android webview: setShouldReuseGlobalForUnownedMainFrame

android_webview/javatests/src/org/chromium/android_webview/test/AwSettingsTest.java

 // Copyright 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.content.Context;
 import android.graphics.Point;
 import android.net.http.SslError;
 import android.os.Build;
 import android.os.SystemClock;
 import android.test.suitebuilder.annotation.LargeTest;
 import android.test.suitebuilder.annotation.MediumTest;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.view.WindowManager;
 import android.webkit.JavascriptInterface;
 import android.webkit.ValueCallback;
 import android.webkit.WebSettings;
 import android.webkit.WebSettings.LayoutAlgorithm;
 
 import static org.chromium.base.test.util.ScalableTimeout.scaleTimeout;
 
 import org.apache.http.Header;
 import org.apache.http.HttpRequest;
 import org.chromium.android_webview.AwContents;
 import org.chromium.android_webview.AwSettings;
 import org.chromium.android_webview.AwWebResourceResponse;
 import org.chromium.android_webview.test.util.CommonResources;
 import org.chromium.android_webview.test.util.ImagePageGenerator;
+import org.chromium.android_webview.test.util.JSUtils;
 import org.chromium.android_webview.test.util.VideoTestUtil;
 import org.chromium.android_webview.test.util.VideoTestWebServer;
 import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.TestFileUtil;
 import org.chromium.base.test.util.UrlUtils;
 import org.chromium.content.browser.test.util.CallbackHelper;
 import org.chromium.content.browser.test.util.HistoryUtils;
 import org.chromium.content.browser.test.util.TestCallbackHelperContainer;
 import org.chromium.content_public.browser.WebContents;
@@ skipping 2826 matching lines @@
             onPageFinishedHelper.waitForCallback(initialCallCount + 1, 1, WAIT_TIMEOUT_MS,
                     TimeUnit.MILLISECONDS);
             assertEquals(url, onPageFinishedHelper.getUrl());
         } finally {
             if (httpServer != null) {
                 httpServer.shutdown();
             }
         }
     }
 
+    private TestDependencyFactory mOverridenFactory;
+
+    @Override
+    public void tearDown() throws Exception {
+        mOverridenFactory = null;
+        super.tearDown();
+    }
+
+    @Override
+    protected TestDependencyFactory createTestDependencyFactory() {
+        if (mOverridenFactory == null) {
+            return new TestDependencyFactory();
+        } else {
+            return mOverridenFactory;
+        }
+    }
+
+    private static class EmptyDocumentPeristenceTestDependencyFactory
+            extends TestDependencyFactory {
+        private boolean mAllow;
+        public EmptyDocumentPeristenceTestDependencyFactory(boolean allow) {
+            mAllow = allow;
+        }
+
+        @Override
+        public AwSettings createAwSettings(Context context, boolean supportsLegacyQuirks) {
+            return new AwSettings(context, false /* isAccessFromFileURLsGrantedByDefault */,
+                    supportsLegacyQuirks, mAllow);
+        }
+    }
+
+    private void doAllowEmptyDocumentPersistenceTest(boolean allow) throws Throwable {
+        mOverridenFactory = new EmptyDocumentPeristenceTestDependencyFactory(allow);
+
+        final TestAwContentsClient client = new TestAwContentsClient();
+        final AwTestContainerView mContainerView = createAwTestContainerViewOnMainSync(client);
+        final AwContents awContents = mContainerView.getAwContents();
+        enableJavaScriptOnUiThread(awContents);
+        JSUtils.executeJavaScriptAndWaitForResult(this, awContents,
+                client.getOnEvaluateJavaScriptResultHelper(),
+                "window.emptyDocumentPersistenceTest = true;");
+        loadUrlSync(awContents, client.getOnPageFinishedHelper(), "about:blank");
+        String result = JSUtils.executeJavaScriptAndWaitForResult(this, awContents,
+                client.getOnEvaluateJavaScriptResultHelper(),
+                "window.emptyDocumentPersistenceTest ? 'set' : 'not set';");
+        assertEquals(allow ? "\"set\"" : "\"not set\"", result);
+    }
+
+    @SmallTest
+    @Feature({"AndroidWebView", "Preferences"})
+    public void testAllowEmptyDocumentPersistence() throws Throwable {
+        doAllowEmptyDocumentPersistenceTest(true);
+    }
+
+    @SmallTest
+    @Feature({"AndroidWebView", "Preferences"})
+    public void testDisallowEmptyDocumentPersistence() throws Throwable {
+        doAllowEmptyDocumentPersistenceTest(false);
+    }
+
     static class ViewPair {
         private final AwTestContainerView mContainer0;
         private final TestAwContentsClient mClient0;
         private final AwTestContainerView mContainer1;
         private final TestAwContentsClient mClient1;
 
         ViewPair(AwTestContainerView container0, TestAwContentsClient client0,
                  AwTestContainerView container1, TestAwContentsClient client1) {
             this.mContainer0 = container0;
             this.mClient0 = client0;
@@ skipping 128 matching lines @@
         final AwContents awContents = webView.getAwContents();
         runTestOnUiThread(new Runnable() {
             @Override
             public void run() {
                 awContents.getContentViewCore().sendDoubleTapForTest(
                         SystemClock.uptimeMillis(), x, y);
             }
         });
     }
 }