b1b1f02e6f
git-svn-id: file:///srv/devel/repo-conversion/nusu@314 d2e56fa2-650e-0410-a79f-9358c0239efd
125 lines
3.5 KiB
C#
125 lines
3.5 KiB
C#
#region CPL License
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/*
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Nuclex Framework
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Copyright (C) 2002-2014 Nuclex Development Labs
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This library is free software; you can redistribute it and/or
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modify it under the terms of the IBM Common Public License as
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published by the IBM Corporation; either version 1.0 of the
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License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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IBM Common Public License for more details.
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You should have received a copy of the IBM Common Public
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License along with this library
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*/
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#endregion
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#if UNITTEST
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using System;
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using System.IO;
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using NUnit.Framework;
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namespace Nuclex.Support {
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/// <summary>Unit Test for the enumeration helper class</summary>
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[TestFixture]
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internal class EnumHelperTest {
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#region enum TestEnumeration
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/// <summary>An enumeration used for unit testing</summary>
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internal enum TestEnumeration {
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/// <summary>First arbitrary enumeration value</summary>
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One = -2,
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/// <summary>Third arbitrary enumeration value</summary>
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Three = 33,
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/// <summary>Second arbitrary enumeration value</summary>
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Two = 23
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}
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#endregion // enum TestEnumeration
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#region enum EmptyEnumeration
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internal enum EmptyEnumeration { }
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#endregion // enum EmptyEnumeration
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/// <summary>
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/// Verifies that the enum helper can list the members of an enumeration
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/// </summary>
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[Test]
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public void TestGetValues() {
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CollectionAssert.AreEquivalent(
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new TestEnumeration[] {
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TestEnumeration.One, TestEnumeration.Two, TestEnumeration.Three
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},
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EnumHelper.GetValues<TestEnumeration>()
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);
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}
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/// <summary>
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/// Verifies that the enum helper can locate the highest value in an enumeration
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/// </summary>
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[Test]
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public void TestGetHighestValue() {
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Assert.AreEqual(
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TestEnumeration.Three, EnumHelper.GetHighestValue<TestEnumeration>()
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);
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}
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/// <summary>
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/// Verifies that the enum helper can locate the lowest value in an enumeration
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/// </summary>
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[Test]
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public void TestGetLowestValue() {
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Assert.AreEqual(
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TestEnumeration.One, EnumHelper.GetLowestValue<TestEnumeration>()
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);
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}
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/// <summary>
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/// Tests whether an exception is thrown if the GetValues() method is used on
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/// a non-enumeration type
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/// </summary>
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[Test]
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public void TestThrowOnNonEnumType() {
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Assert.Throws<ArgumentException>(
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delegate() { EnumHelper.GetValues<int>(); }
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);
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}
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/// <summary>
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/// Verifies that the default value for an enumeration is returned if
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/// the GetLowestValue() method is used on an empty enumeration
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/// </summary>
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[Test]
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public void TestLowestValueInEmptyEnumeration() {
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Assert.AreEqual(
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default(EmptyEnumeration), EnumHelper.GetLowestValue<EmptyEnumeration>()
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);
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}
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/// <summary>
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/// Verifies that the default value for an enumeration is returned if
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/// the GetHighestValue() method is used on an empty enumeration
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/// </summary>
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[Test]
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public void TestHighestValueInEmptyEnumeration() {
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Assert.AreEqual(
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default(EmptyEnumeration), EnumHelper.GetHighestValue<EmptyEnumeration>()
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);
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}
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}
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} // namespace Nuclex.Support
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#endif // UNITTEST
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