ToDouble() public method

Converts a Decimal to a Double.
public ToDouble ( decimal value ) : double
value decimal A Decimal.
return double
 public void TestAllowTruncationTrue()
 {
     var options = new RepresentationSerializationOptions(BsonType.Int32, false, true);
     Assert.AreEqual((double)long.MaxValue, options.ToDouble(long.MaxValue));
     Assert.AreEqual((double)ulong.MaxValue, options.ToDouble(ulong.MaxValue));
     Assert.AreEqual((short)1, options.ToInt16((double)1.5));
     Assert.AreEqual((int)1, options.ToInt32((double)1.5));
     Assert.AreEqual((int)1, options.ToInt32((float)1.5F));
     Assert.AreEqual((long)1, options.ToInt64((double)1.5));
     Assert.AreEqual((long)1, options.ToInt64((float)1.5F));
     Assert.AreEqual((float)0.0F, options.ToSingle(double.Epsilon));
     Assert.AreEqual((ushort)1, options.ToUInt16((double)1.5));
     Assert.AreEqual((uint)1, options.ToUInt32((double)1.5));
     Assert.AreEqual((ulong)1, options.ToUInt64((double)1.5));
 }
        public void TestConversions()
        {
            var options = new RepresentationSerializationOptions(BsonType.Int32, false, false);
            Assert.AreEqual((double)1.5, options.ToDouble((double)1.5));
            Assert.AreEqual((double)double.MinValue, options.ToDouble(double.MinValue));
            Assert.AreEqual((double)double.MaxValue, options.ToDouble(double.MaxValue));
            Assert.AreEqual((double)double.NegativeInfinity, options.ToDouble(double.NegativeInfinity));
            Assert.AreEqual((double)double.PositiveInfinity, options.ToDouble(double.PositiveInfinity));
            Assert.AreEqual((double)double.NaN, options.ToDouble(double.NaN));
            Assert.AreEqual((double)1.5, options.ToDouble((float)1.5F));
            Assert.AreEqual((double)double.MinValue, options.ToDouble(float.MinValue));
            Assert.AreEqual((double)double.MaxValue, options.ToDouble(float.MaxValue));
            Assert.AreEqual((double)double.NegativeInfinity, options.ToDouble(float.NegativeInfinity));
            Assert.AreEqual((double)double.PositiveInfinity, options.ToDouble(float.PositiveInfinity));
            Assert.AreEqual((double)double.NaN, options.ToDouble(float.NaN));
            Assert.AreEqual((double)1.0, options.ToDouble((int)1));
            Assert.AreEqual((double)int.MaxValue, options.ToDouble(int.MaxValue));
            Assert.AreEqual((double)int.MinValue, options.ToDouble(int.MinValue));
            Assert.AreEqual((double)1.0, options.ToDouble((long)1));
            Assert.AreEqual((double)1.0, options.ToDouble((short)1));
            Assert.AreEqual((double)short.MaxValue, options.ToDouble(short.MaxValue));
            Assert.AreEqual((double)short.MinValue, options.ToDouble(short.MinValue));
            Assert.AreEqual((double)1.0, options.ToDouble((uint)1));
            Assert.AreEqual((double)uint.MaxValue, options.ToDouble(uint.MaxValue));
            Assert.AreEqual((double)uint.MinValue, options.ToDouble(uint.MinValue));
            Assert.AreEqual((double)1.0, options.ToDouble((ulong)1));
            Assert.AreEqual((double)ulong.MinValue, options.ToDouble(ulong.MinValue));
            Assert.AreEqual((double)1.0, options.ToDouble((ushort)1));
            Assert.AreEqual((double)ushort.MaxValue, options.ToDouble(ushort.MaxValue));
            Assert.AreEqual((double)ushort.MinValue, options.ToDouble(ushort.MinValue));

            Assert.AreEqual((short)1, options.ToInt16((double)1.0));
            Assert.AreEqual((short)1, options.ToInt16((int)1));
            Assert.AreEqual((short)1, options.ToInt16((long)1));

            Assert.AreEqual((int)1, options.ToInt32((double)1.0));
            Assert.AreEqual((int)1, options.ToInt32((float)1.0F));
            Assert.AreEqual((int)1, options.ToInt32((int)1));
            Assert.AreEqual((int)int.MaxValue, options.ToInt32(int.MaxValue));
            Assert.AreEqual((int)int.MinValue, options.ToInt32(int.MinValue));
            Assert.AreEqual((int)1, options.ToInt32((long)1));
            Assert.AreEqual((int)1, options.ToInt32((short)1));
            Assert.AreEqual((int)short.MaxValue, options.ToInt32(short.MaxValue));
            Assert.AreEqual((int)short.MinValue, options.ToInt32(short.MinValue));
            Assert.AreEqual((int)1, options.ToInt32((uint)1));
            Assert.AreEqual((int)uint.MinValue, options.ToInt32(uint.MinValue));
            Assert.AreEqual((int)1, options.ToInt32((ulong)1));
            Assert.AreEqual((int)ulong.MinValue, options.ToInt32(ulong.MinValue));
            Assert.AreEqual((int)1, options.ToInt32((ushort)1));
            Assert.AreEqual((int)ushort.MaxValue, options.ToInt32(ushort.MaxValue));
            Assert.AreEqual((int)ushort.MinValue, options.ToInt32(ushort.MinValue));

