7 files changed, 167 insertions, 3 deletions
diff --git a/src/test/AssetTest.cpp b/src/test/AssetTest.cpp
new file mode 100644
index 0000000..563a253
--- /dev/null
+++ b/src/test/AssetTest.cpp
@@ -0,0 +1,33 @@
+#include <gtest/gtest.h>
+
+#include <crepe/api/Asset.h>
+#include <crepe/api/Config.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class AssetTest : public Test {
+public:
+	Config & cfg = Config::get_instance();
+	void SetUp() override {
+		this->cfg.asset.root_pattern = ".crepe-root";
+	}
+};
+
+TEST_F(AssetTest, Existant) {
+	ASSERT_NO_THROW(Asset{"asset/texture/img.png"});
+}
+
+TEST_F(AssetTest, Nonexistant) {
+	ASSERT_ANY_THROW(Asset{"asset/nonexistant"});
+}
+
+TEST_F(AssetTest, Rootless) {
+	cfg.asset.root_pattern.clear();
+
+	string arbitrary = "\\/this is / /../passed through as-is";
+	Asset asset{arbitrary};
+	ASSERT_EQ(arbitrary, asset.get_path());
+}
+
diff --git a/src/test/AudioTest.cpp b/src/test/AudioTest.cpp
new file mode 100644
index 0000000..e181de9
--- /dev/null
+++ b/src/test/AudioTest.cpp
@@ -0,0 +1,26 @@
+#include <gtest/gtest.h>
+
+#include <crepe/ComponentManager.h>
+#include <crepe/api/AudioSource.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/system/AudioSystem.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class AudioTest : public Test {
+public:
+	ComponentManager component_manager{};
+	AudioSystem system {component_manager};
+
+	void SetUp() override {
+		auto & mgr = this->component_manager;
+		GameObject entity = mgr.new_object("name");
+		entity.add_component<AudioSource>("mwe/audio/sfx1.wav");
+	}
+};
+
+TEST_F(AudioTest, Default) {
+}
+
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index 49c8151..437c296 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -3,5 +3,9 @@ target_sources(test_main PUBLIC
 	PhysicsTest.cpp
 	ScriptTest.cpp
 	ParticleTest.cpp
+	AudioTest.cpp
+	AssetTest.cpp
+	ResourceManagerTest.cpp
+	OptionalRefTest.cpp
 )
 
diff --git a/src/test/OptionalRefTest.cpp b/src/test/OptionalRefTest.cpp
new file mode 100644
index 0000000..219ccca
--- /dev/null
+++ b/src/test/OptionalRefTest.cpp
@@ -0,0 +1,38 @@
+#include <gtest/gtest.h>
+
+#include <crepe/util/OptionalRef.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+TEST(OptionalRefTest, Explicit) {
+	string value = "foo";
+	OptionalRef<string> ref;
+	EXPECT_FALSE(ref);
+	ASSERT_THROW(ref.get(), runtime_error);
+
+	ref.set(value);
+	EXPECT_TRUE(ref);
+	ASSERT_NO_THROW(ref.get());
+
+	ref.clear();
+	EXPECT_FALSE(ref);
+	ASSERT_THROW(ref.get(), runtime_error);
+}
+
+TEST(OptionalRefTest, Implicit) {
+	string value = "foo";
+	OptionalRef<string> ref = value;
+	EXPECT_TRUE(ref);
+	ASSERT_NO_THROW(ref.get());
+
+	ref.clear();
+	EXPECT_FALSE(ref);
+	ASSERT_THROW(ref.get(), runtime_error);
+
+	ref = value;
+	EXPECT_TRUE(ref);
+	ASSERT_NO_THROW(ref.get());
+}
+
diff --git a/src/test/ParticleTest.cpp b/src/test/ParticleTest.cpp
index 4e655a9..cfbbc0e 100644
--- a/src/test/ParticleTest.cpp
+++ b/src/test/ParticleTest.cpp
@@ -29,7 +29,7 @@ public:
 
 			Color color(0, 0, 0, 0);
 			Sprite test_sprite = game_object.add_component<Sprite>(
-				make_shared<Texture>("../asset/texture/img.png"), color,
+				make_shared<Texture>("asset/texture/img.png"), color,
 				FlipSettings{true, true});
 
 			game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{
diff --git a/src/test/ResourceManagerTest.cpp b/src/test/ResourceManagerTest.cpp
new file mode 100644
index 0000000..3fc9ebd
--- /dev/null
+++ b/src/test/ResourceManagerTest.cpp
@@ -0,0 +1,52 @@
+#include <gtest/gtest.h>
+
+#include <crepe/util/Log.h>
+#include <crepe/api/Config.h>
+#include <crepe/api/ResourceManager.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class ResourceManagerTest : public Test {
+public:
+	ResourceManager & resman = ResourceManager::get_instance();
+	Config & cfg = Config::get_instance();
+
+	void SetUp() override {
+		resman.clear();
+	}
+};
+
+TEST_F(ResourceManagerTest, Main) {
+	// NOTE: there is no way (that I know of) to ensure the last cache call
+	// allocates the new Sound instance in a different location than the first,
+	// so this test should be verified manually using these print statements and
+	// debug trace messages.
+	cfg.log.level = Log::Level::TRACE;
+
+	Asset path1 = "mwe/audio/sfx1.wav";
+	Asset path2 = "mwe/audio/sfx1.wav";
+	ASSERT_EQ(path1, path2);
+
+	Sound * ptr1 = nullptr;
+	Sound * ptr2 = nullptr;
+	{
+		Log::logf(Log::Level::DEBUG, "Get first sound (constructor call)");
+		Sound & sound = resman.cache<Sound>(path1);
+		ptr1 = &sound;
+	}
+	{
+		Log::logf(Log::Level::DEBUG, "Get same sound (NO constructor call)");
+		Sound & sound = resman.cache<Sound>(path2);
+		ptr2 = &sound;
+	}
+	EXPECT_EQ(ptr1, ptr2);
+
+	Log::logf(Log::Level::DEBUG, "Clear cache (destructor call)");
+	resman.clear();
+
+	Log::logf(Log::Level::DEBUG, "Get first sound again (constructor call)");
+	Sound & sound = resman.cache<Sound>(path1);
+}
+
diff --git a/src/test/main.cpp b/src/test/main.cpp
index 241015d..19a8d6e 100644
--- a/src/test/main.cpp
+++ b/src/test/main.cpp
@@ -5,11 +5,22 @@
 using namespace crepe;
 using namespace testing;
 
+class GlobalConfigReset : public EmptyTestEventListener {
+public:
+	Config & cfg = Config::get_instance();
+
+	// This function is called before each test
+	void OnTestStart(const TestInfo &) override {
+		cfg.log.level = Log::Level::WARNING;
+	}
+};
+
 int main(int argc, char ** argv) {
 	InitGoogleTest(&argc, argv);
 
-	auto & cfg = Config::get_instance();
-	cfg.log.level = Log::Level::ERROR;
+	UnitTest & ut = *UnitTest::GetInstance();
+	ut.listeners().Append(new GlobalConfigReset);
 
 	return RUN_ALL_TESTS();
 }
+