/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.harmony.luni.tests.java.io;
import java.io.IOException;
import java.io.Writer;
import junit.framework.TestCase;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
@TestTargetClass(Writer.class)
public class WriterTest extends TestCase {
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "Writer",
args = {}
)
public void test_Writer() {
MockWriter w = new MockWriter();
assertTrue("Test 1: Lock has not been set correctly.", w.lockSet(w));
}
@TestTargetNew(
level = TestLevel.COMPLETE,
method = "Writer",
args = {java.lang.Object.class}
)
public void test_WriterLjava_lang_Object() {
Object o = new Object();
MockWriter w;
try {
w = new MockWriter(null);
fail("Test 1: NullPointerException expected.");
} catch (NullPointerException e) {
// Expected.
}
w = new MockWriter(o);
assertTrue("Test 2: Lock has not been set correctly.", w.lockSet(o));
}
class MockWriter extends Writer {
final Object myLock;
MockWriter() {
super();
myLock = this;
}
MockWriter(Object lock) {
super(lock);
myLock = lock;
}
@Override
public synchronized void close() throws IOException {
// do nothing
}
@Override
public synchronized void flush() throws IOException {
// do nothing
}
@Override
public void write(char[] arg0, int arg1, int arg2) throws IOException {
assertTrue(Thread.holdsLock(myLock));
}
public boolean lockSet(Object o) {
return (lock == o);
}
}
}
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