auto import from //depot/cupcake/@135843
diff --git a/test-runner/android/test/SingleLaunchActivityTestCase.java b/test-runner/android/test/SingleLaunchActivityTestCase.java
new file mode 100644
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--- /dev/null
+++ b/test-runner/android/test/SingleLaunchActivityTestCase.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.test;
+
+import android.app.Activity;
+import android.view.IWindowManager;
+import android.os.ServiceManager;
+
+/**
+ * If you would like to test a single activity with an
+ * {@link android.test.InstrumentationTestCase}, this provides some of the boiler plate to
+ * launch and finish the activity in {@link #setUp} and {@link #tearDown}.
+ *
+ * This launches the activity only once for the entire class instead of doing it
+ * in every setup / teardown call.
+ */
+public abstract class SingleLaunchActivityTestCase<T extends Activity>
+ extends InstrumentationTestCase {
+
+ String mPackage;
+ Class<T> mActivityClass;
+ private static int sTestCaseCounter = 0;
+ private static boolean sActivityLaunchedFlag = false;
+
+ /**
+ * @param pkg The package of the instrumentation.
+ * @param activityClass The activity to test.
+ */
+ public SingleLaunchActivityTestCase(String pkg, Class<T> activityClass) {
+ mPackage = pkg;
+ mActivityClass = activityClass;
+ sTestCaseCounter ++;
+ }
+
+ /**
+ * The activity that will be set up for use in each test method.
+ */
+ private static Activity sActivity;
+
+ public T getActivity() {
+ return (T) sActivity;
+ }
+
+ @Override
+ protected void setUp() throws Exception {
+ super.setUp();
+ // If it is the first test case, launch the activity.
+ if (!sActivityLaunchedFlag) {
+ // by default, not in touch mode
+ getInstrumentation().setInTouchMode(false);
+ sActivity = launchActivity(mPackage, mActivityClass, null);
+ sActivityLaunchedFlag = true;
+ }
+ }
+
+ @Override
+ protected void tearDown() throws Exception {
+ // If it is the last test case, call finish on the activity.
+ sTestCaseCounter --;
+ if (sTestCaseCounter == 1) {
+ sActivity.finish();
+ }
+ super.tearDown();
+ }
+
+ public void testActivityTestCaseSetUpProperly() throws Exception {
+ assertNotNull("activity should be launched successfully", sActivity);
+ }
+}