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EmptyString Constraint

docs/articles/nunit/writing-tests/constraints/EmptyStringConstraint.md

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EmptyString Constraint

The EmptyStringConstraint tests if a string is empty.

Constructor

csharp
EmptyStringConstraint()

Syntax

csharp
Is.Empty

Examples of Use

csharp
Assert.That(string.Empty, Is.Empty);
Assert.That("A String", Is.Not.Empty);

[!NOTE] Is.Empty actually creates an EmptyConstraint. Subsequently applying it to a string causes an EmptyStringConstraint to be created.