public void MultiMethod_Invoke_Is_Faster_Than_Cached_Dynamic_Invoke_To_Target_Method()
{
int count = 100000;
DispatchTestHelper target = new DispatchTestHelper();
D d1 = new D(), d2 = new D(), d3 = new D();
MethodInfo method = typeof(DispatchTestHelper).GetMethod(
"MM3", BindingFlags.Instance | BindingFlags.NonPublic,
Type.DefaultBinder, new Type[] { typeof(D), typeof(D), typeof(D) }, null);
DateTime start = DateTime.Now;
for (int i = 0; i < count; ++i)
{
method.Invoke(target, new object[] { d1, d2, d3 });
}
double dynamicInvokeDuration = (DateTime.Now - start).TotalMilliseconds;
start = DateTime.Now;
for (int i = 0; i < count; ++i)
{
target.MM3(d1, d2, d3);
}
double multiMethodDuration = (DateTime.Now - start).TotalMilliseconds;
Assert.Less(multiMethodDuration, dynamicInvokeDuration,
string.Format("dynamic invoke={0} is faster than multi method invoke={1}",
dynamicInvokeDuration, multiMethodDuration));
Console.WriteLine("multi method invoke={0} is faster than dynamic invoke={1}",
multiMethodDuration, dynamicInvokeDuration);
}
public void Combinatorial_Test_All_1_Argument_Dispatch(
[Values("A", "B", "C", "D")] string arg1)
{
A a1 = DispatchTestHelper.CreateInstance(arg1);
DispatchTestHelper check = new DispatchTestHelper();
Assert.AreEqual(arg1, check.FF1(a1));
}
public void Combinatorial_Test_All_2_Argument_Dispatch(
[Values("A", "B", "C", "D")] string arg1,
[Values("A", "B", "C", "D")] string arg2)
{
A a1 = DispatchTestHelper.CreateInstance(arg1);
A a2 = DispatchTestHelper.CreateInstance(arg2);
DispatchTestHelper check = new DispatchTestHelper();
string expected = arg1 + arg2;
Assert.AreEqual(expected, check.FF2(a1, a2));
}
public void Can_Dispatch_To_Methods_Taking_1_To_4_Parameters(bool is32BitPlatform)
{
Type type = typeof(DispatchTestHelper);
DispatchTestHelper target = new DispatchTestHelper();
Dispatcher mm1 = Dispatcher.Create(type, type.GetMethod("MM1"), is32BitPlatform);
Dispatcher mm2 = Dispatcher.Create(type, type.GetMethod("MM2"), is32BitPlatform);
Dispatcher mm3 = Dispatcher.Create(type, type.GetMethod("MM3"), is32BitPlatform);
Dispatcher mm4 = Dispatcher.Create(type, type.GetMethod("MM4"), is32BitPlatform);
Dispatcher ff1 = Dispatcher.Create(type, type.GetMethod("FF1"), is32BitPlatform);
Dispatcher ff2 = Dispatcher.Create(type, type.GetMethod("FF2"), is32BitPlatform);
Dispatcher ff3 = Dispatcher.Create(type, type.GetMethod("FF3"), is32BitPlatform);
Dispatcher ff4 = Dispatcher.Create(type, type.GetMethod("FF4"), is32BitPlatform);
DispatchResult result = mm1.Dispatch(target, new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("D", target.LastResult);
result = mm2.Dispatch(target, new D(), new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("DD", target.LastResult);
result = mm3.Dispatch(target, new D(), new D(), new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("DDD", target.LastResult);
result = mm4.Dispatch(target, new D(), new D(), new D(), new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("DDDD", target.LastResult);
result = ff1.Dispatch(target, new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("D", result.ReturnValue);
result = ff2.Dispatch(target, new D(), new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("DD", result.ReturnValue);
result = ff3.Dispatch(target, new D(), new D(), new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("DDD", result.ReturnValue);
result = ff4.Dispatch(target, new D(), new D(), new D(), new D());
Assert.IsTrue(result.Success);
Assert.AreEqual("DDDD", result.ReturnValue);
}
public void Combinatorial_Test_All_4_Argument_Dispatch(
[Values("A", "B", "C", "D")] string arg1,
[Values("A", "B", "C", "D")] string arg2,
[Values("A", "B", "C", "D")] string arg3,
[Values("A", "B", "C", "D")] string arg4)
{
A a1 = DispatchTestHelper.CreateInstance(arg1);
A a2 = DispatchTestHelper.CreateInstance(arg2);
A a3 = DispatchTestHelper.CreateInstance(arg3);
A a4 = DispatchTestHelper.CreateInstance(arg4);
DispatchTestHelper check = new DispatchTestHelper();
string expected = arg1 + arg2 + arg3 + arg4;
Assert.AreEqual(expected, check.FF4(a1, a2, a3, a4));
}
public void MultiMethod_Action_And_Function_Wrappers_Will_Dispatch_To_Correct_Method()
{
DispatchTestHelper check = new DispatchTestHelper();
check.MM1(new D());
Assert.AreEqual("D", check.LastResult);
check.MM2(new D(), new D());
Assert.AreEqual("DD", check.LastResult);
check.MM3(new D(), new D(), new D());
Assert.AreEqual("DDD", check.LastResult);
check.MM4(new D(), new D(), new D(), new D());
Assert.AreEqual("DDDD", check.LastResult);
Assert.AreEqual("D", check.FF1(new D()));
Assert.AreEqual("DD", check.FF2(new D(), new D()));
Assert.AreEqual("DDD", check.FF3(new D(), new D(), new D()));
Assert.AreEqual("DDDD", check.FF4(new D(), new D(), new D(), new D()));
}
