CollectionSubset Constraint

CollectionSubsetConstraint tests that one IEnumerable is a subset of another. If the actual value passed does not implement IEnumerable, an exception is thrown.

Constructor

CollectionSubsetConstraint(IEnumerable)

Syntax

Is.SubsetOf(IEnumerable)

Modifiers

...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)
...Using<TSubsetElement, TSupersetElement>(Func<TSubsetElement, TSupersetElement, bool> comparison)
...UsingPropertiesComparer()  // From version 4.1

Example of Use

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