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/**
* @file lazyeventapi_test.cpp
* @author Nat Goodspeed
* @date 2022-06-18
* @brief Test for lazyeventapi.
*
* $LicenseInfo:firstyear=2022&license=viewerlgpl$
* Copyright (c) 2022, Linden Research, Inc.
* $/LicenseInfo$
*/
// Precompiled header
#include "linden_common.h"
// associated header
#include "lazyeventapi.h"
// STL headers
// std headers
// external library headers
// other Linden headers
#include "../test/lltut.h"
#include "llevents.h"
#include "llsdutil.h"
// observable side effect, solely for testing
static LLSD data;
// LLEventAPI listener subclass
class MyListener: public LLEventAPI
{
public:
// need this trivial forwarding constructor
// (of course do any other initialization your subclass requires)
MyListener(const LL::LazyEventAPIParams& params):
LLEventAPI(params)
{}
// example operation, registered by LazyEventAPI subclass below
void set_data(const LLSD& event)
{
data = event["data"];
}
};
// LazyEventAPI registrar subclass
class MyRegistrar: public LL::LazyEventAPI<MyListener>
{
using super = LL::LazyEventAPI<MyListener>;
using super::listener;
public:
// LazyEventAPI subclass initializes like a classic LLEventAPI subclass
// constructor, with API name and desc plus add() calls for the defined
// operations
MyRegistrar():
super("Test", "This is a test LLEventAPI")
{
add("set", "This is a set operation", &listener::set_data);
}
};
// Normally we'd declare a static instance of MyRegistrar -- but because we
// want to test both with and without, defer declaration to individual test
// methods.
/*****************************************************************************
* TUT
*****************************************************************************/
namespace tut
{
struct lazyeventapi_data
{
lazyeventapi_data()
{
// before every test, reset 'data'
data.clear();
}
~lazyeventapi_data()
{
// after every test, reset LLEventPumps
LLEventPumps::deleteSingleton();
}
};
typedef test_group<lazyeventapi_data> lazyeventapi_group;
typedef lazyeventapi_group::object object;
lazyeventapi_group lazyeventapigrp("lazyeventapi");
template<> template<>
void object::test<1>()
{
set_test_name("LazyEventAPI");
// this is where the magic (should) happen
// 'register' still a keyword until C++17
MyRegistrar regster;
LLEventPumps::instance().obtain("Test").post(llsd::map("op", "set", "data", "hey"));
ensure_equals("failed to set data", data.asString(), "hey");
}
template<> template<>
void object::test<2>()
{
set_test_name("No LazyEventAPI");
// Because the MyRegistrar declaration in test<1>() is local, because
// it has been destroyed, we fully expect NOT to reach a MyListener
// instance with this post.
LLEventPumps::instance().obtain("Test").post(llsd::map("op", "set", "data", "moot"));
ensure("accidentally set data", ! data.isDefined());
}
template<> template<>
void object::test<3>()
{
set_test_name("LazyEventAPI metadata");
MyRegistrar regster;
const MyRegistrar* found = nullptr;
for (const auto& registrar : LL::LazyEventAPIBase::instance_snapshot())
if ((found = dynamic_cast<const MyRegistrar*>(®istrar)))
break;
ensure("Failed to find MyRegistrar via LLInstanceTracker", found);
ensure_equals("wrong API name", found->mParams.name, "Test");
ensure_contains("wrong API desc", found->mParams.desc, "test LLEventAPI");
ensure_equals("wrong API field", found->mParams.field, "op");
ensure_equals("failed to find operations", found->mOperations.size(), 1);
ensure_equals("wrong operation name", found->mOperations[0].first, "set");
ensure_contains("wrong operation desc", found->mOperations[0].second, "set operation");
}
} // namespace tut
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