public void IfCollectionEmptyWithMessage([CanBeNull] IEnumerable collection)
{
var exception = Assert.Throws <DesignByContractViolationException>(
() => Fail.IfCollectionEmpty(collection, Violation.Of("collection cannot be null or empty"))
);
// ASSERT
Assert.That(exception.Message, Is.EqualTo("collection cannot be null or empty"));
}
public void IfCollectionEmpty()
{
IEnumerable <object> pusta = Enumerable.Empty <object>();
IEnumerable <object> nullowata = null;
IEnumerable <string> pełna = Enumerable.Repeat("element", 2);
Assert.Throws <DesignByContractViolationException>(
() => Fail.IfCollectionEmpty(pusta, "collection")
);
Assert.Throws <DesignByContractViolationException>(
// ReSharper disable once ExpressionIsAlwaysNull
() => Fail.IfCollectionEmpty(nullowata, "collection")
);
Fail.IfCollectionEmpty(pełna, "collection");
}
public void IfCollectionEmptySuccessWithMessage([NotNull] IEnumerable collection)
{
Fail.IfCollectionEmpty(collection, Violation.Of("collection cannot be null or empty"));
}
public void IfCollectionEmptySuccessWithName([NotNull] IEnumerable collection)
{
Fail.IfCollectionEmpty(collection, "collection");
}
public void IfCollectionEmptyWithName([CanBeNull] IEnumerable collection)
{
Assert.Throws <DesignByContractViolationException>(
() => Fail.IfCollectionEmpty(collection, nameof(collection))
);
}
