public void AddMembersToClassTest()
{
var decl = new CodeTypeDeclaration();
var memberA = new CodeTypeMember()
{
Name = "MemberA"
};
var memberB = new CodeTypeMember()
{
Name = "MemberB"
};
var memberC = new CodeTypeMember()
{
Name = "MemberA"
};
// Test parameter validation
Assert.Throws <ArgumentNullException>(
() => DecoratorUtil.AddMembersToClass(null, new CodeTypeMemberCollection()));
Assert.Throws <ArgumentNullException>(() => DecoratorUtil.AddMembersToClass(decl, null));
// Add a single element.
DecoratorUtil.AddMembersToClass(decl, new CodeTypeMemberCollection(new[] { memberA }));
Assert.AreEqual(1, decl.Members.Count);
// Confirm that this element is skipped when adding it twice.
DecoratorUtil.AddMembersToClass(decl, new CodeTypeMemberCollection(new[] { memberA }));
Assert.AreEqual(1, decl.Members.Count);
// Add the remaining elements
DecoratorUtil.AddMembersToClass(decl, new CodeTypeMemberCollection(new[] { memberA, memberB, memberC }));
Assert.AreEqual(2, decl.Members.Count);
}