public void IfNullOrNotCastableWithMessage()
{
// ARRANGE
object somethingNotCastable = new object();
// ACT
var exception = Assert.Throws <DesignByContractViolationException>(
() => Fail.IfNullOrNotCastable <IQueryable>(somethingNotCastable, Violation.Of("wrong type"))
);
// ASSERT
Assert.That(exception.Message, Is.EqualTo("wrong type"));
}
public void IfNullOrNotCastable()
{
// ARRANGE
object somethingNotCastable = new object();
// ACT
var exception = Assert.Throws <DesignByContractViolationException>(
() => Fail.IfNullOrNotCastable <IQueryable>(somethingNotCastable)
);
// ASSERT
Assert.That(exception.Message, Is.EqualTo("Expected object of type 'System.Linq.IQueryable' but was 'System.Object'"));
}
public void IfNullOrNotCastableWithNull()
{
// ARRANGE
object somethingNotCastable = null;
// ACT
var exception = Assert.Throws <DesignByContractViolationException>(
// ReSharper disable once ExpressionIsAlwaysNull
() => Fail.IfNullOrNotCastable <IQueryable>(somethingNotCastable)
);
// ASSERT
Assert.That(exception.Message, Is.EqualTo("Expected object of type 'System.Linq.IQueryable' but was 'null'"));
}
public void IfNullOrNotCastableSuccessWithMessage()
{
Fail.IfNullOrNotCastable <IList <string> >(new List <string>(), Violation.Of("wrong type"));
}
public void IfNullOrNotCastableSuccess()
{
Fail.IfNullOrNotCastable <IList <string> >(new List <string>());
}
