public void ValueFormatting()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
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((object)null);
jsonWriter.WriteValue("This is a string.");
jsonWriter.WriteNull();
jsonWriter.WriteUndefined();
jsonWriter.WriteEndArray();
}
string expected = @"[""@"",""\r\n\t\f\b?{\\r\\n\""'"",true,10,10.99,0.99,1E-18,0.000000000000000001,null,null,""This is a string."",null,undefined]";
string result = sb.ToString();
Console.WriteLine("ValueFormatting");
Console.WriteLine(result);
Assert.AreEqual(expected, result);
}
public void WriteSingleBytes()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
string text = "Hello world.";
byte[] data = Encoding.UTF8.GetBytes(text);
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
Assert.AreEqual(Formatting.Indented, jsonWriter.Formatting);
jsonWriter.WriteValue(data);
}
string expected = @"""SGVsbG8gd29ybGQu""";
string result = sb.ToString();
Assert.AreEqual(expected, result);
byte[] d2 = Convert.FromBase64String(result.Trim('"'));
Assert.AreEqual(text, Encoding.UTF8.GetString(d2, 0, d2.Length));
}
public void BadWriteEndArray()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(0.0);
jsonWriter.WriteEndArray();
jsonWriter.WriteEndArray();
}
}
public void Indentation()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
Assert.AreEqual(Formatting.Indented, jsonWriter.Formatting);
jsonWriter.Indentation = 5;
Assert.AreEqual(5, jsonWriter.Indentation);
jsonWriter.IndentChar = '_';
Assert.AreEqual('_', jsonWriter.IndentChar);
jsonWriter.QuoteName = true;
Assert.AreEqual(true, jsonWriter.QuoteName);
jsonWriter.QuoteChar = '\'';
Assert.AreEqual('\'', jsonWriter.QuoteChar);
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("propertyName");
jsonWriter.WriteValue(double.NaN);
jsonWriter.WriteEndObject();
}
string expected = @"{
_____'propertyName': NaN
}";
string result = sb.ToString();
Assert.AreEqual(expected, result);
}
public void WriteObjectNestedInConstructor()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("con");
jsonWriter.WriteStartConstructor("Ext.data.JsonStore");
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("aa");
jsonWriter.WriteValue("aa");
jsonWriter.WriteEndObject();
jsonWriter.WriteEndConstructor();
jsonWriter.WriteEndObject();
}
Assert.AreEqual(@"{""con"":new Ext.data.JsonStore({""aa"":""aa""})}", sb.ToString());
}
public void WriteFloatingPointNumber()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(0.0);
jsonWriter.WriteValue(0f);
jsonWriter.WriteValue(0.1);
jsonWriter.WriteValue(1.0);
jsonWriter.WriteValue(1.000001);
jsonWriter.WriteValue(0.000001);
jsonWriter.WriteValue(double.Epsilon);
jsonWriter.WriteValue(double.PositiveInfinity);
jsonWriter.WriteValue(double.NegativeInfinity);
jsonWriter.WriteValue(double.NaN);
jsonWriter.WriteValue(double.MaxValue);
jsonWriter.WriteValue(double.MinValue);
jsonWriter.WriteValue(float.PositiveInfinity);
jsonWriter.WriteValue(float.NegativeInfinity);
jsonWriter.WriteValue(float.NaN);
jsonWriter.WriteEndArray();
}
Assert.AreEqual(@"[0.0,0.0,0.1,1.0,1.000001,1E-06,4.94065645841247E-324,Infinity,-Infinity,NaN,1.7976931348623157E+308,-1.7976931348623157E+308,Infinity,-Infinity,NaN]", sb.ToString());
}
