Imported Upstream version 1.1.0upstream/1.1.0

1 files changed, 274 insertions, 0 deletions

diff --git a/src/mscorlib/src/System/SByte.cs b/src/mscorlib/src/System/SByte.cs
new file mode 100644
index 0000000000..a9ec9cf298
--- /dev/null
+++ b/src/mscorlib/src/System/SByte.cs
@@ -0,0 +1,274 @@
+// 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: 
+**
+**
+===========================================================*/
+namespace System {
+    using System.Globalization;
+    using System;
+    using System.Runtime.InteropServices;
+    using System.Diagnostics.Contracts;
+
+    // A place holder class for signed bytes.
+[Serializable]
+[CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public struct SByte : IComparable, IFormattable, IConvertible
+    , IComparable<SByte>, IEquatable<SByte>
+    {
+        private sbyte m_value;
+    
+        // The maximum value that a Byte may represent: 127.
+        public const sbyte MaxValue = (sbyte)0x7F;
+    
+        // The minimum value that a Byte may represent: -128.
+        public const sbyte MinValue = unchecked((sbyte)0x80);
+
+    
+        // 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 SByte, this method throws an ArgumentException.
+        // 
+        public int CompareTo(Object obj) {
+            if (obj == null) {
+                return 1;
+            }
+            if (!(obj is SByte)) {
+                throw new ArgumentException (Environment.GetResourceString("Arg_MustBeSByte"));
+            }
+            return m_value - ((SByte)obj).m_value;
+        }
+
+        public int CompareTo(SByte value) {
+            return m_value - value;
+        }
+    
+        // Determines whether two Byte objects are equal.
+        public override bool Equals(Object obj) {
+            if (!(obj is SByte)) {
+                return false;
+            }
+            return m_value == ((SByte)obj).m_value;
+        }
+
+        [System.Runtime.Versioning.NonVersionable]
+        public bool Equals(SByte obj)
+        {
+            return m_value == obj;
+        }
+
+        // Gets a hash code for this instance.
+        public override int GetHashCode() {
+            return ((int)m_value ^ (int)m_value << 8);
+        }
+    
+            
+        // Provides a string representation of a byte.
+        [System.Security.SecuritySafeCritical]  // auto-generated
+        public override String ToString() {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatInt32(m_value, null, NumberFormatInfo.CurrentInfo);
+        }
+
+        [System.Security.SecuritySafeCritical]  // auto-generated
+        public String ToString(IFormatProvider provider) {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
+        }
+    
+        public String ToString(String format) {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return ToString(format, NumberFormatInfo.CurrentInfo);
+        }
+
+        public String ToString(String format, IFormatProvider provider) {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return ToString(format, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [System.Security.SecuritySafeCritical]  // auto-generated
+        private String ToString(String format, NumberFormatInfo info) {
+            Contract.Ensures(Contract.Result<String>() != null);
+
+            if (m_value<0 && format!=null && format.Length>0 && (format[0]=='X' || format[0]=='x')) {
+                uint temp = (uint)(m_value & 0x000000FF);
+                return Number.FormatUInt32(temp, format, info);
+            }
+            return Number.FormatInt32(m_value, format, info);
+        }
+    
+        [CLSCompliant(false)]
+        public static sbyte Parse(String s) {
+            return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
+        }
+    
+        [CLSCompliant(false)]
+        public static sbyte Parse(String s, NumberStyles style) {
+            NumberFormatInfo.ValidateParseStyleInteger(style);  
+            return Parse(s, style, NumberFormatInfo.CurrentInfo);
+        }
+
+        [CLSCompliant(false)]
+        public static sbyte Parse(String s, IFormatProvider provider) {
+            return Parse(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
+        }
+    
+        // Parses a signed byte from a String in the given style.  If
+        // a NumberFormatInfo isn't specified, the current culture's 
+        // NumberFormatInfo is assumed.
