public void GenerateDelegate_ShouldFail_WhenTooManyParameters()
{
var factory = new DynamicMethodFactory();
var methodInfo = typeof(TestClass).GetMethod(nameof(TestClass.MethodTooManyParameters));
var methodRequest = DynamicMethodRequest.MakeRequest(methodInfo);
Assert.That(
() => factory.GetAction(methodRequest),
Throws.InvalidOperationException
);
}
public void GetAction_ShouldReturnInvocable(TestCaseData <MethodInfo> testCase)
{
var factory = new DynamicMethodFactory();
var methodRequest = DynamicMethodRequest.MakeRequest(testCase.Method);
var method = factory.GetAction(methodRequest);
Assert.That(method, Is.Not.Null);
var methodArgs = TestCaseHelper.GetArgs(testCase.Args, testCase.Instance);
method.Invoker.DynamicInvoke(methodArgs);
}
public void GetFunction_ShouldReturnInvocable(TestCaseData <MethodInfo> testCase)
{
var factory = new DynamicMethodFactory();
var methodRequest = DynamicMethodRequest.MakeRequest(testCase.Method);
var method = factory.GetFunction <int>(methodRequest);
Assert.That(method, Is.Not.Null);
var methodArgs = TestCaseHelper.GetArgs(testCase.Args, testCase.Instance);
var result = (int)method.Invoker.DynamicInvoke(methodArgs);
Assert.That(result, Is.EqualTo(testCase.ExpectedResult));
}
public void GenerateField_ShouldSetValue()
{
var factory = new DynamicMethodFactory();
var instance = new TestClass();
var member = typeof(TestClass).GetField(nameof(TestClass.FieldTest));
var setRequest = DynamicMethodRequest.MakeSetterRequest(member);
var setMethod = factory.GetAction(setRequest);
var methodFunc = (Action <TestClass, int>)setMethod.Invoker;
methodFunc(instance, 3);
Assert.That(instance.FieldTest, Is.EqualTo(3));
}
public void GenerateProperty_ShouldGetValue()
{
var factory = new DynamicMethodFactory();
var instance = new TestClass()
{
PropertyTest = 3
};
var member = typeof(TestClass).GetProperty(nameof(TestClass.PropertyTest));
var getRequest = DynamicMethodRequest.MakeRequest(member.GetMethod);
var getMethod = factory.GetFunction <int>(getRequest);
var methodFunc = (Func <TestClass, int>)getMethod.Invoker;
var result = methodFunc(instance);
Assert.That(result, Is.EqualTo(instance.PropertyTest));
}
public void GenerateField_ShouldBeBidirectional(TestCaseData <FieldInfo> testCase)
{
var factory = new DynamicMethodFactory();
var expectedResult = testCase.Args.Last();
var setRequest = DynamicMethodRequest.MakeSetterRequest(testCase.Method);
var setMethod = factory.GetAction(setRequest);
var setArgs = TestCaseHelper.GetArgs(testCase.Args, testCase.Instance);
setMethod.Invoke(setArgs);
var getRequest = DynamicMethodRequest.MakeGetterRequest(testCase.Method);
var getMethod = factory.GetFunction <int>(getRequest);
var getArgs = TestCaseHelper.GetArgs(null, testCase.Instance);
var result = getMethod.Invoke(getArgs);
Assert.That(result, Is.EqualTo(expectedResult));
}
public void GenerateProperty_ShouldSetAndGetIndexer()
{
const string expectedKey = "Hello";
const string expectedValue = "World";
var factory = new DynamicMethodFactory();
var instance = new TestClass();
var member = typeof(TestClass)
.GetProperties()
.First(o => o.GetIndexParameters().Any());
var setRequest = DynamicMethodRequest.MakeRequest(member.SetMethod);
var setMethod = factory.GetAction(setRequest);
setMethod.Invoke(instance, expectedKey, expectedValue);
var getRequest = DynamicMethodRequest.MakeRequest(member.GetMethod);
var getMethod = factory.GetFunction <string>(getRequest);
var value = getMethod.Invoke(instance, expectedKey);
Assert.That(value, Is.EqualTo(expectedValue));
}