            Assert.AreEqual((long)1, options.ToInt64((double)1.0));
            Assert.AreEqual((long)1, options.ToInt64((float)1.0F));
            Assert.AreEqual((long)1, options.ToInt64((int)1));
            Assert.AreEqual((long)int.MaxValue, options.ToInt64(int.MaxValue));
            Assert.AreEqual((long)int.MinValue, options.ToInt64(int.MinValue));
            Assert.AreEqual((long)1, options.ToInt64((long)1));
            Assert.AreEqual((long)long.MaxValue, options.ToInt64(long.MaxValue));
            Assert.AreEqual((long)long.MinValue, options.ToInt64(long.MinValue));
            Assert.AreEqual((long)1, options.ToInt64((short)1));
            Assert.AreEqual((long)short.MaxValue, options.ToInt64(short.MaxValue));
            Assert.AreEqual((long)short.MinValue, options.ToInt64(short.MinValue));
            Assert.AreEqual((long)1, options.ToInt64((uint)1));
            Assert.AreEqual((long)uint.MaxValue, options.ToInt64(uint.MaxValue));
            Assert.AreEqual((long)uint.MinValue, options.ToInt64(uint.MinValue));
            Assert.AreEqual((long)1, options.ToInt64((ulong)1));
            Assert.AreEqual((long)ulong.MinValue, options.ToInt64(ulong.MinValue));
            Assert.AreEqual((long)1, options.ToInt64((ushort)1));
            Assert.AreEqual((long)ushort.MaxValue, options.ToInt64(ushort.MaxValue));
            Assert.AreEqual((long)ushort.MinValue, options.ToInt64(ushort.MinValue));

            Assert.AreEqual((float)1.0F, options.ToSingle((double)1.0));
            Assert.AreEqual((float)float.MinValue, options.ToSingle(double.MinValue));
            Assert.AreEqual((float)float.MaxValue, options.ToSingle(double.MaxValue));
            Assert.AreEqual((float)float.NegativeInfinity, options.ToSingle(double.NegativeInfinity));
            Assert.AreEqual((float)float.PositiveInfinity, options.ToSingle(double.PositiveInfinity));
            Assert.AreEqual((float)float.NaN, options.ToSingle(double.NaN));
            Assert.AreEqual((float)1.0F, options.ToSingle((int)1));
            Assert.AreEqual((float)1.0F, options.ToSingle((long)1));

            Assert.AreEqual((ushort)1, options.ToUInt16((double)1.0));
            Assert.AreEqual((ushort)1, options.ToUInt16((int)1));
            Assert.AreEqual((ushort)1, options.ToUInt16((long)1));

            Assert.AreEqual((uint)1, options.ToUInt32((double)1.0));
            Assert.AreEqual((uint)1, options.ToUInt32((int)1));
            Assert.AreEqual((uint)1, options.ToUInt32((long)1));

            Assert.AreEqual((ulong)1, options.ToUInt64((double)1.0));
            Assert.AreEqual((ulong)1, options.ToUInt64((int)1));
            Assert.AreEqual((ulong)int.MaxValue, options.ToInt64(int.MaxValue));
            Assert.AreEqual((ulong)1, options.ToUInt64((long)1));
            Assert.AreEqual((ulong)long.MaxValue, options.ToInt64(long.MaxValue));
        }
 public void TestAllowTruncationFalse()
 {
     var options = new RepresentationSerializationOptions(BsonType.Int32, false, false);
     Assert.Throws<TruncationException>(() => options.ToDouble(long.MaxValue));
     Assert.Throws<TruncationException>(() => options.ToDouble(ulong.MaxValue));
     Assert.Throws<TruncationException>(() => options.ToInt16((double)1.5));
     Assert.Throws<TruncationException>(() => options.ToInt32((double)1.5));
     Assert.Throws<TruncationException>(() => options.ToInt32((float)1.5F));
     Assert.Throws<TruncationException>(() => options.ToInt64((double)1.5));
     Assert.Throws<TruncationException>(() => options.ToInt64((float)1.5F));
     Assert.Throws<TruncationException>(() => options.ToSingle(double.Epsilon));
     Assert.Throws<TruncationException>(() => options.ToUInt16((double)1.5));
     Assert.Throws<TruncationException>(() => options.ToUInt32((double)1.5));
     Assert.Throws<TruncationException>(() => options.ToUInt64((double)1.5));
 }