// public methods
/// <summary>
/// Deserializes a value.
/// </summary>
/// <param name="context">The deserialization context.</param>
/// <param name="args">The deserialization args.</param>
/// <returns>A deserialized value.</returns>
public override float Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args)
{
var bsonReader = context.Reader;
var bsonType = bsonReader.GetCurrentBsonType();
switch (bsonType)
{
case BsonType.Decimal128:
return(_converter.ToSingle(bsonReader.ReadDecimal128()));
case BsonType.Double:
return(_converter.ToSingle(bsonReader.ReadDouble()));
case BsonType.Int32:
return(_converter.ToSingle(bsonReader.ReadInt32()));
case BsonType.Int64:
return(_converter.ToSingle(bsonReader.ReadInt64()));
case BsonType.String:
return(JsonConvert.ToSingle(bsonReader.ReadString()));
default:
throw CreateCannotDeserializeFromBsonTypeException(bsonType);
}
}
public void TestAllowOverflowTrue()
{
var converter = new RepresentationConverter(true, false);
// need variables to get some conversions to happen at runtime instead of compile time
var doubleMaxValue = double.MaxValue;
var doubleMinValue = double.MinValue;
var floatMaxValue = float.MaxValue;
var floatMinValue = float.MinValue;
var intMaxValue = int.MaxValue;
var intMinValue = int.MinValue;
var longMaxValue = long.MaxValue;
var longMinValue = long.MinValue;
var uintMaxValue = uint.MaxValue;
var ulongMaxValue = ulong.MaxValue;
Assert.Equal(unchecked ((short)doubleMaxValue), converter.ToInt16(double.MaxValue));
Assert.Equal(unchecked ((short)doubleMinValue), converter.ToInt16(double.MinValue));
Assert.Equal(unchecked ((short)intMaxValue), converter.ToInt16(int.MaxValue));
Assert.Equal(unchecked ((short)intMinValue), converter.ToInt16(int.MinValue));
Assert.Equal(unchecked ((short)longMaxValue), converter.ToInt16(long.MaxValue));
Assert.Equal(unchecked ((short)longMinValue), converter.ToInt16(long.MinValue));
Assert.Equal(unchecked ((int)doubleMaxValue), converter.ToInt32(double.MaxValue));
Assert.Equal(unchecked ((int)doubleMinValue), converter.ToInt32(double.MinValue));
Assert.Equal(unchecked ((int)floatMaxValue), converter.ToInt32(float.MaxValue));
Assert.Equal(unchecked ((int)floatMinValue), converter.ToInt32(float.MinValue));
Assert.Equal(unchecked ((int)longMaxValue), converter.ToInt32(long.MaxValue));
Assert.Equal(unchecked ((int)longMinValue), converter.ToInt32(long.MinValue));
Assert.Equal(unchecked ((int)uintMaxValue), converter.ToInt32(uint.MaxValue));
Assert.Equal(unchecked ((int)ulongMaxValue), converter.ToInt32(ulong.MaxValue));
Assert.Equal(unchecked ((long)doubleMaxValue), converter.ToInt64(double.MaxValue));
Assert.Equal(unchecked ((long)doubleMinValue), converter.ToInt64(double.MinValue));
Assert.Equal(unchecked ((long)floatMaxValue), converter.ToInt64(float.MaxValue));
Assert.Equal(unchecked ((long)floatMinValue), converter.ToInt64(float.MinValue));
Assert.Equal(unchecked ((long)ulongMaxValue), converter.ToInt64(ulong.MaxValue));
Assert.Equal(unchecked ((float)(doubleMaxValue / 10.0)), converter.ToSingle(double.MaxValue / 10.0));
Assert.Equal(unchecked ((float)(doubleMinValue / 10.0)), converter.ToSingle(double.MinValue / 10.0));
Assert.Equal(unchecked ((ushort)doubleMaxValue), converter.ToUInt16(double.MaxValue));
Assert.Equal(unchecked ((ushort)doubleMinValue), converter.ToUInt16(double.MinValue));
Assert.Equal(unchecked ((ushort)intMaxValue), converter.ToUInt16(int.MaxValue));
Assert.Equal(unchecked ((ushort)intMinValue), converter.ToUInt16(int.MinValue));
