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test(scheduler): check only the timestamp field in the frozen tlog format test (bug-1924)

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test_tlog_format_shows_frozen_virtual_time_not_infotime asserted that
"1999" (info->time's year) appears nowhere in the formatted line, but
the line also carries getpid(), so the test failed whenever its PID
contained 1999. It now asserts the exact frozen timestamp field.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Rongsong Shen 2026-10-08 09:50:36 +00:00
parent 9b0284fab5
commit e56f27f997
Signed by untrusted user: rshen
GPG key ID: 80533536B0EB651C
1 changed files with 9 additions and 6 deletions
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15
src/scheduler/testsuite/test_clock.c
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@ -324,8 +324,7 @@ static void test_tlog_format_shows_frozen_virtual_time_not_infotime(void)
char buff[256];
int rc;
const uint64_t FROZEN_NS = 2000000000ULL * TEST_NSEC_PER_SEC;
/* 2033-05-18ish -- exact date not asserted; only that it is NOT the
* info->time value below. */
/* 2033-05-18 03:33:20 UTC -- asserted exactly below. */
memset(&core, 0, sizeof(core));
set_clock_atoms(&core, FROZEN_NS, test_monotonic_ns(), 0, 1);
@ -348,10 +347,14 @@ static void test_tlog_format_shows_frozen_virtual_time_not_infotime(void)
rc = call_format(buff, sizeof(buff), &info, NULL, "hello %d", 7);
TEST_ASSERT_TRUE(rc > 0);
TEST_ASSERT_NOT_NULL(strstr(buff, "hello 7"));
TEST_ASSERT_NULL_MESSAGE(
strstr(buff, "1999"),
"formatted log line must NOT show info->time's wall-clock year "
"while the virtual clock is frozen");
/* Only the timestamp field is checked: the rest of the line carries
* getpid(), which itself contains "1999" for some PIDs (bug-1924).
* FROZEN_NS is 2000000000 s after the epoch, formatted with gmtime_r
* (core_clock.c ns_to_tlog_time), so the field is exact. */
TEST_ASSERT_EQUAL_STRING_LEN_MESSAGE(
"[2033-05-18 03:33:20,000] ", buff, 26,
"formatted log line must show the frozen virtual time, not "
"info->time's wall-clock time");
xce_core_set_active_for_logging(NULL);
}