public void String8_FromNumber_Double()
{
// TODO: XForm doesn't write to base and exponent notation yet; add tests when it does.
byte[] buffer = new byte[21];
Assert.AreEqual("0", String8.FromNumber(0.0, buffer).ToString());
Assert.AreEqual("1000", String8.FromNumber(1000.0, buffer).ToString());
Assert.AreEqual("1.5", String8.FromNumber(1.5, buffer).ToString());
Assert.AreEqual("-1.5", String8.FromNumber(-1.5, buffer).ToString());
Assert.AreEqual("0.666666666666666", String8.FromNumber((double)2 / (double)3, buffer).ToString());
Assert.AreEqual("0.75", String8.FromNumber((double)3 / (double)4, buffer).ToString());
Assert.AreEqual("0.0075", String8.FromNumber(0.0075, buffer).ToString());
Assert.AreEqual(int.MaxValue.ToString(), String8.FromNumber((double)int.MaxValue, buffer).ToString());
}
public NegatedTryConvert TryGetNegatedTryConvert(Type sourceType, Type targetType, object defaultValue)
{
// Build a converter for the set of types
if (targetType == typeof(String8))
{
if (sourceType == typeof(string))
{
return(new StringToString8Converter(defaultValue).StringToString8);
}
if (sourceType == typeof(DateTime))
{
return(new ToString8Converter <DateTime>(defaultValue, 20, String8.FromDateTime).Convert);
}
if (sourceType == typeof(bool))
{
return(new ToString8Converter <bool>(defaultValue, 0, (value, buffer, index) => String8.FromBoolean(value)).Convert);
}
if (sourceType == typeof(sbyte))
{
return(new ToString8Converter <sbyte>(defaultValue, 4, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(byte))
{
return(new ToString8Converter <byte>(defaultValue, 3, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(short))
{
return(new ToString8Converter <short>(defaultValue, 6, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(ushort))
{
return(new ToString8Converter <ushort>(defaultValue, 5, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(int))
{
return(new ToString8Converter <int>(defaultValue, 11, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(uint))
{
return(new ToString8Converter <uint>(defaultValue, 10, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(long))
{
return(new ToString8Converter <long>(defaultValue, 21, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(ulong))
{
return(new ToString8Converter <ulong>(defaultValue, 20, (value, buffer, index) => String8.FromNumber(value, false, buffer, index)).Convert);
}
}
else if (sourceType == typeof(String8))
{
if (targetType == typeof(int))
{
return(new FromString8Converter <int>(defaultValue, (String8 value, out int result) => value.TryToInteger(out result)).Convert);
}
else if (targetType == typeof(uint))
{
return(new FromString8Converter <uint>(defaultValue, (String8 value, out uint result) => value.TryToUInt(out result)).Convert);
}
else if (targetType == typeof(DateTime))
{
return(new FromString8Converter <DateTime>(defaultValue, (String8 value, out DateTime result) => value.TryToDateTime(out result)).Convert);
}
else if (targetType == typeof(bool))
{
return(new FromString8Converter <bool>(defaultValue, (String8 value, out bool result) => value.TryToBoolean(out result)).Convert);
}
else if (targetType == typeof(long))
{
return(new FromString8Converter <long>(defaultValue, (String8 value, out long result) => value.TryToLong(out result)).Convert);
}
else if (targetType == typeof(ulong))
{
return(new FromString8Converter <ulong>(defaultValue, (String8 value, out ulong result) => value.TryToULong(out result)).Convert);
}
else if (targetType == typeof(ushort))
{
return(new FromString8Converter <ushort>(defaultValue, (String8 value, out ushort result) => value.TryToUShort(out result)).Convert);
}
else if (targetType == typeof(short))
{
return(new FromString8Converter <short>(defaultValue, (String8 value, out short result) => value.TryToShort(out result)).Convert);
}
else if (targetType == typeof(byte))
{
return(new FromString8Converter <byte>(defaultValue, (String8 value, out byte result) => value.TryToByte(out result)).Convert);
}
else if (targetType == typeof(sbyte))
{
return(new FromString8Converter <sbyte>(defaultValue, (String8 value, out sbyte result) => value.TryToSByte(out result)).Convert);
}
}
return(null);
}
public void Write(double value)
{
Write(String8.FromNumber(value, _convertBuffer, 0));
}
public NegatedTryConvert TryGetNegatedTryConvert(Type sourceType, Type targetType, object defaultValue)
{
// Build a converter for the set of types
if (targetType == typeof(String8))
{
if (sourceType == typeof(string))
{
return(new StringToString8Converter(defaultValue).StringToString8);
}
if (sourceType == typeof(DateTime))
{
