/*
 * 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.ConnectException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.nio.ByteBuffer;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.Selector;
import java.nio.channels.SelectionKey;
import java.nio.channels.SocketChannel;
import tests.io.MockOs;
import static libcore.io.OsConstants.*;

public class SocketChannelTest extends junit.framework.TestCase {
  private final MockOs mockOs = new MockOs();

  @Override public void setUp() throws Exception {
    mockOs.install();
  }

  @Override protected void tearDown() throws Exception {
    mockOs.uninstall();
  }

  public void test_read_intoReadOnlyByteArrays() throws Exception {
    ByteBuffer readOnly = ByteBuffer.allocate(1).asReadOnlyBuffer();
    ServerSocket ss = new ServerSocket(0);
    ss.setReuseAddress(true);
    SocketChannel sc = SocketChannel.open(ss.getLocalSocketAddress());
    try {
      sc.read(readOnly);
      fail();
    } catch (IllegalArgumentException expected) {
    }
    try {
      sc.read(new ByteBuffer[] { readOnly });
      fail();
    } catch (IllegalArgumentException expected) {
    }
    try {
      sc.read(new ByteBuffer[] { readOnly }, 0, 1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void test_56684() throws Exception {
    mockOs.enqueueFault("connect", ENETUNREACH);

    SocketChannel sc = SocketChannel.open();
    sc.configureBlocking(false);

    Selector selector = Selector.open();
    SelectionKey selectionKey = sc.register(selector, SelectionKey.OP_CONNECT);

    try {
      sc.connect(new InetSocketAddress(InetAddress.getByAddress(new byte[] { 0, 0, 0, 0 }), 0));
      fail();
    } catch (ConnectException ex) {
    }

    try {
      sc.finishConnect();
    } catch (ClosedChannelException expected) {
    }
  }
}