// Unit tests for UnsharpMaskEffect.
+#include <GL/glew.h>
#include <math.h>
-#include "test_util.h"
+#include "effect_chain.h"
#include "gtest/gtest.h"
+#include "image_format.h"
+#include "test_util.h"
#include "unsharp_mask_effect.h"
TEST(UnsharpMaskEffectTest, NoAmountDoesNothing) {