/* 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.nio.tests.java.nio.channels;
import java.io.IOException;
import java.net.NetPermission;
import java.nio.channels.Pipe;
import java.nio.channels.Pipe.SinkChannel;
import java.nio.channels.Pipe.SourceChannel;
import java.security.Permission;
import junit.framework.TestCase;
/*
* Tests for Pipe and its default implementation
*/
public class PipeTest extends TestCase {
/**
* @tests java.nio.channels.Pipe#open()
*/
public void test_open() throws IOException{
Pipe pipe = Pipe.open();
assertNotNull(pipe);
}
/**
* @tests java.nio.channels.Pipe#open()
*/
public void test_open_securityManager() throws IOException {
SecurityManager old = System.getSecurityManager();
SecurityManager sm = new MockSM();
try {
System.setSecurityManager(sm);
Pipe pipe = Pipe.open();
assertNotNull(pipe);
} finally {
System.setSecurityManager(old);
}
}
/**
* @tests java.nio.channels.Pipe#sink()
*/
public void test_sink() throws IOException {
Pipe pipe = Pipe.open();
SinkChannel sink = pipe.sink();
assertTrue(sink.isBlocking());
}
/**
* @tests java.nio.channels.Pipe#source()
*/
public void test_source() throws IOException {
Pipe pipe = Pipe.open();
SourceChannel source = pipe.source();
assertTrue(source.isBlocking());
}
}
class MockSM extends SecurityManager {
public void checkPermission(Permission permission) {
if (permission instanceof NetPermission) {
throw new SecurityException();
}
if (permission instanceof RuntimePermission) {
if ("setSecurityManager".equals(permission.getName())) {
return;
}
}
}
}