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//===-- BroadcasterTest.cpp -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "lldb/Utility/Broadcaster.h"
#include "lldb/Utility/Event.h"
#include "lldb/Utility/Listener.h"
#include "lldb/Utility/Predicate.h"
#include <thread>
using namespace lldb;
using namespace lldb_private;
TEST(BroadcasterTest, BroadcastEvent) {
EventSP event_sp;
Broadcaster broadcaster(nullptr, "test-broadcaster");
std::chrono::seconds timeout(0);
// Create a listener, sign it up, make sure it receives an event.
ListenerSP listener1_sp = Listener::MakeListener("test-listener1");
const uint32_t event_mask1 = 1;
EXPECT_EQ(event_mask1,
listener1_sp->StartListeningForEvents(&broadcaster, event_mask1));
broadcaster.BroadcastEvent(event_mask1, nullptr);
EXPECT_TRUE(listener1_sp->GetEvent(event_sp, timeout));
EXPECT_EQ(event_mask1, event_sp->GetType());
{
// Add one more listener, make sure it works as well.
ListenerSP listener2_sp = Listener::MakeListener("test-listener2");
const uint32_t event_mask2 = 1;
EXPECT_EQ(event_mask2, listener2_sp->StartListeningForEvents(
&broadcaster, event_mask1 | event_mask2));
broadcaster.BroadcastEvent(event_mask2, nullptr);
EXPECT_TRUE(listener2_sp->GetEvent(event_sp, timeout));
EXPECT_EQ(event_mask2, event_sp->GetType());
// Both listeners should get this event.
broadcaster.BroadcastEvent(event_mask1, nullptr);
EXPECT_TRUE(listener1_sp->GetEvent(event_sp, timeout));
EXPECT_EQ(event_mask1, event_sp->GetType());
EXPECT_TRUE(listener2_sp->GetEvent(event_sp, timeout));
EXPECT_EQ(event_mask2, event_sp->GetType());
}
// Now again only one listener should be active.
broadcaster.BroadcastEvent(event_mask1, nullptr);
EXPECT_TRUE(listener1_sp->GetEvent(event_sp, timeout));
EXPECT_EQ(event_mask1, event_sp->GetType());
}
TEST(BroadcasterTest, EventTypeHasListeners) {
EventSP event_sp;
Broadcaster broadcaster(nullptr, "test-broadcaster");
const uint32_t event_mask = 1;
EXPECT_FALSE(broadcaster.EventTypeHasListeners(event_mask));
{
ListenerSP listener_sp = Listener::MakeListener("test-listener");
EXPECT_EQ(event_mask,
listener_sp->StartListeningForEvents(&broadcaster, event_mask));
EXPECT_TRUE(broadcaster.EventTypeHasListeners(event_mask));
}
EXPECT_FALSE(broadcaster.EventTypeHasListeners(event_mask));
}
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