#region Copyright (c) 2009 S. van Deursen
/* The CuttingEdge.Conditions library enables developers to validate pre- and postconditions in a fluent
* manner.
*
* To contact me, please visit my blog at http://www.cuttingedge.it/blogs/steven/
*
* Copyright (c) 2009 S. van Deursen
*
* 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.
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace CuttingEdge.Conditions.UnitTests.CollectionTests
{
/// <summary>
/// Tests the ValidatorExtensions.IsLongerOrEqual method.
/// </summary>
[TestClass]
public class CollectionIsLongerOrEqualTests
{
[TestMethod]
[ExpectedException(typeof(ArgumentException))]
[Description("Calling IsLongerOrEqual(1) with a collection containing no elements should fail.")]
public void CollectionIsLongerOrEqualTest01()
{
// HashSet only implements generic ICollection<T>, no ICollection.
HashSet<int> set = new HashSet<int>();
Condition.Requires(set).IsLongerOrEqual(1);
}
[TestMethod]
[Description("Calling IsLongerOrEqual(0) with a collection containing no elements should pass.")]
public void CollectionIsLongerOrEqualTest02()
{
// HashSet only implements generic ICollection<T>, no ICollection.
HashSet<int> set = new HashSet<int>();
Condition.Requires(set).IsLongerOrEqual(0);
}
[TestMethod]
[Description("Calling IsLongerOrEqual(-1) with a collection containing no elements should pass.")]
public void CollectionIsLongerOrEqualTest03()
{
// HashSet only implements generic ICollection<T>, no ICollection.
HashSet<int> set = new HashSet<int>();
Condition.Requires(set).IsLongerOrEqual(-1);
}
[TestMethod]
[Description("Calling IsLongerOrEqual(1) with a collection containing one element should pass.")]
public void CollectionIsLongerOrEqualTest04()
{
// HashSet only implements generic ICollection<T>, no ICollection.
HashSet<int> set = new HashSet<int> { 1 };
Condition.Requires(set).IsLongerOrEqual(1);
}
[TestMethod]
[Description("Calling IsLongerOrEqual(0) with a collection containing one element should pass.")]
public void CollectionIsLongerOrEqualTest05()
{
// HashSet only implements generic ICollection<T>, no ICollection.
HashSet<int> set = new HashSet<int> { 1 };
Condition.Requires(set).IsLongerOrEqual(0);
}
[TestMethod]
[Description("Calling IsLongerOrEqual(1) with an ArrayList containing one element should pass.")]
public void CollectionIsLongerOrEqualTest06()
{
// ArrayList implements ICollection.
ArrayList list = new ArrayList { 1 };
Condition.Requires(list).IsLongerOrEqual(1);
}
[TestMethod]
[ExpectedException(typeof(ArgumentException))]
[Description("Calling IsLongerOrEqual(2) with an ArrayList containing one element should fail.")]
public void CollectionIsLongerOrEqualTest07()
{
// ArrayList implements ICollection.
ArrayList list = new ArrayList { 1 };
Condition.Requires(list).IsLongerOrEqual(2);
}
[TestMethod]
[Description("Calling IsLongerOrEqual(0) on a null reference should pass.")]
public void CollectionIsLongerOrEqualTest08()
{
IEnumerable list = null;
Condition.Requires(list).IsLongerOrEqual(0);
}
[TestMethod]
[ExpectedException(typeof(ArgumentNullException))]
[Description("Calling IsLongerOrEqual(1) on a null reference should fail.")]
public void CollectionIsLongerOrEqualTest09()
{
IEnumerable list = null;
Condition.Requires(list).IsLongerOrEqual(1);
}
[TestMethod]
[Description("Calling IsLongerOrEqual with the condtionDescription parameter should pass.")]
public void CollectionIsLongerOrEqualTest10()
{
IEnumerable list = null;
Condition.Requires(list).IsLongerOrEqual(0, string.Empty);
}
[TestMethod]
[Description("Calling a failing IsLongerOrEqual should throw an Exception with an exception message that contains the given parameterized condition description argument.")]
public void CollectionIsLongerOrEqualTest11()
{
IEnumerable list = null;
try
{
Condition.Requires(list, "list").IsLongerOrEqual(1, "abc {0} def");
}
catch (ArgumentException ex)
{
Assert.IsTrue(ex.Message.Contains("abc list def"));
}
}
[TestMethod]
[Description("Calling IsLongerOrEqual(1) with a collection containing no elements should succeed when exceptions are suppressed.")]
public void CollectionIsLongerOrEqualTest12()
{
// HashSet only implements generic ICollection<T>, no ICollection.
HashSet<int> set = new HashSet<int>();
Condition.Requires(set).SuppressExceptionsForTest().IsLongerOrEqual(1);
}
}
}