err_if 127 tests/utils.c err_if(fwrite(lum_tab, 1, w * h, f) != w * h); err_if 135 tests/utils.c err_if(fwrite(cb, 1, w2, f) != w2); err_if 136 tests/utils.c err_if(fwrite(cr, 1, w2, f) != w2); err_if 143 tests/utils.c err_if(fwrite(cb, 1, w2, f) != w2); err_if 147 tests/utils.c err_if(fwrite(cr, 1, w2, f) != w2);