1 files changed, 87 insertions, 0 deletions
diff --git a/test-runner/src/android/test/SingleLaunchActivityTestCase.java b/test-runner/src/android/test/SingleLaunchActivityTestCase.java
new file mode 100644
index 0000000..b63b3ce
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+++ b/test-runner/src/android/test/SingleLaunchActivityTestCase.java
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+/*
+ * 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;
+
+    /**
+     * <b>NOTE:</b> The parameter <i>pkg</i> must refer to the package identifier of the
+     * package hosting the activity to be launched, which is specified in the AndroidManifest.xml
+     * file.  This is not necessarily the same as the java package name.
+     *
+     * @param pkg The package hosting the activity to be launched.
+     * @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);
+    }
+}