302 lines
9.6 KiB
C#
302 lines
9.6 KiB
C#
#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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#if !(PORTABLE40 || NET20 || NET35)
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using System;
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using System.Diagnostics;
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using System.Reflection;
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#if !NETFX_CORE
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using NUnit.Framework;
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#else
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using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
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using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
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using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
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#endif
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using Newtonsoft.Json.Serialization;
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using Newtonsoft.Json.Utilities;
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using Newtonsoft.Json.Tests.TestObjects;
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using Newtonsoft.Json.Tests.Serialization;
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namespace Newtonsoft.Json.Tests.Utilities
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{
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[TestFixture]
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public class ExpressionReflectionDelegateFactoryTests : TestFixtureBase
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{
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[Test]
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public void DefaultConstructor()
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{
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Func<object> create = ExpressionReflectionDelegateFactory.Instance.CreateDefaultConstructor<object>(typeof(Movie));
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Movie m = (Movie)create();
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Assert.IsNotNull(m);
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}
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[Test]
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public void DefaultConstructor_Struct()
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{
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Func<object> create = ExpressionReflectionDelegateFactory.Instance.CreateDefaultConstructor<object>(typeof(StructTest));
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StructTest m = (StructTest)create();
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Assert.IsNotNull(m);
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}
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[Test]
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public void DefaultConstructor_Abstract()
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{
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ExceptionAssert.Throws<MissingMethodException>("Cannot create an abstract class.",
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() =>
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{
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Func<object> create = ExpressionReflectionDelegateFactory.Instance.CreateDefaultConstructor<object>(typeof(Type));
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create();
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});
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}
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[Test]
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public void CreatePropertySetter()
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{
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Action<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(Movie).GetProperty("Name"));
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Movie m = new Movie();
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setter(m, "OH HAI!");
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Assert.AreEqual("OH HAI!", m.Name);
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}
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[Test]
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public void CreatePropertyGetter()
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{
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Func<object, object> getter = ExpressionReflectionDelegateFactory.Instance.CreateGet<object>(typeof(Movie).GetProperty("Name"));
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Movie m = new Movie();
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m.Name = "OH HAI!";
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object value = getter(m);
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Assert.AreEqual("OH HAI!", value);
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}
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[Test]
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public void CreateMethodCall()
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{
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MethodCall<object, object> method = ExpressionReflectionDelegateFactory.Instance.CreateMethodCall<object>(typeof(Movie).GetMethod("ToString"));
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Movie m = new Movie();
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object result = method(m);
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Assert.AreEqual("Newtonsoft.Json.Tests.TestObjects.Movie", result);
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method = ExpressionReflectionDelegateFactory.Instance.CreateMethodCall<object>(typeof(Movie).GetMethod("Equals"));
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result = method(m, m);
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Assert.AreEqual(true, result);
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}
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[Test]
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public void CreateMethodCall_Constructor()
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{
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MethodCall<object, object> method = ExpressionReflectionDelegateFactory.Instance.CreateMethodCall<object>(typeof(Movie).GetConstructor(new Type[0]));
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object result = method(null);
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Assert.IsTrue(result is Movie);
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}
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public static class StaticTestClass
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{
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public static string StringField;
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public static string StringProperty { get; set; }
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}
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[Test]
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public void GetStatic()
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{
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StaticTestClass.StringField = "Field!";
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StaticTestClass.StringProperty = "Property!";
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Func<object, object> getter = ExpressionReflectionDelegateFactory.Instance.CreateGet<object>(typeof(StaticTestClass).GetProperty("StringProperty"));
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object v = getter(null);
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Assert.AreEqual(StaticTestClass.StringProperty, v);
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getter = ExpressionReflectionDelegateFactory.Instance.CreateGet<object>(typeof(StaticTestClass).GetField("StringField"));
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v = getter(null);
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Assert.AreEqual(StaticTestClass.StringField, v);
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}
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[Test]
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public void SetStatic()
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{
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Action<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(StaticTestClass).GetProperty("StringProperty"));
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setter(null, "New property!");
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Assert.AreEqual("New property!", StaticTestClass.StringProperty);
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setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(StaticTestClass).GetField("StringField"));
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setter(null, "New field!");
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Assert.AreEqual("New field!", StaticTestClass.StringField);
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}
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public class FieldsTestClass
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{
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public string StringField;
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public bool BoolField;
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public readonly int IntReadOnlyField = int.MaxValue;
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}
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[Test]
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public void CreateGetField()
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{
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FieldsTestClass c = new FieldsTestClass
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{
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BoolField = true,
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StringField = "String!"
