TestCase * Grader07::grade(int index){
  switch(index){
  case 0:
    return testStringSearch("string_search_1.bin", "sequence_small.txt");
  case 1:
    return testStringSearch("string_search_2.bin", "sequence_large.txt");
  case 2:
    return testStringSort("string_sort_input_1.txt");
  case 3:
    return testStringSort("string_sort_input_2.txt");
  case 4:
    return testSpellCheck("spell_check_1.bin");
  case 5:
    return testSpellCheck("spell_check_2.bin");
  case 6:
    return testCompress("sequence_small.txt", "compress_output.bin");
  case 7:
    return testDecompress("compress_output.bin", "sequence_small.txt");
  case 8:
    return testCompress("sequence_medium.txt", "compress_output.bin");
  case 9:
    return testDecompress("compress_output.bin", "sequence_medium.txt");
  default:
    return NULL;
  }
}
/***********************************************************************************************************************************
Test Run
***********************************************************************************************************************************/
void
testRun(void)
{
    FUNCTION_HARNESS_VOID();

    // *****************************************************************************************************************************
    if (testBegin("gzipError"))
    {
        TEST_RESULT_INT(gzipError(Z_OK), Z_OK, "check ok");
        TEST_RESULT_INT(gzipError(Z_STREAM_END), Z_STREAM_END, "check stream end");
        TEST_ERROR(gzipError(Z_NEED_DICT), AssertError, "zlib threw error: [2] need dictionary");
        TEST_ERROR(gzipError(Z_ERRNO), AssertError, "zlib threw error: [-1] file error");
        TEST_ERROR(gzipError(Z_STREAM_ERROR), FormatError, "zlib threw error: [-2] stream error");
        TEST_ERROR(gzipError(Z_DATA_ERROR), FormatError, "zlib threw error: [-3] data error");
        TEST_ERROR(gzipError(Z_MEM_ERROR), MemoryError, "zlib threw error: [-4] insufficient memory");
        TEST_ERROR(gzipError(Z_BUF_ERROR), AssertError, "zlib threw error: [-5] no space in buffer");
        TEST_ERROR(gzipError(Z_VERSION_ERROR), FormatError, "zlib threw error: [-6] incompatible version");
        TEST_ERROR(gzipError(999), AssertError, "zlib threw error: [999] unknown error");
    }

    // *****************************************************************************************************************************
    if (testBegin("gzipWindowBits"))
    {

        TEST_RESULT_INT(gzipWindowBits(true), -15, "raw window bits");
        TEST_RESULT_INT(gzipWindowBits(false), 31, "gzip window bits");
    }

    // *****************************************************************************************************************************
    if (testBegin("GzipCompress and GzipDecompress"))
    {
        const char *simpleData = "A simple string";
        Buffer *compressed = NULL;
        Buffer *decompressed = bufNewC(simpleData, strlen(simpleData));

        TEST_ASSIGN(
            compressed, testCompress(gzipCompressNew(3, false), decompressed, 1024, 1024),
            "simple data - compress large in/large out buffer");

        TEST_RESULT_BOOL(
            bufEq(compressed, testCompress(gzipCompressNew(3, false), decompressed, 1024, 1)), true,
            "simple data - compress large in/small out buffer");

        TEST_RESULT_BOOL(
            bufEq(compressed, testCompress(gzipCompressNew(3, false), decompressed, 1, 1024)), true,
            "simple data - compress small in/large out buffer");

        TEST_RESULT_BOOL(
            bufEq(compressed, testCompress(gzipCompressNew(3, false), decompressed, 1, 1)), true,
            "simple data - compress small in/small out buffer");

        TEST_RESULT_BOOL(
            bufEq(decompressed, testDecompress(gzipDecompressNew(false), compressed, 1024, 1024)), true,
            "simple data - decompress large in/large out buffer");

        TEST_RESULT_BOOL(
            bufEq(decompressed, testDecompress(gzipDecompressNew(false), compressed, 1024, 1)), true,
            "simple data - decompress large in/small out buffer");

        TEST_RESULT_BOOL(
            bufEq(decompressed, testDecompress(gzipDecompressNew(false), compressed, 1, 1024)), true,
            "simple data - decompress small in/large out buffer");

        TEST_RESULT_BOOL(
            bufEq(decompressed, testDecompress(gzipDecompressNew(false), compressed, 1, 1)), true,
            "simple data - decompress small in/small out buffer");

        // Compress a large zero input buffer into small output buffer
        // -------------------------------------------------------------------------------------------------------------------------
        decompressed = bufNew(1024 * 1024 - 1);
        memset(bufPtr(decompressed), 0, bufSize(decompressed));
        bufUsedSet(decompressed, bufSize(decompressed));

        TEST_ASSIGN(
            compressed, testCompress(gzipCompressNew(3, true), decompressed, bufSize(decompressed), 1024),
            "zero data - compress large in/small out buffer");

        TEST_RESULT_BOOL(
            bufEq(decompressed, testDecompress(gzipDecompressNew(true), compressed, bufSize(compressed), 1024 * 256)), true,
            "zero data - decompress large in/small out buffer");
    }

    // *****************************************************************************************************************************
    if (testBegin("gzipDecompressToLog() and gzipCompressToLog()"))
    {
        GzipDecompress *decompress = (GzipDecompress *)ioFilterDriver(gzipDecompressNew(false));

        TEST_RESULT_STR(strPtr(gzipDecompressToLog(decompress)), "{inputSame: false, done: false, availIn: 0}", "format object");

        decompress->inputSame = true;
        decompress->done = true;
        TEST_RESULT_STR(strPtr(gzipDecompressToLog(decompress)), "{inputSame: true, done: true, availIn: 0}", "format object");
    }

    FUNCTION_HARNESS_RESULT_VOID();
}