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using System;
using System.Collections.Generic;
#if !SILVERLIGHT && !PocketPC && !NET20 && !NETFX_CORE
using System.Data.Linq;
#endif
#if !SILVERLIGHT && !NETFX_CORE
using System.Data.SqlTypes;
#endif
using System.IO;
using System.Text.RegularExpressions;
using Newtonsoft.Json.Bson;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Utilities;
#if !NETFX_CORE
using NUnit.Framework;
#else
using Microsoft.VisualStudio.TestTools.UnitTesting;
using TestFixture = Microsoft.VisualStudio.TestTools.UnitTesting.TestClassAttribute;
using Test = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute;
#endif
using Newtonsoft.Json.Tests.TestObjects;
namespace Newtonsoft.Json.Tests.Converters
{
[TestFixture]
public class RegexConverterTests : TestFixtureBase
{
public class RegexTestClass
{
public Regex Regex { get; set; }
}
[Test]
public void SerializeToText()
{
Regex regex = new Regex("abc", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
string json = JsonConvert.SerializeObject(regex, Formatting.Indented, new RegexConverter());
Assert.AreEqual(@"{
""Pattern"": ""abc"",
""Options"": 513
}", json);
}
[Test]
public void SerializeToBson()
{
Regex regex = new Regex("abc", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
MemoryStream ms = new MemoryStream();
BsonWriter writer = new BsonWriter(ms);
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(new RegexConverter());
serializer.Serialize(writer, new RegexTestClass { Regex = regex });
string expected = "13-00-00-00-0B-52-65-67-65-78-00-61-62-63-00-69-75-00-00";
string bson = MiscellaneousUtils.BytesToHex(ms.ToArray());
Assert.AreEqual(expected, bson);
}
[Test]
public void DeserializeFromText()
{
string json = @"{
""Pattern"": ""abc"",
""Options"": 513
}";
Regex newRegex = JsonConvert.DeserializeObject<Regex>(json, new RegexConverter());
Assert.AreEqual("abc", newRegex.ToString());
Assert.AreEqual(RegexOptions.IgnoreCase | RegexOptions.CultureInvariant, newRegex.Options);
}
[Test]
public void DeserializeFromBson()
{
MemoryStream ms = new MemoryStream(MiscellaneousUtils.HexToBytes("13-00-00-00-0B-52-65-67-65-78-00-61-62-63-00-69-75-00-00"));
BsonReader reader = new BsonReader(ms);
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(new RegexConverter());
RegexTestClass c = serializer.Deserialize<RegexTestClass>(reader);
Assert.AreEqual("abc", c.Regex.ToString());
Assert.AreEqual(RegexOptions.IgnoreCase, c.Regex.Options);
}
[Test]
public void ConvertEmptyRegexBson()
{
Regex regex = new Regex(string.Empty);
MemoryStream ms = new MemoryStream();
BsonWriter writer = new BsonWriter(ms);
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(new RegexConverter());
serializer.Serialize(writer, new RegexTestClass { Regex = regex });
ms.Seek(0, SeekOrigin.Begin);
BsonReader reader = new BsonReader(ms);
serializer.Converters.Add(new RegexConverter());
RegexTestClass c = serializer.Deserialize<RegexTestClass>(reader);
Assert.AreEqual("", c.Regex.ToString());
Assert.AreEqual(RegexOptions.None, c.Regex.Options);
}
[Test]
public void ConvertRegexWithAllOptionsBson()
{
Regex regex = new Regex(
"/",
RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.Multiline | RegexOptions.ExplicitCapture);
MemoryStream ms = new MemoryStream();
BsonWriter writer = new BsonWriter(ms);
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(new RegexConverter());
serializer.Serialize(writer, new RegexTestClass { Regex = regex });
string expected = "14-00-00-00-0B-52-65-67-65-78-00-2F-00-69-6D-73-75-78-00-00";
string bson = MiscellaneousUtils.BytesToHex(ms.ToArray());
Assert.AreEqual(expected, bson);
ms.Seek(0, SeekOrigin.Begin);
BsonReader reader = new BsonReader(ms);
serializer.Converters.Add(new RegexConverter());
RegexTestClass c = serializer.Deserialize<RegexTestClass>(reader);
Assert.AreEqual("/", c.Regex.ToString());
Assert.AreEqual(RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.Multiline | RegexOptions.ExplicitCapture, c.Regex.Options);
}
[Test]
public void ConvertEmptyRegexJson()
{
Regex regex = new Regex("");
string json = JsonConvert.SerializeObject(new RegexTestClass { Regex = regex }, Formatting.Indented, new RegexConverter());
Assert.AreEqual(@"{
""Regex"": {
""Pattern"": """",
""Options"": 0
}
}", json);
RegexTestClass newRegex = JsonConvert.DeserializeObject<RegexTestClass>(json, new RegexConverter());
Assert.AreEqual("", newRegex.Regex.ToString());
Assert.AreEqual(RegexOptions.None, newRegex.Regex.Options);
}
}
}
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