/*

* Copyright 2009 Weaver authors

*

* This code is part of the Weaver tutorial and may be freely used.

*/

import com.google.testing.threadtester.AnnotatedTestRunner;

import com.google.testing.threadtester.MethodOption;

import com.google.testing.threadtester.ThreadedAfter;

import com.google.testing.threadtester.ThreadedBefore;

import com.google.testing.threadtester.ThreadedMain;

import com.google.testing.threadtester.ThreadedSecondary;

import java.util.HashSet;

import junit.framework.TestCase;

/**

* Unit test for UniqueList. Demonstrates use of

* {@link com.google.testing.threadtester.AnnotatedTestRunner}.

*

* NOTE: This test will fail. It was written to demonstrate a fault in the class

* under test.

*

* @author alasdair.mackintosh@gmail.com (Alasdair Mackintosh)

*/

public class UniqueListTest extends TestCase {

private static final String HELLO = "Hello";

private volatile UniqueList<String> uniqueList;

public void testPutIfAbsent() {

System.out.printf("In testPutIfAbsent\n");

// Create an AnnotatedTestRunner that will run the threaded tests defined in this

// class. We want to test the behaviour of the private method "putIfAbsentInternal" so

// we need to specify it by name using runner.setMethodOption()

AnnotatedTestRunner runner = new AnnotatedTestRunner();

HashSet<String> methods = new HashSet<String>();

runner.setMethodOption(MethodOption.ALL_METHODS, methods);

runner.setDebug(true);

runner.runTests(this.getClass(), UniqueList.class);

}

@ThreadedBefore

public void before() {

// Set up a new UniqueList instance for the test

uniqueList = new UniqueList<String>();

System.out.printf("Created new list\n");

}

@ThreadedMain

public void main() {

// Add a new element to the list in the main test thread

uniqueList.putIfAbsent(HELLO);

}

@ThreadedSecondary

public void secondary() {

// Add a new element to the list in the secondary test thread

uniqueList.putIfAbsent(HELLO);

}

@ThreadedAfter

public void after() {

// If UniqueList is behaving correctly, it should only contain

// a single copy of HELLO

assertEquals(1, uniqueList.size());

assertTrue(uniqueList.contains(HELLO));

}

}