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Changed license to Apache License 2.0

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Markus Ewald 2024-06-13 18:36:21 +02:00 • committed by cygon
parent d3bf0be9d7
commit 9f36d71529
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Source/IntegerHelper.Test.cs
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@ -1,130 +1,129 @@
#region CPL License
/*
Nuclex Framework
Copyright (C) 2002-2017 Nuclex Development Labs
This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.
You should have received a copy of the IBM Common Public
License along with this library
*/
#endregion
#if UNITTEST
using System;
using System.Collections.Generic;
using NUnit.Framework;
namespace Nuclex.Support {
/// <summary>Contains unit tests for the integer helper class</summary>
[TestFixture]
internal class IntegerHelperTest {
/// <summary>
/// Verifies that the next power of 2 calculation works for long integers
/// </summary>
[Test]
public void TestNextPowerOf2ULong() {
Assert.AreEqual(1UL, IntegerHelper.NextPowerOf2(0UL));
Assert.AreEqual(1UL, IntegerHelper.NextPowerOf2(1UL));
Assert.AreEqual(2UL, IntegerHelper.NextPowerOf2(2UL));
Assert.AreEqual(4UL, IntegerHelper.NextPowerOf2(3UL));
Assert.AreEqual(4UL, IntegerHelper.NextPowerOf2(4UL));
Assert.AreEqual(
9223372036854775808UL, IntegerHelper.NextPowerOf2(4611686018427387905UL)
);
Assert.AreEqual(
9223372036854775808UL, IntegerHelper.NextPowerOf2(9223372036854775807UL)
);
Assert.AreEqual(
9223372036854775808UL, IntegerHelper.NextPowerOf2(9223372036854775808UL)
);
}
/// <summary>
/// Verifies that the next power of 2 calculation works for long integers
/// </summary>
[Test]
public void TestNextPowerOf2Long() {
Assert.AreEqual(1L, IntegerHelper.NextPowerOf2(0L));
Assert.AreEqual(1L, IntegerHelper.NextPowerOf2(1L));
Assert.AreEqual(2L, IntegerHelper.NextPowerOf2(2L));
Assert.AreEqual(4L, IntegerHelper.NextPowerOf2(3L));
Assert.AreEqual(4L, IntegerHelper.NextPowerOf2(4L));
Assert.AreEqual(4611686018427387904L, IntegerHelper.NextPowerOf2(2305843009213693953L));
Assert.AreEqual(4611686018427387904L, IntegerHelper.NextPowerOf2(4611686018427387903L));
Assert.AreEqual(4611686018427387904L, IntegerHelper.NextPowerOf2(4611686018427387904L));
}
/// <summary>
/// Verifies that the next power of 2 calculation works for integers
/// </summary>
[Test]
public void TestNextPowerOf2UInt() {
Assert.AreEqual(1U, IntegerHelper.NextPowerOf2(0U));
Assert.AreEqual(1U, IntegerHelper.NextPowerOf2(1U));
Assert.AreEqual(2U, IntegerHelper.NextPowerOf2(2U));
Assert.AreEqual(4U, IntegerHelper.NextPowerOf2(3U));
Assert.AreEqual(4U, IntegerHelper.NextPowerOf2(4U));
Assert.AreEqual(2147483648U, IntegerHelper.NextPowerOf2(1073741825U));
Assert.AreEqual(2147483648U, IntegerHelper.NextPowerOf2(2147483647U));
Assert.AreEqual(2147483648U, IntegerHelper.NextPowerOf2(2147483648U));
}
/// <summary>
/// Verifies that the next power of 2 calculation works for integers
/// </summary>
[Test]
public void TestNextPowerOf2Int() {
Assert.AreEqual(1, IntegerHelper.NextPowerOf2(0));
Assert.AreEqual(1, IntegerHelper.NextPowerOf2(1));
Assert.AreEqual(2, IntegerHelper.NextPowerOf2(2));
Assert.AreEqual(4, IntegerHelper.NextPowerOf2(3));
Assert.AreEqual(4, IntegerHelper.NextPowerOf2(4));
Assert.AreEqual(1073741824, IntegerHelper.NextPowerOf2(536870913));
Assert.AreEqual(1073741824, IntegerHelper.NextPowerOf2(1073741823));
Assert.AreEqual(1073741824, IntegerHelper.NextPowerOf2(1073741824));
}
/// <summary>Verifies that the bit counting method for integers works</summary>
[Test]
public void TestCountBitsInInteger() {
Assert.AreEqual(0, IntegerHelper.CountBits(0));
Assert.AreEqual(32, IntegerHelper.CountBits(-1));
Assert.AreEqual(16, IntegerHelper.CountBits(0x55555555));
Assert.AreEqual(16, IntegerHelper.CountBits(0xAAAAAAAA));
for (int bitIndex = 0; bitIndex < 32; ++bitIndex) {
Assert.AreEqual(1, IntegerHelper.CountBits(1 << bitIndex));
}
}
/// <summary>Verifies that the bit counting method for long integers works</summary>
[Test]
public void TestCountBitsInLongInteger() {
Assert.AreEqual(0, IntegerHelper.CountBits(0L));
Assert.AreEqual(64, IntegerHelper.CountBits(-1L));
Assert.AreEqual(32, IntegerHelper.CountBits(0x5555555555555555));
Assert.AreEqual(32, IntegerHelper.CountBits(0xAAAAAAAAAAAAAAAA));
for (int bitIndex = 0; bitIndex < 64; ++bitIndex) {
Assert.AreEqual(1, IntegerHelper.CountBits(1 << bitIndex));
}
}
}
} // namespace Nuclex.Support
#endif // UNITTEST
#region Apache License 2.0
/*
Nuclex .NET Framework
Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
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.
