[cogl] Convert the test-atlas-migration test to a standalone Cogl test

[Neil Roberts <nroberts src gnome org>]

commit 32c5a3ed546effd2e2946f22f173a20cf36b2fdf
Author: Neil Roberts <neil linux intel com>
Date:   Wed May 16 12:57:32 2012 +0100

    Convert the test-atlas-migration test to a standalone Cogl test
    
    This updates test-atlas-migration from being a Clutter-based test to a
    Cogl-based test.
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 tests/conform/Makefile.am            |    2 +-
 tests/conform/test-atlas-migration.c |   41 ++++++++++++++++++++++-----------
 tests/conform/test-conform-main.c    |    2 +-
 3 files changed, 29 insertions(+), 16 deletions(-)
---
diff --git a/tests/conform/Makefile.am b/tests/conform/Makefile.am
index 8379fe6..6b330b7 100644
--- a/tests/conform/Makefile.am
+++ b/tests/conform/Makefile.am
@@ -22,13 +22,13 @@ unported_test_sources = \
 	test-texture-mipmaps.c \
 	test-texture-pixmap-x11.c \
 	test-texture-rectangle.c \
-	test-atlas-migration.c \
 	test-vertex-buffer-contiguous.c \
 	test-vertex-buffer-interleved.c \
 	test-vertex-buffer-mutability.c \
 	$(NULL)
 
 test_sources = \
+	test-atlas-migration.c \
 	test-bitmask.c \
 	test-blend-strings.c \
 	test-depth-test.c \
diff --git a/tests/conform/test-atlas-migration.c b/tests/conform/test-atlas-migration.c
index 56be060..55660a8 100644
--- a/tests/conform/test-atlas-migration.c
+++ b/tests/conform/test-atlas-migration.c
@@ -1,6 +1,6 @@
-#include <clutter/clutter.h>
+#include <cogl/cogl.h>
 
-#include "test-conform-common.h"
+#include "test-utils.h"
 
 #define N_TEXTURES 128
 
@@ -10,16 +10,21 @@
 #define COLOR_FOR_SIZE(size) \
   (colors + (size) % 3)
 
-static const ClutterColor colors[] =
+typedef struct
+{
+  uint8_t red, green, blue, alpha;
+} TestColor;
+
+static const TestColor colors[] =
   { { 0xff, 0x00, 0x00, 0xff },
     { 0x00, 0xff, 0x00, 0xff },
     { 0x00, 0x00, 0xff, 0xff } };
 
-static CoglHandle
+static CoglTexture *
 create_texture (int size)
 {
-  CoglHandle texture;
-  const ClutterColor *color;
+  CoglTexture *texture;
+  const TestColor *color;
   uint8_t *data, *p;
   int x, y;
 
@@ -65,11 +70,11 @@ create_texture (int size)
 }
 
 static void
-verify_texture (CoglHandle texture, int size)
+verify_texture (CoglTexture *texture, int size)
 {
   uint8_t *data, *p;
   int x, y;
-  const ClutterColor *color;
+  const TestColor *color;
 
   color = COLOR_FOR_SIZE (size);
 
@@ -86,9 +91,18 @@ verify_texture (CoglHandle texture, int size)
 
       for (x = 0; x < size; x++)
         {
-          g_assert_cmpint (p[0], ==, color->red * opacity / 255);
-          g_assert_cmpint (p[1], ==, color->green * opacity / 255);
-          g_assert_cmpint (p[2], ==, color->blue * opacity / 255);
+          TestColor real_color =
+            {
+              color->red * opacity / 255,
+              color->green * opacity / 255,
+              color->blue * opacity / 255
+            };
+
+          test_utils_compare_pixel (p,
+                                    (real_color.red << 24) |
+                                    (real_color.green << 16) |
+                                    (real_color.blue << 8) |
+                                    opacity);
           g_assert_cmpint (p[3], ==, opacity);
 
           p += 4;
@@ -99,10 +113,9 @@ verify_texture (CoglHandle texture, int size)
 }
 
 void
-test_atlas_migration (TestUtilsGTestFixture *fixture,
-                           void *data)
+test_atlas_migration (void)
 {
-  CoglHandle textures[N_TEXTURES];
+  CoglTexture *textures[N_TEXTURES];
   int i, tex_num;
 
   /* Create and destroy all of the textures a few times to increase
diff --git a/tests/conform/test-conform-main.c b/tests/conform/test-conform-main.c
index bb1c48c..08968c9 100644
--- a/tests/conform/test-conform-main.c
+++ b/tests/conform/test-conform-main.c
@@ -72,7 +72,7 @@ main (int argc, char **argv)
   ADD_TEST (test_wrap_modes, 0);
   UNPORTED_TEST (test_texture_pixmap_x11);
   UNPORTED_TEST (test_texture_get_set_data);
-  UNPORTED_TEST (test_atlas_migration);
+  ADD_TEST (test_atlas_migration, 0);
   ADD_TEST (test_read_texture_formats, 0);
   ADD_TEST (test_write_texture_formats, 0);