public void QuoteNameAndStrings()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
JsonTextWriter writer = new JsonTextWriter(sw) { QuoteName = false };
writer.WriteStartObject();
writer.WritePropertyName("name");
writer.WriteValue("value");
writer.WriteEndObject();
writer.Flush();
Assert.Equal(@"{name:""value""}", sb.ToString());
}
public void NewLine()
{
MemoryStream ms = new MemoryStream();
using (var streamWriter = new StreamWriter(ms, new UTF8Encoding(false)) { NewLine = "\n" })
using (var jsonWriter = new JsonTextWriter(streamWriter)
{
CloseOutput = true,
Indentation = 2,
Formatting = Formatting.Indented
})
{
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("prop");
jsonWriter.WriteValue(true);
jsonWriter.WriteEndObject();
}
byte[] data = ms.ToArray();
string json = Encoding.UTF8.GetString(data, 0, data.Length);
Assert.Equal(@"{" + '\n' + @" ""prop"": true" + '\n' + "}", json);
}
public void Culture()
{
StringWriter sw = new StringWriter();
JsonTextWriter writer = new JsonTextWriter(sw);
writer.Formatting = Formatting.Indented;
writer.DateFormatString = "yyyy tt";
writer.Culture = new CultureInfo("en-NZ");
writer.QuoteChar = '\'';
writer.WriteStartArray();
writer.WriteValue(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Utc));
writer.WriteValue(new DateTimeOffset(2000, 1, 1, 1, 1, 1, TimeSpan.Zero));
writer.WriteEnd();
StringAssert.Equal(@"[
'2000 a.m.',
'2000 a.m.'
]", sw.ToString());
}
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.Equal(Formatting.Indented, jsonWriter.Formatting);
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(data);
jsonWriter.WriteValue(data);
jsonWriter.WriteValue((object)data);
jsonWriter.WriteValue((byte[])null);
jsonWriter.WriteValue((Uri)null);
jsonWriter.WriteEndArray();
}
string expected = @"[
""SGVsbG8gd29ybGQu"",
""SGVsbG8gd29ybGQu"",
""SGVsbG8gd29ybGQu"",
null,
null
]";
string result = sb.ToString();
StringAssert.Equal(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.Equal(Formatting.Indented, jsonWriter.Formatting);
jsonWriter.WriteValue(data);
}
string expected = @"""SGVsbG8gd29ybGQu""";
string result = sb.ToString();
Assert.Equal(expected, result);
byte[] d2 = Convert.FromBase64String(result.Trim('"'));
Assert.Equal(text, Encoding.UTF8.GetString(d2, 0, d2.Length));
}
public void InvalidQuoteChar()
{
AssertException.Throws<ArgumentException>(() =>
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.QuoteChar = '*';
}
}, @"Invalid JavaScript string quote character. Valid quote characters are ' and "".");
}
public void WriteIntegerNumber()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw) { Formatting = Formatting.Indented })
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(int.MaxValue);
jsonWriter.WriteValue(int.MinValue);
jsonWriter.WriteValue(0);
jsonWriter.WriteValue(-0);
jsonWriter.WriteValue(9L);
jsonWriter.WriteValue(9UL);
jsonWriter.WriteValue(long.MaxValue);
jsonWriter.WriteValue(long.MinValue);
jsonWriter.WriteValue(ulong.MaxValue);
jsonWriter.WriteValue(ulong.MinValue);
jsonWriter.WriteEndArray();
}
Console.WriteLine(sb.ToString());
StringAssert.Equal(@"[
2147483647,
-2147483648,
0,
0,
9,
9,
9223372036854775807,
-9223372036854775808,
18446744073709551615,
0
]", sb.ToString());
}
public void WriteRawValue()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
int i = 0;
string rawJson = "[1,2]";
jsonWriter.WriteStartObject();
while (i < 3)
{
jsonWriter.WritePropertyName("d" + i);
jsonWriter.WriteRawValue(rawJson);
i++;
}
jsonWriter.WriteEndObject();
}
Assert.Equal(@"{""d0"":[1,2],""d1"":[1,2],""d2"":[1,2]}", sb.ToString());
}
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.\r\n2. 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.Equal(expected, result);
