[tor-commits] [tor/master] Capture more BUG warnings in util/time test

[dgoulet@xxxxxxxxxxxxxx]

commit 6144cf99adae5ffebbc549a4e0f3c6e05e51ad16
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Jan 23 12:37:12 2019 -0500

    Capture more BUG warnings in util/time test
    
    These are ones that happen on windows only.
    
    Fixes bug 29161.
---
 changes/bug29161            |  3 +++
 src/lib/encoding/time_fmt.c |  4 ++++
 src/test/test_util.c        | 21 +++++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/changes/bug29161 b/changes/bug29161
new file mode 100644
index 000000000..39a638acf
--- /dev/null
+++ b/changes/bug29161
@@ -0,0 +1,3 @@
+  o Minor bugfixes (tests):
+    - Detect and suppress "bug" warnings from the util/time test on Windows.
+      Fixes bug 29161; bugfix on 0.2.9.3-alpha.
diff --git a/src/lib/encoding/time_fmt.c b/src/lib/encoding/time_fmt.c
index 5b2440d1a..40543d41e 100644
--- a/src/lib/encoding/time_fmt.c
+++ b/src/lib/encoding/time_fmt.c
@@ -39,6 +39,8 @@
  *
  * Convert *<b>timep</b> to a struct tm in local time, and store the value in
  * *<b>result</b>.  Return the result on success, or NULL on failure.
+ *
+ * Treat malformatted inputs localtime outputs as a BUG.
  */
 struct tm *
 tor_localtime_r(const time_t *timep, struct tm *result)
@@ -56,6 +58,8 @@ tor_localtime_r(const time_t *timep, struct tm *result)
  *
  * Convert *<b>timep</b> to a struct tm in UTC, and store the value in
  * *<b>result</b>.  Return the result on success, or NULL on failure.
+ *
+ * Treat malformatted inputs or gmtime outputs as a BUG.
  */
 struct tm *
 tor_gmtime_r(const time_t *timep, struct tm *result)
diff --git a/src/test/test_util.c b/src/test/test_util.c
index 089c1f1d7..6a7b42b78 100644
--- a/src/test/test_util.c
+++ b/src/test/test_util.c
@@ -690,6 +690,12 @@ test_util_time(void *arg)
     expect_single_log_msg_containing(msg);                              \
     teardown_capture_of_logs();                                         \
   } while (0)
+#define CHECK_POSSIBLE_EINVAL() do {                            \
+    if (mock_saved_log_n_entries()) {                           \
+      expect_single_log_msg_containing("Invalid argument");     \
+    }                                                           \
+    teardown_capture_of_logs();                                 \
+  } while (0)
 
 #define CHECK_TIMEGM_ARG_OUT_OF_RANGE(msg) \
     CHECK_TIMEGM_WARNING("Out-of-range argument to tor_timegm")
@@ -885,12 +891,16 @@ test_util_time(void *arg)
 
   if (sizeof(time_t) == 4 || sizeof(time_t) == 8) {
     t_res = -1*(1 << 30);
+    CAPTURE();
     tor_gmtime_r(&t_res, &b_time);
+    CHECK_POSSIBLE_EINVAL();
     tt_assert(b_time.tm_year == (1970-1900) ||
               b_time.tm_year == (1935-1900));
 
     t_res = INT32_MIN;
+    CAPTURE();
     tor_gmtime_r(&t_res, &b_time);
+    CHECK_POSSIBLE_EINVAL();
     tt_assert(b_time.tm_year == (1970-1900) ||
               b_time.tm_year == (1901-1900));
   }
@@ -900,7 +910,9 @@ test_util_time(void *arg)
     /* one of the smallest tm_year values my 64 bit system supports:
      * b_time.tm_year == (-292275055LL-1900LL) without clamping */
     t_res = -9223372036854775LL;
+    CAPTURE();
     tor_gmtime_r(&t_res, &b_time);
+    CHECK_POSSIBLE_EINVAL();
     tt_assert(b_time.tm_year == (1970-1900) ||
               b_time.tm_year == (1-1900));
 
@@ -926,7 +938,9 @@ test_util_time(void *arg)
   {
     /* As above, but with localtime. */
     t_res = -9223372036854775LL;
+    CAPTURE();
     tor_localtime_r(&t_res, &b_time);
+    CHECK_POSSIBLE_EINVAL();
     tt_assert(b_time.tm_year == (1970-1900) ||
               b_time.tm_year == (1-1900));
 
@@ -983,7 +997,9 @@ test_util_time(void *arg)
     /* one of the largest tm_year values my 64 bit system supports:
      * b_time.tm_year == (292278994L-1900L) without clamping */
     t_res = 9223372036854775LL;
+    CAPTURE();
     tor_gmtime_r(&t_res, &b_time);
+    CHECK_POSSIBLE_EINVAL();
     tt_assert(b_time.tm_year == (2037-1900) ||
               b_time.tm_year == (9999-1900));
 
@@ -1004,7 +1020,9 @@ test_util_time(void *arg)
   {
     /* As above but with localtime. */
     t_res = 9223372036854775LL;
+    CAPTURE();
     tor_localtime_r(&t_res, &b_time);
+    CHECK_POSSIBLE_EINVAL();
     tt_assert(b_time.tm_year == (2037-1900) ||
               b_time.tm_year == (9999-1900));
 
@@ -1216,7 +1234,9 @@ test_util_time(void *arg)
   /* This value is out of range with 32 bit time_t, but in range for 64 bit
    * time_t */
   tv.tv_sec = (time_t)2150000000UL;
+  CAPTURE();
   format_iso_time(timestr, (time_t)tv.tv_sec);
+  CHECK_POSSIBLE_EINVAL();
 #if SIZEOF_TIME_T == 4
   /* format_iso_time should indicate failure on overflow, but it doesn't yet.
    * Hopefully #18480 will improve the failure semantics in this case.
@@ -1231,6 +1251,7 @@ test_util_time(void *arg)
 
 #undef CAPTURE
 #undef CHECK_TIMEGM_ARG_OUT_OF_RANGE
+#undef CHECK_POSSIBLE_EINVAL
 
  done:
   teardown_capture_of_logs();



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