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<h2>Utility Methods</h2>
<p>Two utility methods, Fail() and Ignore() are provided in order to allow more
direct control of the test process:</p>
<div class="code" style="width: 36em">
<pre>Assert.Fail();
Assert.Fail( string message );
Assert.Fail( string message, object[] parms );
Assert.Ignore();
Assert.Ignore( string message );
Assert.Ignore( string message, object[] parms );</pre>
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<p>The Assert.Fail method provides you with the ability to generate 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>public void AssertStringContains( string expected, string actual )
{
AssertStringContains( expected, actual, string.Empty );
}
public void AssertStringContains( string expected, string actual,
string message )
{
if ( actual.IndexOf( expected ) < 0 )
Assert.Fail( message );
}</pre>
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<p>The Assert.Ignore method provides you with the ability to dynamically cause a
test or suite to be ignored at runtime. It may be called in a test, setup or
fixture setup method. We recommend that you use this only in isolated cases.
The category facility is provided for more extensive inclusion or exclusion of
tests or you may elect to simply divide tests run on different occasions into
different assemblies.</p>
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