public void FloatingPointNonFiniteNumbers()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(double.NaN);
jsonWriter.WriteValue(double.PositiveInfinity);
jsonWriter.WriteValue(double.NegativeInfinity);
jsonWriter.WriteValue(float.NaN);
jsonWriter.WriteValue(float.PositiveInfinity);
jsonWriter.WriteValue(float.NegativeInfinity);
jsonWriter.WriteEndArray();
jsonWriter.Flush();
}
string expected = @"[
NaN,
Infinity,
-Infinity,
NaN,
Infinity,
-Infinity
]";
string result = sb.ToString();
Assert.AreEqual(expected, result);
}
public void WriteReadWrite()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw)
{
Formatting = Formatting.Indented
})
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(true);
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("integer");
jsonWriter.WriteValue(99);
jsonWriter.WritePropertyName("string");
jsonWriter.WriteValue("how now brown cow?");
jsonWriter.WritePropertyName("array");
jsonWriter.WriteStartArray();
for (int i = 0; i < 5; i++)
{
jsonWriter.WriteValue(i);
}
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("decimal");
jsonWriter.WriteValue(990.00990099m);
jsonWriter.WriteEndObject();
jsonWriter.WriteValue(5);
jsonWriter.WriteEndArray();
jsonWriter.WriteEndObject();
jsonWriter.WriteValue("This is a string.");
jsonWriter.WriteNull();
jsonWriter.WriteNull();
jsonWriter.WriteEndArray();
}
string json = sb.ToString();
JsonSerializer serializer = new JsonSerializer();
object jsonObject = serializer.Deserialize(new JsonTextReader(new StringReader(json)));
sb = new StringBuilder();
sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw)
{
Formatting = Formatting.Indented
})
{
serializer.Serialize(jsonWriter, jsonObject);
}
Assert.AreEqual(json, sb.ToString());
}
public void Indenting()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("CPU");
jsonWriter.WriteValue("Intel");
jsonWriter.WritePropertyName("PSU");
jsonWriter.WriteValue("500W");
jsonWriter.WritePropertyName("Drives");
jsonWriter.WriteStartArray();
jsonWriter.WriteValue("DVD read/writer");
jsonWriter.WriteComment("(broken)");
jsonWriter.WriteValue("500 gigabyte hard drive");
jsonWriter.WriteValue("200 gigabype hard drive");
jsonWriter.WriteEnd();
jsonWriter.WriteEndObject();
}
// {
// "CPU": "Intel",
// "PSU": "500W",
// "Drives": [
// "DVD read/writer"
// /*(broken)*/,
// "500 gigabyte hard drive",
// "200 gigabype hard drive"
// ]
// }
string expected = @"{
""CPU"": ""Intel"",
""PSU"": ""500W"",
""Drives"": [
""DVD read/writer""
/*(broken)*/,
""500 gigabyte hard drive"",
""200 gigabype hard drive""
]
}";
string result = sb.ToString();
Console.WriteLine("Indenting");
Console.WriteLine(result);
Assert.AreEqual(expected, result);
}
public void State()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
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.WriteEnd();
Assert.AreEqual(WriteState.Object, jsonWriter.WriteState);
jsonWriter.WriteEndObject();
Assert.AreEqual(WriteState.Start, jsonWriter.WriteState);
}
}
public void StringEscaping()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(@"""These pretzels are making me thirsty!""");
jsonWriter.WriteValue("Jeff's house was burninated.");
jsonWriter.WriteValue(@"1. You don't talk about fight club.
