X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=alpha_multiplication_effect_test.cpp;fp=alpha_multiplication_effect_test.cpp;h=eab4b25e737955aeeadcff94858177ac856ea417;hp=0000000000000000000000000000000000000000;hb=caa05550e868db406e4b54e69d60b5573f59cb60;hpb=96591ba1b5bffa57724fa90e13d1f2cdc810ccd5

diff --git a/alpha_multiplication_effect_test.cpp b/alpha_multiplication_effect_test.cpp
new file mode 100644
index 0000000..eab4b25
--- /dev/null
+++ b/alpha_multiplication_effect_test.cpp
@@ -0,0 +1,23 @@
+// Unit tests for AlphaMultiplicationEffect.
+
+#include "test_util.h"
+#include "gtest/gtest.h"
+
+TEST(AlphaMultiplicationEffectTest, SimpleTest) {
+	const int size = 3;
+	float data[4 * size] = {
+		1.0f, 0.2f, 0.2f, 0.0f,
+		0.2f, 1.0f, 0.2f, 0.5f,
+		0.2f, 0.2f, 1.0f, 1.0f,
+	};
+	float expected_data[4 * size] = {
+		0.0f, 0.0f, 0.0f, 0.0f,
+		0.1f, 0.5f, 0.1f, 0.5f,
+		0.2f, 0.2f, 1.0f, 1.0f,
+	};
+	float out_data[4 * size];
+	EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_PREMULTIPLIED);
+
+	expect_equal(expected_data, out_data, 4, size);
+}