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Int32Tests.GenericMath.cs
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Int32Tests.GenericMath.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Globalization;
using System.Runtime.InteropServices;
using Xunit;
namespace System.Tests
{
public class Int32Tests_GenericMath
{
//
// IAdditionOperators
//
[Fact]
public static void op_AdditionTest()
{
Assert.Equal((int)0x00000001, AdditionOperatorsHelper<int, int, int>.op_Addition((int)0x00000000, 1));
Assert.Equal((int)0x00000002, AdditionOperatorsHelper<int, int, int>.op_Addition((int)0x00000001, 1));
Assert.Equal(unchecked((int)0x80000000), AdditionOperatorsHelper<int, int, int>.op_Addition((int)0x7FFFFFFF, 1));
Assert.Equal(unchecked((int)0x80000001), AdditionOperatorsHelper<int, int, int>.op_Addition(unchecked((int)0x80000000), 1));
Assert.Equal((int)0x00000000, AdditionOperatorsHelper<int, int, int>.op_Addition(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void op_CheckedAdditionTest()
{
Assert.Equal((int)0x00000001, AdditionOperatorsHelper<int, int, int>.op_CheckedAddition((int)0x00000000, 1));
Assert.Equal((int)0x00000002, AdditionOperatorsHelper<int, int, int>.op_CheckedAddition((int)0x00000001, 1));
Assert.Equal(unchecked((int)0x80000001), AdditionOperatorsHelper<int, int, int>.op_CheckedAddition(unchecked((int)0x80000000), 1));
Assert.Equal((int)0x00000000, AdditionOperatorsHelper<int, int, int>.op_CheckedAddition(unchecked((int)0xFFFFFFFF), 1));
Assert.Throws<OverflowException>(() => AdditionOperatorsHelper<int, int, int>.op_CheckedAddition((int)0x7FFFFFFF, 1));
}
//
// IAdditiveIdentity
//
[Fact]
public static void AdditiveIdentityTest()
{
Assert.Equal((int)0x00000000, AdditiveIdentityHelper<int, int>.AdditiveIdentity);
}
//
// IBinaryInteger
//
[Fact]
public static void DivRemTest()
{
Assert.Equal(((int)0x00000000, (int)0x00000000), BinaryIntegerHelper<int>.DivRem((int)0x00000000, 2));
Assert.Equal(((int)0x00000000, (int)0x00000001), BinaryIntegerHelper<int>.DivRem((int)0x00000001, 2));
Assert.Equal(((int)0x3FFFFFFF, (int)0x00000001), BinaryIntegerHelper<int>.DivRem((int)0x7FFFFFFF, 2));
Assert.Equal((unchecked((int)0xC0000000), (int)0x00000000), BinaryIntegerHelper<int>.DivRem(unchecked((int)0x80000000), 2));
Assert.Equal(((int)0x00000000, unchecked((int)0xFFFFFFFF)), BinaryIntegerHelper<int>.DivRem(unchecked((int)0xFFFFFFFF), 2));
}
[Fact]
public static void LeadingZeroCountTest()
{
Assert.Equal((int)0x00000020, BinaryIntegerHelper<int>.LeadingZeroCount((int)0x00000000));
Assert.Equal((int)0x0000001F, BinaryIntegerHelper<int>.LeadingZeroCount((int)0x00000001));
Assert.Equal((int)0x00000001, BinaryIntegerHelper<int>.LeadingZeroCount((int)0x7FFFFFFF));
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.LeadingZeroCount(unchecked((int)0x80000000)));
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.LeadingZeroCount(unchecked((int)0xFFFFFFFF)));
}
[Fact]
public static void PopCountTest()
{
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.PopCount((int)0x00000000));
Assert.Equal((int)0x00000001, BinaryIntegerHelper<int>.PopCount((int)0x00000001));
Assert.Equal((int)0x0000001F, BinaryIntegerHelper<int>.PopCount((int)0x7FFFFFFF));
Assert.Equal((int)0x00000001, BinaryIntegerHelper<int>.PopCount(unchecked((int)0x80000000)));
Assert.Equal((int)0x00000020, BinaryIntegerHelper<int>.PopCount(unchecked((int)0xFFFFFFFF)));
}
[Fact]
public static void RotateLeftTest()
{
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.RotateLeft((int)0x00000000, 1));
Assert.Equal((int)0x00000002, BinaryIntegerHelper<int>.RotateLeft((int)0x00000001, 1));
Assert.Equal(unchecked((int)0xFFFFFFFE), BinaryIntegerHelper<int>.RotateLeft((int)0x7FFFFFFF, 1));
Assert.Equal((int)0x00000001, BinaryIntegerHelper<int>.RotateLeft(unchecked((int)0x80000000), 1));
Assert.Equal(unchecked((int)0xFFFFFFFF), BinaryIntegerHelper<int>.RotateLeft(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void RotateRightTest()
{
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.RotateRight((int)0x00000000, 1));
Assert.Equal(unchecked((int)0x80000000), BinaryIntegerHelper<int>.RotateRight((int)0x00000001, 1));
Assert.Equal(unchecked((int)0xBFFFFFFF), BinaryIntegerHelper<int>.RotateRight((int)0x7FFFFFFF, 1));
Assert.Equal((int)0x40000000, BinaryIntegerHelper<int>.RotateRight(unchecked((int)0x80000000), 1));
Assert.Equal(unchecked((int)0xFFFFFFFF), BinaryIntegerHelper<int>.RotateRight(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void TrailingZeroCountTest()
{
Assert.Equal((int)0x00000020, BinaryIntegerHelper<int>.TrailingZeroCount((int)0x00000000));
