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/*
* Copyright (C) 2007 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 com.android.unit_tests;
import android.net.Credentials;
import android.net.LocalServerSocket;
import android.net.LocalSocket;
import android.net.LocalSocketAddress;
import android.test.MoreAsserts;
import android.test.suitebuilder.annotation.SmallTest;
import junit.framework.TestCase;
import java.io.FileDescriptor;
import java.io.IOException;
public class LocalSocketTest extends TestCase {
@SmallTest
public void testBasic() throws Exception {
LocalServerSocket ss;
LocalSocket ls;
LocalSocket ls1;
ss = new LocalServerSocket("com.android.unit_tests.LocalSocketTest");
ls = new LocalSocket();
ls.connect(new LocalSocketAddress("com.android.unit_tests.LocalSocketTest"));
ls1 = ss.accept();
// Test trivial read and write
ls.getOutputStream().write(42);
assertEquals(42, ls1.getInputStream().read());
// Test getting credentials
Credentials c = ls1.getPeerCredentials();
MoreAsserts.assertNotEqual(0, c.getPid());
// Test sending and receiving file descriptors
ls.setFileDescriptorsForSend(
new FileDescriptor[]{FileDescriptor.in});
ls.getOutputStream().write(42);
assertEquals(42, ls1.getInputStream().read());
FileDescriptor[] out = ls1.getAncillaryFileDescriptors();
assertEquals(1, out.length);
// Test multible byte write and available()
ls1.getOutputStream().write(new byte[]{0, 1, 2, 3, 4, 5}, 1, 5);
assertEquals(1, ls.getInputStream().read());
assertEquals(4, ls.getInputStream().available());
byte[] buffer = new byte[16];
int countRead;
countRead = ls.getInputStream().read(buffer, 1, 15);
assertEquals(4, countRead);
assertEquals(2, buffer[1]);
assertEquals(3, buffer[2]);
assertEquals(4, buffer[3]);
assertEquals(5, buffer[4]);
// Try various array-out-of-bound cases
try {
ls.getInputStream().read(buffer, 1, 16);
fail("expected exception");
} catch (ArrayIndexOutOfBoundsException ex) {
// excpected
}
try {
ls.getOutputStream().write(buffer, 1, 16);
fail("expected exception");
} catch (ArrayIndexOutOfBoundsException ex) {
// excpected
}
try {
ls.getOutputStream().write(buffer, -1, 15);
fail("expected exception");
} catch (ArrayIndexOutOfBoundsException ex) {
// excpected
}
try {
ls.getOutputStream().write(buffer, 0, -1);
fail("expected exception");
} catch (ArrayIndexOutOfBoundsException ex) {
// excpected
}
try {
ls.getInputStream().read(buffer, -1, 15);
fail("expected exception");
} catch (ArrayIndexOutOfBoundsException ex) {
// excpected
}
try {
ls.getInputStream().read(buffer, 0, -1);
fail("expected exception");
} catch (ArrayIndexOutOfBoundsException ex) {
// excpected
}
// Try read of length 0
ls.getOutputStream().write(42);
countRead = ls1.getInputStream().read(buffer, 0, 0);
assertEquals(0, countRead);
assertEquals(42, ls1.getInputStream().read());
ss.close();
ls.close();
// Try write on closed socket
try {
ls.getOutputStream().write(42);
fail("expected exception");
} catch (IOException ex) {
// Expected
}
// Try read on closed socket
try {
ls.getInputStream().read();
fail("expected exception");
} catch (IOException ex) {
// Expected
}
// Try write on socket whose peer has closed
try {
ls1.getOutputStream().write(42);
fail("expected exception");
} catch (IOException ex) {
// Expected
}
// Try read on socket whose peer has closed
assertEquals(-1, ls1.getInputStream().read());
ls1.close();
}
}
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