Assert.IsEmpty Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Overloads
| IsEmpty(IEnumerable) |
Tests that the collection is empty. |
| IsEmpty(IEnumerable, String) |
Tests that the collection is empty. |
| IsEmpty(IEnumerable, String, String) |
Tests that the collection is empty. |
| IsEmpty<T>(IEnumerable<T>, String, String) |
Tests that the collection is empty. |
| IsEmpty<T>(IEnumerable<T>, Assert.AssertCountInterpolatedStringHandler<T>, String) |
Tests that the collection is empty. |
| IsEmpty<T>(IEnumerable<T>, String, Object[]) |
Tests that the collection is empty. |
| IsEmpty<T>(IEnumerable<T>, Assert.AssertCountInterpolatedStringHandler<T>) |
Tests that the collection is empty. |
| IsEmpty<T>(IEnumerable<T>) |
Tests that the collection is empty. |
| IsEmpty<T>(IEnumerable<T>, String) |
Tests that the collection is empty. |
IsEmpty(IEnumerable)
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty(System.Collections.IEnumerable collection);static member IsEmpty : System.Collections.IEnumerable -> unitPublic Shared Sub IsEmpty (collection As IEnumerable)Parameters
- collection
- IEnumerable
The collection.
Applies to
IsEmpty(IEnumerable, String)
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty(System.Collections.IEnumerable collection, string? message);static member IsEmpty : System.Collections.IEnumerable * string -> unitPublic Shared Sub IsEmpty (collection As IEnumerable, message As String)Parameters
- collection
- IEnumerable
The collection.
- message
- String
The message format to display when the assertion fails.
Applies to
IsEmpty(IEnumerable, String, String)
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty(System.Collections.IEnumerable collection, string? message = "", string collectionExpression = "");static member IsEmpty : System.Collections.IEnumerable * string * string -> unitPublic Shared Sub IsEmpty (collection As IEnumerable, Optional message As String = "", Optional collectionExpression As String = "")Parameters
- collection
- IEnumerable
The collection.
- message
- String
The message to display when the assertion fails.
- collectionExpression
- String
The syntactic expression of collection as given by the compiler via caller argument expression. Users shouldn't pass a value for this parameter.
Applies to
IsEmpty<T>(IEnumerable<T>, String, String)
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty<T>(System.Collections.Generic.IEnumerable<T> collection, string? message = "", string collectionExpression = "");static member IsEmpty : seq<'T> * string * string -> unitPublic Shared Sub IsEmpty(Of T) (collection As IEnumerable(Of T), Optional message As String = "", Optional collectionExpression As String = "")Type Parameters
- T
The type of the collection items.
Parameters
- collection
- IEnumerable<T>
The collection.
- message
- String
The message to display when the assertion fails.
- collectionExpression
- String
The syntactic expression of collection as given by the compiler via caller argument expression. Users shouldn't pass a value for this parameter.
Applies to
IsEmpty<T>(IEnumerable<T>, Assert.AssertCountInterpolatedStringHandler<T>, String)
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty<T>(System.Collections.Generic.IEnumerable<T> collection, ref Microsoft.VisualStudio.TestTools.UnitTesting.Assert.AssertCountInterpolatedStringHandler<T> message, string collectionExpression = "");static member IsEmpty : seq<'T> * AssertCountInterpolatedStringHandler * string -> unitPublic Shared Sub IsEmpty(Of T) (collection As IEnumerable(Of T), ByRef message As Assert.AssertCountInterpolatedStringHandler(Of T), Optional collectionExpression As String = "")Type Parameters
- T
The type of the collection items.
Parameters
- collection
- IEnumerable<T>
The collection.
- message
- Assert.AssertCountInterpolatedStringHandler<T>
The message to display when the assertion fails.
- collectionExpression
- String
The syntactic expression of collection as given by the compiler via caller argument expression. Users shouldn't pass a value for this parameter.
Applies to
IsEmpty<T>(IEnumerable<T>, String, Object[])
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty<T>(System.Collections.Generic.IEnumerable<T> collection, string? message, params object?[]? parameters);static member IsEmpty : seq<'T> * string * obj[] -> unitPublic Shared Sub IsEmpty(Of T) (collection As IEnumerable(Of T), message As String, ParamArray parameters As Object())Type Parameters
- T
The type of the collection items.
Parameters
- collection
- IEnumerable<T>
The collection.
- message
- String
The message format to display when the assertion fails.
- parameters
- Object[]
The parameters to format the message.
Applies to
IsEmpty<T>(IEnumerable<T>, Assert.AssertCountInterpolatedStringHandler<T>)
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty<T>(System.Collections.Generic.IEnumerable<T> collection, ref Microsoft.VisualStudio.TestTools.UnitTesting.Assert.AssertCountInterpolatedStringHandler<T> message);static member IsEmpty : seq<'T> * AssertCountInterpolatedStringHandler -> unitPublic Shared Sub IsEmpty(Of T) (collection As IEnumerable(Of T), ByRef message As Assert.AssertCountInterpolatedStringHandler(Of T))Type Parameters
- T
The type of the collection items.
Parameters
- collection
- IEnumerable<T>
The collection.
- message
- Assert.AssertCountInterpolatedStringHandler<T>
The message to display when the assertion fails.
Applies to
IsEmpty<T>(IEnumerable<T>)
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty<T>(System.Collections.Generic.IEnumerable<T> collection);static member IsEmpty : seq<'T> -> unitPublic Shared Sub IsEmpty(Of T) (collection As IEnumerable(Of T))Type Parameters
- T
The type of the collection items.
Parameters
- collection
- IEnumerable<T>
The collection.
Applies to
IsEmpty<T>(IEnumerable<T>, String)
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
- Source:
- Assert.Count.cs
Tests that the collection is empty.
public static void IsEmpty<T>(System.Collections.Generic.IEnumerable<T> collection, string? message);static member IsEmpty : seq<'T> * string -> unitPublic Shared Sub IsEmpty(Of T) (collection As IEnumerable(Of T), message As String)Type Parameters
- T
The type of the collection items.
Parameters
- collection
- IEnumerable<T>
The collection.
- message
- String
The message to display when the assertion fails.
