[babl] tests: added test to extract a component

[Ãyvind KolÃs <ok src gnome org>]

commit d84d19e5ee1a42a90ffc3b6e6aedc2314fb209f6
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Wed Apr 11 00:05:28 2012 +0200

    tests: added test to extract a component

 tests/Makefile.am |    1 +
 tests/extract.c   |   96 +++++++---------------------------------------------
 2 files changed, 14 insertions(+), 83 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index ba88a9c..469a819 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -9,6 +9,7 @@ TESTS =				\
 	srgb_to_lab_u8		\
 	sanity			\
 	babl_class_name		\
+	extract \
 	types			\
 	palette \
 	extract \
diff --git a/tests/extract.c b/tests/extract.c
index 6f6e927..038c667 100644
--- a/tests/extract.c
+++ b/tests/extract.c
@@ -41,104 +41,34 @@
       for (c = 0; c < sizeof(expected_pix[i])/sizeof(expected_pix[i][0]); c++) \
       if (result[c] != expected_pix[i][c])       \
         {       \
-          printf (" %s failed #%i[%i]   %i\n", test_name, i, c, result[c]);       \
+          printf (" %s failed #%i[%i]  got %i expected %i\n", test_name, i, c, result[c], expected_pix[i][c]);       \
           OK = 0;          \
         }       \
     }       \
   }
 
+#include <assert.h>
+
 int
 main (int    argc,
       char **argv)
 {
   int OK = 1;
   babl_init ();
-
   {
-    char in[][4]  = {{0,1,2,3},{4,5,6,7},{8,9,10,11}};
-    char out[][1] = {{      3},{      7},{       11}};
-
-    babl_format_new ("name", "A u8",
-         babl_model ("YA"), babl_type ("u8"),
-          babl_component ("A"), NULL);
-
-    CHECK_CONV("extract alpha", char,
-        babl_format("RGBA u8"), babl_format("A u8"),
+    unsigned char in[][4]   = {{0,1,2,3  },{4,5,6,7    },{8,9,10,11  }};
+    unsigned char out[][1]  = {    {2    },    {6}      ,    {10}     };
+
+    CHECK_CONV("extract B'", unsigned char,
+        babl_format("R'G'B'A u8"),
+        babl_format_new ("name", "B' u8",
+                          babl_model ("R'G'B'A"),
+                          babl_type ("u8"),
+                          babl_component ("B'"),
+                          NULL),
         in, out);
   }
 
-  {
-    char in[][4]  = {{0,1,2,3},{4,5,6,7},{8,9,10,11}};
-    char out[][1] = {{  1    },{  5    },{  9      }};
-
-    babl_format_new ("name", "G u8",
-         babl_model ("RGBA"), babl_type ("u8"),
-          babl_component ("G"), NULL);
-
-    CHECK_CONV("extract green", char,
-         babl_format("RGBA u8"), babl_format("G u8"),
-         in, out);
-  }
-
-
-  {
-    char in[][4]  = {{0,1,2,3},{4,5,6,7},{8,9,10,11}};
-    char out[][2] = {{  2,1  },{  6,5  },{  10,9   }};
-
-    babl_format_new ("name", "BG u8",
-         babl_model ("RGBA"), babl_type ("u8"),
-          babl_component ("B"),
-          babl_component ("G"), NULL);
-
-    CHECK_CONV("extract green", char,
-         babl_format("RGBA u8"), babl_format("BG u8"),
-         in, out);
-  }
-
-
-
-  {
-    float in[][4]  = {{0,1,2,3/255.0},{4,5,6,277/255.0},{8,9,10,101/255.0}};
-    char out[][1] = {{       3},      {      255},{             101}};
-
-    CHECK_CONV("extract alpha from float", char,
-         babl_format("RGBA float"), babl_format("A u8"),
-         in, out);
-  }
-
-  {
-    char in[][4]   = {{1,2,3,4},{4,5,6,7},{8,9,10,11}};
-    char out[][4]  = {{4,3,2,1},{7,6,5,4},{11,10,9,8}};
-
-    babl_format_new ("name", "abgr",
-         babl_model ("RGBA"), babl_type ("u8"),
-          babl_component ("A"),
-          babl_component ("B"),
-          babl_component ("G"),
-          babl_component ("R"),
-          NULL);
-
-    CHECK_CONV("bgra", char,
-         babl_format("RGBA u8"), babl_format("abgr"),
-         in, out);
-  }
-
-  {
-    char in[][4]   = {{1,2,3,4},{4,5,6,7},{8,9,10,11}};
-    //char out[][4]= {{3,0,0,4},{6,0,0,7},{10,0,0,11}};
-    char out[][4]  = {{3,3,3,4},{6,6,6,7},{10,10,10,11}};
-
-    CHECK_CONV("bPADa", char,
-         babl_format("RGBA u8"),
-         babl_format_new (babl_model ("RGBA"), babl_type ("u8"),
-               babl_component ("B"),
-               babl_component ("PAD"),
-               babl_component ("PAD"),
-               babl_component ("A"),
-               NULL),
-         in, out);
-  }
-
   babl_exit ();
   return !OK;
 }