X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=dither_effect_test.cpp;h=a604fac87bcad3f53cf371516df32c10ac29fb10;hp=210a2e721e999047357b212a177863005b9e1fbd;hb=8e9f58fec54a4c879035b214fd7411f6ff7b3a32;hpb=9e219b96e914b2e5709ba3c3345afdc3cf13a78d

diff --git a/dither_effect_test.cpp b/dither_effect_test.cpp
index 210a2e7..a604fac 100644
--- a/dither_effect_test.cpp
+++ b/dither_effect_test.cpp
@@ -1,4 +1,7 @@
 // Unit tests for DitherEffect.
+//
+// Note: Dithering of multiple outputs is tested (somewhat weakly)
+// in YCbCrConversionEffectTest.
 
 #include <epoxy/gl.h>
 #include <math.h>
@@ -7,6 +10,7 @@
 #include "gtest/gtest.h"
 #include "image_format.h"
 #include "test_util.h"
+#include "util.h"
 
 namespace movit {
 
@@ -28,8 +32,11 @@ TEST(DitherEffectTest, NoDitherOnExactValues) {
 	unsigned char out_data[size * size];
 
 	EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8);
+	check_error();
 	tester.get_chain()->set_dither_bits(8);
+	check_error();
 	tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+	check_error();
 
 	expect_equal(expected_data, out_data, size, size);
 }