Class AssertThatCollection

Provides static methods for making assertions on collections with descriptive failure messages.

Inheritance

object

AssertThatCollection

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Benday.Common.Testing

Assembly: Benday.Common.Testing.dll

Syntax

public static class AssertThatCollection

Methods

| Edit this page View Source

AllMatch<T>(IEnumerable<T>, Func<T, bool>, string)

Verifies that all elements in the collection match the specified predicate.

Declaration

public static void AllMatch<T>(IEnumerable<T> collection, Func<T, bool> predicate, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to check.
Func<T, bool>	predicate	The predicate to test against each element.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when not all elements match the predicate.

| Edit this page View Source

AnyMatch<T>(IEnumerable<T>, Func<T, bool>, string)

Verifies that at least one element in the collection matches the specified predicate.

Declaration

public static void AnyMatch<T>(IEnumerable<T> collection, Func<T, bool> predicate, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to check.
Func<T, bool>	predicate	The predicate to test against each element.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when no elements match the predicate.

| Edit this page View Source

AreEqual<T>(IEnumerable<T>, IEnumerable<T>, string)

Verifies that two collections are equal by comparing their elements in order.

Declaration

public static void AreEqual<T>(IEnumerable<T> expected, IEnumerable<T> actual, string message)

Parameters

Type	Name	Description
IEnumerable<T>	expected	The expected collection.
IEnumerable<T>	actual	The actual collection.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collections.

Exceptions

Type	Condition
AssertionException	Thrown when the collections are not equal.

| Edit this page View Source

Contains<T>(IEnumerable<T>, T, string)

Verifies that the collection contains the specified item.

Declaration

public static void Contains<T>(IEnumerable<T> collection, T item, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to search.
T	item	The item to search for.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when the collection does not contain the item.

| Edit this page View Source

DoesNotContain<T>(IEnumerable<T>, T, string)

Verifies that the collection does not contain the specified item.

Declaration

public static void DoesNotContain<T>(IEnumerable<T> collection, T item, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to search.
T	item	The item to search for.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when the collection contains the item.

| Edit this page View Source

HasCount<T>(IEnumerable<T>, int, string)

Verifies that the collection has the expected count.

Declaration

public static void HasCount<T>(IEnumerable<T> collection, int expectedCount, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to check.
int	expectedCount	The expected count.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when the collection does not have the expected count.

| Edit this page View Source

HasUniqueElements<T>(IEnumerable<T>, string)

Verifies that the collection contains only unique elements.

Declaration

public static void HasUniqueElements<T>(IEnumerable<T> collection, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to check.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when the collection contains duplicate elements.

| Edit this page View Source

IsEmpty<T>(IEnumerable<T>, string)

Verifies that the collection is empty.

Declaration

public static void IsEmpty<T>(IEnumerable<T> collection, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to check.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when the collection is not empty.

| Edit this page View Source

IsNotEmpty<T>(IEnumerable<T>, string)

Verifies that the collection is not empty.

Declaration

public static void IsNotEmpty<T>(IEnumerable<T> collection, string message)

Parameters

Type	Name	Description
IEnumerable<T>	collection	The collection to check.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collection.

Exceptions

Type	Condition
AssertionException	Thrown when the collection is empty.

| Edit this page View Source

IsSubsetOf<T>(IEnumerable<T>, IEnumerable<T>, string)

Verifies that the collection is a subset of the superset collection.

Declaration

public static void IsSubsetOf<T>(IEnumerable<T> subset, IEnumerable<T> superset, string message)

Parameters

Type	Name	Description
IEnumerable<T>	subset	The collection that should be a subset.
IEnumerable<T>	superset	The collection that should contain all elements of the subset.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collections.

Exceptions

Type	Condition
AssertionException	Thrown when the subset is not contained in the superset.

| Edit this page View Source

IsSupersetOf<T>(IEnumerable<T>, IEnumerable<T>, string)

Verifies that the collection is a superset of the subset collection.

Declaration

public static void IsSupersetOf<T>(IEnumerable<T> superset, IEnumerable<T> subset, string message)

Parameters

Type	Name	Description
IEnumerable<T>	superset	The collection that should contain all elements of the subset.
IEnumerable<T>	subset	The collection that should be contained in the superset.
string	message	The message to display if the assertion fails.

Type Parameters

Name	Description
T	The type of elements in the collections.

Exceptions

Type	Condition
AssertionException	Thrown when the superset does not contain all elements of the subset.