Fix documentation for module: Core

Former-commit-id: 5f47321109e66e3961a09c4a2394335c4868453f

tests/Engine/Core/ByteArray.cpp

@@ -213,4 +213,24 @@ SCENARIO("ByteArray", "[CORE][BYTEARRAY]")
 			}
 		}
 	}
+
+	GIVEN("A default byte array")
+	{
+		Nz::ByteArray defaultByteArray;
+
+		WHEN("We resize")
+		{
+			Nz::UInt64 oldSize = defaultByteArray.GetSize();
+			REQUIRE(oldSize == 0);
+			defaultByteArray.Resize(10);
+
+			THEN("Capacity has increased")
+			{
+				REQUIRE(defaultByteArray[oldSize] == 0);
+
+				REQUIRE(defaultByteArray.GetCapacity() >= 10);
+				REQUIRE(defaultByteArray.GetSize() == 10);
+			}
+		}
+	}
 }

tests/Engine/Core/File.cpp

@@ -32,12 +32,22 @@ SCENARIO("File", "[CORE][FILE]")
 				REQUIRE(Nz::String(message) == "Test String");
 			}
 
+			AND_THEN("We can get its size")
+			{
+				REQUIRE(file.GetSize() == 33U);
+			}
+
 			AND_THEN("We close it")
 			{
 				file.Close();
-				REQUIRE(file.GetSize() == 33U);
 				CHECK(!file.IsOpen());
 			}
+
+			AND_THEN("Change its size")
+			{
+				file.SetSize(50U);
+				REQUIRE(file.GetSize() == 50U);
+			}
 		}
 
 		WHEN("We delete this file")