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.TrailingZeroCount((int)0x00000001));
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.TrailingZeroCount((int)0x7FFFFFFF));
Assert.Equal((int)0x0000001F, BinaryIntegerHelper<int>.TrailingZeroCount(unchecked((int)0x80000000)));
Assert.Equal((int)0x00000000, BinaryIntegerHelper<int>.TrailingZeroCount(unchecked((int)0xFFFFFFFF)));
}
[Fact]
public static void TryReadBigEndianByteTest()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_007F, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_00FF, result);
}
[Fact]
public static void TryReadBigEndianInt16Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0100, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_7FFF, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00 }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_8000), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadBigEndianInt32Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0100_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal((int)0x7FFF_FFFF, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0x8000_0000), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadBigEndianInt64Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadBigEndianInt96Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadBigEndianInt128Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadBigEndianSByteTest()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_007F, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80 }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF80), result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadBigEndianUInt16Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0100, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_7FFF, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_8000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_FF7F, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_FFFF, result);
}
[Fact]
public static void TryReadBigEndianUInt32Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0100_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x7FFF_FFFF, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void TryReadBigEndianUInt64Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void TryReadBigEndianUInt96Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void TryReadBigEndianUInt128Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadBigEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void TryReadLittleEndianByteTest()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_007F, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_00FF, result);
}
[Fact]
public static void TryReadLittleEndianInt16Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0100, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_8000), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_7FFF, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadLittleEndianInt32Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0100_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0x8000_0000), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal((int)0x7FFF_FFFF, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadLittleEndianInt64Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadLittleEndianInt96Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadLittleEndianInt128Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF7F), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadLittleEndianSByteTest()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01 }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F }, isUnsigned: false, out result));
Assert.Equal((int)0x0000_007F, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80 }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FF80), result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF }, isUnsigned: false, out result));
Assert.Equal(unchecked((int)0xFFFF_FFFF), result);
}
[Fact]
public static void TryReadLittleEndianUInt16Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0100, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_8000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_FF7F, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_7FFF, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_FFFF, result);
}
[Fact]
public static void TryReadLittleEndianUInt32Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0100_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x7FFF_FFFF, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void TryReadLittleEndianUInt64Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void TryReadLittleEndianUInt96Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void TryReadLittleEndianUInt128Test()
