Assert.Contains Method

Definition

Namespace:

Microsoft.VisualStudio.TestTools.UnitTesting

Assembly:

Microsoft.VisualStudio.TestPlatform.TestFramework.dll

Package:

MSTest.TestFramework v3.8.0

Overloads

Contains(String, String)	Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.
Contains(String, String, String)	Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.
Contains(String, String, StringComparison)	Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.
Contains(String, String, String, Object[])	Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.
Contains(String, String, StringComparison, String)	Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.
Contains(String, String, StringComparison, String, Object[])	Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.
Contains<T>(T, IEnumerable<T>, IEqualityComparer<T>, String)	Tests whether the specified collection contains the given element.
Contains<T>(Func<T,Boolean>, IEnumerable<T>, String, Object[])	Tests whether the specified collection contains the given element.
Contains<T>(T, IEnumerable<T>, String, Object[])	Tests whether the specified collection contains the given element.
Contains<T>(T, IEnumerable<T>, String)	Tests whether the specified collection contains the given element.
Contains<T>(T, IEnumerable<T>, IEqualityComparer<T>, String, Object[])	Tests whether the specified collection contains the given element.
Contains<T>(IEnumerable<T>, Func<T,Boolean>, String)	Tests whether the specified collection contains the given element.
Contains<T>(Func<T,Boolean>, IEnumerable<T>)	Tests whether the specified collection contains the given element.
Contains<T>(T, IEnumerable<T>, IEqualityComparer<T>)	Tests whether the specified collection contains the given element.
Contains<T>(T, IEnumerable<T>)	Tests whether the specified collection contains the given element.

Contains(String, String)

Source:

Assert.Contains.cs

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

public static void Contains (string substring, string value);

static member Contains : string * string -> unit

Public Shared Sub Contains (substring As String, value As String)

Parameters

substring

String

The string expected to occur within value.

value

String

The string that is expected to contain substring.

Exceptions

AssertFailedException

value is null, or substring is null, or value does not contain substring.

Contains(String, String, String)

Source:

Assert.Contains.cs

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

public static void Contains (string substring, string value, string? message);

static member Contains : string * string * string -> unit

Public Shared Sub Contains (substring As String, value As String, message As String)

Parameters

substring

String

The string expected to occur within value.

value

String

The string that is expected to contain substring.

message

String

The message to include in the exception when substring is not in value. The message is shown in test results.

Exceptions

AssertFailedException

value is null, or substring is null, or value does not contain substring.

Contains(String, String, StringComparison)

Source:

Assert.Contains.cs

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

public static void Contains (string substring, string value, StringComparison comparisonType);

static member Contains : string * string * StringComparison -> unit

Public Shared Sub Contains (substring As String, value As String, comparisonType As StringComparison)

Parameters

substring

String

The string expected to occur within value.

value

String

The string that is expected to contain substring.

comparisonType

StringComparison

The comparison method to compare strings comparisonType.

Exceptions

AssertFailedException

value is null, or substring is null, or value does not contain substring.

Contains(String, String, String, Object[])

Source:

Assert.Contains.cs

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

public static void Contains (string substring, string value, string? message, params object?[]? parameters);

static member Contains : string * string * string * obj[] -> unit

Public Shared Sub Contains (substring As String, value As String, message As String, ParamArray parameters As Object())

Parameters

substring

String

The string expected to occur within value.

value

String

The string that is expected to contain substring.

message

String

The message to include in the exception when substring is not in value. The message is shown in test results.

parameters

Object[]

An array of parameters to use when formatting message.

Exceptions

AssertFailedException

value is null, or substring is null, or value does not contain substring.

Contains(String, String, StringComparison, String)

Source:

Assert.Contains.cs

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

public static void Contains (string substring, string value, StringComparison comparisonType, string? message);

static member Contains : string * string * StringComparison * string -> unit

Public Shared Sub Contains (substring As String, value As String, comparisonType As StringComparison, message As String)

Parameters

substring

String

The string expected to occur within value.

value

String

The string that is expected to contain substring.

comparisonType

StringComparison

The comparison method to compare strings comparisonType.

message

String

The message to include in the exception when substring is not in value. The message is shown in test results.

Exceptions

AssertFailedException

value is null, or substring is null, or value does not contain substring.

Contains(String, String, StringComparison, String, Object[])

Source:

Assert.Contains.cs

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

public static void Contains (string substring, string value, StringComparison comparisonType, string? message, params object?[]? parameters);

static member Contains : string * string * StringComparison * string * obj[] -> unit

Public Shared Sub Contains (substring As String, value As String, comparisonType As StringComparison, message As String, ParamArray parameters As Object())

Parameters

substring

String

The string expected to occur within value.

value

String

The string that is expected to contain substring.

comparisonType

StringComparison

The comparison method to compare strings comparisonType.

message

String

The message to include in the exception when substring is not in value. The message is shown in test results.

parameters

Object[]

An array of parameters to use when formatting message.

Exceptions

AssertFailedException

value is null, or substring is null, or value does not contain substring.