return(new ToString8Converter <DateTime>(defaultValue, 20, String8.FromDateTime).Convert);
}
if (sourceType == typeof(bool))
{
return(new ToString8Converter <bool>(defaultValue, 0, (value, buffer, index) => String8.FromBoolean(value)).Convert);
}
if (sourceType == typeof(TimeSpan))
{
return(new ToString8Converter <TimeSpan>(defaultValue, 21, String8.FromTimeSpan).Convert);
}
if (sourceType == typeof(sbyte))
{
return(new ToString8Converter <sbyte>(defaultValue, 4, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(byte))
{
return(new ToString8Converter <byte>(defaultValue, 3, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(short))
{
return(new ToString8Converter <short>(defaultValue, 6, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(ushort))
{
return(new ToString8Converter <ushort>(defaultValue, 5, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(int))
{
return(new ToString8Converter <int>(defaultValue, 11, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(uint))
{
return(new ToString8Converter <uint>(defaultValue, 10, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(long))
{
return(new ToString8Converter <long>(defaultValue, 21, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(ulong))
{
return(new ToString8Converter <ulong>(defaultValue, 20, (value, buffer, index) => String8.FromNumber(value, false, buffer, index)).Convert);
}
if (sourceType == typeof(float))
{
return(new ToString8Converter <float>(defaultValue, 21, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
if (sourceType == typeof(double))
{
return(new ToString8Converter <double>(defaultValue, 21, (value, buffer, index) => String8.FromNumber(value, buffer, index)).Convert);
}
}
else if (sourceType == typeof(String8))
{
if (targetType == typeof(int))
{
return(new FromString8Converter <int>(defaultValue, (String8 value, out int result) => value.TryToInteger(out result)).Convert);
}
else if (targetType == typeof(uint))
{
return(new FromString8Converter <uint>(defaultValue, (String8 value, out uint result) => value.TryToUInt(out result)).Convert);
}
else if (targetType == typeof(DateTime))
{
return(new FromString8Converter <DateTime>(defaultValue, (String8 value, out DateTime result) => value.TryToDateTime(out result)).Convert);
}
else if (targetType == typeof(TimeSpan))
{
// Support TimeSpan conversions from .NET Format (DDD.HH:MM:SS.mmm) and 'friendly' format (24h, 7d)
return(new FromString8Converter <TimeSpan>(defaultValue, (String8 value, out TimeSpan result) => value.TryToTimeSpanFriendly(out result)).Convert);
}
else if (targetType == typeof(bool))
{
return(new FromString8Converter <bool>(defaultValue, (String8 value, out bool result) => value.TryToBoolean(out result)).Convert);
}
else if (targetType == typeof(long))
{
return(new FromString8Converter <long>(defaultValue, (String8 value, out long result) => value.TryToLong(out result)).Convert);
}
else if (targetType == typeof(ulong))
{
return(new FromString8Converter <ulong>(defaultValue, (String8 value, out ulong result) => value.TryToULong(out result)).Convert);
}
else if (targetType == typeof(ushort))
{
return(new FromString8Converter <ushort>(defaultValue, (String8 value, out ushort result) => value.TryToUShort(out result)).Convert);
}
else if (targetType == typeof(short))
{
return(new FromString8Converter <short>(defaultValue, (String8 value, out short result) => value.TryToShort(out result)).Convert);
}
else if (targetType == typeof(byte))
{
return(new FromString8Converter <byte>(defaultValue, (String8 value, out byte result) => value.TryToByte(out result)).Convert);
}
else if (targetType == typeof(sbyte))
{
return(new FromString8Converter <sbyte>(defaultValue, (String8 value, out sbyte result) => value.TryToSByte(out result)).Convert);
}
else if (targetType == typeof(double))
{
return(new FromString8Converter <double>(defaultValue, (String8 value, out double result) => value.TryToDouble(out result)).Convert);
}
else if (targetType == typeof(float))
{
return(new FromString8Converter <float>(defaultValue, (String8 value, out float result) => value.TryToFloat(out result)).Convert);
}
}
return(null);
}
public void Write(double value)
{
// Numbers are written without quotes and never need escaping. "ColumnName": -1234
WriteColumnSeparator();
String8.FromNumber(value, _typeConversionBuffer).WriteTo(_stream);
}
/// <summary>
/// Write a double to the current row.
/// The value is converted without allocations.
/// </summary>
/// <param name="value">Value to write</param>
public void Write(double value)
{
Write(String8.FromNumber(value, _typeConversionBuffer));
}