public void Example()
{
#region Usage
JTokenWriter writer = new JTokenWriter();
writer.WriteStartObject();
writer.WritePropertyName("name1");
writer.WriteValue("value1");
writer.WritePropertyName("name2");
writer.WriteStartArray();
writer.WriteValue(1);
writer.WriteValue(2);
writer.WriteEndArray();
writer.WriteEndObject();
JObject o = (JObject)writer.Token;
Console.WriteLine(o.ToString());
// {
// "name1": "value1",
// "name2": [
// 1,
// 2
// ]
// }
#endregion
}
public void ValueFormatting()
{
byte[] data = Encoding.UTF8.GetBytes("Hello world.");
JToken root;
using (JTokenWriter jsonWriter = new JTokenWriter())
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue('@');
jsonWriter.WriteValue("\r\n\t\f\b?{\\r\\n\"\'");
jsonWriter.WriteValue(true);
jsonWriter.WriteValue(10);
jsonWriter.WriteValue(10.99);
jsonWriter.WriteValue(0.99);
jsonWriter.WriteValue(0.000000000000000001d);
jsonWriter.WriteValue(0.000000000000000001m);
jsonWriter.WriteValue((string)null);
jsonWriter.WriteValue("This is a string.");
jsonWriter.WriteNull();
jsonWriter.WriteUndefined();
jsonWriter.WriteValue(data);
jsonWriter.WriteEndArray();
root = jsonWriter.Token;
}
Assert.IsType(typeof(JArray), root);
Assert.Equal(13, root.Children().Count());
Assert.Equal("@", (string)root[0]);
Assert.Equal("\r\n\t\f\b?{\\r\\n\"\'", (string)root[1]);
Assert.Equal(true, (bool)root[2]);
Assert.Equal(10, (int)root[3]);
Assert.Equal(10.99, (double)root[4]);
Assert.Equal(0.99, (double)root[5]);
Assert.Equal(0.000000000000000001d, (double)root[6]);
Assert.Equal(0.000000000000000001m, (decimal)root[7]);
Assert.Equal(null, (string)root[8]);
Assert.Equal("This is a string.", (string)root[9]);
Assert.Equal(null, ((JValue)root[10]).Value);
Assert.Equal(null, ((JValue)root[11]).Value);
Assert.Equal(data, (byte[])root[12]);
}
public void WriteBigInteger()
{
JTokenWriter writer = new JTokenWriter();
writer.WriteStartArray();
writer.WriteValue(new BigInteger(123));
writer.WriteEndArray();
JValue i = (JValue)writer.Token[0];
Assert.Equal(new BigInteger(123), i.Value);
Assert.Equal(JTokenType.Integer, i.Type);
StringAssert.Equal(@"[
123
]", writer.Token.ToString());
}
public void DateTimeZoneHandling()
{
JTokenWriter writer = new JTokenWriter
{
DateTimeZoneHandling = Json.DateTimeZoneHandling.Utc
};
writer.WriteValue(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Unspecified));
JValue value = (JValue)writer.Token;
DateTime dt = (DateTime)value.Value;
Assert.Equal(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Utc), dt);
}
public void State()
{
using (JsonWriter jsonWriter = new JTokenWriter())
{
Assert.Equal(WriteState.Start, jsonWriter.WriteState);
jsonWriter.WriteStartObject();
Assert.Equal(WriteState.Object, jsonWriter.WriteState);
jsonWriter.WritePropertyName("CPU");
Assert.Equal(WriteState.Property, jsonWriter.WriteState);
jsonWriter.WriteValue("Intel");
Assert.Equal(WriteState.Object, jsonWriter.WriteState);
jsonWriter.WritePropertyName("Drives");
Assert.Equal(WriteState.Property, jsonWriter.WriteState);
jsonWriter.WriteStartArray();
Assert.Equal(WriteState.Array, jsonWriter.WriteState);
jsonWriter.WriteValue("DVD read/writer");
Assert.Equal(WriteState.Array, jsonWriter.WriteState);
#if NET40
jsonWriter.WriteValue(new BigInteger(123));
Assert.Equal(WriteState.Array, jsonWriter.WriteState);
#endif
jsonWriter.WriteValue(new byte[0]);
Assert.Equal(WriteState.Array, jsonWriter.WriteState);
jsonWriter.WriteEnd();
Assert.Equal(WriteState.Object, jsonWriter.WriteState);
jsonWriter.WriteEndObject();
Assert.Equal(WriteState.Start, jsonWriter.WriteState);
}
}