Move ComputeTest,GraphicsTest,RenderTest and Std140Debug to the tests folder

Also renamed NazaraUnitTests to UnitTests

tests/UnitTests/Engine/Core/FileTest.cpp

@@ -0,0 +1,84 @@
+#include <Nazara/Core/File.hpp>
+#include <catch2/catch_approx.hpp>
+#include <catch2/catch_test_macros.hpp>
+
+std::filesystem::path GetAssetDir();
+
+SCENARIO("File", "[CORE][FILE]")
+{
+	GIVEN("One file")
+	{
+		WHEN("We create a new file")
+		{
+			Nz::File file("Test File.txt", Nz::OpenMode_ReadWrite);
+			REQUIRE(file.GetDirectory() == std::filesystem::current_path());
+			REQUIRE(file.IsOpen());
+
+			THEN("We are allowed to write 3 times 'Test String'")
+			{
+				const char message[12] = "Test String"; // 11 + '\0'
+				Nz::ByteArray byteArray(message, 11);
+				file.Write("Test String");
+				file.Write(byteArray);
+				file.Write(message, 11);
+			}
+
+			AND_THEN("We can retrieve 3 times 'Test String'")
+			{
+				char message[12];
+				REQUIRE(file.Read(message, 11) == 11);
+				message[11] = '\0';
+				REQUIRE(std::string(message) == "Test String");
+
+				REQUIRE(file.Read(message, 11) == 11);
+				message[11] = '\0';
+				REQUIRE(std::string(message) == "Test String");
+			}
+
+			AND_THEN("We can get its size")
+			{
+				REQUIRE(file.GetSize() == 33U);
+			}
+
+			AND_THEN("We close it")
+			{
+				file.Close();
+				CHECK(!file.IsOpen());
+			}
+
+			AND_THEN("Change its size")
+			{
+				file.SetSize(50U);
+				REQUIRE(file.GetSize() == 50U);
+			}
+		}
+
+		WHEN("We delete this file")
+		{
+			std::filesystem::remove("Test File.txt");
+
+			THEN("It doesn't exist anymore")
+			{
+				CHECK(!std::filesystem::exists("Test File.txt"));
+			}
+		}
+	}
+
+	GIVEN("The test file")
+	{
+		REQUIRE(std::filesystem::exists(GetAssetDir() / "Core/FileTest.txt"));
+
+		Nz::File fileTest(GetAssetDir() / "Core/FileTest.txt", Nz::OpenMode::ReadOnly | Nz::OpenMode::Text);
+
+		WHEN("We read the first line of the file")
+		{
+			REQUIRE(fileTest.IsOpen());
+			std::string content = fileTest.ReadLine();
+
+			THEN("The content must be 'Test'")
+			{
+				REQUIRE(content == "Test");
+			}
+		}
+	}
+}