### Question:
Versioned extends SVNState { public boolean isCheckedIn() { return true; } protected  Versioned(String state); RevisionControlOperation[] operations(); boolean isCheckedIn();  }### Answer:
@Test public void testIsCheckedIn() throws Exception { assertTrue("Files in Checked In State should be checked in", VERSIONED.isCheckedIn()); assertFalse("Files in Unknown State should not be checked in", SVNState.UNKNOWN.isCheckedIn()); assertTrue("Files in Deleted State should be checked in", SVNState.DELETED.isCheckedIn()); assertFalse("Files in Added State should not be checked in", SVNState.ADDED.isCheckedIn()); }