black.tif            :  320 x  240, 3 channel, uint8 tiff
    Stats Min: 0 0 0 (of 255)
    Stats Max: 0 0 0 (of 255)
    Stats Avg: 0.00 0.00 0.00 (of 255)
    Stats StdDev: 0.00 0.00 0.00 (of 255)
    Stats NanCount: 0 0 0 
    Stats InfCount: 0 0 0 
    Stats FiniteCount: 76800 76800 76800 
    Constant: Yes
    Constant Color: 0.00 0.00 0.00 (of 255)
    Monochrome: Yes
constant.tif         :  320 x  240, 4 channel, float tiff
    Stats Min: 0.100000 0.200000 0.300000 1.000000 (float)
    Stats Max: 0.100000 0.200000 0.300000 1.000000 (float)
    Stats Avg: 0.100000 0.200000 0.300000 1.000000 (float)
    Stats StdDev: 0.000020 0.000040 0.000000 0.000000 (float)
    Stats NanCount: 0 0 0 0 
    Stats InfCount: 0 0 0 0 
    Stats FiniteCount: 76800 76800 76800 76800 
    Constant: Yes
    Constant Color: 0.100000 0.200000 0.300000 1.000000 (float)
    Monochrome: No
Comparing "pattern-const.tif" and "ref/pattern-const.tif"
PASS
Comparing "pattern-gradienth.tif" and "ref/pattern-gradienth.tif"
PASS
Comparing "pattern-gradientv.tif" and "ref/pattern-gradientv.tif"
PASS
Comparing "pattern-gradient4.tif" and "ref/pattern-gradient4.tif"
PASS
Comparing "noise-uniform3.tif" and "ref/noise-uniform3.tif"
PASS
Comparing "noise-gauss.tif" and "ref/noise-gauss.tif"
PASS
Comparing "noise-salt.tif" and "ref/noise-salt.tif"
PASS
Comparing "filled.tif" and "ref/filled.tif"
PASS
Comparing "fillh.tif" and "ref/fillh.tif"
PASS
Comparing "fillv.tif" and "ref/fillv.tif"
PASS
Comparing "fill4.tif" and "ref/fill4.tif"
PASS
Comparing "lines.tif" and "ref/lines.tif"
PASS
Comparing "box.tif" and "ref/box.tif"
PASS