gCurrentTest = -1;
+let secondPass = false;
+let oldRendererFactory;
+let gDevice = null;
+function test() {
+  oldRendererFactory = rendererFactory;
+  rendererFactory = newRendererFactory;
+
+  // if we are on desktop, we can run tests in both portrait and landscape modes
+  // on devices we should just use the current orientation
+  let sysInfo = Cc["@mozilla.org/system-info;1"].getService(Ci.nsIPropertyBag2);
+  gDevice = sysInfo.get("device");
+  if (gDevice != null)
+    secondPass = true;
+
+  // This test is async
+  waitForExplicitFinish();
+
+  currentTab = Browser.addTab("about:blank", true);
+  ok(currentTab, "Tab Opened");
+
+  startTest(gCurrentTest);
+}
+
+function startTest(n) {
+  let url = testURL(gCurrentTest);
+  info("Testing: " + url)
+  loadURL(url);
+}
+
+function newRendererFactory(aBrowser, aCanvas) {
+  let wrapper = {};
+  let ctx = aCanvas.MozGetIPCContext("2d");
+  let draw = function(browser, aLeft, aTop, aWidth, aHeight, aColor, aFlags) {
+    is(aLeft,   0,"Thumbnail drawn at x=0");
+    is(aTop,    0,"Thumbnail drawn at y=0");
+    ok(aWidth <= browser.contentDocumentWidth,  "Thumbnail ok width: " + aWidth  + " <= " + browser.contentDocumentWidth);
+    ok(aHeight <= browser.contentDocumentHeight,"Thumbnail ok height:" + aHeight + " <= " + browser.contentDocumentHeight);
+    finishTest();
+  };
+  wrapper.checkBrowser = function(browser) {
+    return browser.contentWindow;
+  };
+  wrapper.drawContent = function(callback) {
+    callback(ctx, draw);
+  };
+
+  return wrapper;
+};
+
+function finishTest() {
+  gCurrentTest++;
+  if (gCurrentTest < gTestData.length) {
+    startTest(gCurrentTest);
+  } else if (secondPass) {
+
+    if (gDevice == null)
+      window.top.resizeTo(480,800);
+
+    Browser.closeTab(currentTab);
+    rendererFactory = oldRendererFactory;
+    finish();
+  } else {
+    secondPass = true;
+    gCurrentTest = -1;
+    window.top.resizeTo(800,480);
+    startTest(gCurrentTest);
+  }
+}