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Assert::IsNull Method (Object^, String^, array<Object^>^)
Verifies that the specified object is null. The assertion fails if it is not null. Displays a message if the assertion fails, and applies the specified formatting to it.
Assembly: Microsoft.VisualStudio.QualityTools.UnitTestFramework (in Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll)
public: static void IsNull( Object^ value, String^ message, ... array<Object^>^ parameters )
Parameters
- value
-
Type:
System::Object^
The object to verify is null.
- 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.
| Exception | Condition |
|---|---|
| AssertFailedException | value is not null. |
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