Contains<T>(T, IEnumerable<T>, IEqualityComparer<T>, String)

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (T expected, System.Collections.Generic.IEnumerable<T> collection, System.Collections.Generic.IEqualityComparer<T> comparer, string? message);

static member Contains : 'T * seq<'T> * System.Collections.Generic.IEqualityComparer<'T> * string -> unit

Public Shared Sub Contains(Of T) (expected As T, collection As IEnumerable(Of T), comparer As IEqualityComparer(Of T), message As String)

Type Parameters

T

The type of the collection items.

Parameters

expected

T

The expected item.

collection

IEnumerable<T>

The collection.

comparer

IEqualityComparer<T>

An equality comparer to compare values.

message

String

The message to display when the assertion fails.

Contains<T>(Func<T,Boolean>, IEnumerable<T>, String, Object[])

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (Func<T,bool> predicate, System.Collections.Generic.IEnumerable<T> collection, string? message, params object?[]? parameters);

static member Contains : Func<'T, bool> * seq<'T> * string * obj[] -> unit

Public Shared Sub Contains(Of T) (predicate As Func(Of T, Boolean), collection As IEnumerable(Of T), message As String, ParamArray parameters As Object())

Type Parameters

T

The type of the collection items.

Parameters

predicate

Func<T,Boolean>

A function to test each element for a condition.

collection

IEnumerable<T>

The collection.

message

String

The message format to display when the assertion fails.

parameters

Object[]

The parameters to format the message.

Contains<T>(T, IEnumerable<T>, String, Object[])

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (T expected, System.Collections.Generic.IEnumerable<T> collection, string? message, params object?[]? parameters);

static member Contains : 'T * seq<'T> * string * obj[] -> unit

Public Shared Sub Contains(Of T) (expected As T, collection As IEnumerable(Of T), message As String, ParamArray parameters As Object())

Type Parameters

T

The type of the collection items.

Parameters

expected

T

The expected item.

collection

IEnumerable<T>

The collection.

message

String

The message format to display when the assertion fails.

parameters

Object[]

The parameters to format the message.

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

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (T expected, System.Collections.Generic.IEnumerable<T> collection, string? message);

static member Contains : 'T * seq<'T> * string -> unit

Public Shared Sub Contains(Of T) (expected As T, collection As IEnumerable(Of T), message As String)

Type Parameters

T

The type of the collection items.

Parameters

expected

T

The expected item.

collection

IEnumerable<T>

The collection.

message

String

The message to display when the assertion fails.

Contains<T>(T, IEnumerable<T>, IEqualityComparer<T>, String, Object[])

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (T expected, System.Collections.Generic.IEnumerable<T> collection, System.Collections.Generic.IEqualityComparer<T> comparer, string? message, params object?[]? parameters);

static member Contains : 'T * seq<'T> * System.Collections.Generic.IEqualityComparer<'T> * string * obj[] -> unit

Public Shared Sub Contains(Of T) (expected As T, collection As IEnumerable(Of T), comparer As IEqualityComparer(Of T), message As String, ParamArray parameters As Object())

Type Parameters

T

The type of the collection items.

Parameters

expected

T

The expected item.

collection

IEnumerable<T>

The collection.

comparer

IEqualityComparer<T>

An equality comparer to compare values.

message

String

The message to display when the assertion fails.

parameters

Object[]

The parameters to format the message.

Contains<T>(IEnumerable<T>, Func<T,Boolean>, String)

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (System.Collections.Generic.IEnumerable<T> collection, Func<T,bool> predicate, string? message);

static member Contains : seq<'T> * Func<'T, bool> * string -> unit

Public Shared Sub Contains(Of T) (collection As IEnumerable(Of T), predicate As Func(Of T, Boolean), message As String)

Type Parameters

T

The type of the collection items.

Parameters

collection

IEnumerable<T>

The collection.

predicate

Func<T,Boolean>

A function to test each element for a condition.

message

String

The message to display when the assertion fails.

Contains<T>(Func<T,Boolean>, IEnumerable<T>)

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (Func<T,bool> predicate, System.Collections.Generic.IEnumerable<T> collection);

static member Contains : Func<'T, bool> * seq<'T> -> unit

Public Shared Sub Contains(Of T) (predicate As Func(Of T, Boolean), collection As IEnumerable(Of T))

Type Parameters

T

The type of the collection items.

Parameters

predicate

Func<T,Boolean>

A function to test each element for a condition.

collection

IEnumerable<T>

The collection.

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

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (T expected, System.Collections.Generic.IEnumerable<T> collection, System.Collections.Generic.IEqualityComparer<T> comparer);

static member Contains : 'T * seq<'T> * System.Collections.Generic.IEqualityComparer<'T> -> unit

Public Shared Sub Contains(Of T) (expected As T, collection As IEnumerable(Of T), comparer As IEqualityComparer(Of T))

Type Parameters

T

The type of the collection items.

Parameters

expected

T

The expected item.

collection

IEnumerable<T>

The collection.

comparer

IEqualityComparer<T>

An equality comparer to compare values.

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

Source:

Assert.Contains.cs

Tests whether the specified collection contains the given element.

public static void Contains<T> (T expected, System.Collections.Generic.IEnumerable<T> collection);

static member Contains : 'T * seq<'T> -> unit

Public Shared Sub Contains(Of T) (expected As T, collection As IEnumerable(Of T))

Type Parameters

T

The type of the collection items.

Parameters

expected

T

The expected item.

collection

IEnumerable<T>

The collection.