1 files changed, 6 insertions, 0 deletions

diff --git a/tests/integration/harness.py b/tests/integration/harness.py
index 03a0561..122c36d 100644
--- a/tests/integration/harness.py
+++ b/tests/integration/harness.py
@@ -121,6 +121,7 @@ class Tracker:
         all: LeakSanitizer reports from an exit handler, so a killed tracker
         reports nothing and the suite passes over leaks it never looked for.
         """
+        refused_to_exit = False
         if self.process is not None and self.process.poll() is None:
             self.process.send_signal(signal.SIGINT)
             try:
@@ -128,11 +129,16 @@ class Tracker:
             except subprocess.TimeoutExpired:
                 self.process.kill()
                 self.process.wait()
+                refused_to_exit = True
         complaints = [
             line
             for line in self.output().splitlines()
             if "Sanitizer" in line or "runtime error" in line or line.startswith("ERROR")
         ]
+        if refused_to_exit:
+            # Killing it throws away whatever the sanitizer had to say on the
+            # way out, so a test that ends this way has checked nothing.
+            complaints.append("the tracker did not exit within 5 s of SIGINT and had to be killed")
         self._cleanup()
         return complaints