// ***********************************************************************
// Copyright (c) 2007 Charlie Poole
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ***********************************************************************
#define PORTABLE
#define TIZEN
#define NUNIT_FRAMEWORK
#define NUNITLITE
#define NET_4_5
#define PARALLEL
using System;
using System.Collections;
namespace NUnit.Framework.Constraints
{
///
/// CollectionSupersetConstraint is used to determine whether
/// one collection is a superset of another
///
public class CollectionSupersetConstraint : CollectionItemsEqualConstraint
{
private IEnumerable _expected;
///
/// Construct a CollectionSupersetConstraint
///
/// The collection that the actual value is expected to be a superset of
public CollectionSupersetConstraint(IEnumerable expected)
: base(expected)
{
_expected = expected;
}
///
/// The display name of this Constraint for use by ToString().
/// The default value is the name of the constraint with
/// trailing "Constraint" removed. Derived classes may set
/// this to another name in their constructors.
///
public override string DisplayName { get { return "SupersetOf"; } }
///
/// The Description of what this constraint tests, for
/// use in messages and in the ConstraintResult.
///
public override string Description
{
get { return "superset of " + MsgUtils.FormatValue(_expected); }
}
///
/// Test whether the actual collection is a superset of
/// the expected collection provided.
///
///
///
protected override bool Matches(IEnumerable actual)
{
return Tally(actual).TryRemove(_expected);
}
///
/// Flag the constraint to use the supplied predicate function
///
/// The comparison function to use.
/// Self.
public CollectionSupersetConstraint Using(Func comparison)
{
// internal code reverses the expected order of the arguments.
Func invertedComparison = (actual, expected) => comparison.Invoke(expected, actual);
base.Using(EqualityAdapter.For(invertedComparison));
return this;
}
}
}