thread state coordinator: add tests and impl to error on creation/death issues.

Added tests and impl to make sure the following errors are reported:
* Notifying a created thread that we are already tracking.
* Notifying a thread death for a thread we don't know about.

llvm-svn: 218900

1 files changed, 20 insertions, 0 deletions

diff --git a/lldb/gtest/unittest/Plugins/Process/Linux/ThreadStateCoordinatorTest.cpp b/lldb/gtest/unittest/Plugins/Process/Linux/ThreadStateCoordinatorTest.cpp
index a6bc40fd622..e35c73f29e4 100644
--- a/lldb/gtest/unittest/Plugins/Process/Linux/ThreadStateCoordinatorTest.cpp
+++ b/lldb/gtest/unittest/Plugins/Process/Linux/ThreadStateCoordinatorTest.cpp
@@ -205,6 +205,26 @@ TEST_F (ThreadStateCoordinatorTest, StopCoordinatorWorksNoPriorEvents)
     ASSERT_EQ (false, HasError ());
 }
 
+TEST_F (ThreadStateCoordinatorTest, NotifyThreadCreateSignalsErrorOnAlreadyKnownThread)
+{
+    // Let the coordinator know about our thread.
+    SetupKnownStoppedThread (TRIGGERING_TID);
+
+    // Notify an unknown thread has stopped.
+    NotifyThreadCreate (TRIGGERING_TID, true);
+    ASSERT_PROCESS_NEXT_EVENT_FAILS ();
+}
+
+
+TEST_F (ThreadStateCoordinatorTest, NotifyThreadDeathSignalsErrorOnUnknownThread)
+{
+    const lldb::tid_t UNKNOWN_TID = 678;
+
+    // Notify an unknown thread has stopped.
+    NotifyThreadDeath (UNKNOWN_TID);
+    ASSERT_PROCESS_NEXT_EVENT_FAILS ();
+}
+
 TEST_F (ThreadStateCoordinatorTest, NotifyThreadStopSignalsErrorOnUnknownThread)
 {
     const lldb::tid_t UNKNOWN_TID = 678;