Contract::Ensures Method (Boolean)
Specifies a postcondition contract for the enclosing method or property.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- condition
-
Type:
System::Boolean
The conditional expression to test. The expression may include OldValue<T>, ValueAtReturn<T>, and Result<T> values.
The condition parameter specifies a postcondition that is expected to be true when the enclosing method or property returns normally.
This method call must be at the beginning of a method or property, before any other code.
You must use the binary rewriter (available at Code Contracts on the MSDN DevLabs Web site) for run-time enforcement of this postcondition.
The following example shows how to use the Ensures method to ensure that an expected value is returned. This code example is part of a larger example provided for the ContractClassAttribute class.
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1