DictionaryContainsKeyConstraint

DictionaryContainsKeyConstraint is used to test whether a dictionary contains an expected object as a key.

Constructor

DictionaryContainsKeyConstraint(object)

Syntax

Contains.Key(object)
Does.ContainKey(object)
Does.Not.ContainKey(object)

Modifiers

...Using(IComparer comparer)
...Using(IEqualityComparer comparer)
...Using<T>(IComparer<T> comparer)
...Using<T>(Comparison<T> comparer)
...Using<T>(Func<T, T, bool> comparer)
...Using<T>(IEqualityComparer<T> comparer)
...Using<TCollectionType, TMemberType>(Func<TCollectionType, TMemberType, bool> comparison)

Examples of Use

IDictionary<int, int> idict = new IDictionary<int, string> { { 1, 4 }, { 2, 5 } };

Assert.That(idict, Contains.Key(1));
Assert.That(idict, Does.ContainKey(2));
Assert.That(idict, Does.Not.ContainKey(3));
Assert.That(mydict, Contains.Key(myOwnObject).Using(myComparer));

See also:

• DictionaryContainsValueConstraint