public static void main()

in java/TJUnitTest.java [1014:1112]
96 lines of code
44 McCabe index (conditional complexity)

  public static void main(String[] argv) {
    try {
      String testName = "javatest";
      for (int i = 0; i < argv.length; i++) {
        if (argv[i].equalsIgnoreCase("-yuv"))
          doYUV = true;
        else if (argv[i].equalsIgnoreCase("-noyuvpad"))
          yuvAlign = 1;
        else if (argv[i].equalsIgnoreCase("-lossless"))
          lossless = true;
        else if (argv[i].equalsIgnoreCase("-bi")) {
          bi = true;
          testName = "javabitest";
        } else if (argv[i].equalsIgnoreCase("-precision") &&
                   i < argv.length - 1) {
          int tempi = -1;

          try {
            tempi = Integer.parseInt(argv[++i]);
          } catch (NumberFormatException e) {}
          if (tempi != 8 && tempi != 12 && tempi != 16)
            usage();
          precision = tempi;
          if (precision == 16)
            lossless = true;
        } else
          usage();
      }
      if (lossless && doYUV)
        throw new Exception("Lossless JPEG and YUV encoding/decoding are incompatible.");
      if (precision != 8 && doYUV)
        throw new Exception("YUV encoding/decoding requires 8-bit data precision.");
      if (precision != 8 && bi)
        throw new Exception("BufferedImage support requires 8-bit data precision.");

      System.out.format("Testing %d-bit precision\n", precision);
      sampleSize = (precision == 8 ? 1 : 2);
      maxSample = (1 << precision) - 1;
      tolerance = (lossless ? 0 : (precision > 8 ? 2 : 1));
      redToY = (19595 * maxSample) >> 16;
      yellowToY = (58065 * maxSample) >> 16;

      if (doYUV)
        FORMATS_4SAMPLE[4] = -1;
      overflowTest();
      doTest(35, 39, bi ? FORMATS_3BYTEBI : FORMATS_3SAMPLE, TJ.SAMP_444,
             testName);
      doTest(39, 41, bi ? FORMATS_4BYTEBI : FORMATS_4SAMPLE, TJ.SAMP_444,
             testName);
      doTest(41, 35, bi ? FORMATS_3BYTEBI : FORMATS_3SAMPLE, TJ.SAMP_422,
             testName);
      if (!lossless) {
        doTest(35, 39, bi ? FORMATS_4BYTEBI : FORMATS_4SAMPLE, TJ.SAMP_422,
               testName);
        doTest(39, 41, bi ? FORMATS_3BYTEBI : FORMATS_3SAMPLE, TJ.SAMP_420,
               testName);
        doTest(41, 35, bi ? FORMATS_4BYTEBI : FORMATS_4SAMPLE, TJ.SAMP_420,
               testName);
        doTest(35, 39, bi ? FORMATS_3BYTEBI : FORMATS_3SAMPLE, TJ.SAMP_440,
               testName);
        doTest(39, 41, bi ? FORMATS_4BYTEBI : FORMATS_4SAMPLE, TJ.SAMP_440,
               testName);
        doTest(41, 35, bi ? FORMATS_3BYTEBI : FORMATS_3SAMPLE, TJ.SAMP_411,
               testName);
        doTest(35, 39, bi ? FORMATS_4BYTEBI : FORMATS_4SAMPLE, TJ.SAMP_411,
               testName);
        doTest(39, 41, bi ? FORMATS_3BYTEBI : FORMATS_3SAMPLE, TJ.SAMP_441,
               testName);
        doTest(41, 35, bi ? FORMATS_4BYTEBI : FORMATS_4SAMPLE, TJ.SAMP_441,
               testName);
      }
      doTest(39, 41, bi ? FORMATS_GRAYBI : FORMATS_GRAY, TJ.SAMP_GRAY,
             testName);
      if (!lossless) {
        doTest(41, 35, bi ? FORMATS_3BYTEBI : FORMATS_3SAMPLE, TJ.SAMP_GRAY,
               testName);
        FORMATS_4SAMPLE[4] = -1;
        doTest(35, 39, bi ? FORMATS_4BYTEBI : FORMATS_4SAMPLE, TJ.SAMP_GRAY,
               testName);
      }
      if (!bi)
        bufSizeTest();
      if (doYUV && !bi) {
        System.out.print("\n--------------------\n\n");
        doTest(48, 48, FORMATS_RGB, TJ.SAMP_444, "javatest_yuv0");
        doTest(48, 48, FORMATS_RGB, TJ.SAMP_422, "javatest_yuv0");
        doTest(48, 48, FORMATS_RGB, TJ.SAMP_420, "javatest_yuv0");
        doTest(48, 48, FORMATS_RGB, TJ.SAMP_440, "javatest_yuv0");
        doTest(48, 48, FORMATS_RGB, TJ.SAMP_411, "javatest_yuv0");
        doTest(48, 48, FORMATS_RGB, TJ.SAMP_441, "javatest_yuv0");
        doTest(48, 48, FORMATS_RGB, TJ.SAMP_GRAY, "javatest_yuv0");
        doTest(48, 48, FORMATS_GRAY, TJ.SAMP_GRAY, "javatest_yuv0");
      }
    } catch (Exception e) {
      e.printStackTrace();
      exitStatus = -1;
    }
    System.exit(exitStatus);
  }