{
int result;
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0001, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.True(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0080, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
Assert.False(BinaryIntegerHelper<int>.TryReadLittleEndian(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }, isUnsigned: true, out result));
Assert.Equal((int)0x0000_0000, result);
}
[Fact]
public static void GetByteCountTest()
{
Assert.Equal(4, BinaryIntegerHelper<int>.GetByteCount((int)0x00000000));
Assert.Equal(4, BinaryIntegerHelper<int>.GetByteCount((int)0x00000001));
Assert.Equal(4, BinaryIntegerHelper<int>.GetByteCount((int)0x7FFFFFFF));
Assert.Equal(4, BinaryIntegerHelper<int>.GetByteCount(unchecked((int)0x80000000)));
Assert.Equal(4, BinaryIntegerHelper<int>.GetByteCount(unchecked((int)0xFFFFFFFF)));
}
[Fact]
public static void GetShortestBitLengthTest()
{
Assert.Equal(0x00, BinaryIntegerHelper<int>.GetShortestBitLength((int)0x00000000));
Assert.Equal(0x01, BinaryIntegerHelper<int>.GetShortestBitLength((int)0x00000001));
Assert.Equal(0x1F, BinaryIntegerHelper<int>.GetShortestBitLength((int)0x7FFFFFFF));
Assert.Equal(0x20, BinaryIntegerHelper<int>.GetShortestBitLength(unchecked((int)0x80000000)));
Assert.Equal(0x01, BinaryIntegerHelper<int>.GetShortestBitLength(unchecked((int)0xFFFFFFFF)));
}
[Fact]
public static void TryWriteBigEndianTest()
{
Span<byte> destination = stackalloc byte[4];
int bytesWritten = 0;
Assert.True(BinaryIntegerHelper<int>.TryWriteBigEndian((int)0x00000000, destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0x00, 0x00, 0x00, 0x00 }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteBigEndian((int)0x00000001, destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0x00, 0x00, 0x00, 0x01 }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteBigEndian((int)0x7FFFFFFF, destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteBigEndian(unchecked((int)0x80000000), destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0x80, 0x00, 0x00, 0x00 }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteBigEndian(unchecked((int)0xFFFFFFFF), destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, destination.ToArray());
Assert.False(BinaryIntegerHelper<int>.TryWriteBigEndian(default, Span<byte>.Empty, out bytesWritten));
Assert.Equal(0, bytesWritten);
Assert.Equal(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, destination.ToArray());
}
[Fact]
public static void TryWriteLittleEndianTest()
{
Span<byte> destination = stackalloc byte[4];
int bytesWritten = 0;
Assert.True(BinaryIntegerHelper<int>.TryWriteLittleEndian((int)0x00000000, destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0x00, 0x00, 0x00, 0x00 }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteLittleEndian((int)0x00000001, destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0x01, 0x00, 0x00, 0x00 }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteLittleEndian((int)0x7FFFFFFF, destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0xFF, 0xFF, 0xFF, 0x7F }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteLittleEndian(unchecked((int)0x80000000), destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0x00, 0x00, 0x00, 0x80 }, destination.ToArray());
Assert.True(BinaryIntegerHelper<int>.TryWriteLittleEndian(unchecked((int)0xFFFFFFFF), destination, out bytesWritten));
Assert.Equal(4, bytesWritten);
Assert.Equal(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, destination.ToArray());
Assert.False(BinaryIntegerHelper<int>.TryWriteLittleEndian(default, Span<byte>.Empty, out bytesWritten));
Assert.Equal(0, bytesWritten);
Assert.Equal(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }, destination.ToArray());
}
//
// IBinaryNumber
//
[Fact]
public static void AllBitsSetTest()
{
Assert.Equal(unchecked((int)0xFFFF_FFFF), BinaryNumberHelper<int>.AllBitsSet);
Assert.Equal(0, ~BinaryNumberHelper<int>.AllBitsSet);
}
[Fact]
public static void IsPow2Test()
{
Assert.False(BinaryNumberHelper<int>.IsPow2((int)0x00000000));
Assert.True(BinaryNumberHelper<int>.IsPow2((int)0x00000001));
Assert.False(BinaryNumberHelper<int>.IsPow2((int)0x7FFFFFFF));
Assert.False(BinaryNumberHelper<int>.IsPow2(unchecked((int)0x80000000)));
Assert.False(BinaryNumberHelper<int>.IsPow2(unchecked((int)0xFFFFFFFF)));
}
[Fact]
public static void Log2Test()
{
Assert.Equal((int)0x00000000, BinaryNumberHelper<int>.Log2((int)0x00000000));
Assert.Equal((int)0x00000000, BinaryNumberHelper<int>.Log2((int)0x00000001));
Assert.Equal((int)0x0000001E, BinaryNumberHelper<int>.Log2((int)0x7FFFFFFF));
