diff --git a/tests/cts/net/src/android/net/cts/LocalSocketTest.java b/tests/cts/net/src/android/net/cts/LocalSocketTest.java index 8029eb4d67..6e61705b92 100644 --- a/tests/cts/net/src/android/net/cts/LocalSocketTest.java +++ b/tests/cts/net/src/android/net/cts/LocalSocketTest.java @@ -287,6 +287,42 @@ public class LocalSocketTest extends TestCase { } } + // http://b/34095140 + public void testLocalSocketCreatedFromFileDescriptor() throws Exception { + String address = ADDRESS_PREFIX + "_testLocalSocketCreatedFromFileDescriptor"; + + // Establish connection between a local client and server to get a valid client socket file + // descriptor. + try (LocalSocketPair socketPair = LocalSocketPair.createConnectedSocketPair(address)) { + // Extract the client FileDescriptor we can use. + FileDescriptor fileDescriptor = socketPair.clientSocket.getFileDescriptor(); + assertTrue(fileDescriptor.valid()); + + // Create the LocalSocket we want to test. + LocalSocket clientSocketCreatedFromFileDescriptor = + LocalSocket.createConnectedLocalSocket(fileDescriptor); + assertTrue(clientSocketCreatedFromFileDescriptor.isConnected()); + assertTrue(clientSocketCreatedFromFileDescriptor.isBound()); + + // Test the LocalSocket can be used for communication. + LocalSocket serverSocket = socketPair.serverSocket.accept(); + OutputStream clientOutputStream = + clientSocketCreatedFromFileDescriptor.getOutputStream(); + InputStream serverInputStream = serverSocket.getInputStream(); + + clientOutputStream.write(12); + assertEquals(12, serverInputStream.read()); + + // Closing clientSocketCreatedFromFileDescriptor does not close the file descriptor. + clientSocketCreatedFromFileDescriptor.close(); + assertTrue(fileDescriptor.valid()); + + // .. while closing the LocalSocket that owned the file descriptor does. + socketPair.clientSocket.close(); + assertFalse(fileDescriptor.valid()); + } + } + public void testFlush() throws Exception { String address = ADDRESS_PREFIX + "_testFlush";