Assert.Equal(unchecked ((ushort)longMaxValue), converter.ToUInt16(long.MaxValue));
Assert.Equal(unchecked ((ushort)longMinValue), converter.ToUInt16(long.MinValue));
Assert.Equal(unchecked ((uint)doubleMaxValue), converter.ToUInt32(double.MaxValue));
Assert.Equal(unchecked ((uint)doubleMinValue), converter.ToUInt32(double.MinValue));
Assert.Equal(unchecked ((uint)intMinValue), converter.ToUInt32(int.MinValue));
Assert.Equal(unchecked ((uint)longMaxValue), converter.ToUInt32(long.MaxValue));
Assert.Equal(unchecked ((uint)longMinValue), converter.ToUInt32(long.MinValue));
Assert.Equal(unchecked ((ulong)doubleMaxValue), converter.ToUInt64(double.MaxValue));
Assert.Equal(unchecked ((ulong)doubleMinValue), converter.ToUInt64(double.MinValue));
Assert.Equal(unchecked ((ulong)intMinValue), converter.ToUInt64(int.MinValue));
Assert.Equal(unchecked ((ulong)longMinValue), converter.ToUInt64(long.MinValue));
}
public void TestAllowOverflowFalse()
{
var converter = new RepresentationConverter(false, false);
Assert.Throws <OverflowException>(() => converter.ToInt16(double.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt16(double.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt16(int.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt16(int.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt16(long.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt16(long.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(double.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(double.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(float.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(float.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(long.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(long.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(uint.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt32(ulong.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt64(double.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt64(double.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt64(float.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToInt64(float.MinValue));
Assert.Throws <OverflowException>(() => converter.ToInt64(ulong.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToSingle(double.MaxValue / 10.0));
Assert.Throws <OverflowException>(() => converter.ToSingle(double.MinValue / 10.0));
Assert.Throws <OverflowException>(() => converter.ToUInt16(double.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToUInt16(double.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt16(int.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToUInt16(int.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt16(long.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToUInt16(long.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt32(double.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToUInt32(double.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt32(int.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt32(long.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToUInt32(long.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt64(double.MaxValue));
Assert.Throws <OverflowException>(() => converter.ToUInt64(double.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt64(int.MinValue));
Assert.Throws <OverflowException>(() => converter.ToUInt64(long.MinValue));
}
public void TestAllowTruncationTrue()
{
var converter = new RepresentationConverter(false, true);
Assert.Equal((double)long.MaxValue, converter.ToDouble(long.MaxValue));