+        // 
+        [CLSCompliant(false)]
+        public static sbyte Parse(String s, NumberStyles style, IFormatProvider provider) {
+            NumberFormatInfo.ValidateParseStyleInteger(style);  
+            return Parse(s, style, NumberFormatInfo.GetInstance(provider));
+        }
+        
+        private static sbyte Parse(String s, NumberStyles style, NumberFormatInfo info) {        
+                
+            int i = 0;
+            try {
+                i = Number.ParseInt32(s, style, info);
+            }
+            catch(OverflowException e) {
+                throw new OverflowException(Environment.GetResourceString("Overflow_SByte"), e);
+            }
+
+            if ((style & NumberStyles.AllowHexSpecifier) != 0) { // We are parsing a hexadecimal number
+                if ((i < 0) || i > Byte.MaxValue) {
+                    throw new OverflowException(Environment.GetResourceString("Overflow_SByte"));
+                }
+                return (sbyte)i;
+            }
+                        
+            if (i < MinValue || i > MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_SByte"));
+            return (sbyte)i;
+        }
+
+        [CLSCompliant(false)]
+        public static bool TryParse(String s, out SByte result) {
+            return TryParse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
+        }
+
+        [CLSCompliant(false)]
+        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out SByte result) {
+            NumberFormatInfo.ValidateParseStyleInteger(style);  
+            return TryParse(s, style, NumberFormatInfo.GetInstance(provider), out result);
+        }
+        
+        private static bool TryParse(String s, NumberStyles style, NumberFormatInfo info, out SByte result) {
+
+            result = 0;
+            int i;
+            if (!Number.TryParseInt32(s, style, info, out i)) {
+                return false;
+            }
+
+            if ((style & NumberStyles.AllowHexSpecifier) != 0) { // We are parsing a hexadecimal number
+                if ((i < 0) || i > Byte.MaxValue) {
+                    return false;
+                }
+                result = (sbyte)i;
+                return true;
+            }
+                    
+            if (i < MinValue || i > MaxValue) {
+                return false;
+            }
+            result = (sbyte) i;
+            return true;
+        }
+    
+        //
+        // IConvertible implementation
+        // 
+        
+        public TypeCode GetTypeCode() {
+            return TypeCode.SByte;
+        }
+
+
+        /// <internalonly/>
+        bool IConvertible.ToBoolean(IFormatProvider provider) {
+            return Convert.ToBoolean(m_value);
+        }
+
+        /// <internalonly/>
+        char IConvertible.ToChar(IFormatProvider provider) {
+            return Convert.ToChar(m_value);
+        }
+
+        /// <internalonly/>
+        sbyte IConvertible.ToSByte(IFormatProvider provider) {
+            return m_value;
+        }
+
+        /// <internalonly/>
+        byte IConvertible.ToByte(IFormatProvider provider) {
+            return Convert.ToByte(m_value);
+        }
+
+        /// <internalonly/>
+        short IConvertible.ToInt16(IFormatProvider provider) {
+            return Convert.ToInt16(m_value);
+        }
+
+        /// <internalonly/>
+        ushort IConvertible.ToUInt16(IFormatProvider provider) {
+            return Convert.ToUInt16(m_value);
+        }
+
+        /// <internalonly/>
+        int IConvertible.ToInt32(IFormatProvider provider) {
+            return m_value;
+        }
+
+        /// <internalonly/>
+        uint IConvertible.ToUInt32(IFormatProvider provider) {
+            return Convert.ToUInt32(m_value);
+        }
+
+        /// <internalonly/>
+        long IConvertible.ToInt64(IFormatProvider provider) {
+            return Convert.ToInt64(m_value);
+        }
+
+        /// <internalonly/>
+        ulong IConvertible.ToUInt64(IFormatProvider provider) {
+            return Convert.ToUInt64(m_value);
+        }
+
+        /// <internalonly/>
+        float IConvertible.ToSingle(IFormatProvider provider) {
+            return Convert.ToSingle(m_value);
+        }
+
+        /// <internalonly/>
+        double IConvertible.ToDouble(IFormatProvider provider) {
+            return Convert.ToDouble(m_value);
+        }
+
+        /// <internalonly/>
+        Decimal IConvertible.ToDecimal(IFormatProvider provider) {
+            return Convert.ToDecimal(m_value);
+        }
+
+        /// <internalonly/>
+        DateTime IConvertible.ToDateTime(IFormatProvider provider) {
+            throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", "SByte", "DateTime"));
+        }
+
+        /// <internalonly/>
+        Object IConvertible.ToType(Type type, IFormatProvider provider) {
+            return Convert.DefaultToType((IConvertible)this, type, provider);
+        }
+    }
+}