public void Issue26()
{
// 1. Create JsonBuffer from array with objects
JsonBuffer buffer = JsonBuffer.From(@"[{},{a:{},b:{}}]");
// 2. Create reader from the buffer...
JsonBufferReader reader = buffer.CreateReader();
// ...read in the first object
while (reader.TokenClass != JsonTokenClass.Object)
{
reader.Read();
}
reader.Read(); // Read Object token
reader.Read(); // Read EndObject token
// ...create a subbuffer to buffer the next object
JsonBuffer subBuffer = JsonBuffer.From(reader);
// ...create reader from the subbuffer
JsonBufferReader reader2 = subBuffer.CreateReader();
// 3. Call reader.BufferValue() this should break
JsonBuffer buffer2 = reader2.BufferValue();
Assert.IsTrue(buffer2.IsObject);
}
private static void AssertBufferedValueScalarOrNull(JsonToken expected, JsonBufferWriter writer)
{
JsonBuffer buffer = writer.GetBuffer();
JsonBufferReader reader = buffer.CreateReader();
reader.Read();
reader.Read();
JsonBuffer value = reader.BufferValue();
if (expected.Class == JsonTokenClass.Null)
{
Assert.IsTrue(value.IsNull);
}
else
{
Assert.IsTrue(value.IsScalar);
}
JsonBufferReader vr = value.CreateReader();
Assert.AreEqual(1, vr.Depth);
Assert.AreEqual(expected, vr.Token);
vr.Read();
vr.ReadToken(JsonTokenClass.EndArray);
Assert.IsTrue(vr.EOF);
}
public void BufferValueOnEOF()
{
JsonBufferWriter writer = new JsonBufferWriter();
writer.WriteFromReader(JsonText.CreateReader("[]"));
JsonBufferReader reader = writer.GetBuffer().CreateReader();
reader.Read(); // array start
reader.Read(); // array end
Assert.IsTrue(reader.BufferValue().IsEmpty);
}
public void BufferValueOnMember()
{
JsonBufferWriter writer = new JsonBufferWriter();
writer.WriteFromReader(JsonText.CreateReader("{foo:bar}"));
JsonBufferReader reader = writer.GetBuffer().CreateReader();
reader.Read(); // object start
reader.Read(); // foo
Assert.AreEqual(JsonToken.String("bar"), reader.BufferValue().CreateReader().Token);
}
public void BufferScalarValue()
{
JsonBufferWriter writer = new JsonBufferWriter();
writer.WriteString("foobar");
JsonBuffer buffer = writer.GetBuffer();
JsonBufferReader reader = buffer.CreateReader();
reader.Read(); // array start
reader.Read(); // string
Assert.AreEqual("foobar", reader.BufferValue().CreateReader().BufferValue().CreateReader().ReadString());
}
public void BufferValueOnObjectEnd()
{
JsonBufferWriter writer = new JsonBufferWriter();
writer.WriteFromReader(JsonText.CreateReader("[{},foo]"));
JsonBufferReader reader = writer.GetBuffer().CreateReader();
reader.Read(); // outer object start
reader.Read(); // inner object start
reader.Read(); // inner object end
Assert.AreEqual(JsonToken.String("foo"), reader.BufferValue()[0]);
}
public static JsonBuffer From(JsonReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
JsonBufferReader bufferReader = reader as JsonBufferReader;
if (bufferReader != null)
{
return(bufferReader.BufferValue());
}
if (!reader.MoveToContent())
{
return(Empty);
}
if (reader.TokenClass == JsonTokenClass.Member)
{
reader.Read();
}
bool structured = reader.TokenClass == JsonTokenClass.Array ||
reader.TokenClass == JsonTokenClass.Object;
JsonBufferWriter writer = new JsonBufferWriter();
writer.MaxDepth = reader.MaxDepth;
writer.WriteFromReader(reader);
JsonBuffer buffer = writer.GetBuffer();
if (!structured)
{
bufferReader = buffer.CreateReader();
bufferReader.MoveToContent();
bufferReader.Read();
buffer = bufferReader.BufferValue();
}
return(buffer);
}