Assert.Equal((double)ulong.MaxValue, converter.ToDouble(ulong.MaxValue));
Assert.Equal((short)1, converter.ToInt16((double)1.5));
Assert.Equal((int)1, converter.ToInt32((double)1.5));
Assert.Equal((int)1, converter.ToInt32((float)1.5F));
Assert.Equal((long)1, converter.ToInt64((double)1.5));
Assert.Equal((long)1, converter.ToInt64((float)1.5F));
Assert.Equal((float)0.0F, converter.ToSingle(double.Epsilon));
Assert.Equal((ushort)1, converter.ToUInt16((double)1.5));
Assert.Equal((uint)1, converter.ToUInt32((double)1.5));
Assert.Equal((ulong)1, converter.ToUInt64((double)1.5));
}
public void TestAllowTruncationFalse()
{
var converter = new RepresentationConverter(false, false);
Assert.Throws <TruncationException>(() => converter.ToDouble(long.MaxValue));
Assert.Throws <TruncationException>(() => converter.ToDouble(ulong.MaxValue));
Assert.Throws <TruncationException>(() => converter.ToInt16((double)1.5));
Assert.Throws <TruncationException>(() => converter.ToInt32((double)1.5));
Assert.Throws <TruncationException>(() => converter.ToInt32((float)1.5F));
Assert.Throws <TruncationException>(() => converter.ToInt64((double)1.5));
Assert.Throws <TruncationException>(() => converter.ToInt64((float)1.5F));
Assert.Throws <TruncationException>(() => converter.ToSingle(double.Epsilon));
Assert.Throws <TruncationException>(() => converter.ToUInt16((double)1.5));
Assert.Throws <TruncationException>(() => converter.ToUInt32((double)1.5));
Assert.Throws <TruncationException>(() => converter.ToUInt64((double)1.5));
}
public void TestConversions()
{
var converter = new RepresentationConverter(false, false);
Assert.Equal((double)1.5, converter.ToDouble((double)1.5));
Assert.Equal((double)double.MinValue, converter.ToDouble(double.MinValue));
Assert.Equal((double)double.MaxValue, converter.ToDouble(double.MaxValue));
Assert.Equal((double)double.NegativeInfinity, converter.ToDouble(double.NegativeInfinity));
Assert.Equal((double)double.PositiveInfinity, converter.ToDouble(double.PositiveInfinity));
Assert.Equal((double)double.NaN, converter.ToDouble(double.NaN));
Assert.Equal((double)1.5, converter.ToDouble((float)1.5F));
Assert.Equal((double)double.MinValue, converter.ToDouble(float.MinValue));
Assert.Equal((double)double.MaxValue, converter.ToDouble(float.MaxValue));
Assert.Equal((double)double.NegativeInfinity, converter.ToDouble(float.NegativeInfinity));
Assert.Equal((double)double.PositiveInfinity, converter.ToDouble(float.PositiveInfinity));
Assert.Equal((double)double.NaN, converter.ToDouble(float.NaN));
Assert.Equal((double)1.0, converter.ToDouble((int)1));
Assert.Equal((double)int.MaxValue, converter.ToDouble(int.MaxValue));
Assert.Equal((double)int.MinValue, converter.ToDouble(int.MinValue));
Assert.Equal((double)1.0, converter.ToDouble((long)1));
Assert.Equal((double)1.0, converter.ToDouble((short)1));
Assert.Equal((double)short.MaxValue, converter.ToDouble(short.MaxValue));
Assert.Equal((double)short.MinValue, converter.ToDouble(short.MinValue));
Assert.Equal((double)1.0, converter.ToDouble((uint)1));
Assert.Equal((double)uint.MaxValue, converter.ToDouble(uint.MaxValue));
Assert.Equal((double)uint.MinValue, converter.ToDouble(uint.MinValue));
Assert.Equal((double)1.0, converter.ToDouble((ulong)1));
Assert.Equal((double)ulong.MinValue, converter.ToDouble(ulong.MinValue));
Assert.Equal((double)1.0, converter.ToDouble((ushort)1));
Assert.Equal((double)ushort.MaxValue, converter.ToDouble(ushort.MaxValue));
Assert.Equal((double)ushort.MinValue, converter.ToDouble(ushort.MinValue));
