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StringAssert.Contains Method (String, String, String, Object[])

Verifies that the first string contains the second string. Displays a message if the assertion fails, and applies the specified formatting to it.

Namespace: Microsoft.VisualStudio.TestTools.UnitTesting
Assembly: Microsoft.VisualStudio.QualityTools.UnitTestFramework (in microsoft.visualstudio.qualitytools.unittestframework.dll)

public static void Contains (
	string value,
	string substring,
	string message,
	params Object[] parameters
public static void Contains (
	String value, 
	String substring, 
	String message, 
	Object[] parameters
public static function Contains (
	value : String, 
	substring : String, 
	message : String, 
	... parameters : Object[]



The string that is expected to contain substring.


The string expected to occur within value.


A message to display if the assertion fails. This message can be seen in the unit test results.


An array of parameters to use when formatting message.

Exception typeCondition


substring is not found in value.

The assertion fails if the substring does not occur within the string.