Add logging to TestQueues.py

In an attempt to understand why the test is still failing after r355555,
add some logging.

llvm-svn: 355647

diff --git a/lldb/packages/Python/lldbsuite/test/macosx/queues/TestQueues.py b/lldb/packages/Python/lldbsuite/test/macosx/queues/TestQueues.py
index cdc9606..50b4743 100644 (file)
--- a/lldb/packages/Python/lldbsuite/test/macosx/queues/TestQueues.py
+++ b/lldb/packages/Python/lldbsuite/test/macosx/queues/TestQueues.py
@@ -56,7 +56,23 @@ class TestQueues(TestBase):
              expected_running,
              (queue.GetNumRunningItems())))
 
+    def describe_threads(self):
+        desc = []
+        for x in self.inferior_process:
+            id = x.GetIndexID()
+            reason_str = lldbutil.stop_reason_to_str(x.GetStopReason())
+
+            location = "\t".join([lldbutil.get_description(
+                x.GetFrameAtIndex(i)) for i in range(x.GetNumFrames())])
+            desc.append(
+                "thread %d: %s at\n\t%s" %
+                (id, reason_str, location))
+        print('\n'.join(desc))
+
     def check_number_of_threads_owned_by_queue(self, queue, number_threads):
+        if (queue.GetNumThreads() != number_threads):
+            self.describe_threads()
+
         self.assertTrue(
             queue.GetNumThreads() == number_threads,
             "queue %s should have %d thread executing, but has %d" %
@@ -125,6 +141,8 @@ class TestQueues(TestBase):
         if len(threads) != 1:
             self.fail("Failed to stop at breakpoint 1.")
 
+        self.inferior_process = process
+
         queue_submittor_1 = lldb.SBQueue()
         queue_performer_1 = lldb.SBQueue()
         queue_performer_2 = lldb.SBQueue()
@@ -291,6 +309,8 @@ class TestQueues(TestBase):
         if len(threads) != 1:
             self.fail("Failed to stop at breakpoint 1.")
 
+        self.inferior_process = process
+
         libbtr_module_filespec = lldb.SBFileSpec("libBacktraceRecording.dylib")
         libbtr_module = target.FindModule(libbtr_module_filespec)
         if not libbtr_module.IsValid():