BrowserPlugin: Grab the correct viewsize to report to BrowserPluginGuestDelegate

chrome/test/data/extensions/platform_apps/web_view/shim/main.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var util = {};
 var embedder = {};
 embedder.baseGuestURL = '';
 embedder.emptyGuestURL = '';
 embedder.windowOpenGuestURL = '';
 embedder.noReferrerGuestURL = '';
@@ skipping 75 matching lines @@
 
 embedder.test.assertFalse = function(condition) {
   if (condition) {
     console.log('assertion failed: false != ' + condition);
     embedder.test.fail();
   }
 };
 
 // Tests begin.
 
+// This test verifies that a lengthy page with autosize enabled will report
+// the correct height in the sizechanged event.
+function testAutosizeHeight() {
+  var webview = document.createElement('webview');
+
+  webview.autosize = true;
+  webview.minwidth = 200;
+  webview.maxwidth = 210;
+  webview.minheight = 40;
+  webview.maxheight = 200;
+
+  var step = 1;
+  webview.addEventListener('sizechanged', function(e) {
+    switch (step) {
+      case 1:
+        embedder.test.assertEq(0, e.oldHeight);
+        embedder.test.assertEq(200, e.newHeight);
+        // Change the maxheight to verify that we see the change.
+        webview.maxheight = 50;
+        break;
+      case 2:
+        embedder.test.assertEq(200, e.oldHeight);
+        embedder.test.assertEq(50, e.newHeight);
+        embedder.test.succeed();
+        break;
+      default:
+        window.console.log('Unexpected sizechanged event, step = ' + step);
+        embedder.test.fail();
+        break;
+    }
+    ++step;
+  });
+
+  webview.src = 'data:text/html,' +
+                'a<br/>b<br/>c<br/>d<br/>e<br/>f<br/>' +
+                'a<br/>b<br/>c<br/>d<br/>e<br/>f<br/>' +
+                'a<br/>b<br/>c<br/>d<br/>e<br/>f<br/>' +
+                'a<br/>b<br/>c<br/>d<br/>e<br/>f<br/>' +
+                'a<br/>b<br/>c<br/>d<br/>e<br/>f<br/>';
+  document.body.appendChild(webview);
+}
+
 // This test verifies that if a browser plugin is in autosize mode before
 // navigation then the guest starts auto-sized.
 function testAutosizeBeforeNavigation() {
   var webview = document.createElement('webview');
 
   webview.setAttribute('autosize', 'true');
   webview.setAttribute('minwidth', 200);
   webview.setAttribute('maxwidth', 210);
   webview.setAttribute('minheight', 100);
   webview.setAttribute('maxheight', 110);
@@ skipping 1619 matching lines @@
     });
     wv.find("dog");
     wv.find("cat");
     wv.find("dog");
   });
 
   document.body.appendChild(webview);
 };
 
 embedder.test.testList = {
+  'testAutosizeHeight': testAutosizeHeight,
   'testAutosizeAfterNavigation': testAutosizeAfterNavigation,
   'testAutosizeBeforeNavigation': testAutosizeBeforeNavigation,
   'testAutosizeRemoveAttributes': testAutosizeRemoveAttributes,
   'testAutosizeWithPartialAttributes': testAutosizeWithPartialAttributes,
   'testAPIMethodExistence': testAPIMethodExistence,
   'testChromeExtensionURL': testChromeExtensionURL,
   'testChromeExtensionRelativePath': testChromeExtensionRelativePath,
   'testDisplayNoneWebviewLoad': testDisplayNoneWebviewLoad,
   'testDisplayNoneWebviewRemoveChild': testDisplayNoneWebviewRemoveChild,
   'testInlineScriptFromAccessibleResources':
@@ skipping 55 matching lines @@
   'testFindAPI': testFindAPI,
   'testFindAPI_findupdate': testFindAPI
 };
 
 onload = function() {
   chrome.test.getConfig(function(config) {
     embedder.setUp_(config);
     chrome.test.sendMessage("Launched");
   });
 };