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using System;
using System.Runtime.Serialization;
using Newtonsoft.Json.Converters;
#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 StringEnumConverterTests : TestFixtureBase
{
public class EnumClass
{
public StoreColor StoreColor { get; set; }
public StoreColor? NullableStoreColor1 { get; set; }
public StoreColor? NullableStoreColor2 { get; set; }
}
public class EnumContainer<T>
{
public T Enum { get; set; }
}
[Flags]
public enum FlagsTestEnum
{
Default = 0,
First = 1,
Second = 2
}
public enum NegativeEnum
{
Negative = -1,
Zero = 0,
Positive = 1
}
#if !NET20
public enum NamedEnum
{
[EnumMember(Value = "@first")]
First,
[EnumMember(Value = "@second")]
Second,
Third
}
public enum NamedEnumDuplicate
{
[EnumMember(Value = "Third")]
First,
[EnumMember(Value = "@second")]
Second,
Third
}
#endif
public class NegativeEnumClass
{
public NegativeEnum Value1 { get; set; }
public NegativeEnum Value2 { get; set; }
}
#if !NET20
[Test]
public void NamedEnumDuplicateTest()
{
ExceptionAssert.Throws<Exception>("Enum name 'Third' already exists on enum 'NamedEnumDuplicate'.",
() =>
{
EnumContainer<NamedEnumDuplicate> c = new EnumContainer<NamedEnumDuplicate>
{
Enum = NamedEnumDuplicate.First
};
JsonConvert.SerializeObject(c, Formatting.Indented, new StringEnumConverter());
});
}
[Test]
public void SerializeNameEnumTest()
{
EnumContainer<NamedEnum> c = new EnumContainer<NamedEnum>
{
Enum = NamedEnum.First
};
string json = JsonConvert.SerializeObject(c, Formatting.Indented, new StringEnumConverter());
Assert.AreEqual(@"{
""Enum"": ""@first""
}", json);
c = new EnumContainer<NamedEnum>
{
Enum = NamedEnum.Third
};
json = JsonConvert.SerializeObject(c, Formatting.Indented, new StringEnumConverter());
Assert.AreEqual(@"{
""Enum"": ""Third""
}", json);
}
[Test]
public void DeserializeNameEnumTest()
{
string json = @"{
""Enum"": ""@first""
}";
EnumContainer<NamedEnum> c = JsonConvert.DeserializeObject<EnumContainer<NamedEnum>>(json, new StringEnumConverter());
Assert.AreEqual(NamedEnum.First, c.Enum);
json = @"{
""Enum"": ""Third""
}";
c = JsonConvert.DeserializeObject<EnumContainer<NamedEnum>>(json, new StringEnumConverter());
Assert.AreEqual(NamedEnum.Third, c.Enum);
}
#endif
[Test]
public void SerializeEnumClass()
{
EnumClass enumClass = new EnumClass();
enumClass.StoreColor = StoreColor.Red;
enumClass.NullableStoreColor1 = StoreColor.White;
enumClass.NullableStoreColor2 = null;
string json = JsonConvert.SerializeObject(enumClass, Formatting.Indented, new StringEnumConverter());
Assert.AreEqual(@"{
""StoreColor"": ""Red"",
""NullableStoreColor1"": ""White"",
""NullableStoreColor2"": null
}", json);
}
[Test]
public void SerializeEnumClassWithCamelCase()
{
EnumClass enumClass = new EnumClass();
enumClass.StoreColor = StoreColor.Red;
enumClass.NullableStoreColor1 = StoreColor.DarkGoldenrod;
enumClass.NullableStoreColor2 = null;
string json = JsonConvert.SerializeObject(enumClass, Formatting.Indented, new StringEnumConverter { CamelCaseText = true });
Assert.AreEqual(@"{
""StoreColor"": ""red"",
""NullableStoreColor1"": ""darkGoldenrod"",
""NullableStoreColor2"": null
}", json);
}
[Test]
public void SerializeEnumClassUndefined()
{
EnumClass enumClass = new EnumClass();
enumClass.StoreColor = (StoreColor)1000;
enumClass.NullableStoreColor1 = (StoreColor)1000;
enumClass.NullableStoreColor2 = null;
string json = JsonConvert.SerializeObject(enumClass, Formatting.Indented, new StringEnumConverter());
Assert.AreEqual(@"{
""StoreColor"": 1000,
