# Default target:
all: $(TESTS) demo
-# Google Test.
-GTEST_OBJS = gtest-all.o gtest_sdl_main.o
+# Google Test and other test library functions.
+TEST_OBJS = gtest-all.o gtest_sdl_main.o test_util.o
gtest-all.o: $(GTEST_DIR)/src/gtest-all.cc
$(CXX) -MMD $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c $< -o $@
$(CXX) -MMD $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) -c $< -o $@
# Unit tests.
-effect_chain_test: effect_chain_test.o $(GTEST_OBJS) libmovit.a
- $(CXX) -o $@ effect_chain_test.o $(GTEST_OBJS) libmovit.a $(LDFLAGS)
+effect_chain_test: effect_chain_test.o $(TEST_OBJS) libmovit.a
+ $(CXX) -o $@ effect_chain_test.o $(TEST_OBJS) libmovit.a $(LDFLAGS)
OBJS=$(DEMO_OBJS) $(LIB_OBJS) $(GDEMO_OBJS)
#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[] = {
--- /dev/null
+#include "test_util.h"
+#include "flat_input.h"
+#include "gtest/gtest.h"
+
+#include <stdio.h>
+#include <math.h>
+
+#include <algorithm>
+
+EffectChainTester::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);
+}
+
+void EffectChainTester::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]);
+ }
+ }
+}
+
+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");
+ }
+ }
+}
--- /dev/null
+#ifndef _TEST_UTIL_H
+#define _TEST_UTIL_H 1
+
+#include "effect_chain.h"
+
+class EffectChainTester {
+public:
+ EffectChainTester(const float *data, unsigned width, unsigned height, ColorSpace color_space, GammaCurve gamma_curve);
+ EffectChain *get_chain() { return &chain; }
+ void run(float *out_data, ColorSpace color_space, GammaCurve gamma_curve);
+
+private:
+ EffectChain chain;
+ unsigned width, height;
+};
+
+void expect_equal(const float *ref, const float *result, unsigned width, unsigned height);
+
+#endif // !defined(_TEST_UTIL_H)