Roll forward to cl/338482889

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I9850950db8bd84f0904ea1a413151887f52098cf

cpp/core/core_test.cc

@@ -0,0 +1,44 @@
+#include "core/core.h"
+
+#include "core/internal/client_proxy.h"
+#include "core/internal/mock_service_controller.h"
+#include "core/internal/service_controller.h"
+#include "platform/public/logging.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "absl/time/clock.h"
+
+namespace location {
+namespace nearby {
+namespace connections {
+namespace {
+
+TEST(CoreTest, ConstructorDestructorWorks) {
+  MockServiceController mock;
+  Core core{[&mock]() { return &mock; }};
+}
+
+TEST(CoreTest, DestructorReportsFatalFailure) {
+  MockServiceController mock;
+  ON_CALL(mock, StopDiscovery).WillByDefault([](ClientProxy* client) {
+    NEARBY_LOG(INFO, "Blocking Endpoint disconnect for 10 sec");
+    absl::SleepFor(absl::Milliseconds(10000));
+  });
+  ASSERT_DEATH(
+      [&mock]() {
+        Core core{[&mock]() { return &mock; }};
+        EXPECT_CALL(mock, StartDiscovery).Times(1);
+        EXPECT_CALL(mock, StopAdvertising).Times(1);
+        core.StartDiscovery("service_id", {.strategy = Strategy::kP2pCluster},
+                            {}, {.result_cb = [](Status status) {
+                              NEARBY_LOG(INFO, "Discovery status: %d",
+                                         static_cast<int>(status.value));
+                            }});
+      }(),
+      "Unable to shutdown");
+}
+
+}  // namespace
+}  // namespace connections
+}  // namespace nearby
+}  // namespace location