Assert.Throws<ArgumentOutOfRangeException>(() => BinaryNumberHelper<int>.Log2(unchecked((int)0x80000000)));
Assert.Throws<ArgumentOutOfRangeException>(() => BinaryNumberHelper<int>.Log2(unchecked((int)0xFFFFFFFF)));
}
//
// IBitwiseOperators
//
[Fact]
public static void op_BitwiseAndTest()
{
Assert.Equal((int)0x00000000, BitwiseOperatorsHelper<int, int, int>.op_BitwiseAnd((int)0x00000000, 1));
Assert.Equal((int)0x00000001, BitwiseOperatorsHelper<int, int, int>.op_BitwiseAnd((int)0x00000001, 1));
Assert.Equal((int)0x00000001, BitwiseOperatorsHelper<int, int, int>.op_BitwiseAnd((int)0x7FFFFFFF, 1));
Assert.Equal((int)0x00000000, BitwiseOperatorsHelper<int, int, int>.op_BitwiseAnd(unchecked((int)0x80000000), 1));
Assert.Equal((int)0x00000001, BitwiseOperatorsHelper<int, int, int>.op_BitwiseAnd(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void op_BitwiseOrTest()
{
Assert.Equal((int)0x00000001, BitwiseOperatorsHelper<int, int, int>.op_BitwiseOr((int)0x00000000, 1));
Assert.Equal((int)0x00000001, BitwiseOperatorsHelper<int, int, int>.op_BitwiseOr((int)0x00000001, 1));
Assert.Equal((int)0x7FFFFFFF, BitwiseOperatorsHelper<int, int, int>.op_BitwiseOr((int)0x7FFFFFFF, 1));
Assert.Equal(unchecked((int)0x80000001), BitwiseOperatorsHelper<int, int, int>.op_BitwiseOr(unchecked((int)0x80000000), 1));
Assert.Equal(unchecked((int)0xFFFFFFFF), BitwiseOperatorsHelper<int, int, int>.op_BitwiseOr(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void op_ExclusiveOrTest()
{
Assert.Equal((int)0x00000001, BitwiseOperatorsHelper<int, int, int>.op_ExclusiveOr((int)0x00000000, 1));
Assert.Equal((int)0x00000000, BitwiseOperatorsHelper<int, int, int>.op_ExclusiveOr((int)0x00000001, 1));
Assert.Equal((int)0x7FFFFFFE, BitwiseOperatorsHelper<int, int, int>.op_ExclusiveOr((int)0x7FFFFFFF, 1));
Assert.Equal(unchecked((int)0x80000001), BitwiseOperatorsHelper<int, int, int>.op_ExclusiveOr(unchecked((int)0x80000000), 1));
Assert.Equal(unchecked((int)0xFFFFFFFE), BitwiseOperatorsHelper<int, int, int>.op_ExclusiveOr(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void op_OnesComplementTest()
{
Assert.Equal(unchecked((int)0xFFFFFFFF), BitwiseOperatorsHelper<int, int, int>.op_OnesComplement((int)0x00000000));
Assert.Equal(unchecked((int)0xFFFFFFFE), BitwiseOperatorsHelper<int, int, int>.op_OnesComplement((int)0x00000001));
Assert.Equal(unchecked((int)0x80000000), BitwiseOperatorsHelper<int, int, int>.op_OnesComplement((int)0x7FFFFFFF));
Assert.Equal((int)0x7FFFFFFF, BitwiseOperatorsHelper<int, int, int>.op_OnesComplement(unchecked((int)0x80000000)));
Assert.Equal((int)0x00000000, BitwiseOperatorsHelper<int, int, int>.op_OnesComplement(unchecked((int)0xFFFFFFFF)));
}
//
// IComparisonOperators
//
[Fact]
public static void op_GreaterThanTest()
{
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThan((int)0x00000000, 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThan((int)0x00000001, 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThan((int)0x7FFFFFFF, 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThan(unchecked((int)0x80000000), 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThan(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void op_GreaterThanOrEqualTest()
{
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThanOrEqual((int)0x00000000, 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThanOrEqual((int)0x00000001, 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThanOrEqual((int)0x7FFFFFFF, 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThanOrEqual(unchecked((int)0x80000000), 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_GreaterThanOrEqual(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void op_LessThanTest()
{
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_LessThan((int)0x00000000, 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_LessThan((int)0x00000001, 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_LessThan((int)0x7FFFFFFF, 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_LessThan(unchecked((int)0x80000000), 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_LessThan(unchecked((int)0xFFFFFFFF), 1));
}
[Fact]
public static void op_LessThanOrEqualTest()
{
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_LessThanOrEqual((int)0x00000000, 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_LessThanOrEqual((int)0x00000001, 1));
Assert.False(ComparisonOperatorsHelper<int, int, bool>.op_LessThanOrEqual((int)0x7FFFFFFF, 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_LessThanOrEqual(unchecked((int)0x80000000), 1));
Assert.True(ComparisonOperatorsHelper<int, int, bool>.op_LessThanOrEqual(unchecked((int)0xFFFFFFFF), 1));
}
//
// IDecrementOperators
//
[Fact]