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