public void Compare_File1CreatedBeforeFile2_ReturnsLessThanZero( )
{
// Create the first file
string path1 = Path.GetTempFileName( );
// Testing the comparer here, not the file system.
File.SetCreationTime(path1, DateTime.Now.AddMinutes(-1));
// Create the second file
string path2 = Path.GetTempFileName( );
// Initialize the file data
var file1 = new FileInfo(path1);
var file2 = new FileInfo(path2);
// Compare the file
var comparer = new FileCreationComparer( );
int result = comparer.Compare(file1, file2);
// Assert that the file1 was created before file2
Assert.IsTrue(result < 0);
File.Delete(path1);
File.Delete(path2);
}
public void Compare_File1File2CreatedSameTime_ReturnsZero( )
{
// Create the file
string path = Path.GetTempFileName( );
// Initialize the file data
var file1 = new FileInfo(path);
var file2 = new FileInfo(path);
// Compare the file
var comparer = new FileCreationComparer( );
int result = comparer.Compare(file1, file2);
// Assert that the file1 was created at the same time as file2
Assert.IsTrue(result == 0);
File.Delete(path);
}