Bug fix -> String with one char + Directory and File on linux

Former-commit-id: 7f9b6c44197c3cc67145eb0a2d421a2e1de45a84

tests/Engine/Core/File.cpp

@@ -9,7 +9,7 @@ SCENARIO("File", "[CORE][FILE]")
 		{
 			Nz::File file("Test File.txt", Nz::OpenMode_ReadWrite);
 			REQUIRE(file.GetDirectory() == Nz::Directory::GetCurrent() + NAZARA_DIRECTORY_SEPARATOR);
-			CHECK(file.IsOpen());
+			REQUIRE(file.IsOpen());
 
 			THEN("We are allowed to write 3 times 'Test String'")
 			{
@@ -50,4 +50,38 @@ SCENARIO("File", "[CORE][FILE]")
 			}
 		}
 	}
+
+	GIVEN("The test file")
+	{
+		REQUIRE(Nz::File::Exists("resources/Engine/Core/FileTest.txt"));
+
+		Nz::File fileTest("resources/Engine/Core/FileTest.txt", Nz::OpenMode_ReadOnly | Nz::OpenMode_Text);
+
+		WHEN("We read the first line of the file")
+		{
+			REQUIRE(fileTest.IsOpen());
+			Nz::String content = fileTest.ReadLine();
+
+			THEN("The content must be 'Test'")
+			{
+				REQUIRE(content == "Test");
+			}
+		}
+	}
+
+	GIVEN("Nothing")
+	{
+		WHEN("We get the absolute path of something containing relative path")
+		{
+			Nz::String containingDot = "/resources/Spaceship/./spaceship.mtl";
+			Nz::String containingDoubleDot = "/resources/Spaceship/../Spaceship/spaceship.mtl";
+
+			THEN("The relative positioning should disappear")
+			{
+				Nz::String containingNoMoreDot = "/resources/Spaceship/spaceship.mtl";
+				REQUIRE(Nz::File::AbsolutePath(containingDot) == containingNoMoreDot);
+				REQUIRE(Nz::File::AbsolutePath(containingDoubleDot) == containingNoMoreDot);
+			}
+		}
+	}
 }

tests/Engine/Core/String.cpp

@@ -82,6 +82,21 @@ SCENARIO("String", "[CORE][STRING]")
 		}
 	}
 
+	GIVEN("One character string")
+	{
+		Nz::String characterString;
+
+		WHEN("We set the string to one character")
+		{
+			characterString.Set('/');
+
+			THEN("The string must contain it")
+			{
+				REQUIRE(characterString == '/');
+			}
+		}
+	}
+
 	/* TODO
 	GIVEN("One unicode string")
 	{