public static void TestRationalGetMismatches()
{
var jsonNumber = new JsonNumber("3.14");
// Getting integer types should fail:
Assert.False(jsonNumber.TryGetByte(out byte byteResult));
Assert.Throws <FormatException>(() => jsonNumber.GetByte());
Assert.False(jsonNumber.TryGetInt16(out short shortResult));
Assert.Throws <FormatException>(() => jsonNumber.GetInt16());
Assert.False(jsonNumber.TryGetInt32(out int intResult));
Assert.Throws <FormatException>(() => jsonNumber.GetInt32());
Assert.False(jsonNumber.TryGetInt64(out long longResult));
Assert.Throws <FormatException>(() => jsonNumber.GetInt64());
Assert.False(jsonNumber.TryGetSByte(out sbyte sbyteResult));
Assert.Throws <FormatException>(() => jsonNumber.GetSByte());
Assert.False(jsonNumber.TryGetUInt16(out ushort ushortResult));
Assert.Throws <FormatException>(() => jsonNumber.GetUInt16());
Assert.False(jsonNumber.TryGetUInt32(out uint uintResult));
Assert.Throws <FormatException>(() => jsonNumber.GetUInt32());
Assert.False(jsonNumber.TryGetUInt64(out ulong ulongResult));
Assert.Throws <FormatException>(() => jsonNumber.GetUInt64());
jsonNumber = new JsonNumber(double.MaxValue);
if (PlatformDetection.IsNetFramework)
{
// .NET Framework throws for overflow rather than returning Infinity
// This was fixed for .NET Core 3.0 in order to be IEEE 754 compliant
Assert.Throws <OverflowException>(() => jsonNumber.GetSingle());
// Getting double fails as well
Assert.Throws <OverflowException>(() => jsonNumber.GetDouble());
}
else
{
Assert.Equal(float.PositiveInfinity, jsonNumber.GetSingle());
}
Assert.Throws <OverflowException>(() => jsonNumber.GetDecimal());
jsonNumber = new JsonNumber("5e500");
if (PlatformDetection.IsNetFramework)
{
Assert.Throws <OverflowException>(() => jsonNumber.GetSingle());
Assert.Throws <OverflowException>(() => jsonNumber.GetDouble());
}
else
{
Assert.Equal(float.PositiveInfinity, jsonNumber.GetSingle());
Assert.Equal(double.PositiveInfinity, jsonNumber.GetDouble());
}
Assert.Throws <OverflowException>(() => jsonNumber.GetDecimal());
}
public static void TestDefaultCtor()
{
var jsonNumber = new JsonNumber();
Assert.Equal(0, jsonNumber.GetByte());
Assert.Equal(0, jsonNumber.GetInt16());
Assert.Equal(0, jsonNumber.GetInt32());
Assert.Equal(0, jsonNumber.GetInt64());
Assert.Equal(0, jsonNumber.GetSingle());
Assert.Equal(0, jsonNumber.GetDouble());
Assert.Equal(0, jsonNumber.GetSByte());
Assert.Equal((ushort)0, jsonNumber.GetUInt16());
Assert.Equal((uint)0, jsonNumber.GetUInt32());
Assert.Equal((ulong)0, jsonNumber.GetUInt64());
Assert.Equal(0, jsonNumber.GetDecimal());
}
public static void TestUpcasts()
{
byte value = 17;
var jsonNumber = new JsonNumber(value);
// Getting other types should also succeed:
Assert.Equal(value, jsonNumber.GetInt16());
Assert.True(jsonNumber.TryGetInt16(out short shortResult));
Assert.Equal(value, shortResult);
Assert.Equal(value, jsonNumber.GetInt32());
Assert.True(jsonNumber.TryGetInt32(out int intResult));
Assert.Equal(value, intResult);
Assert.Equal(value, jsonNumber.GetInt64());
Assert.True(jsonNumber.TryGetInt64(out long longResult));
Assert.Equal(value, longResult);
Assert.Equal(value, jsonNumber.GetSingle());
Assert.True(jsonNumber.TryGetSingle(out float floatResult));
Assert.Equal(value, floatResult);
Assert.Equal(value, jsonNumber.GetDouble());
Assert.True(jsonNumber.TryGetDouble(out double doubleResult));
Assert.Equal(value, doubleResult);
Assert.Equal(value, jsonNumber.GetDecimal());
Assert.True(jsonNumber.TryGetDecimal(out decimal decimalResult));
Assert.Equal(value, decimalResult);
Assert.Equal(value, (byte)jsonNumber.GetSByte());
Assert.True(jsonNumber.TryGetSByte(out sbyte sbyteResult));
Assert.Equal(value, (byte)sbyteResult);
Assert.Equal(value, jsonNumber.GetUInt16());
Assert.True(jsonNumber.TryGetUInt16(out ushort ushortResult));
Assert.Equal(value, ushortResult);
Assert.Equal(value, jsonNumber.GetUInt32());
Assert.True(jsonNumber.TryGetUInt32(out uint uintResult));
Assert.Equal(value, uintResult);
Assert.Equal(value, jsonNumber.GetUInt64());
Assert.True(jsonNumber.TryGetUInt64(out ulong ulongResult));
Assert.Equal(value, ulongResult);
}
public static void TestScientificNotation()
{
var jsonNumber = new JsonNumber("5e6");
Assert.Equal(5000000f, jsonNumber.GetSingle());
Assert.Equal(5000000, jsonNumber.GetDouble());
jsonNumber = new JsonNumber("3.14e0");
Assert.Equal(3.14f, jsonNumber.GetSingle());
Assert.Equal(3.14, jsonNumber.GetDouble());
jsonNumber = new JsonNumber("7e-3");
Assert.Equal(0.007f, jsonNumber.GetSingle());
Assert.Equal(0.007, jsonNumber.GetDouble());
jsonNumber = new JsonNumber("-7e-3");
Assert.Equal(-0.007f, jsonNumber.GetSingle());
Assert.Equal(-0.007, jsonNumber.GetDouble());
}
public static void TestChangingTypes()
{
var jsonNumber = new JsonNumber(5);
Assert.Equal(5, jsonNumber.GetInt32());
jsonNumber.SetDouble(3.14);
Assert.Equal(3.14, jsonNumber.GetDouble());
jsonNumber.SetByte(17);
Assert.Equal(17, jsonNumber.GetByte());
jsonNumber.SetInt64(long.MaxValue);
Assert.Equal(long.MaxValue, jsonNumber.GetInt64());
jsonNumber.SetUInt16(ushort.MaxValue);
Assert.Equal(ushort.MaxValue, jsonNumber.GetUInt16());
jsonNumber.SetSingle(-1.1f);
Assert.Equal(-1.1f, jsonNumber.GetSingle());
jsonNumber.SetSByte(4);
Assert.Equal(4, jsonNumber.GetSByte());
jsonNumber.SetUInt32(127);
Assert.Equal((uint)127, jsonNumber.GetUInt32());
jsonNumber.SetFormattedValue("1e400");
Assert.Equal("1e400", jsonNumber.ToString());
jsonNumber.SetUInt64(ulong.MaxValue);
Assert.Equal(ulong.MaxValue, jsonNumber.GetUInt64());
jsonNumber.SetDecimal(decimal.MaxValue);
Assert.Equal(decimal.MaxValue, jsonNumber.GetDecimal());
}