Assert.Equal((short)1, converter.ToInt16((double)1.0));
Assert.Equal((short)1, converter.ToInt16((int)1));
Assert.Equal((short)1, converter.ToInt16((long)1));
Assert.Equal((int)1, converter.ToInt32((double)1.0));
Assert.Equal((int)1, converter.ToInt32((float)1.0F));
Assert.Equal((int)1, converter.ToInt32((int)1));
Assert.Equal((int)int.MaxValue, converter.ToInt32(int.MaxValue));
Assert.Equal((int)int.MinValue, converter.ToInt32(int.MinValue));
Assert.Equal((int)1, converter.ToInt32((long)1));
Assert.Equal((int)1, converter.ToInt32((short)1));
Assert.Equal((int)short.MaxValue, converter.ToInt32(short.MaxValue));
Assert.Equal((int)short.MinValue, converter.ToInt32(short.MinValue));
Assert.Equal((int)1, converter.ToInt32((uint)1));
Assert.Equal((int)uint.MinValue, converter.ToInt32(uint.MinValue));
Assert.Equal((int)1, converter.ToInt32((ulong)1));
Assert.Equal((int)ulong.MinValue, converter.ToInt32(ulong.MinValue));
Assert.Equal((int)1, converter.ToInt32((ushort)1));
Assert.Equal((int)ushort.MaxValue, converter.ToInt32(ushort.MaxValue));
Assert.Equal((int)ushort.MinValue, converter.ToInt32(ushort.MinValue));
Assert.Equal((long)1, converter.ToInt64((double)1.0));
Assert.Equal((long)1, converter.ToInt64((float)1.0F));
Assert.Equal((long)1, converter.ToInt64((int)1));
Assert.Equal((long)int.MaxValue, converter.ToInt64(int.MaxValue));
Assert.Equal((long)int.MinValue, converter.ToInt64(int.MinValue));
Assert.Equal((long)1, converter.ToInt64((long)1));
Assert.Equal((long)long.MaxValue, converter.ToInt64(long.MaxValue));
Assert.Equal((long)long.MinValue, converter.ToInt64(long.MinValue));
Assert.Equal((long)1, converter.ToInt64((short)1));
Assert.Equal((long)short.MaxValue, converter.ToInt64(short.MaxValue));
Assert.Equal((long)short.MinValue, converter.ToInt64(short.MinValue));
Assert.Equal((long)1, converter.ToInt64((uint)1));
Assert.Equal((long)uint.MaxValue, converter.ToInt64(uint.MaxValue));
Assert.Equal((long)uint.MinValue, converter.ToInt64(uint.MinValue));
Assert.Equal((long)1, converter.ToInt64((ulong)1));
Assert.Equal((long)ulong.MinValue, converter.ToInt64(ulong.MinValue));
Assert.Equal((long)1, converter.ToInt64((ushort)1));
Assert.Equal((long)ushort.MaxValue, converter.ToInt64(ushort.MaxValue));
Assert.Equal((long)ushort.MinValue, converter.ToInt64(ushort.MinValue));
Assert.Equal((float)1.0F, converter.ToSingle((double)1.0));
Assert.Equal((float)float.MinValue, converter.ToSingle(double.MinValue));
Assert.Equal((float)float.MaxValue, converter.ToSingle(double.MaxValue));
Assert.Equal((float)float.NegativeInfinity, converter.ToSingle(double.NegativeInfinity));
Assert.Equal((float)float.PositiveInfinity, converter.ToSingle(double.PositiveInfinity));
Assert.Equal((float)float.NaN, converter.ToSingle(double.NaN));
Assert.Equal((float)1.0F, converter.ToSingle((int)1));
Assert.Equal((float)1.0F, converter.ToSingle((long)1));
Assert.Equal((ushort)1, converter.ToUInt16((double)1.0));
Assert.Equal((ushort)1, converter.ToUInt16((int)1));
Assert.Equal((ushort)1, converter.ToUInt16((long)1));
Assert.Equal((uint)1, converter.ToUInt32((double)1.0));
Assert.Equal((uint)1, converter.ToUInt32((int)1));
Assert.Equal((uint)1, converter.ToUInt32((long)1));
Assert.Equal((ulong)1, converter.ToUInt64((double)1.0));
Assert.Equal((ulong)1, converter.ToUInt64((int)1));
Assert.Equal((long)(ulong)int.MaxValue, converter.ToInt64(int.MaxValue));
Assert.Equal(1UL, converter.ToUInt64((long)1));
Assert.Equal((long)(ulong)long.MaxValue, converter.ToInt64(long.MaxValue));
}