Adds AwContentsClientOnScaleChangedTest

BUG=


Review URL: https://chromiumcodereview.appspot.com/11348280

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@171191 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 69 insertions, 0 deletions

diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/AwContentsClientOnScaleChangedTest.java b/android_webview/javatests/src/org/chromium/android_webview/test/AwContentsClientOnScaleChangedTest.java
new file mode 100644
index 0000000..6d1b840
--- /dev/null
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/AwContentsClientOnScaleChangedTest.java
@@ -0,0 +1,69 @@
+// 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.
+
+package org.chromium.android_webview.test;
+
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.chromium.android_webview.AwContents;
+import org.chromium.content.browser.ContentViewCore;
+import org.chromium.content.browser.test.util.CallbackHelper;
+import org.chromium.android_webview.test.util.CommonResources;
+
+import android.util.Log;
+
+/**
+ * Tests for the WebViewClient.onScaleChanged.
+ */
+public class AwContentsClientOnScaleChangedTest extends AndroidWebViewTestBase {
+    private static class OnScaleChangedHelper extends CallbackHelper {
+       private float mLastScaleRatio;
+
+       public void notifyCalled(float ratio) {
+           super.notifyCalled();
+           mLastScaleRatio = ratio;
+       }
+    }
+
+    private static class TestAwContentsClient
+            extends org.chromium.android_webview.test.TestAwContentsClient {
+         private OnScaleChangedHelper mOnScaleChangedHelper = new OnScaleChangedHelper();
+         @Override
+         public void onScaleChanged(float oldScale, float newScale) {
+             // We should not be getting any messages from scrolling.
+             assertTrue(oldScale != newScale);
+             mOnScaleChangedHelper.notifyCalled(newScale / oldScale);
+         }
+    }
+
+    private TestAwContentsClient mContentsClient;
+    private AwContents mAwContents;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mContentsClient = new TestAwContentsClient();
+        AwTestContainerView testContainerView =
+                createAwTestContainerViewOnMainSync(mContentsClient);
+        mAwContents = testContainerView.getAwContents();
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        super.tearDown();
+    }
+
+    @SmallTest
+    public void testScaleUp() throws Throwable {
+        loadDataSync(mAwContents, mContentsClient.getOnPageFinishedHelper(),
+             CommonResources.ABOUT_HTML, "text/html", false);
+        ContentViewCore core = mAwContents.getContentViewCore();
+        int callCount = mContentsClient.mOnScaleChangedHelper.getCallCount();
+        core.onSizeChanged(core.getWidth() / 2, core.getHeight() / 2,
+             core.getWidth(), core.getHeight());
+        // TODO: Investigate on using core.zoomIn();
+        mContentsClient.mOnScaleChangedHelper.waitForCallback(callCount);
+        assertTrue(mContentsClient.mOnScaleChangedHelper.mLastScaleRatio < 1);
+    }
+}