public void CallInsntaceMethods()
{
var mAct = typeof(InnerClass).GetMethod("Act");
var act = MethodInvokerGenerator.CreateDelegate(mAct);
var instance = new InnerClass();
var result = act(instance, new object[] { 123 });
Assert.IsNull(result);
Assert.AreEqual(123, instance.Value);
result = act(instance, new object[] { 123, "argument to be ignored" });
Assert.IsNull(result);
Assert.AreEqual(123, instance.Value);
var mIntFunc = typeof(InnerClass).GetMethod("IntFunc", BindingFlags.Instance | BindingFlags.NonPublic);
var intFunc = MethodInvokerGenerator.CreateDelegate(mIntFunc);
result = intFunc(instance, null);
Assert.AreEqual(1, result);
var mStrFunc = typeof(InnerClass).GetMethod("StrFunc", BindingFlags.Instance | BindingFlags.NonPublic);
var strFunc = MethodInvokerGenerator.CreateDelegate(mStrFunc);
result = strFunc(instance, null);
Assert.AreEqual(string.Empty, result);
}
public void CallStaticMethods()
{
var mStaticFunc = typeof(InnerClass).GetMethod("StaticFunc", BindingFlags.Public | BindingFlags.Static);
var staticFunc = MethodInvokerGenerator.CreateDelegate(mStaticFunc);
var result = staticFunc(null, new object[] { 1, 2 });
Assert.AreEqual(3, result);
}
public void CallMethodsThrowsExceptionWithoutArgumentValidation()
{
var mAct = typeof(InnerClass).GetMethod("Act");
var act = MethodInvokerGenerator.CreateDelegate(mAct, false);
var instance = new InnerClass();
Assert.Throws <NullReferenceException>(() => act(null, new object[] { 1 }));
Assert.Throws <NullReferenceException>(() => act(instance, null));
Assert.Throws <IndexOutOfRangeException>(() => act(instance, new object[0]));
}
public void CallMethodsThrowsExceptionWithArgumentValidation()
{
var mAct = typeof(InnerClass).GetMethod("Act");
var act = MethodInvokerGenerator.CreateDelegate(mAct);
var instance = new InnerClass();
Assert.Throws <ArgumentNullException>(() => act(null, new object[] { 1 }));
Assert.Throws <ArgumentNullException>(() => act(instance, null));
Assert.Throws <ArgumentException>(() => act(instance, new object[0]));
Assert.Throws <InvalidCastException>(() => act(instance, new object[] { "string" }));
}
public void CallOverrideMethods()
{
var mAct = typeof(InnerClassDerived).GetMethod("Act");
var act = MethodInvokerGenerator.CreateDelegate(mAct);
var instance = new InnerClassDerived();
act(instance, new object[] { 123 });
Assert.AreEqual(-123, instance.Value);
var mIntFunc = typeof(InnerClass).GetMethod("IntFunc", BindingFlags.Instance | BindingFlags.NonPublic);
var intFunc = MethodInvokerGenerator.CreateDelegate(mIntFunc);
Assert.AreEqual(2, intFunc(instance, null));
}