[AsyncStateMachine(FluentAssertions.ExceptionAssertionsExtensions/d__0`1)] 
[DebuggerStepThrough()] 
[Extension()] 
public static Task<ExceptionAssertions<TException>> WithMessage<TException>( 
   Task<ExceptionAssertions<TException>> task, 
   string expectedWildcardPattern, 
   string because, 
   params object[] becauseArgs 
) 
where TException: Exception

Parameters

task

The FluentAssertions.Specialized.ExceptionAssertions<TException> containing the thrown exception.

expectedWildcardPattern

The wildcard pattern with which the exception message is matched, where * and ? have special meanings.

because

A formatted phrase as is supported by System.String.Format(System.String,System.Object[]) explaining why the assertion is needed. If the phrase does not start with the word because, it is prepended automatically.

becauseArgs

Zero or more objects to format using the placeholders in because.

Type Parameters

TException

.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.

.NET Standard: netstandard2.0, netstandard2.1.

.NET Framework: net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.

Reference

ExceptionAssertionsExtensions Class
ExceptionAssertionsExtensions Members