public void TestReactiveMethod()
{
MethodInfo method = typeof(DateTime)
.GetProperty(nameof(DateTime.Now), BindingFlags.Static | BindingFlags.Public)
.GetGetMethod();
int count = 0;
DateTime bday = new DateTime(1955, 10, 28);
// Note: Observing this test through the debugger will call DateTime.Now,
// thus incrementing 'count', and breaking the test. Watch out.
using (Redirection.Observe(method)
.Where(_ => count++ % 2 == 0)
.Subscribe(ctx => ctx.ReturnValue = bday))
{
DateTime.Now.ShouldBe(bday);
DateTime.Now.ShouldNotBe(bday);
DateTime.Now.ShouldBe(bday);
DateTime.Now.ShouldNotBe(bday);
}
DateTime.Now.ShouldNotBe(bday);
DateTime.Now.ShouldNotBe(bday);
count.ShouldBe(4);
}
static RxApp()
{
var methodInfos = typeof(XafApplication).Methods();
CreateControllersOptimized = methodInfos.Where(info => info.Name == nameof(CreateControllers) && info.Parameters().Count == 4).Select(info => info.DelegateForCallMethod()).First();
CreateControllers = methodInfos.Where(info => info.Name == nameof(CreateControllers) && info.Parameters().Count == 3).Select(info => info.DelegateForCallMethod()).First();
CreateWindowCore = methodInfos.First(info => info.Name == nameof(CreateWindowCore)).DelegateForCallMethod();
OnPopupWindowCreated = Redirection.Observe(methodInfos.First(info => info.Name == nameof(OnPopupWindowCreated)))
.Publish().RefCount();
var createNestedFrame = methodInfos.First(info => info.Name == nameof(XafApplication.CreateNestedFrame));
NestedFrameRedirection = Redirection.Observe(createNestedFrame)
.Publish().RefCount();
}
public void TestBuiltInObserver()
{
DateTime birthday = new DateTime(1955, 10, 28);
MethodInfo method = typeof(DateTime)
.GetProperty(nameof(DateTime.Now), BindingFlags.Static | BindingFlags.Public)
.GetGetMethod();
DateTime.Now.ShouldNotBe(birthday);
using (Redirection.Observe(method, ctx => ctx.ReturnValue = birthday))
{
DateTime.Now.ShouldBe(birthday);
}
DateTime.Now.ShouldNotBe(birthday);
}
public void TestInstanceRedirection()
{
MethodInfo method = typeof(TestClass)
.GetMethod(nameof(TestClass.ComputeHash), BindingFlags.Instance | BindingFlags.Public);
const int SEED = 0xEA6C23;
TestClass test = new TestClass(SEED);
string testStr = "42";
int testHash = testStr.GetHashCode();
test.ComputeHash(testStr).ShouldBe(unchecked (testHash * SEED));
test.ComputeHash(testStr).ShouldNotBe(SEED);
using (Redirection.Observe(method, ctx => ctx.ReturnValue = ((TestClass)ctx.Sender).Seed))
{
test.ComputeHash(testStr).ShouldBe(SEED);
}
test.ComputeHash(testStr).ShouldBe(unchecked (testHash * SEED));
}
