Verifies that all items in the specified collection are unique. The assertion fails if any two elements in the collection are equal.
Namespace:  Microsoft.VisualStudio.TestTools.UnitTesting
Assembly:  Microsoft.VisualStudio.QualityTools.UnitTestFramework (in Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll)
Syntax
'Declaration
Public Shared Sub AllItemsAreUnique ( _
    collection As ICollection _
)
public static void AllItemsAreUnique(
    ICollection collection
)
public:
static void AllItemsAreUnique(
    ICollection^ collection
)
static member AllItemsAreUnique : 
        collection:ICollection -> unit
public static function AllItemsAreUnique(
    collection : ICollection
)
Parameters
- collection 
 Type: ICollection- The collection in which to search for duplicate elements. 
Exceptions
| Exception | Condition | 
|---|---|
| AssertFailedException | Two or more equal elements are found in collection. | 
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
See Also
Reference
Microsoft.VisualStudio.TestTools.UnitTesting Namespace