Newtonsoft.Json.Tests\Linq\JTokenWriterTest.cs

#region License

// Copyright (c) 2007 James Newton-King

//

// Permission is hereby granted, free of charge, to any person

// obtaining a copy of this software and associated documentation

// files (the "Software"), to deal in the Software without

// restriction, including without limitation the rights to use,

// copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the

// Software is furnished to do so, subject to the following

// conditions:

//

// The above copyright notice and this permission notice shall be

// included in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

// OTHER DEALINGS IN THE SOFTWARE.

#endregion

using System;

using System.Collections.Generic;

using System.Text;

using NUnit.Framework;

using Newtonsoft.Json;

using System.IO;

using Newtonsoft.Json.Linq;

using System.Linq;

namespace Newtonsoft.Json.Tests.Linq

{

  public class JTokenWriterTest : TestFixtureBase

  {

    [Test]

    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.IsInstanceOfType(typeof(JArray), root);

      Assert.AreEqual(13, root.Children().Count());

      Assert.AreEqual("@", (string)root[0]);

      Assert.AreEqual("\r\n\t\f\b?{\\r\\n\"\'", (string)root[1]);

      Assert.AreEqual(true, (bool)root[2]);

      Assert.AreEqual(10, (int)root[3]);

      Assert.AreEqual(10.99, (double)root[4]);

      Assert.AreEqual(0.99, (double)root[5]);

      Assert.AreEqual(0.000000000000000001d, (double)root[6]);

      Assert.AreEqual(0.000000000000000001m, (decimal)root[7]);

      Assert.AreEqual(string.Empty, (string)root[8]);

      Assert.AreEqual("This is a string.", (string)root[9]);

      Assert.AreEqual(null, ((JValue)root[10]).Value);

      Assert.AreEqual(null, ((JValue)root[11]).Value);

      Assert.AreEqual(data, (byte[])root[12]);

    }

    [Test]

    public void State()

    {

      using (JsonWriter jsonWriter = new JTokenWriter())

      {

        Assert.AreEqual(WriteState.Start, jsonWriter.WriteState);

        jsonWriter.WriteStartObject();

        Assert.AreEqual(WriteState.Object, jsonWriter.WriteState);

        jsonWriter.WritePropertyName("CPU");

        Assert.AreEqual(WriteState.Property, jsonWriter.WriteState);

        jsonWriter.WriteValue("Intel");

        Assert.AreEqual(WriteState.Object, jsonWriter.WriteState);

        jsonWriter.WritePropertyName("Drives");

        Assert.AreEqual(WriteState.Property, jsonWriter.WriteState);

        jsonWriter.WriteStartArray();

        Assert.AreEqual(WriteState.Array, jsonWriter.WriteState);

        jsonWriter.WriteValue("DVD read/writer");

        Assert.AreEqual(WriteState.Array, jsonWriter.WriteState);

        jsonWriter.WriteValue(new byte[0]);

        Assert.AreEqual(WriteState.Array, jsonWriter.WriteState);

        jsonWriter.WriteEnd();

        Assert.AreEqual(WriteState.Object, jsonWriter.WriteState);

        jsonWriter.WriteEndObject();

        Assert.AreEqual(WriteState.Start, jsonWriter.WriteState);

      }

    }

    [Test]

    public void WriteComment()

    {

      JTokenWriter writer = new JTokenWriter();

      writer.WriteStartArray();

      writer.WriteComment("fail");

      writer.WriteEndArray();

      Assert.AreEqual(@"[

  /*fail*/]", writer.Token.ToString());

    }

    [Test]

    public void WriteRaw()

    {

      JTokenWriter writer = new JTokenWriter();

      writer.WriteStartArray();

      writer.WriteRaw("fail");

      writer.WriteRaw("fail");

      writer.WriteEndArray();

      // this is a bug. write raw shouldn't be autocompleting like this

      // hard to fix without introducing Raw and RawValue token types

      // meh

      Assert.AreEqual(@"[

  fail,

  fail

]", writer.Token.ToString());

    }

    [Test]

    public void WriteRawValue()

    {

      JTokenWriter writer = new JTokenWriter();

      writer.WriteStartArray();

      writer.WriteRawValue("fail");

      writer.WriteRawValue("fail");

      writer.WriteEndArray();

      Assert.AreEqual(@"[

  fail,

  fail

]", writer.Token.ToString());

    }

  }

}