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test: calibrate APP RTC from first valid NITZ snapshot after PDP

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chenjintao
2026-10-26 16:59:08 +08:00
parent f8df812f45
commit 884ab54255
5 changed files with 86 additions and 98 deletions
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tools/test_app_nitz_test.py
+31 -16
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@@ -32,14 +32,13 @@ int ql_rtc_get_time(ql_rtc_time_t *);
#include <assert.h>
#include <stdlib.h>
#include "APP_SOURCE"
static int mode, creates, queries, sets, probes;
void app_sys_time_probe_run(void) {++probes;}
static int mode, creates, queries, sets, sleeps;
static unsigned int ticks=100;
static time_t app_epoch=100;
static int zone_minutes=480;
static ql_rtc_time_t saved;
unsigned int ql_rtos_get_systicks(void) {return ticks;}
void ql_rtos_task_sleep_ms(unsigned int ms) {ticks+=ms/5;}
void ql_rtos_task_sleep_ms(unsigned int ms) {assert(ms==5000); ++sleeps; ticks+=ms/5;}
static intptr_t lookup(char *name) {
assert(!strcmp(name,"ql_nw_get_nitz_time_info") || !strcmp(name,"ql_localtime_r") ||
!strcmp(name,"ql_rtc_set_time") || !strcmp(name,"ql_rtc_get_time"));
@@ -59,10 +58,11 @@ int ql_nw_get_nitz_time_info(QL_NW_NITZ_TIME_INFO_T *info) {
return 0;
}
if (mode==16 && queries==1) return 1;
if (mode==23 && queries<3) return 1;
if (mode==17) ticks+=600; /* slow query must be rejected */
if (mode==14) value=1793059198; /* near midnight UTC */
if (mode==15) value=2147483646; /* would advance past signed32 limit */
if (mode==18) value+=(queries%2==0 ? 60 : 0); /* discontinuity */
if (mode==15) value=2147483646; /* PMIC +8 local calendar exceeds signed32 range */
if (mode==18) value=1704067200; /* Old but valid snapshot: age cannot be proven. */
else value+=(ticks-100U)/200U;
/* Compute relative elapsed correctly in wrap scenario. */
if (mode==13) value=1793019600+(unsigned int)(ticks-(UINT32_MAX-199U))/200U;
@@ -75,6 +75,7 @@ struct tm *ql_localtime_r(const time_t *epoch,struct tm *out) {
time_t local=*epoch+zone_minutes*60;
struct tm *value;
if (mode==7) return NULL;
if (mode==25) local+=28800; /* Invalid PMIC conversion (+16 hours total). */
value=gmtime(&local); assert(value); *out=*value; return out;
}
time_t time(time_t *out) {(void)out; return app_epoch;}
@@ -130,14 +131,22 @@ static void check_parser(void) {
int main(int argc,char **argv) {
assert(argc==2); mode=atoi(argv[1]); check_parser();
if (mode==12) zone_minutes=-330;
if (mode==24) zone_minutes=0;
if (mode==13) ticks=UINT32_MAX-199U;
app_nitz_test_start(); app_nitz_test_start();
assert(creates==(mode==19 ? 2 : 1));
if ((mode>=1 && mode<=6) || mode==15 || mode==17 || mode==18 || mode==19 || mode==7 || mode==22)
if ((mode>=1 && mode<=5) || mode==7 || mode==15 || mode==17 || mode==19 || mode==25)
assert(sets==0);
else assert(sets==1);
assert(queries<=6);
assert(probes==(mode==19 ? 0 : 1));
if (mode==1 || mode==19) {assert(queries==0 && sleeps==0);}
else if ((mode>=2 && mode<=5) || mode==17 || mode==23) {assert(queries==3 && sleeps==2);}
else if (mode==16) {assert(queries==2 && sleeps==1);}
else {assert(queries==1 && sleeps==0);}
if (mode==22) {
assert(saved.tm_year==2026 && saved.tm_mon==10 && saved.tm_mday==26);
assert(saved.tm_hour==16 && saved.tm_min==0 && saved.tm_sec==10);
assert(app_epoch==1793001610); /* Local RTC +8, UTC remains unshifted. */
}
return 0;
}
'''.replace('APP_SOURCE', str(APP / 'app_nitz_test.c'))
@@ -149,18 +158,24 @@ int main(int argc,char **argv) {
'-fsanitize=address,undefined', '-I', str(work), '-I', str(APP / 'inc'),
str(work / 'test.c'), '-o', str(work / 'test')], check=True)
cases = {0: 'PASS source=nitz', 1: 'FAIL stage=sdk_api_unavailable',
2: 'FAIL stage=no_fresh_nitz', 3: 'FAIL stage=no_fresh_nitz',
4: 'FAIL stage=no_fresh_nitz', 5: 'FAIL stage=no_fresh_nitz',
6: 'cached_or_inconsistent_nitz=1', 7: 'FAIL stage=local_calendar',
2: 'FAIL stage=no_valid_nitz', 3: 'FAIL stage=no_valid_nitz',
4: 'FAIL stage=no_valid_nitz', 5: 'FAIL stage=no_valid_nitz',
6: 'PASS source=nitz', 7: 'FAIL stage=local_calendar',
8: 'FAIL stage=app_clock_verification', 9: 'FAIL stage=app_clock_verification',
10: 'FAIL stage=app_clock_verification', 11: 'FAIL stage=app_clock_verification',
12: 'PASS source=nitz', 13: 'PASS source=nitz', 14: 'PASS source=nitz',
15: 'FAIL stage=no_fresh_nitz', 16: 'PASS source=nitz',
17: 'FAIL stage=no_fresh_nitz', 18: 'cached_or_inconsistent_nitz=1',
19: 'FAIL stage=create_task', 20: 'FAIL stage=app_clock_verification', 21: 'PASS source=nitz', 22: 'FAIL stage=no_fresh_nitz'}
15: 'FAIL stage=local_calendar', 16: 'PASS source=nitz',
17: 'FAIL stage=no_valid_nitz', 18: 'PASS source=nitz',
19: 'FAIL stage=create_task', 20: 'FAIL stage=app_clock_verification',
21: 'PASS source=nitz', 22: 'PASS source=nitz', 23: 'PASS source=nitz',
24: 'PASS source=nitz', 25: 'FAIL stage=local_calendar'}
for mode, expected in cases.items():
log = subprocess.check_output([str(work / 'test'), str(mode)], text=True)
assert expected in log, log
if mode not in (0, 12, 13, 14, 16, 21):
assert '[APP-SYS-PROBE]' not in log, log
assert 'stage=freshness' not in log, log
if expected.startswith('PASS'):
assert 'age=unknown first_valid_after_pdp=1 max_rtc_writes=1' in log, log
else:
assert '[APP-NITZ-TEST] PASS ' not in log, log
print('PASS: Gregorian/parser validation and 23 API/freshness/RTC scenarios (ASan/UBSan)')
print('PASS: parser validation and 26 first-snapshot/retry/timezone/RTC scenarios (ASan/UBSan)')