NotContain Method (StringAssertions<TAssertions>)

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Asserts that a string does not contain another (fragment of a) string.

Syntax

public AndConstraint<TAssertions> NotContain( 
   string unexpected,
   string because,
   params object[] becauseArgs
)

unexpected: The (fragment of a) string that the current string should not contain.
because: A formatted phrase as is supported by System.String.Format(System.String,System.Object[]) explaining why the assertion is needed. If the phrase does not start with the word because, it is prepended automatically.
becauseArgs: Zero or more objects to format using the placeholders in because.

Exceptions

Exception	Description
	because
System.ArgumentNullException	unexpected is a null reference (Nothing in Visual Basic).
System.ArgumentException	unexpected is empty.

Permissions

Permission	Description
	because

Example

because

Supported Frameworks

because

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