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};
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Func<object, object> getter = ExpressionReflectionDelegateFactory.Instance.CreateGet<object>(typeof(FieldsTestClass).GetField("StringField"));
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object value = getter(c);
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Assert.AreEqual("String!", value);
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getter = ExpressionReflectionDelegateFactory.Instance.CreateGet<object>(typeof(FieldsTestClass).GetField("BoolField"));
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value = getter(c);
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Assert.AreEqual(true, value);
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}
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[Test]
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public void CreateSetField_ReadOnly()
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{
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FieldsTestClass c = new FieldsTestClass();
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Action<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(FieldsTestClass).GetField("IntReadOnlyField"));
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setter(c, int.MinValue);
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Assert.AreEqual(int.MinValue, c.IntReadOnlyField);
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}
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[Test]
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public void CreateSetField()
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{
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FieldsTestClass c = new FieldsTestClass();
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Action<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(FieldsTestClass).GetField("StringField"));
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setter(c, "String!");
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Assert.AreEqual("String!", c.StringField);
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setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(FieldsTestClass).GetField("BoolField"));
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setter(c, true);
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Assert.AreEqual(true, c.BoolField);
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}
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[Test]
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public void SetOnStruct()
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{
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object structTest = new StructTest();
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Action<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(StructTest).GetProperty("StringProperty"));
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setter(structTest, "Hi1");
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Assert.AreEqual("Hi1", ((StructTest)structTest).StringProperty);
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setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(StructTest).GetField("StringField"));
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setter(structTest, "Hi2");
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Assert.AreEqual("Hi2", ((StructTest)structTest).StringField);
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}
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[Test]
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public void CreateGetWithBadObjectTarget()
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{
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ExceptionAssert.Throws<InvalidCastException>("Unable to cast object of type 'Newtonsoft.Json.Tests.TestObjects.Person' to type 'Newtonsoft.Json.Tests.TestObjects.Movie'.",
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() =>
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{
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Person p = new Person();
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p.Name = "Hi";
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Func<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateGet<object>(typeof(Movie).GetProperty("Name"));
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setter(p);
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});
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}
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[Test]
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public void CreateSetWithBadObjectTarget()
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{
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ExceptionAssert.Throws<InvalidCastException>("Unable to cast object of type 'Newtonsoft.Json.Tests.TestObjects.Person' to type 'Newtonsoft.Json.Tests.TestObjects.Movie'.",
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() =>
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{
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Person p = new Person();
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Movie m = new Movie();
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Action<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(Movie).GetProperty("Name"));
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setter(m, "Hi");
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Assert.AreEqual(m.Name, "Hi");
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setter(p, "Hi");
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Assert.AreEqual(p.Name, "Hi");
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});
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}
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[Test]
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public void CreateSetWithBadObjectValue()
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{
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ExceptionAssert.Throws<InvalidCastException>("Unable to cast object of type 'System.Version' to type 'System.String'.",
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() =>
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{
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Movie m = new Movie();
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Action<object, object> setter = ExpressionReflectionDelegateFactory.Instance.CreateSet<object>(typeof(Movie).GetProperty("Name"));
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setter(m, new Version("1.1.1.1"));
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});
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}
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[Test]
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public void CreateStaticMethodCall()
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{
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MethodInfo castMethodInfo = typeof(JsonSerializerTest.DictionaryKey).GetMethod("op_Implicit", new[] { typeof(string) });
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Assert.IsNotNull(castMethodInfo);
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MethodCall<object, object> call = ExpressionReflectionDelegateFactory.Instance.CreateMethodCall<object>(castMethodInfo);
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object result = call(null, "First!");
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Assert.IsNotNull(result);
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JsonSerializerTest.DictionaryKey key = (JsonSerializerTest.DictionaryKey) result;
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Assert.AreEqual("First!", key.Value);
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}
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}
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}
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#endif |