 a failure based
	on tests that are not encapsulated by the other methods. It is also useful in
	developing your own project-specific assertions.</p>
<p>Here's an example of its use to create a private assertion that tests whether a
	string contains an expected value.</p>
<div class="code" style="width: 36em">
	<pre class="prettyprint">public void AssertStringContains( string expected, string actual )
{
    AssertStringContains( expected, actual, string.Empty );
}

public void AssertStringContains( string e