1 files changed, 269 insertions, 0 deletions
diff --git a/src/mscorlib/shared/System/UInt32.cs b/src/mscorlib/shared/System/UInt32.cs
new file mode 100644
index 0000000000..49835613b2
--- /dev/null
+++ b/src/mscorlib/shared/System/UInt32.cs
@@ -0,0 +1,269 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*============================================================
+**
+**
+**
+** Purpose: This class will encapsulate an uint and 
+**          provide an Object representation of it.
+**
+** 
+===========================================================*/
+
+using System.Diagnostics.Contracts;
+using System.Globalization;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace System
+{
+    [Serializable]
+    [CLSCompliant(false)]
+    [StructLayout(LayoutKind.Sequential)]
+    [TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
+    public struct UInt32 : IComparable, IConvertible, IFormattable, IComparable<UInt32>, IEquatable<UInt32>
+    {
+        private uint m_value; // Do not rename (binary serialization)
+
+        public const uint MaxValue = (uint)0xffffffff;
+        public const uint MinValue = 0U;
+
+
+        // Compares this object to another object, returning an integer that
+        // indicates the relationship. 
+        // Returns a value less than zero if this  object
+        // null is considered to be less than any instance.
+        // If object is not of type UInt32, this method throws an ArgumentException.
+        // 
+        public int CompareTo(Object value)
+        {
+            if (value == null)
+            {
+                return 1;
+            }
+            if (value is UInt32)
+            {
+                // Need to use compare because subtraction will wrap
+                // to positive for very large neg numbers, etc.
+                uint i = (uint)value;
+                if (m_value < i) return -1;
+                if (m_value > i) return 1;
+                return 0;
+            }
+            throw new ArgumentException(SR.Arg_MustBeUInt32);
+        }
+
+        public int CompareTo(UInt32 value)
+        {
+            // Need to use compare because subtraction will wrap
+            // to positive for very large neg numbers, etc.
+            if (m_value < value) return -1;
+            if (m_value > value) return 1;
+            return 0;
+        }
+
+        public override bool Equals(Object obj)
+        {
+            if (!(obj is UInt32))
+            {
+                return false;
+            }
+            return m_value == ((UInt32)obj).m_value;
+        }
+
+        [NonVersionable]
+        public bool Equals(UInt32 obj)
+        {
+            return m_value == obj;
+        }
+
+        // The absolute value of the int contained.
+        public override int GetHashCode()
+        {
+            return ((int)m_value);
+        }
+
+        // The base 10 representation of the number with no extra padding.
+        public override String ToString()
+        {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, null, NumberFormatInfo.CurrentInfo);
+        }
+
+        public String ToString(IFormatProvider provider)
+        {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
+        }
+
+        public String ToString(String format)
+        {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, format, NumberFormatInfo.CurrentInfo);
+        }
+
+        public String ToString(String format, IFormatProvider provider)
+        {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, format, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [CLSCompliant(false)]
+        public static uint Parse(String s)
+        {
+            if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s);
+            return Number.ParseUInt32(s.AsReadOnlySpan(), NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
+        }
+
+        [CLSCompliant(false)]
+        public static uint Parse(String s, NumberStyles style)
+        {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+            if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s);
+            return Number.ParseUInt32(s.AsReadOnlySpan(), style, NumberFormatInfo.CurrentInfo);
+        }
+
+
+        [CLSCompliant(false)]
+        public static uint Parse(String s, IFormatProvider provider)
+        {
+            if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s);
+            return Number.ParseUInt32(s.AsReadOnlySpan(), NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [CLSCompliant(false)]
+        public static uint Parse(String s, NumberStyles style, IFormatProvider provider)
+        {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+            if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s);
+            return Number.ParseUInt32(s.AsReadOnlySpan(), style, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [CLSCompliant(false)]
+        public static uint Parse(ReadOnlySpan<char> s, NumberStyles style = NumberStyles.Integer, IFormatProvider provider = null)
+        {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+            return Number.ParseUInt32(s, style, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [CLSCompliant(false)]
+        public static bool TryParse(String s, out UInt32 result)
+        {
+            if (s == null)
+            {
+                result = 0;
+                return false;
+            }
+
+            return Number.TryParseUInt32(s.AsReadOnlySpan(), NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
+        }
+
+        [CLSCompliant(false)]
+        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out UInt32 result)
+        {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+
+            if (s == null)
+            {
+                result = 0;
+                return false;
+            }
+
+            return Number.TryParseUInt32(s.AsReadOnlySpan(), style, NumberFormatInfo.GetInstance(provider), out result);
+        }
+
+        [CLSCompliant(false)]
+        public static bool TryParse(ReadOnlySpan<char> s, out UInt32 result, NumberStyles style = NumberStyles.Integer, IFormatProvider provider = null)
+        {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+            return Number.TryParseUInt32(s, style, NumberFormatInfo.GetInstance(provider), out result);
+        }
+
+        //
+        // IConvertible implementation
+        // 
+
+        public TypeCode GetTypeCode()
+        {
+            return TypeCode.UInt32;
+        }
+
+        bool IConvertible.ToBoolean(IFormatProvider provider)
+        {
+            return Convert.ToBoolean(m_value);
+        }
+
+        char IConvertible.ToChar(IFormatProvider provider)
+        {
+            return Convert.ToChar(m_value);
+        }
+
+        sbyte IConvertible.ToSByte(IFormatProvider provider)
+        {
+            return Convert.ToSByte(m_value);
+        }
+
+        byte IConvertible.ToByte(IFormatProvider provider)
+        {
+            return Convert.ToByte(m_value);
+        }
+
+        short IConvertible.ToInt16(IFormatProvider provider)
+        {
+            return Convert.ToInt16(m_value);
+        }
+
+        ushort IConvertible.ToUInt16(IFormatProvider provider)
+        {
+            return Convert.ToUInt16(m_value);
+        }
+
+        int IConvertible.ToInt32(IFormatProvider provider)
+        {
+            return Convert.ToInt32(m_value);
+        }
+
+        uint IConvertible.ToUInt32(IFormatProvider provider)
+        {
+            return m_value;
+        }
+
+        long IConvertible.ToInt64(IFormatProvider provider)
+        {
+            return Convert.ToInt64(m_value);
+        }
+
+        ulong IConvertible.ToUInt64(IFormatProvider provider)
+        {
+            return Convert.ToUInt64(m_value);
+        }
+
+        float IConvertible.ToSingle(IFormatProvider provider)
+        {
+            return Convert.ToSingle(m_value);
+        }
+
+        double IConvertible.ToDouble(IFormatProvider provider)
+        {
+            return Convert.ToDouble(m_value);
+        }
+
+        Decimal IConvertible.ToDecimal(IFormatProvider provider)
+        {
+            return Convert.ToDecimal(m_value);
+        }
+
+        DateTime IConvertible.ToDateTime(IFormatProvider provider)
+        {
+            throw new InvalidCastException(SR.Format(SR.InvalidCast_FromTo, "UInt32", "DateTime"));
+        }
+
+        Object IConvertible.ToType(Type type, IFormatProvider provider)
+        {
+            return Convert.DefaultToType((IConvertible)this, type, provider);
+        }
+    }
+}