64 static void RegisterCallback(PropertyMonitor* pm, PropertyChanges* output,  in RegisterCallback()  argument
66     pm->Add(property_name, [output, property_name](std::string value) {  in RegisterCallback()
67         std::lock_guard<std::mutex> lock(output->mutex);  in RegisterCallback()
69         output->changes[property_name].emplace_back(std::move(value));  in RegisterCallback()
76     PropertyChanges output;  in TEST()  local
82     RegisterCallback(&pm, &output, foo);  in TEST()
85     RegisterCallback(&pm, &output, never_set);  in TEST()
92     std::lock_guard<std::mutex> lock(output.mutex);  in TEST()
93     ASSERT_EQ(2UL, output.changes.size());  in TEST()
94     ASSERT_EQ(2UL, output.changes[foo].size());  in TEST()
95     ASSERT_EQ("", output.changes[foo][0]);  in TEST()
96     ASSERT_EQ("foo", output.changes[foo][1]);  in TEST()
97     ASSERT_EQ("", output.changes[never_set][0]);  in TEST()
102     PropertyChanges output;  in TEST()  local
108     RegisterCallback(&pm, &output, foo);  in TEST()
115         std::lock_guard<std::mutex> lock(output.mutex);  in TEST()
116         ASSERT_EQ(1UL, output.changes.size());  in TEST()
117         ASSERT_EQ(2UL, output.changes[foo].size());  in TEST()
118         ASSERT_EQ("", output.changes[foo][0]);  in TEST()
119         ASSERT_EQ("foo", output.changes[foo][1]);  in TEST()
126         std::lock_guard<std::mutex> lock(output.mutex);  in TEST()
127         ASSERT_EQ(1UL, output.changes.size());  in TEST()
128         ASSERT_EQ(3UL, output.changes[foo].size());  in TEST()
129         ASSERT_EQ("", output.changes[foo][0]);  in TEST()
130         ASSERT_EQ("foo", output.changes[foo][1]);  in TEST()
131         ASSERT_EQ("bar", output.changes[foo][2]);  in TEST()
140     PropertyChanges output;  in TEST()  local
147     RegisterCallback(&pm, &output, foo);  in TEST()
148     RegisterCallback(&pm, &output, bar);  in TEST()
157         std::lock_guard<std::mutex> lock(output.mutex);  in TEST()
158         ASSERT_EQ(2UL, output.changes.size());  in TEST()
160         ASSERT_EQ(2UL, output.changes[foo].size());  in TEST()
161         ASSERT_EQ("", output.changes[foo][0]);  in TEST()
162         ASSERT_EQ("foo", output.changes[foo][1]);  in TEST()
164         ASSERT_EQ(2UL, output.changes[bar].size());  in TEST()
165         ASSERT_EQ("", output.changes[bar][0]);  in TEST()
166         ASSERT_EQ("bar", output.changes[bar][1]);  in TEST()
174         std::lock_guard<std::mutex> lock(output.mutex);  in TEST()
175         ASSERT_EQ(2UL, output.changes.size());  in TEST()
177         ASSERT_EQ(3UL, output.changes[foo].size());  in TEST()
178         ASSERT_EQ("", output.changes[foo][0]);  in TEST()
179         ASSERT_EQ("foo", output.changes[foo][1]);  in TEST()
180         ASSERT_EQ("bar", output.changes[foo][2]);  in TEST()
182         ASSERT_EQ(3UL, output.changes[bar].size());  in TEST()
183         ASSERT_EQ("", output.changes[foo][0]);  in TEST()
184         ASSERT_EQ("bar", output.changes[bar][1]);  in TEST()
185         ASSERT_EQ("foo", output.changes[bar][2]);  in TEST()