assertEquals(-1, in.read());
assertFalse(callbackCalled);
assertEquals(0, in.available());
assertEquals(-1, in.read(new byte[5]));
assertFalse(callbackCalled);
assertEquals(0, in.available());
assertEquals(-1, in.read(new byte[5], 0, 5));
assertFalse(callbackCalled);
assertEquals(0, in.available());
assertEquals(0, in.skip(1));
assertFalse(callbackCalled);