NonLeakyTestSuite.java
/*
* Copyright (C) 2014 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 androidx.test.internal.runner.junit3;
import junit.framework.Test;
import junit.framework.TestResult;
import junit.framework.TestSuite;
import org.junit.Ignore;
import org.junit.runner.Describable;
import org.junit.runner.Description;
/**
* A {@link TestSuite} that discards references to included tests when execution is complete. Done
* so tests can be garbage collected and memory freed.
*/
@Ignore
public class NonLeakyTestSuite extends TestSuite {
public NonLeakyTestSuite(Class<?> testClass) {
super(testClass);
}
@Override
public void addTest(Test test) {
super.addTest(new NonLeakyTest(test));
}
private static class NonLeakyTest implements Test, Describable {
private Test delegate;
private final Description desc;
NonLeakyTest(Test delegate) {
this.delegate = delegate;
// cache description so it's available after execution
this.desc = JUnit38ClassRunner.makeDescription(this.delegate);
}
@Override
public int countTestCases() {
if (delegate != null) {
return delegate.countTestCases();
} else {
return 0;
}
}
@Override
public void run(TestResult result) {
delegate.run(result);
delegate = null;
}
@Override
public Description getDescription() {
return desc;
}
@Override
public String toString() {
if (delegate != null) {
return delegate.toString();
} else {
return desc.toString();
}
}
}
}