Description

When Should().BeAssignableTo(...) fails, it leaves a confusing message.

Complete minimal example reproducing the issue

((object) null).Should().BeAssignableTo(typeof(string));

Expected behavior:

Expected an object assignable to System.String, but found <null> instead.

Actual behavior:

Expected type not to be System.String, but found <null>.

Versions

• Which version of Fluent Assertions are you using?

5.7.0

• Which .NET runtime and version are you targeting? E.g. .NET framework 4.6.1 or .NET Core 2.0.

.NET 4.6

Additional Information