[babl] tests: fix bit-rot in palette tests

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 69895be2b15e149525bd4ee3891de3dbc16d39c5
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Dec 6 10:29:01 2018 +0100

    tests: fix bit-rot in palette tests
    
    Update to use R'G'B' u8 formats, which is what is now used internally
    as well well, along with updating to use the current way of creating
    formats with/without transparency.

 tests/palette.c | 42 ++++++++++++++++++------------------------
 1 file changed, 18 insertions(+), 24 deletions(-)
---
diff --git a/tests/palette.c b/tests/palette.c
index abf4756..4a204e1 100644
--- a/tests/palette.c
+++ b/tests/palette.c
@@ -43,45 +43,37 @@ main (int    argc,
         palA, babl_format("R'G'B'A u8"),
         in, out);
   }
-  if(0){
+  {
     unsigned char in[][2]   = {{    0,255},{      1,255},{      2,255},{15,200}};
-    unsigned char out[][4]  = {{0,0,0,255},{127,0,0,255},{0,127,0,255},{255,255,255,255}};
-    const Babl *palA;// = babl_new_palette (NULL, 0);
-    //Babl *palB = babl_new_palette (NULL, 0);
-    //
+    unsigned char out[][4]  = {{0,0,0,255},{127,0,0,255},{0,127,0,255},{255,255,255,200}};
+    const Babl *palA;
     babl_new_palette (NULL, NULL, &palA);
     assert (palA);
 
-    CHECK_CONV("pal to rgba", unsigned char,
-        palA, babl_format("RGBA u8"),
-        in, out);
-
-#if 0
-    CHECK_CONV("pal to rgba", unsigned char,
-        palB, babl_format("RGBA u8"),
-        in, out);
-
-    CHECK_CONV("pal to rgba", unsigned char,
-        palA, babl_format("RGBA u8"),
+    CHECK_CONV("palA to rgba", unsigned char,
+        palA, babl_format("R'G'B'A u8"),
         in, out);
-#endif
   }
-#if 0
+#if 1
   {
     unsigned char in[][4]  = {{0,0,0,255},{140,0,0,255},{0,127,0,255}};
     unsigned char out[][1] = {{        0},{          1},{          2}};
+    const Babl *palA;
+    babl_new_palette ("palC", &palA, NULL);
 
     CHECK_CONV("rgba to pal", unsigned char,
-         babl_format("RGBA u8"), babl_new_palette ("palC", 0),
+         babl_format("R'G'B'A u8"), palA,
          in, out);
   }
 
   {
     unsigned char in[][4]  = {{0,0,0,255},{140,0,0,255},{0,127,0,127}};
     unsigned char out[][2] = {{    0,255},{      1,255},{      2,127}};
+    const Babl *pal;
+    babl_new_palette ("palC", NULL, &pal);
 
     CHECK_CONV("rgba to pal+alpha", unsigned char,
-         babl_format("RGBA u8"), babl_new_palette ("palD", 1),
+         babl_format("R'G'B'A u8"), pal,
          in, out);
   }
 
@@ -96,7 +88,8 @@ main (int    argc,
     unsigned char in[][2]   = {{          0,255},{0,127},{       1,255},{         2,255}};
     unsigned char out[][4]  = {{128,128,128,255},{128,128,128,127},{59,59,59,107},{255,255,255,51}};
 
-    Babl *pal = babl_new_palette (NULL, 1);
+    const Babl *pal;
+    babl_new_palette (NULL, NULL, &pal);
 
     babl_palette_set_palette (pal, babl_format ("YA float"), palette, 3);
 
@@ -105,7 +98,6 @@ main (int    argc,
          in, out);
   }
 
-
   /* check with a custom floating point palette, _and_ alpha component  */
   {
     float palette[] = {
@@ -117,7 +109,8 @@ main (int    argc,
     unsigned char in[][2]   = {{          0,255},{0,127},{       1,255},{         2,255}};
     unsigned char out[][4]  = {{128,128,128,255},{128,128,128,127},{59,59,59,107},{255,255,255,51}};
 
-    Babl *pal = babl_new_palette (NULL, 1);
+    const Babl *pal;
+    babl_new_palette (NULL, NULL, &pal);
 
     babl_palette_set_palette (pal, babl_format ("YA float"), palette, 3);
 
@@ -137,7 +130,8 @@ main (int    argc,
     unsigned char in[][1]   = {{              0},{          1},{          2}};
     unsigned char out[][4]  = {{128,128,128,255},{59,59,59,107},{255,255,255,51}};
 
-    Babl *pal = babl_new_palette (NULL, 0);
+    const Babl *pal;
+    babl_new_palette (NULL, &pal, NULL);
 
     babl_palette_set_palette (pal, babl_format ("YA float"), palette, 3);