public void CompareTo_IEnumerableAuthor()
{
var authors = new Authors(AuthorName, AuthorStringNameEmailHomepage);
object objectAuthors = new Authors(AuthorName, AuthorStringNameEmailHomepage);
object arrayAuthors = new Author[] { AuthorName, AuthorStringNameEmailHomepage };
object arrayAuthorStrings = new[] { AuthorName, AuthorStringNameEmailHomepage };
Assert.AreEqual(0, authors.CompareTo(objectAuthors));
Assert.AreEqual(0, authors.CompareTo(arrayAuthors));
Assert.AreEqual(0, authors.CompareTo(arrayAuthorStrings));
}
public void CompareTo_object()
{
var authors = new Authors(AuthorName, AuthorStringNameEmailHomepage);
var objectBare = new object();
Assert.Throws <NotSupportedException>(
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
() => authors.CompareTo(objectBare), Authors.ExceptionComparisonNotSupported
);
Assert.Throws <NotSupportedException>(
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
// ReSharper disable once ExpressionIsAlwaysNull
() => authors.CompareTo((object)null), Authors.ExceptionComparisonNotSupported
);
}
public void CompareTo_object_IComparer()
{
var authors = new Authors(AuthorName, AuthorStringNameEmailHomepage);
object objectAuthors = new Authors(AuthorName, AuthorStringNameEmailHomepage);
var mockComparer = new Mock <IComparer>();
mockComparer.Setup(setupComparer => setupComparer.Compare(It.IsAny <object>(), It.IsAny <object>()))
?.Returns <object, object>((a, b) => (a?.GetHashCode() ?? 0) ^ (b?.GetHashCode() ?? 0));
Debug.Assert(mockComparer.Object != null, "mockComparer.Object != null");
Assert.AreEqual(0, authors.CompareTo(objectAuthors, mockComparer.Object));
}
