1 //===-- BroadcasterTest.cpp -------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "gtest/gtest.h"
12 #include "lldb/Core/Broadcaster.h"
13 #include "lldb/Core/Listener.h"
14 #include "lldb/Host/Predicate.h"
19 using namespace lldb_private;
21 TEST(BroadcasterTest, BroadcastEvent) {
23 Broadcaster broadcaster(nullptr, "test-broadcaster");
24 std::chrono::seconds timeout(0);
26 // Create a listener, sign it up, make sure it recieves an event.
27 ListenerSP listener1_sp = Listener::MakeListener("test-listener1");
28 const uint32_t event_mask1 = 1;
29 EXPECT_EQ(event_mask1,
30 listener1_sp->StartListeningForEvents(&broadcaster, event_mask1));
31 broadcaster.BroadcastEvent(event_mask1, nullptr);
32 EXPECT_TRUE(listener1_sp->GetEvent(event_sp, timeout));
33 EXPECT_EQ(event_mask1, event_sp->GetType());
36 // Add one more listener, make sure it works as well.
37 ListenerSP listener2_sp = Listener::MakeListener("test-listener2");
38 const uint32_t event_mask2 = 1;
39 EXPECT_EQ(event_mask2, listener2_sp->StartListeningForEvents(
40 &broadcaster, event_mask1 | event_mask2));
41 broadcaster.BroadcastEvent(event_mask2, nullptr);
42 EXPECT_TRUE(listener2_sp->GetEvent(event_sp, timeout));
43 EXPECT_EQ(event_mask2, event_sp->GetType());
45 // Both listeners should get this event.
46 broadcaster.BroadcastEvent(event_mask1, nullptr);
47 EXPECT_TRUE(listener1_sp->GetEvent(event_sp, timeout));
48 EXPECT_EQ(event_mask1, event_sp->GetType());
49 EXPECT_TRUE(listener2_sp->GetEvent(event_sp, timeout));
50 EXPECT_EQ(event_mask2, event_sp->GetType());
53 // Now again only one listener should be active.
54 broadcaster.BroadcastEvent(event_mask1, nullptr);
55 EXPECT_TRUE(listener1_sp->GetEvent(event_sp, timeout));
56 EXPECT_EQ(event_mask1, event_sp->GetType());
59 TEST(BroadcasterTest, EventTypeHasListeners) {
61 Broadcaster broadcaster(nullptr, "test-broadcaster");
63 const uint32_t event_mask = 1;
64 EXPECT_FALSE(broadcaster.EventTypeHasListeners(event_mask));
67 ListenerSP listener_sp = Listener::MakeListener("test-listener");
69 listener_sp->StartListeningForEvents(&broadcaster, event_mask));
70 EXPECT_TRUE(broadcaster.EventTypeHasListeners(event_mask));
73 EXPECT_FALSE(broadcaster.EventTypeHasListeners(event_mask));