wehub-resource-sync
71 lines
2.7 KiB
C#
71 lines
2.7 KiB
C#
/*
|
|
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
|
|
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
using System.Linq.Expressions;
|
|
using NUnit.Framework;
|
|
|
|
namespace QuantConnect.Tests.Common
|
|
{
|
|
[TestFixture]
|
|
public class BinaryComparisonTests
|
|
{
|
|
[Test]
|
|
[TestCase(ExpressionType.Equal, true, false)]
|
|
[TestCase(ExpressionType.NotEqual, false, true)]
|
|
[TestCase(ExpressionType.LessThan, false, true)]
|
|
[TestCase(ExpressionType.LessThanOrEqual, true, true)]
|
|
[TestCase(ExpressionType.GreaterThan, false, false)]
|
|
[TestCase(ExpressionType.GreaterThanOrEqual, true, false)]
|
|
public void EvaluatesComparison(ExpressionType type, bool expected1, bool expected2)
|
|
{
|
|
const int left1 = 1;
|
|
const int right1 = 1;
|
|
const int left2 = 2;
|
|
const int right2 = 3;
|
|
|
|
var comparison = BinaryComparison.FromExpressionType(type);
|
|
|
|
var actual1 = comparison.Evaluate(left1, right1);
|
|
Assert.AreEqual(expected1, actual1);
|
|
|
|
var actual2 = comparison.Evaluate(left2, right2);
|
|
Assert.AreEqual(expected2, actual2);
|
|
}
|
|
|
|
[Test]
|
|
[TestCase(ExpressionType.Equal, true, false)]
|
|
[TestCase(ExpressionType.NotEqual, false, true)]
|
|
[TestCase(ExpressionType.LessThan, false, false)]
|
|
[TestCase(ExpressionType.LessThanOrEqual, true, false)]
|
|
[TestCase(ExpressionType.GreaterThan, false, true)]
|
|
[TestCase(ExpressionType.GreaterThanOrEqual, true, true)]
|
|
public void EvaluatesFlippedOperandsComparison(ExpressionType type, bool expected1, bool expected2)
|
|
{
|
|
const int left1 = 1;
|
|
const int right1 = 1;
|
|
const int left2 = 2;
|
|
const int right2 = 3;
|
|
|
|
var comparison = BinaryComparison.FromExpressionType(type).FlipOperands();
|
|
|
|
var actual1 = comparison.Evaluate(left1, right1);
|
|
Assert.AreEqual(expected1, actual1);
|
|
|
|
var actual2 = comparison.Evaluate(left2, right2);
|
|
Assert.AreEqual(expected2, actual2);
|
|
}
|
|
}
|
|
}
|