convert more examples to unit tests

2 files changed, 30 insertions, 0 deletions

diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index c1f935d..61dd2d9 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -6,5 +6,6 @@ target_sources(test_main PUBLIC
 	ECSTest.cpp
 	SceneManagerTest.cpp
 	ValueBrokerTest.cpp
+	DBTest.cpp
 )
 
diff --git a/src/test/DBTest.cpp b/src/test/DBTest.cpp
new file mode 100644
index 0000000..b57eba9
--- /dev/null
+++ b/src/test/DBTest.cpp
@@ -0,0 +1,29 @@
+#include <gtest/gtest.h>
+#include <crepe/facade/DB.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class DBTest : public Test {
+public:
+	DB db;
+};
+
+TEST_F(DBTest, ReadWrite) {
+	db.set("foo", "bar");
+	EXPECT_EQ(db.get("foo"), "bar");
+}
+
+TEST_F(DBTest, Nonexistant) {
+	EXPECT_THROW(db.get("foo"), std::out_of_range);
+	db.set("foo", "bar");
+	EXPECT_NO_THROW(db.get("foo"));
+}
+
+TEST_F(DBTest, Has) {
+	EXPECT_EQ(db.has("foo"), false);
+	db.set("foo", "bar");
+	EXPECT_EQ(db.has("foo"), true);
+}
+