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/*
* Copyright (C) 2010 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 libcore.java.nio.channels;
import java.net.DatagramSocket;
import java.nio.ByteBuffer;
import java.nio.channels.DatagramChannel;
public class DatagramChannelTest extends junit.framework.TestCase {
public void test_read_intoReadOnlyByteArrays() throws Exception {
ByteBuffer readOnly = ByteBuffer.allocate(1).asReadOnlyBuffer();
DatagramSocket ds = new DatagramSocket(0);
DatagramChannel dc = DatagramChannel.open();
dc.connect(ds.getLocalSocketAddress());
try {
dc.read(readOnly);
fail();
} catch (IllegalArgumentException expected) {
}
try {
dc.read(new ByteBuffer[] { readOnly });
fail();
} catch (IllegalArgumentException expected) {
}
try {
dc.read(new ByteBuffer[] { readOnly }, 0, 1);
fail();
} catch (IllegalArgumentException expected) {
}
}
// http://code.google.com/p/android/issues/detail?id=16579
public void testNonBlockingRecv() throws Exception {
DatagramChannel dc = DatagramChannel.open();
try {
dc.configureBlocking(false);
dc.socket().bind(null);
// Should return immediately, since we're non-blocking.
assertNull(dc.receive(ByteBuffer.allocate(2048)));
} finally {
dc.close();
}
}
}
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