@Test
public void testReceiveThrowsNullPointerException() throws Throwable {
BaseChannel x25Channel = new X25Channel();
try {
x25Channel.receive();
fail("Expected NullPointerException to be thrown");
} catch (NullPointerException ex) {
assertNull("ex.getMessage()", ex.getMessage());
assertNull("(X25Channel) x25Channel.packager", ((X25Channel) x25Channel).packager);
assertNull("(X25Channel) x25Channel.serverIn", ((X25Channel) x25Channel).serverIn);