UniqueItems Constraint

UniqueItemsConstraint tests that an array, collection or other IEnumerable is composed of unique items with no duplicates.

Constructor

UniqueItemsConstraint()

Syntax

Is.Unique

Modifiers

...IgnoreCase
...IgnoreWhiteSpace  // From version 4.2
...Using(IEqualityComparer comparer)
...Using(IComparer comparer)
...Using<T>(IEqualityComparer<T> comparer)
...Using<T>(IComparer<T> comparer)
...Using<T>(Comparison<T> comparer)
...Using<T>(Func<T, T, bool> comparer)
...UsingPropertiesComparer()  // From version 4.1
...UsingPropertiesComparer(
      Func<PropertiesComparerConfiguration,
           PropertiesComparerConfiguration> configure) // From version 4.4

Example of Use

int[] iarray = new int[] { 1, 2, 3 };
Assert.That(iarray, Is.Unique);