}
public void WriteValueObjectWithUnsupportedValue()
{
AssertException.Throws<JsonWriterException>(() =>
{
StringWriter sw = new StringWriter();
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.WriteStartArray();
jsonWriter.WriteValue(new Version(1, 1, 1, 1));
jsonWriter.WriteEndArray();
}
}, @"Unsupported type: System.Version. Use the JsonSerializer class to get the object's JSON representation. Path ''.");
}
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.Equal(expected, json);
}
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(DateTimeUtils.InitialJavaScriptDateTicks, DateTimeKind.Utc));
#if !NET20
jsonWriter.WriteValue((DateTimeOffset?)null);
jsonWriter.WriteValue((DateTimeOffset?)new DateTimeOffset(DateTimeUtils.InitialJavaScriptDateTicks, TimeSpan.Zero));
#endif
jsonWriter.WriteEndArray();
}
string json = sw.ToString();
string expected;
#if !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,""1970-01-01T00:00:00Z"",null,""1970-01-01T00:00:00+00:00""]";
#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,""1970-01-01T00:00:00Z""]";
#endif
Assert.Equal(expected, json);
}
public void WriteComments()
{
string json = @"//comment*//*hi*/
{//comment
Name://comment
true//comment after true" + StringUtils.CarriageReturn + @"
,//comment after comma" + StringUtils.CarriageReturnLineFeed + @"
""ExpiryDate""://comment" + StringUtils.LineFeed + @"
new
" + StringUtils.LineFeed +
@"Constructor
(//comment
null//comment
),
""Price"": 3.99,
""Sizes"": //comment
[//comment
""Small""//comment
]//comment
}//comment
//comment 1 ";
JsonTextReader r = new JsonTextReader(new StringReader(json));
StringWriter sw = new StringWriter();
JsonTextWriter w = new JsonTextWriter(sw);
w.Formatting = Formatting.Indented;
w.WriteToken(r, true);
StringAssert.Equal(@"/*comment*//*hi*/*/{/*comment*/
""Name"": /*comment*/ true/*comment after true*//*comment after comma*/,
""ExpiryDate"": /*comment*/ new Constructor(
/*comment*/,
null
/*comment*/
),
""Price"": 3.99,
""Sizes"": /*comment*/ [
/*comment*/
""Small""
/*comment*/
]/*comment*/
}/*comment *//*comment 1 */", sw.ToString());
}
public void QuoteDictionaryNames()
{
var d = new Dictionary<string, int>
{
{ "a", 1 },
};
var jsonSerializerSettings = new JsonSerializerSettings
{
Formatting = Formatting.Indented,
};
var serializer = JsonSerializer.Create(jsonSerializerSettings);
using (var stringWriter = new StringWriter())
{
using (var writer = new JsonTextWriter(stringWriter) { QuoteName = false })
{
serializer.Serialize(writer, d);
writer.Close();
}
StringAssert.Equal(@"{
a: 1
}", stringWriter.ToString());
}
}
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.Equal(expected, result);
}
public void WriteRawInObject()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.WriteStartObject();
jsonWriter.WriteRaw(@"""PropertyName"":[1,2,3,4,5]");
jsonWriter.WriteEnd();
}
string expected = @"{""PropertyName"":[1,2,3,4,5]}";
string result = sb.ToString();
Assert.Equal(expected, result);
}
public void WriteToken()
{
JsonTextReader reader = new JsonTextReader(new StringReader("[1,2,3,4,5]"));
reader.Read();
reader.Read();
StringWriter sw = new StringWriter();
JsonTextWriter writer = new JsonTextWriter(sw);
writer.WriteToken(reader);
Assert.Equal("1", sw.ToString());
}
public void CloseWithRemainingContent()
{
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.Close();
}
string expected = @"{
""CPU"": ""Intel"",
""PSU"": ""500W"",
""Drives"": [
""DVD read/writer""
/*(broken)*/,
""500 gigabyte hard drive"",
""200 gigabype hard drive""
]
}";
string result = sb.ToString();
