assertEquals(c, TEST_DATA.charAt(0));
assertEquals("fp", ra.getFilePointer(), 1);
// start at pos 4
ra.seek(3);
c = ra.readByte();
assertEquals(c, TEST_DATA.charAt(3));
assertEquals("fp", ra.getFilePointer(), 4);
c = ra.readByte();
assertEquals(c, TEST_DATA.charAt(4));