private static MultiAssertion <T> Within <T>(this MultiAssertion <T> assertion, uint?min, uint?max, Action <IAssertion <T> > handler)
{
assertion.Handle(items =>
{
var matches = 0;
foreach (var item in items)
{
var itemAssertion = new Assertion <T>(item);
try
{
handler(itemAssertion);
matches++;
}
catch
{
// ignored
}
if (max != null && matches > max)
{
throw new AssertionException($"Item matched too many times. Expected {max} times.");
}
}
if (min != null && matches < min)
{
throw new AssertionException($"Item matched too few times. Expected {min} times.");
}
});
return(assertion);
}
public static MultiAssertion <T> All <T>(this MultiAssertion <T> assertion, Action <IAssertion <T> > handler)
{
assertion.Handle(items =>
{
foreach (var item in items)
{
var itemAssertion = new Assertion <T>(item);
try
{
handler(itemAssertion);
}
catch
{
throw new AssertionException("Not all items matched condition");
}
}
});
return(assertion);
}
public static MultiAssertion <T> None <T>(this MultiAssertion <T> assertion, Action <IAssertion <T> > handler)
{
assertion.Handle(items =>
{
foreach (var item in items)
{
var itemAssertion = new Assertion <T>(item);
try
{
handler(itemAssertion);
}
catch
{
continue;
}
throw new AssertionException("An item met a condition it was not supposed to.");
}
});
return(assertion);
}
public static MultiAssertion <T> Between <T>(this MultiAssertion <T> assertion, uint min, uint max, Action <IAssertion <T> > handler)
{
return(assertion.Within(min, max, handler));
}
public static MultiAssertion <T> AtMost <T>(this MultiAssertion <T> assertion, uint times, Action <IAssertion <T> > handler)
{
return(assertion.Within(null, times, handler));
}
public static MultiAssertion <T> Exactly <T>(this MultiAssertion <T> assertion, uint times, Action <IAssertion <T> > handler)
{
return(assertion.Within(times, times, handler));
}