StringAssert.Equal(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.Equal(@"{""con"":new Ext.data.JsonStore({""aa"":""aa""})}", 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();
Assert.Equal(WriteState.Start, jsonWriter.WriteState);
}
// {
// "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();
StringAssert.Equal(expected, result);
}
public void WriteFloatingPointNumber()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.FloatFormatHandling = FloatFormatHandling.Symbol;
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.Equal(@"[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 State()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
Assert.Equal(WriteState.Start, jsonWriter.WriteState);
jsonWriter.WriteStartObject();
Assert.Equal(WriteState.Object, jsonWriter.WriteState);
Assert.Equal("", jsonWriter.Path);
jsonWriter.WritePropertyName("CPU");
Assert.Equal(WriteState.Property, jsonWriter.WriteState);
Assert.Equal("CPU", jsonWriter.Path);
jsonWriter.WriteValue("Intel");
Assert.Equal(WriteState.Object, jsonWriter.WriteState);
Assert.Equal("CPU", jsonWriter.Path);
jsonWriter.WritePropertyName("Drives");
Assert.Equal(WriteState.Property, jsonWriter.WriteState);
Assert.Equal("Drives", jsonWriter.Path);
jsonWriter.WriteStartArray();
Assert.Equal(WriteState.Array, jsonWriter.WriteState);
jsonWriter.WriteValue("DVD read/writer");
Assert.Equal(WriteState.Array, jsonWriter.WriteState);
Assert.Equal("Drives[0]", jsonWriter.Path);
jsonWriter.WriteEnd();
Assert.Equal(WriteState.Object, jsonWriter.WriteState);
Assert.Equal("Drives", jsonWriter.Path);
jsonWriter.WriteEndObject();
Assert.Equal(WriteState.Start, jsonWriter.WriteState);
Assert.Equal("", jsonWriter.Path);
}
}
public void BadWriteEndArray()
{
AssertException.Throws<JsonWriterException>(() =>
{
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();
}
}, "No token to close. Path ''.");
}
public void FloatingPointNonFiniteNumbers_Zero()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.FloatFormatHandling = FloatFormatHandling.DefaultValue;
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.WriteValue((double?)double.NaN);
jsonWriter.WriteValue((double?)double.PositiveInfinity);
jsonWriter.WriteValue((double?)double.NegativeInfinity);
jsonWriter.WriteValue((float?)float.NaN);
jsonWriter.WriteValue((float?)float.PositiveInfinity);
jsonWriter.WriteValue((float?)float.NegativeInfinity);
jsonWriter.WriteEndArray();
jsonWriter.Flush();
}
string expected = @"[
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
null,
null,
null,
null,
null,
null
]";
string result = sb.ToString();
StringAssert.Equal(expected, result);
}
public void Indentation()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.FloatFormatHandling = FloatFormatHandling.Symbol;
Assert.Equal(Formatting.Indented, jsonWriter.Formatting);
jsonWriter.Indentation = 5;
Assert.Equal(5, jsonWriter.Indentation);
jsonWriter.IndentChar = '_';
Assert.Equal('_', jsonWriter.IndentChar);
jsonWriter.QuoteName = true;
Assert.Equal(true, jsonWriter.QuoteName);
jsonWriter.QuoteChar = '\'';
Assert.Equal('\'', jsonWriter.QuoteChar);
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("propertyName");
jsonWriter.WriteValue(double.NaN);
jsonWriter.IndentChar = '?';
Assert.Equal('?', jsonWriter.IndentChar);
jsonWriter.Indentation = 6;
Assert.Equal(6, jsonWriter.Indentation);
jsonWriter.WritePropertyName("prop2");
jsonWriter.WriteValue(123);
jsonWriter.WriteEndObject();
}
string expected = @"{
_____'propertyName': NaN,
??????'prop2': 123
}";
string result = sb.ToString();
StringAssert.Equal(expected, result);
}
public void FloatingPointNonFiniteNumbers_QuoteChar()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonTextWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.FloatFormatHandling = FloatFormatHandling.String;
