public void Can_Change_Extension_Of_Path()
{
// Given
var path = new FilePath("temp/hello.txt");
// When
path = path.ChangeExtension(".dat");
// Then
Assert.Equal("temp/hello.dat", path.ToString());
}
public void Can_Append_Extension_To_Path(string extension, string expected)
{
// Given
var path = new FilePath("temp/hello.txt");
// When
path = path.AppendExtension(extension);
// Then
Assert.Equal(expected, path.ToString());
}