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/*
* Copyright (C) 2008 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 java.lang.reflect.Field;
/**
* This is common code used to support Activity test cases. For more useful classes, please see
* {@link android.test.ActivityUnitTestCase} and
* {@link android.test.ActivityInstrumentationTestCase}.
*/
public abstract class ActivityTestCase extends InstrumentationTestCase {
/**
* The activity that will be set up for use in each test method.
*/
private Activity mActivity;
/**
* @return Returns the activity under test.
*/
protected Activity getActivity() {
return mActivity;
}
/**
* Set the activity under test.
* @param testActivity The activity under test
*/
protected void setActivity(Activity testActivity) {
mActivity = testActivity;
}
/**
* This function is called by various TestCase implementations, at tearDown() time, in order
* to scrub out any class variables. This protects against memory leaks in the case where a
* test case creates a non-static inner class (thus referencing the test case) and gives it to
* someone else to hold onto.
*
* @param testCaseClass The class of the derived TestCase implementation.
*
* @throws IllegalAccessException
*/
protected void scrubClass(final Class<?> testCaseClass)
throws IllegalAccessException {
final Field[] fields = getClass().getDeclaredFields();
for (Field field : fields) {
final Class<?> fieldClass = field.getDeclaringClass();
if (testCaseClass.isAssignableFrom(fieldClass) && !field.getType().isPrimitive()) {
try {
field.setAccessible(true);
field.set(this, null);
} catch (Exception e) {
android.util.Log.d("TestCase", "Error: Could not nullify field!");
}
if (field.get(this) != null) {
android.util.Log.d("TestCase", "Error: Could not nullify field!");
}
}
}
}
}