2009-04-21 Asserting with Exceptions

2009-04-21 asserting-with-exceptions

# Title: Asserting with Exceptions
# Author: Mikael Lundin
# Link: http://blog.mikaellundin.name/2009/04/21/asserting-with-exceptions.html

Reverse1.cs

public string Reverse(string argument)
{
    argument.AssertThat(s => s != null, 
        "Failed assertion: Argument was null");
    // ... logic ...
    // return result;
}

Reverse2.cs

public string Reverse(string argument)
{
    if (argument == null)
        throw new ArgumentNullException("argument");

    // ... logic ...
    // return result;
}