*/
#endregion // Apache License 2.0
#if UNITTEST
using System;
using System.Collections.Generic;
using NUnit.Framework;
namespace Nuclex.Support {
/// <summary>Contains unit tests for the integer helper class</summary>
[TestFixture]
internal class IntegerHelperTest {
/// <summary>
/// Verifies that the next power of 2 calculation works for long integers
/// </summary>
[Test]
public void TestNextPowerOf2ULong() {
Assert.AreEqual(1UL, IntegerHelper.NextPowerOf2(0UL));
Assert.AreEqual(1UL, IntegerHelper.NextPowerOf2(1UL));
Assert.AreEqual(2UL, IntegerHelper.NextPowerOf2(2UL));
Assert.AreEqual(4UL, IntegerHelper.NextPowerOf2(3UL));
Assert.AreEqual(4UL, IntegerHelper.NextPowerOf2(4UL));
Assert.AreEqual(
9223372036854775808UL, IntegerHelper.NextPowerOf2(4611686018427387905UL)
);
Assert.AreEqual(
9223372036854775808UL, IntegerHelper.NextPowerOf2(9223372036854775807UL)
);
Assert.AreEqual(
9223372036854775808UL, IntegerHelper.NextPowerOf2(9223372036854775808UL)
);
}
/// <summary>
/// Verifies that the next power of 2 calculation works for long integers
/// </summary>
[Test]
public void TestNextPowerOf2Long() {
Assert.AreEqual(1L, IntegerHelper.NextPowerOf2(0L));
Assert.AreEqual(1L, IntegerHelper.NextPowerOf2(1L));
Assert.AreEqual(2L, IntegerHelper.NextPowerOf2(2L));
Assert.AreEqual(4L, IntegerHelper.NextPowerOf2(3L));
Assert.AreEqual(4L, IntegerHelper.NextPowerOf2(4L));
Assert.AreEqual(4611686018427387904L, IntegerHelper.NextPowerOf2(2305843009213693953L));
Assert.AreEqual(4611686018427387904L, IntegerHelper.NextPowerOf2(4611686018427387903L));
Assert.AreEqual(4611686018427387904L, IntegerHelper.NextPowerOf2(4611686018427387904L));
}
/// <summary>
/// Verifies that the next power of 2 calculation works for integers
/// </summary>
[Test]
public void TestNextPowerOf2UInt() {
Assert.AreEqual(1U, IntegerHelper.NextPowerOf2(0U));
Assert.AreEqual(1U, IntegerHelper.NextPowerOf2(1U));
Assert.AreEqual(2U, IntegerHelper.NextPowerOf2(2U));
Assert.AreEqual(4U, IntegerHelper.NextPowerOf2(3U));
Assert.AreEqual(4U, IntegerHelper.NextPowerOf2(4U));
Assert.AreEqual(2147483648U, IntegerHelper.NextPowerOf2(1073741825U));
Assert.AreEqual(2147483648U, IntegerHelper.NextPowerOf2(2147483647U));
Assert.AreEqual(2147483648U, IntegerHelper.NextPowerOf2(2147483648U));
}
/// <summary>
/// Verifies that the next power of 2 calculation works for integers
/// </summary>
[Test]
public void TestNextPowerOf2Int() {
Assert.AreEqual(1, IntegerHelper.NextPowerOf2(0));
Assert.AreEqual(1, IntegerHelper.NextPowerOf2(1));
Assert.AreEqual(2, IntegerHelper.NextPowerOf2(2));
Assert.AreEqual(4, IntegerHelper.NextPowerOf2(3));
Assert.AreEqual(4, IntegerHelper.NextPowerOf2(4));
Assert.AreEqual(1073741824, IntegerHelper.NextPowerOf2(536870913));
Assert.AreEqual(1073741824, IntegerHelper.NextPowerOf2(1073741823));
Assert.AreEqual(1073741824, IntegerHelper.NextPowerOf2(1073741824));
}
/// <summary>Verifies that the bit counting method for integers works</summary>
[Test]
public void TestCountBitsInInteger() {
Assert.AreEqual(0, IntegerHelper.CountBits(0));
Assert.AreEqual(32, IntegerHelper.CountBits(-1));
Assert.AreEqual(16, IntegerHelper.CountBits(0x55555555));
Assert.AreEqual(16, IntegerHelper.CountBits(0xAAAAAAAA));
for (int bitIndex = 0; bitIndex < 32; ++bitIndex) {
Assert.AreEqual(1, IntegerHelper.CountBits(1 << bitIndex));
}
}
/// <summary>Verifies that the bit counting method for long integers works</summary>
[Test]
public void TestCountBitsInLongInteger() {
Assert.AreEqual(0, IntegerHelper.CountBits(0L));
Assert.AreEqual(64, IntegerHelper.CountBits(-1L));
Assert.AreEqual(32, IntegerHelper.CountBits(0x5555555555555555));
Assert.AreEqual(32, IntegerHelper.CountBits(0xAAAAAAAAAAAAAAAA));
for (int bitIndex = 0; bitIndex < 64; ++bitIndex) {
Assert.AreEqual(1, IntegerHelper.CountBits(1 << bitIndex));
}
}
}
} // namespace Nuclex.Support
#endif // UNITTEST