static void doTest()

in tjunittest.c [593:649]
51 lines of code
18 McCabe index (conditional complexity)

static void doTest(int w, int h, const int *formats, int nformats, int subsamp,
                   char *basename)
{
  tjhandle chandle = NULL, dhandle = NULL;
  unsigned char *dstBuf = NULL;
  size_t size = 0;
  int pfi, pf, i;

  if (lossless && subsamp != TJSAMP_GRAY)
    subsamp = TJSAMP_444;

  if (!alloc)
    size = tj3JPEGBufSize(w, h, subsamp);
  if (size != 0)
    if ((dstBuf = (unsigned char *)tj3Alloc(size)) == NULL)
      THROW("Memory allocation failure.");

  if ((chandle = tj3Init(TJINIT_COMPRESS)) == NULL ||
      (dhandle = tj3Init(TJINIT_DECOMPRESS)) == NULL)
    THROW_TJ(NULL);

  TRY_TJ(chandle, tj3Set(chandle, TJPARAM_NOREALLOC, !alloc));
  if (lossless) {
    TRY_TJ(chandle, tj3Set(chandle, TJPARAM_LOSSLESS, lossless));
    TRY_TJ(chandle, tj3Set(chandle, TJPARAM_LOSSLESSPSV,
                           ((psv++ - 1) % 7) + 1));
  } else {
    TRY_TJ(chandle, tj3Set(chandle, TJPARAM_QUALITY, 100));
    if (subsamp == TJSAMP_422 || subsamp == TJSAMP_420 ||
        subsamp == TJSAMP_440 || subsamp == TJSAMP_411 ||
        subsamp == TJSAMP_441)
      TRY_TJ(dhandle, tj3Set(dhandle, TJPARAM_FASTUPSAMPLE, 1));
  }
  TRY_TJ(chandle, tj3Set(chandle, TJPARAM_SUBSAMP, subsamp));

  for (pfi = 0; pfi < nformats; pfi++) {
    for (i = 0; i < 2; i++) {
      TRY_TJ(chandle, tj3Set(chandle, TJPARAM_BOTTOMUP, i == 1));
      TRY_TJ(dhandle, tj3Set(dhandle, TJPARAM_BOTTOMUP, i == 1));
      pf = formats[pfi];
      compTest(chandle, &dstBuf, &size, w, h, pf, basename);
      decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp);
      if (pf >= TJPF_RGBX && pf <= TJPF_XRGB) {
        printf("\n");
        decompTest(dhandle, dstBuf, size, w, h, pf + (TJPF_RGBA - TJPF_RGBX),
                   basename, subsamp);
      }
      printf("\n");
    }
  }
  printf("--------------------\n\n");

bailout:
  tj3Destroy(chandle);
  tj3Destroy(dhandle);
  tj3Free(dstBuf);
}