2. You don't talk about fight club.");
jsonWriter.WriteValue("35% of\t statistics\n are made\r up.");
jsonWriter.WriteEndArray();
}
string expected = @"[""\""These pretzels are making me thirsty!\"""",""Jeff's house was burninated."",""1. You don't talk about fight club.\r\n2. You don't talk about fight club."",""35% of\t statistics\n are made\r up.""]";
string result = sb.ToString();
Console.WriteLine("StringEscaping");
Console.WriteLine(result);
Assert.AreEqual(expected, result);
}
public void WriteValueObjectWithUnsupportedValue()
{
StringWriter sw = new StringWriter();
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(new Version(1, 1, 1, 1));
jsonWriter.WriteEndArray();
}
}
public void WriteValueObjectWithNullable()
{
StringWriter sw = new StringWriter();
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
char? value = 'c';
jsonWriter.WriteStartArray();
jsonWriter.WriteValue((object)value);
jsonWriter.WriteEndArray();
}
string json = sw.ToString();
string expected = @"[""c""]";
Assert.AreEqual(expected, json);
}
public void WriteBytesInArray()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
string text = "Hello world.";
byte[] data = Encoding.UTF8.GetBytes(text);
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
Assert.AreEqual(Formatting.Indented, jsonWriter.Formatting);
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(data);
jsonWriter.WriteValue(data);
jsonWriter.WriteValue((object)data);
jsonWriter.WriteValue((byte[])null);
jsonWriter.WriteEndArray();
}
string expected = @"[
""SGVsbG8gd29ybGQu"",
""SGVsbG8gd29ybGQu"",
""SGVsbG8gd29ybGQu"",
null
]";
string result = sb.ToString();
Assert.AreEqual(expected, result);
}
public void WriteRawInArray()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(double.NaN);
jsonWriter.WriteRaw(",[1,2,3,4,5]");
jsonWriter.WriteRaw(",[1,2,3,4,5]");
jsonWriter.WriteValue(float.NaN);
jsonWriter.WriteEndArray();
}
string expected = @"[
NaN,[1,2,3,4,5],[1,2,3,4,5],
NaN
]";
string result = sb.ToString();
Assert.AreEqual(expected, result);
}
public void NullableValueFormatting()
{
StringWriter sw = new StringWriter();
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue((char?)null);
jsonWriter.WriteValue((char?)'c');
jsonWriter.WriteValue((bool?)null);
jsonWriter.WriteValue((bool?)true);
jsonWriter.WriteValue((byte?)null);
jsonWriter.WriteValue((byte?)1);
jsonWriter.WriteValue((sbyte?)null);
jsonWriter.WriteValue((sbyte?)1);
jsonWriter.WriteValue((short?)null);
jsonWriter.WriteValue((short?)1);
jsonWriter.WriteValue((ushort?)null);
jsonWriter.WriteValue((ushort?)1);
jsonWriter.WriteValue((int?)null);
jsonWriter.WriteValue((int?)1);
jsonWriter.WriteValue((uint?)null);
jsonWriter.WriteValue((uint?)1);
jsonWriter.WriteValue((long?)null);
jsonWriter.WriteValue((long?)1);
jsonWriter.WriteValue((ulong?)null);
jsonWriter.WriteValue((ulong?)1);
jsonWriter.WriteValue((double?)null);
jsonWriter.WriteValue((double?)1.1);
jsonWriter.WriteValue((float?)null);
jsonWriter.WriteValue((float?)1.1);
jsonWriter.WriteValue((decimal?)null);
jsonWriter.WriteValue((decimal?)1.1m);
jsonWriter.WriteValue((DateTime?)null);
jsonWriter.WriteValue((DateTime?)new DateTime(JsonConvert.InitialJavaScriptDateTicks, DateTimeKind.Utc));
#if !PocketPC && !NET20
jsonWriter.WriteValue((DateTimeOffset?)null);
jsonWriter.WriteValue((DateTimeOffset?)new DateTimeOffset(JsonConvert.InitialJavaScriptDateTicks, TimeSpan.Zero));
#endif
jsonWriter.WriteEndArray();
}
string json = sw.ToString();
string expected;
#if !PocketPC && !NET20
expected = @"[null,""c"",null,true,null,1,null,1,null,1,null,1,null,1,null,1,null,1,null,1,null,1.1,null,1.1,null,1.1,null,""\/Date(0)\/"",null,""\/Date(0+0000)\/""]";
#else
expected = @"[null,""c"",null,true,null,1,null,1,null,1,null,1,null,1,null,1,null,1,null,1,null,1.1,null,1.1,null,1.1,null,""\/Date(0)\/""]";
#endif
Assert.AreEqual(expected, json);
}
public void ReadLongJsonArray()
{
int valueCount = 10000;
StringWriter sw = new StringWriter();
JsonTextWriter writer = new JsonTextWriter(sw);
writer.WriteStartArray();
for (int i = 0; i < valueCount; i++)
{
writer.WriteValue(i);
}
writer.WriteEndArray();
string json = sw.ToString();
JsonTextReader reader = new JsonTextReader(new StringReader(json));
Assert.IsTrue(reader.Read());
for (int i = 0; i < valueCount; i++)
{
Assert.IsTrue(reader.Read());
Assert.AreEqual(i, reader.Value);
}
Assert.IsTrue(reader.Read());
Assert.IsFalse(reader.Read());
}