public void MemoryFileSystemProvider_GetFullPath_ReturnsAbolutePath()
{
var provider = new MemoryFileSystemProvider();
Assert.Equal("/input.dat", provider.GetFullPath("input.dat"));
Assert.Equal("/input.dat", provider.GetFullPath("./input.dat"));
Assert.Equal("/input.dat", provider.GetFullPath("/input.dat"));
provider.CreateFolder("home");
provider.SetCurrentDirectory("home");
Assert.Equal("/home/input.dat", provider.GetFullPath("input.dat"));
Assert.Equal("/home/input.dat", provider.GetFullPath("./input.dat"));
Assert.Equal("/home/input.dat", provider.GetFullPath("../home/input.dat"));
Assert.Equal("/home/input.dat", provider.GetFullPath("/home/input.dat"));
}
