writeTestFile("# This is a comment\n\na,b => c\n\n# Another comment\nd,e => f\n");

        PagingList<CharMappingItem> result = charMappingFile.selectList(0, 10);
        assertEquals(2, result.size());
    }

    // Test reload with invalid format
    public void test_reload_invalidFormat() throws Exception {
        writeTestFile("a,b => c\ninvalid_line\nd,e => f\n");

        // Should skip invalid line

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   *      77777$D======N77777777777N777N?         N777777
   *     I77777$$$N7===M$$77777777$77777777$MMZ77777777N
   *      $$$$$$$$$$$NIZN$$$$$$$$$M$$7777777777777777ON
   *       M$$$$$$$$M    M$$$$$$$$N=N$$$$7777777$$$ND
   *      O77Z$$$$$$$     M$$$$$$$$MNI==$DNNNNM=~N
   *   7 :N MNN$$$$M$      $$$777$8      8D8I
   *     NMM.:7O           777777778
   *                       7777777MN
   *                       M NO .7: