in = new ByteCountingPushBackInputStream( new ByteArrayInputStream( srcArr ), 1 );
Assert.assertEquals( 1, in.skip( 10 ) );
Assert.assertEquals( 0, in.skip( 10 ) );
sr = new CharCountingStringReader( srcStr );
Assert.assertEquals( 1, sr.skip( 10 ) );
Assert.assertEquals( 0, sr.skip( 10 ) );
in = new DigestInputStreamNoSkip( new ByteArrayInputStream( srcArr ), md );
Assert.assertEquals( 1, in.skip( 10 ) );