1 files changed, 97 insertions, 0 deletions
diff --git a/test/src/TestBitmap.c b/test/src/TestBitmap.c
new file mode 100644
index 0000000..349a157
--- /dev/null
+++ b/test/src/TestBitmap.c
@@ -0,0 +1,97 @@
+#include <BH/Bitmap.h>
+#include <BH/Color.h>
+#include <BH/IO.h>
+#include <BH/Unit.h>
+
+
+BH_UNIT_TEST(RoundTrip)
+{
+    size_t i, flag, format;
+
+    uint16_t data[][4] =
+    {
+        {0,     0,     0,     65535},
+        {0,     0,     65535, 65535},
+        {0,     65535, 0,     65535},
+        {65535, 0,     0,     65535},
+        {0,     65535, 65535, 65535},
+        {65535, 0,     65535, 65535},
+        {65535, 65535, 0,     65535},
+        {65535, 65535, 65535, 65535},
+        {0,     0,     0,     0},
+        {0,     0,     65535, 0},
+        {0,     65535, 0,     0},
+        {65535, 0,     0,     0},
+        {0,     65535, 65535, 0},
+        {65535, 0,     65535, 0},
+        {65535, 65535, 0,     0},
+        {65535, 65535, 65535, 0},
+    };
+
+    uint16_t flags[] =
+    {
+        0,
+        BH_BITMAP_BGR,
+    };
+
+    uint16_t formats[] =
+    {
+        BH_BITMAP_RGBA32,
+        BH_BITMAP_RGBA64,
+        BH_BITMAP_RGB888,
+        BH_BITMAP_RGBA8888,
+        BH_BITMAP_RGB161616,
+        BH_BITMAP_RGBA16161616,
+        BH_BITMAP_RGB565,
+        BH_BITMAP_RGBA1010102,
+        BH_BITMAP_RGBA8888 | BH_BITMAP_NOALPHA,
+        BH_BITMAP_RGBA16161616 | BH_BITMAP_NOALPHA,
+        BH_BITMAP_RGBA1010102 | BH_BITMAP_NOALPHA,
+    };
+
+    for (flag = 0; flag < sizeof(flags) / sizeof(uint16_t); ++flag)
+    {
+        for (format = 0; format < sizeof(formats) / sizeof(uint16_t); ++format)
+        {
+            for (i = 0; i < 16; ++i)
+            {
+                BH_Color source, destination;
+                uint64_t temp;
+
+                BH_ColorSetRGBA16(&source, data[i][0], data[i][1], data[i][2],
+                                           data[i][3]);
+                BH_BitmapConvertRow(&source.data, BH_BITMAP_RGBA16161616, NULL,
+                                    &temp, formats[format] | flags[flag], NULL,
+                                    1);
+                BH_BitmapConvertRow(&temp, formats[format] | flags[flag], NULL,
+                                    &destination.data, BH_BITMAP_RGBA16161616,
+                                    NULL, 1);
+
+                BH_VERIFY(source.data.rgba.r == destination.data.rgba.r);
+                BH_VERIFY(source.data.rgba.g == destination.data.rgba.g);
+                BH_VERIFY(source.data.rgba.b == destination.data.rgba.b);
+
+                if (formats[format] == BH_BITMAP_RGB888 ||
+                    formats[format] == BH_BITMAP_RGB161616 ||
+                    formats[format] == BH_BITMAP_RGB565 ||
+                    (formats[format] | flags[flag]) & BH_BITMAP_NOALPHA)
+                    BH_VERIFY(destination.data.rgba.a == 65535);
+                else
+                    BH_VERIFY(source.data.rgba.a == destination.data.rgba.a);
+            }
+        }
+    }
+
+    return 0;
+}
+
+
+int main(int argc, char **argv)
+{
+    BH_UNUSED(argc);
+    BH_UNUSED(argv);
+
+    BH_UNIT_ADD(RoundTrip);
+
+    return BH_UnitRun();
+}