[tor-commits] [tor/release-0.4.2] Add test to check if the exit callback is called in process_t upon process_exec() failures.

[nickm@xxxxxxxxxxxxxx]

commit 4ed06acb2ada14e424f453c24c477659b4cb7cbf
Author: Alexander Færøy <ahf@xxxxxxxxxxxxxx>
Date:   Thu Oct 17 16:56:21 2019 +0200

    Add test to check if the exit callback is called in process_t upon process_exec() failures.
    
    This patch adds a test to check for whether the exit callback is always
    called when process_exec() fails, both on Windows and Unix.
    
    See: https://bugs.torproject.org/31810
---
 src/test/test_process_slow.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/test/test_process_slow.c b/src/test/test_process_slow.c
index 91252c725..f311e8b29 100644
--- a/src/test/test_process_slow.c
+++ b/src/test/test_process_slow.c
@@ -328,8 +328,38 @@ test_callbacks_terminate(void *arg)
   process_free(process);
 }
 
+static void
+test_nonexistent_executable(void *arg)
+{
+  (void)arg;
+
+  /* Process callback data. */
+  process_data_t *process_data = process_data_new();
+
+  /* Setup our process. */
+  process_t *process = process_new("binary-does-not-exist");
+  process_set_data(process, process_data);
+  process_set_exit_callback(process, process_exit_callback);
+
+  /* Run our process. */
+  process_exec(process);
+
+  /* Start our main loop. */
+  run_main_loop(process_data);
+
+  /* Ensure that the exit callback was actually called even though the binary
+   * did not exist.
+   */
+  tt_assert(process_data->did_exit);
+
+ done:
+  process_data_free(process_data);
+  process_free(process);
+}
+
 struct testcase_t slow_process_tests[] = {
   { "callbacks", test_callbacks, 0, NULL, NULL },
   { "callbacks_terminate", test_callbacks_terminate, 0, NULL, NULL },
+  { "nonexistent_executable", test_nonexistent_executable, 0, NULL, NULL },
   END_OF_TESTCASES
 };



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