int main()

in tjunittest.c [1144:1219]
71 lines of code
27 McCabe index (conditional complexity)

int main(int argc, char *argv[])
{
  int i, bmp = 0, num4bf = 5;

#ifdef _WIN32
  srand((unsigned int)time(NULL));
#endif
  if (argc > 1) {
    for (i = 1; i < argc; i++) {
      if (!strcasecmp(argv[i], "-yuv")) doYUV = 1;
      else if (!strcasecmp(argv[i], "-noyuvpad")) yuvAlign = 1;
      else if (!strcasecmp(argv[i], "-lossless")) lossless = 1;
      else if (!strcasecmp(argv[i], "-alloc")) alloc = 1;
      else if (!strcasecmp(argv[i], "-bmp")) bmp = 1;
      else if (!strcasecmp(argv[i], "-precision") && i < argc - 1) {
        int tempi = atoi(argv[++i]);

        if (tempi != 8 && tempi != 12 && tempi != 16)
          usage(argv[0]);
        precision = tempi;
        if (precision == 16) lossless = 1;
      } else
        usage(argv[0]);
    }
  }
  if (lossless && doYUV)
    THROW("Lossless JPEG and YUV encoding/decoding are incompatible.");
  if (precision != 8 && doYUV)
    THROW("YUV encoding/decoding requires 8-bit data precision.");

  printf("Testing %d-bit precision\n", precision);
  sampleSize = (precision == 8 ? sizeof(unsigned char) : sizeof(short));
  maxSample = (1 << precision) - 1;
  tolerance = (lossless ? 0 : (precision > 8 ? 2 : 1));
  redToY = (19595U * maxSample) >> 16;
  yellowToY = (58065U * maxSample) >> 16;

  if (bmp) return bmpTest();
  if (alloc) printf("Testing automatic buffer allocation\n");
  if (doYUV) num4bf = 4;
  overflowTest();
  doTest(35, 39, _3sampleFormats, 2, TJSAMP_444, "test");
  doTest(39, 41, _4sampleFormats, num4bf, TJSAMP_444, "test");
  doTest(41, 35, _3sampleFormats, 2, TJSAMP_422, "test");
  if (!lossless) {
    doTest(35, 39, _4sampleFormats, num4bf, TJSAMP_422, "test");
    doTest(39, 41, _3sampleFormats, 2, TJSAMP_420, "test");
    doTest(41, 35, _4sampleFormats, num4bf, TJSAMP_420, "test");
    doTest(35, 39, _3sampleFormats, 2, TJSAMP_440, "test");
    doTest(39, 41, _4sampleFormats, num4bf, TJSAMP_440, "test");
    doTest(41, 35, _3sampleFormats, 2, TJSAMP_411, "test");
    doTest(35, 39, _4sampleFormats, num4bf, TJSAMP_411, "test");
    doTest(39, 41, _3sampleFormats, 2, TJSAMP_441, "test");
    doTest(41, 35, _4sampleFormats, num4bf, TJSAMP_441, "test");
  }
  doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test");
  if (!lossless) {
    doTest(41, 35, _3sampleFormats, 2, TJSAMP_GRAY, "test");
    doTest(35, 39, _4sampleFormats, 4, TJSAMP_GRAY, "test");
  }
  bufSizeTest();
  if (doYUV) {
    printf("\n--------------------\n\n");
    doTest(48, 48, _onlyRGB, 1, TJSAMP_444, "test_yuv0");
    doTest(48, 48, _onlyRGB, 1, TJSAMP_422, "test_yuv0");
    doTest(48, 48, _onlyRGB, 1, TJSAMP_420, "test_yuv0");
    doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
    doTest(48, 48, _onlyRGB, 1, TJSAMP_411, "test_yuv0");
    doTest(48, 48, _onlyRGB, 1, TJSAMP_441, "test_yuv0");
    doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
    doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
  }

  bailout:
  return exitStatus;
}