// now read
ra.seek(0);
assertEquals(ra.readByte(), TEST_DATA.charAt(0));
ra.seek(3);
assertEquals(ra.readByte(), TEST_DATA.charAt(7));
assertEquals(ra.readByte(), TEST_DATA.charAt(8));
ra.seek(10);
assertEquals(ra.readByte(), TEST_DATA.charAt(10));
assertEquals(ra.readByte(), TEST_DATA.charAt(11));