jsonWriter.QuoteChar = '\'';
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();
StringAssert.Equal(expected, result);
}
public void CloseOutput()
{
MemoryStream ms = new MemoryStream();
JsonTextWriter writer = new JsonTextWriter(new StreamWriter(ms));
Assert.True(ms.CanRead);
writer.Close();
Assert.False(ms.CanRead);
ms = new MemoryStream();
writer = new JsonTextWriter(new StreamWriter(ms)) { CloseOutput = false };
Assert.True(ms.CanRead);
writer.Close();
Assert.True(ms.CanRead);
}
public void WriteRawInArray()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jsonWriter = new JsonTextWriter(sw))
{
jsonWriter.Formatting = Formatting.Indented;
jsonWriter.FloatFormatHandling = FloatFormatHandling.Symbol;
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();
StringAssert.Equal(expected, result);
}
public void Path()
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
string text = "Hello world.";
byte[] data = Encoding.UTF8.GetBytes(text);
using (JsonTextWriter writer = new JsonTextWriter(sw))
{
writer.Formatting = Formatting.Indented;
writer.WriteStartArray();
Assert.Equal("", writer.Path);
writer.WriteStartObject();
Assert.Equal("[0]", writer.Path);
writer.WritePropertyName("Property1");
Assert.Equal("[0].Property1", writer.Path);
writer.WriteStartArray();
Assert.Equal("[0].Property1", writer.Path);
writer.WriteValue(1);
Assert.Equal("[0].Property1[0]", writer.Path);
writer.WriteStartArray();
Assert.Equal("[0].Property1[1]", writer.Path);
writer.WriteStartArray();
Assert.Equal("[0].Property1[1][0]", writer.Path);
writer.WriteStartArray();
Assert.Equal("[0].Property1[1][0][0]", writer.Path);
writer.WriteEndObject();
Assert.Equal("[0]", writer.Path);
writer.WriteStartObject();
Assert.Equal("[1]", writer.Path);
writer.WritePropertyName("Property2");
Assert.Equal("[1].Property2", writer.Path);
writer.WriteStartConstructor("Constructor1");
Assert.Equal("[1].Property2", writer.Path);
writer.WriteNull();
Assert.Equal("[1].Property2[0]", writer.Path);
writer.WriteStartArray();
Assert.Equal("[1].Property2[1]", writer.Path);
writer.WriteValue(1);
Assert.Equal("[1].Property2[1][0]", writer.Path);
writer.WriteEnd();
Assert.Equal("[1].Property2[1]", writer.Path);
writer.WriteEndObject();
Assert.Equal("[1]", writer.Path);
writer.WriteEndArray();
Assert.Equal("", writer.Path);
}
StringAssert.Equal(@"[
{
""Property1"": [
1,
[
[
[]
]
]
]
},
{
""Property2"": new Constructor1(
null,
[
1
]
)
}
]", sb.ToString());
}
public void QuoteChar()
{
StringWriter sw = new StringWriter();
JsonTextWriter writer = new JsonTextWriter(sw);
writer.Formatting = Formatting.Indented;
writer.QuoteChar = '\'';
writer.WriteStartArray();
writer.WriteValue(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Utc));
writer.WriteValue(new DateTimeOffset(2000, 1, 1, 1, 1, 1, TimeSpan.Zero));
writer.DateFormatHandling = DateFormatHandling.MicrosoftDateFormat;
writer.WriteValue(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Utc));
writer.WriteValue(new DateTimeOffset(2000, 1, 1, 1, 1, 1, TimeSpan.Zero));
writer.DateFormatString = "yyyy gg";
writer.WriteValue(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Utc));
writer.WriteValue(new DateTimeOffset(2000, 1, 1, 1, 1, 1, TimeSpan.Zero));
writer.WriteValue(new byte[] { 1, 2, 3 });
writer.WriteValue(TimeSpan.Zero);
writer.WriteValue(new Uri("http://www.google.com/"));
writer.WriteValue(Guid.Empty);
writer.WriteEnd();
StringAssert.Equal(@"[
'2000-01-01T01:01:01Z',
'2000-01-01T01:01:01+00:00',
'\/Date(946688461000)\/',
'\/Date(946688461000+0000)\/',
'2000 A.D.',
'2000 A.D.',
'AQID',
'00:00:00',
'http://www.google.com/',
'00000000-0000-0000-0000-000000000000'
]", sw.ToString());
}