public void Returns_defined_error_message_if_unsuccessfully_evaluated()
{
var req = new PredicateRequirement <object>(t => false);
req.Message = "X";
Assert.Equal("X", req.Check(new object()).First().Message);
}
public static IRequirementList <T, bool> IsFalse <T>(this IRequirementList <T, bool> list)
{
var predicateRequirement = new PredicateRequirement <bool>(t => !t);
predicateRequirement.Message = "Must be false";
list.Add(predicateRequirement);
return(list);
}
public static IRequirementList <T, TProperty> Satisfies <T, TProperty>(this IRequirementList <T, TProperty> list,
Func <T, TProperty, bool> predicate, string message = null)
{
var req = new PredicateRequirement <T, TProperty>(predicate);
req.Message = message ?? req.Message;
list.Add(req);
return(list);
}
public void Requirement_without_context_passes_default_context_to_predicate() {
object receivedContext = null;
var req = new PredicateRequirement<object, object>((context, t) => {
receivedContext = context;
return true;
});
Assert.Empty(req.Check(new object()));
Assert.Same(null, receivedContext);
}
public void Requirement_without_context_passes_default_context_to_predicate()
{
object receivedContext = null;
var req = new PredicateRequirement <object, object>((context, t) => {
receivedContext = context;
return(true);
});
Assert.Empty(req.Check(new object()));
Assert.Same(null, receivedContext);
}
public void Successful_predicate_evaluation_returns_empty_enumeration() {
var req = new PredicateRequirement<object>(t => true);
Assert.Empty(req.Check(new object()));
}
public void Returns_defined_error_message_if_unsuccessfully_evaluated() {
var req = new PredicateRequirement<object>(t => false);
req.Message = "X";
Assert.Equal("X",req.Check(new object()).First().Message);
}
public void Successful_predicate_evaluation_returns_empty_enumeration()
{
var req = new PredicateRequirement <object>(t => true);
Assert.Empty(req.Check(new object()));
}
