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Verifies that the first string contains the second string. Displays a message if the assertion fails, and applies the specified formatting to it. This method is case sensitive.
Namespace: Microsoft.VisualStudio.TestTools.UnitTesting
Assembly: Microsoft.VisualStudio.QualityTools.UnitTestFramework (in Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll)
Syntax
'Declaration
Public Shared Sub Contains ( _
value As String, _
substring As String, _
message As String, _
ParamArray parameters As Object() _
)
public static void Contains(
string value,
string substring,
string message,
params Object[] parameters
)
public:
static void Contains(
String^ value,
String^ substring,
String^ message,
... array<Object^>^ parameters
)
static member Contains :
value:string *
substring:string *
message:string *
parameters:Object[] -> unit
public static function Contains(
value : String,
substring : String,
message : String,
... parameters : Object[]
)
Parameters
- value
Type: System.String
The string that is expected to contain substring.
- substring
Type: System.String
The string expected to occur within value.
- message
Type: System.String
A message to display if the assertion fails. This message can be seen in the unit test results.
- parameters
Type: array<System.Object[]
An array of parameters to use when formatting message.
Exceptions
Exception | Condition |
---|---|
AssertFailedException | substring is not found in value. |
Remarks
The assertion fails if the substring does not occur within the string.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.