Examples with LocalServerSocket android.net.LocalServerSocket used on opensource projects

Example 26 with LocalServerSocket

use of android.net.LocalServerSocket in project android_frameworks_base by crdroidandroid.

the class LocalSocketTest method testBasic.

@SmallTest
public void testBasic() throws Exception {
    LocalServerSocket ss;
    LocalSocket ls;
    LocalSocket ls1;
    ss = new LocalServerSocket("android.net.LocalSocketTest");
    ls = new LocalSocket();
    ls.connect(new LocalSocketAddress("android.net.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 {
        ls.getOutputStream().write(42);
        fail("expected exception");
    } catch (IOException ex) {
    // Expected
    }
    try {
        ls.getInputStream().read();
        fail("expected exception");
    } catch (IOException ex) {
    // Expected
    }
    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();
}