Batman

project/tests/CMakeLists.txt

@@ -0,0 +1,48 @@
+include(FetchContent)
+
+# add gtest
+FetchContent_Declare(
+  gtest
+  GIT_REPOSITORY https://github.com/google/googletest.git
+  GIT_TAG v1.14.0
+  GIT_SHALLOW TRUE
+  GIT_PROGRESS TRUE
+)
+set(BUILD_GMOCK OFF CACHE BOOL "" FORCE)
+set(BUILD_GTEST ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(gtest)
+
+
+# add source files
+set(SOURCES 
+    "../src/Matrix.cpp"
+    "../src/Renderer.cpp"
+    "../src/Scene.cpp"
+    "../src/Timer.cpp"
+    "../src/Vector3.cpp"
+    "../src/Vector4.cpp"
+)
+
+# add test source files
+set(TESTS
+    "UnitTests.cpp"
+)
+
+
+# include SDL because camera class needs it
+set(SDL_DIR "${CMAKE_SOURCE_DIR}/project/libs/SDL2-2.30.3")
+add_library(SDL STATIC IMPORTED)
+set_target_properties(SDL PROPERTIES
+    IMPORTED_LOCATION "${SDL_DIR}/lib/SDL2.lib"
+    INTERFACE_INCLUDE_DIRECTORIES "${SDL_DIR}/include"
+)
+
+
+add_executable(UnitTests ${SOURCES} ${TESTS})
+target_link_libraries(UnitTests gtest gtest_main SDL)
+
+# only needed if header files are not in same directory as source files
+# target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+
+# add unit tests for test runner to discover
+add_test(NAME UnitTests COMMAND UnitTests)

project/tests/UnitTests.cpp

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+#include <gtest/gtest.h>
+#include "../src/Vector3.h"
+#include "../src/Vector4.h"
+#include "../src/Matrix.h"
+
+namespace dae
+{
+	// W1
+	TEST(Vector3, DotProduct) {
+		EXPECT_EQ(1.0f, Vector3::Dot(Vector3::UnitX, Vector3::UnitX)); // (1) Same direction
+		EXPECT_EQ(-1.0f, Vector3::Dot(Vector3::UnitX, -Vector3::UnitX)); // (-1) Opposite direction
+		EXPECT_EQ(0.0f, Vector3::Dot(Vector3::UnitX, Vector3::UnitY)); // (0) Perpendicular
+
+		Vector3 v1(1.0f, 2.0f, 3.0f);
+		Vector3 v2(4.0f, 5.0f, 6.0f);
+		EXPECT_EQ(32.0f, dae::Vector3::Dot(v1, v2));
+	}
+
+	// W1
+	TEST(Vector4, DotProduct) {
+		EXPECT_EQ(70.f, Vector4::Dot({ 1, 2, 3, 4 }, { 5, 6, 7, 8 }));
+		EXPECT_EQ(30.f, Vector4::Dot({ 1, 2, 3, 4 }, { 1, 2, 3, 4 }));
+		EXPECT_EQ(-30.f, Vector4::Dot({ 1, 2, 3, 4 }, { -1, -2, -3, -4 }));
+		EXPECT_EQ(0.f, Vector4::Dot({ 1, 0, 0, 0 }, { 0, 1, 0, 0 }));
+		EXPECT_EQ(0.f, Vector4::Dot({ 0, 1, 0, 0 }, { 0, 0, 1, 0 }));
+	}
+
+	// W1
+	TEST(Vector3, CrossProduct) {
+		EXPECT_EQ(Vector3::UnitY, Vector3::Cross(Vector3::UnitZ, Vector3::UnitX)); // (0,1,0) UnitY
+		EXPECT_EQ(-Vector3::UnitY, Vector3::Cross(Vector3::UnitX, Vector3::UnitZ)); // (0,-1,0) -UnitY
+
+		Vector3 v1(1.0f, 2.0f, 3.0f);
+		Vector3 v2(4.0f, 5.0f, 6.0f);
+		EXPECT_EQ(dae::Vector3(-3.0f, 6.0f, -3.0f), dae::Vector3::Cross(v1, v2));
+	}
+
+	// W1
+
+	int main(int argc, char** argv) {
+		::testing::InitGoogleTest(&argc, argv);
+		return RUN_ALL_TESTS();
+	}
+}