""NullableStoreColor1"": 1000,
""NullableStoreColor2"": null
}", json);
}
[Test]
public void SerializeFlagEnum()
{
EnumClass enumClass = new EnumClass();
enumClass.StoreColor = StoreColor.Red | StoreColor.White;
enumClass.NullableStoreColor1 = StoreColor.White & StoreColor.Yellow;
enumClass.NullableStoreColor2 = StoreColor.Red | StoreColor.White | StoreColor.Black;
string json = JsonConvert.SerializeObject(enumClass, Formatting.Indented, new StringEnumConverter());
Assert.AreEqual(@"{
""StoreColor"": ""Red, White"",
""NullableStoreColor1"": 0,
""NullableStoreColor2"": ""Black, Red, White""
}", json);
}
[Test]
public void SerializeNegativeEnum()
{
NegativeEnumClass negativeEnumClass = new NegativeEnumClass();
negativeEnumClass.Value1 = NegativeEnum.Negative;
negativeEnumClass.Value2 = (NegativeEnum) int.MinValue;
string json = JsonConvert.SerializeObject(negativeEnumClass, Formatting.Indented, new StringEnumConverter());
Assert.AreEqual(@"{
""Value1"": ""Negative"",
""Value2"": -2147483648
}", json);
}
[Test]
public void DeserializeNegativeEnum()
{
string json = @"{
""Value1"": ""Negative"",
""Value2"": -2147483648
}";
NegativeEnumClass negativeEnumClass = JsonConvert.DeserializeObject<NegativeEnumClass>(json, new StringEnumConverter());
Assert.AreEqual(NegativeEnum.Negative, negativeEnumClass.Value1);
Assert.AreEqual((NegativeEnum)int.MinValue, negativeEnumClass.Value2);
}
[Test]
public void DeserializeFlagEnum()
{
string json = @"{
""StoreColor"": ""Red, White"",
""NullableStoreColor1"": 0,
""NullableStoreColor2"": ""black, Red, White""
}";
EnumClass enumClass = JsonConvert.DeserializeObject<EnumClass>(json, new StringEnumConverter());
Assert.AreEqual(StoreColor.Red | StoreColor.White, enumClass.StoreColor);
Assert.AreEqual((StoreColor)0, enumClass.NullableStoreColor1);
Assert.AreEqual(StoreColor.Red | StoreColor.White | StoreColor.Black, enumClass.NullableStoreColor2);
}
[Test]
public void DeserializeEnumClass()
{
string json = @"{
""StoreColor"": ""Red"",
""NullableStoreColor1"": ""White"",
""NullableStoreColor2"": null
}";
EnumClass enumClass = JsonConvert.DeserializeObject<EnumClass>(json, new StringEnumConverter());
Assert.AreEqual(StoreColor.Red, enumClass.StoreColor);
Assert.AreEqual(StoreColor.White, enumClass.NullableStoreColor1);
Assert.AreEqual(null, enumClass.NullableStoreColor2);
}
[Test]
public void DeserializeEnumClassUndefined()
{
string json = @"{
""StoreColor"": 1000,
""NullableStoreColor1"": 1000,
""NullableStoreColor2"": null
}";
EnumClass enumClass = JsonConvert.DeserializeObject<EnumClass>(json, new StringEnumConverter());
Assert.AreEqual((StoreColor)1000, enumClass.StoreColor);
Assert.AreEqual((StoreColor)1000, enumClass.NullableStoreColor1);
Assert.AreEqual(null, enumClass.NullableStoreColor2);
}
[Test]
public void CamelCaseTextFlagEnumSerialization()
{
EnumContainer<FlagsTestEnum> c = new EnumContainer<FlagsTestEnum>
{
Enum = FlagsTestEnum.First | FlagsTestEnum.Second
};
string json = JsonConvert.SerializeObject(c, Formatting.Indented, new StringEnumConverter { CamelCaseText = true });
Assert.AreEqual(@"{
""Enum"": ""first, second""
}", json);
}
[Test]
public void CamelCaseTextFlagEnumDeserialization()
{
string json = @"{
""Enum"": ""first, second""
}";
EnumContainer<FlagsTestEnum> c = JsonConvert.DeserializeObject<EnumContainer<FlagsTestEnum>>(json, new StringEnumConverter { CamelCaseText = true });
Assert.AreEqual(FlagsTestEnum.First | FlagsTestEnum.Second, c.Enum);
}
}
}
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