public void CopyTest()
{
string fileContents = "testing";
File file = CreateFileInTempDirectory();
System.IO.File.WriteAllText(file.Path, fileContents);
// Test that copying to an unused location succeeds.
File destination = CreateFileInTempDirectory();
file.Copy(destination);
Assert.IsTrue(System.IO.File.Exists(destination.Path), "File should exist");
Assert.AreEqual(fileContents,
System.IO.File.ReadAllLines(destination.Path)[0],
"File contents should have been copied.");
// Test that copying to an existing location succeeds.
System.IO.File.Delete(destination.Path);
System.IO.File.Create(destination.Path).Dispose();
file.Copy(destination);
Assert.AreEqual(fileContents,
System.IO.File.ReadAllLines(destination.Path)[0],
"File contents should have been copied.");
}