Split test utilities out into its own file.

[movit] / effect_chain_test.cpp

diff --git a/effect_chain_test.cpp b/effect_chain_test.cpp
index a85fb365798fc945c77e7c856605e5bb333c7583..e5ca1cc1f28423c2ae8e8779695fdd3508c269e6 100644 (file)
--- a/effect_chain_test.cpp
+++ b/effect_chain_test.cpp
@@ -4,99 +4,10 @@
 
 #include "effect_chain.h"
 #include "flat_input.h"
+#include "gtest/gtest.h"
 #include "mirror_effect.h"
 #include "opengl.h"
-#include "gtest/gtest.h"
-
-#include <stdio.h>
-#include <math.h>
-
-#include <algorithm>
-
-class EffectChainTester {
-public:
-       EffectChainTester(const float *data, unsigned width, unsigned height, ColorSpace color_space, GammaCurve gamma_curve)
-               : chain(width, height), width(width), height(height)
-       {
-               ImageFormat format;
-               format.color_space = color_space;
-               format.gamma_curve = gamma_curve;
-       
-               FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height);
-               input->set_pixel_data(data);
-               chain.add_input(input);
-       }
-
-       EffectChain *get_chain() { return &chain; }
-
-       void run(float *out_data, ColorSpace color_space, GammaCurve gamma_curve)
-       {
-               ImageFormat format;
-               format.color_space = color_space;
-               format.gamma_curve = gamma_curve;
-               chain.add_output(format);
-               chain.finalize();
-
-               glViewport(0, 0, width, height);
-               chain.render_to_screen();
-
-               glReadPixels(0, 0, width, height, GL_RED, GL_FLOAT, out_data);
-
-               // Flip upside-down to compensate for different origin.
-               for (unsigned y = 0; y < height / 2; ++y) {
-                       unsigned flip_y = height - y - 1;
-                       for (unsigned x = 0; x < width; ++x) {
-                               std::swap(out_data[y * width + x], out_data[flip_y * width + x]);
-                       }
-               }
-       }
-
-private:
-       EffectChain chain;
-       unsigned width, height;
-};
-
-void expect_equal(const float *ref, const float *result, unsigned width, unsigned height)
-{
-       float largest_difference = -1.0f;
-       float squared_difference = 0.0f;
-
-       for (unsigned y = 0; y < height; ++y) {
-               for (unsigned x = 0; x < width; ++x) {
-                       float diff = ref[y * width + x] - result[y * width + x];
-                       largest_difference = std::max(largest_difference, fabsf(diff));
-                       squared_difference += diff * diff;
-               }
-       }
-
-       const float largest_difference_limit = 1.5 / 255.0;
-       const float rms_limit = 0.5 / 255.0;
-
-       EXPECT_LT(largest_difference, largest_difference_limit);
-
-       float rms = sqrt(squared_difference) / (width * height);
-       EXPECT_LT(rms, rms_limit);
-
-       if (largest_difference >= largest_difference_limit || rms >= rms_limit) {
-               fprintf(stderr, "Dumping matrices for easier debugging, since at least one test failed.\n");
-
-               fprintf(stderr, "Reference:\n");
-               for (unsigned y = 0; y < height; ++y) {
-                       for (unsigned x = 0; x < width; ++x) {
-                               fprintf(stderr, "%7.4f ", ref[y * width + x]);
-                       }
-                       fprintf(stderr, "\n");
-               }
-
-               fprintf(stderr, "\nResult:\n");
-               for (unsigned y = 0; y < height; ++y) {
-                       for (unsigned x = 0; x < width; ++x) {
-                               fprintf(stderr, "%7.4f ", result[y * width + x]);
-                       }
-                       fprintf(stderr, "\n");
-               }
-       }
-}
+#include "test_util.h"
 
 TEST(EffectChainTest, EmptyChain) {
        float data[] = {