Intensive refactor of DRAMSys project structure and CMakeFiles

tests/tests_util/test_json.cpp

@@ -0,0 +1,38 @@
+#include <gtest/gtest.h>
+
+#include <DRAMSys/util/json.h>
+
+class JsonTest : public ::testing::Test {
+protected:
+	virtual void SetUp()
+	{
+	}
+
+	virtual void TearDown()
+	{
+	}
+};
+
+TEST_F(JsonTest, Test)
+{
+	auto in = json_t::parse(R"( 
+	{ 
+		"test": 5,
+		"null": null
+	} 
+)");
+
+	std::optional<int> opt_in;
+	std::optional<int> opt_null;
+	std::optional<int> opt_nil;
+
+	in["test"].get_to(opt_in);
+	in["null"].get_to(opt_null);
+	in["nil"].get_to(opt_nil);
+	
+	ASSERT_TRUE(opt_in.has_value());
+	ASSERT_EQ(*opt_in, 5);
+	
+	ASSERT_FALSE(opt_null.has_value());
+	ASSERT_FALSE(opt_nil.has_value());
+};