public void ActionOneArgCached()
{
var reflectionCache = new ReflectionCache();
var info = typeof(Foo).GetMethod(nameof(Foo.MethodVoid1Arg));
var action = reflectionCache.GetVoidMethodInvoker(info);
Assert.IsNotNull(action);
var func2 = reflectionCache.GetVoidMethodInvoker(info);
Assert.IsNotNull(func2);
Assert.AreEqual(action, func2);
}
public void GetMethodActionWithTwoArgsAndCallIt()
{
var reflectionCache = new ReflectionCache();
var info = typeof(Foo).GetMethod(nameof(Foo.MethodVoid2Args));
foreach (DelegateCreationMode mode in delegateCreationModes)
{
InvokeUsingMode(mode);
}
void InvokeUsingMode(DelegateCreationMode mode)
{
var action = reflectionCache.GetVoidMethodInvoker(info, mode);
Assert.IsNotNull(action, mode.ToString());
var foo = new Foo();
const string expectedValue1 = "One";
const string expectedValue2 = "Two";
action(foo, new object[] { expectedValue1, expectedValue2 });
Assert.IsTrue(foo.MethodVoid2ArgsCalled, mode.ToString());
Assert.AreEqual(expectedValue1, foo.Arg1, mode.ToString());
Assert.AreEqual(expectedValue2, foo.Arg2, mode.ToString());
}
}
internal static Action AddHandler(object target, string eventName, Action <object, EventArgs> methodToExecute)
{
#if NETSTANDARD
var eventInfo = target.GetType().GetRuntimeEvent(eventName);
#else
var eventInfo = target.GetType().GetEvent(eventName, BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy);
#endif
if (eventInfo == null)
{
throw new ArgumentException(
nameof(eventName) + " " + eventName
+ " does not exist on target of type:"
+ target.GetType());
}
var delegateType = eventInfo.EventHandlerType;
var dynamicHandler = BuildDynamicHandler(delegateType, methodToExecute);
#if NETSTANDARD
var methodInfo = eventInfo.AddMethod;
#else
var methodInfo = eventInfo.GetAddMethod();
#endif
var invoker = ReflectionCache.GetVoidMethodInvoker(
methodInfo,
DelegateCreationMode.FastCreationSlowPerformance);
invoker(target, new object[] { dynamicHandler });
void Result() => RemoveHandler(target, eventName, dynamicHandler);
return(Result);
}
public void GetMethodActionWithThreeArgsAndCallIt()
{
var reflectionCache = new ReflectionCache();
var info = typeof(Foo).GetMethod(nameof(Foo.MethodVoid3Args));
var action = reflectionCache.GetVoidMethodInvoker(info);
Assert.IsNotNull(action);
var foo = new Foo();
const string expectedValue1 = "One";
const string expectedValue2 = "Two";
const string expectedValue3 = "Two";
action(foo, new object[]
{
expectedValue1, expectedValue2, expectedValue3
});
Assert.IsTrue(foo.MethodVoid3ArgsCalled);
Assert.AreEqual(expectedValue1, foo.Arg1);
Assert.AreEqual(expectedValue2, foo.Arg2);
Assert.AreEqual(expectedValue3, foo.Arg3);
}
public void ActionOneArgCached()
{
var reflectionCache = new ReflectionCache();
var info = typeof(Foo).GetMethod(nameof(Foo.MethodVoid1Arg));
foreach (DelegateCreationMode mode in delegateCreationModes)
{
InvokeUsingMode(mode);
}
void InvokeUsingMode(DelegateCreationMode mode)
{
var action = reflectionCache.GetVoidMethodInvoker(info, mode);
Assert.IsNotNull(action, mode.ToString());
var func2 = reflectionCache.GetVoidMethodInvoker(info, mode);
Assert.IsNotNull(func2, mode.ToString());
Assert.AreEqual(action, func2, mode.ToString());
}
}
public void GetMethodActionWithNoArgsAndCallIt()
{
var reflectionCache = new ReflectionCache();
var info = typeof(Foo).GetMethod(nameof(Foo.MethodVoid0Args));
var action = reflectionCache.GetVoidMethodInvoker(info);
Assert.IsNotNull(action);
var foo = new Foo();
action(foo, new object[] { });
Assert.IsTrue(foo.MethodVoid0ArgsCalled);
}
public void GetMethodActionWithOneArgAndCallIt()
{
var reflectionCache = new ReflectionCache();
var info = typeof(Foo).GetMethod(nameof(Foo.MethodVoid1Arg));
var action = reflectionCache.GetVoidMethodInvoker(info);
Assert.IsNotNull(action);
var foo = new Foo();
const string expectedValue1 = "Foo";
action(foo, new object[] { expectedValue1 });
Assert.IsTrue(foo.MethodVoid1ArgCalled);
Assert.AreEqual(expectedValue1, foo.Arg1);
}
internal static void RemoveHandler(object target, string eventName, Delegate dynamicHandler)
{
#if NETSTANDARD
var eventInfo = target.GetType().GetRuntimeEvent(eventName);
#else
var eventInfo = target.GetType().GetEvent(eventName);
#endif
if (eventInfo == null)
{
throw new ArgumentException(nameof(eventName) + "does not exist on target of type:" + target.GetType());
}
#if NETSTANDARD
MethodInfo methodInfo = eventInfo.RemoveMethod;
#else
MethodInfo methodInfo = eventInfo.GetRemoveMethod();
#endif
var invoker = ReflectionCache.GetVoidMethodInvoker(
methodInfo,
DelegateCreationMode.FastCreationSlowPerformance);
invoker(target, new object[] { dynamicHandler });
}
public void GetMethodActionWithNoArgsAndCallIt()
{
var reflectionCache = new ReflectionCache();
var info = typeof(Foo).GetMethod(nameof(Foo.MethodVoid0Args));
foreach (DelegateCreationMode mode in delegateCreationModes)
{
InvokeUsingMode(mode);
}
void InvokeUsingMode(DelegateCreationMode mode)
{
var action = reflectionCache.GetVoidMethodInvoker(info, mode);
Assert.IsNotNull(action, mode.ToString());
var foo = new Foo();
action(foo, new object[] { });
Assert.IsTrue(foo.MethodVoid0ArgsCalled, mode.ToString());
}
}