// Unit tests for AlphaMultiplicationEffect.
-#include "test_util.h"
+#include <stddef.h>
+
+#include "effect_chain.h"
#include "flat_input.h"
-#include "padding_effect.h"
#include "gtest/gtest.h"
+#include "image_format.h"
+#include "padding_effect.h"
+#include "test_util.h"
+#include "util.h"
TEST(PaddingEffectTest, SimpleCenter) {
float data[2 * 2] = {