TEST(logcat, tail_time) {
FILE *fp;
ASSERT_TRUE(NULL != (fp = popen("logcat -v long -b all -t 10 2>&1", "r")));
char buffer[BIG_BUFFER];
char *last_timestamp = NULL;
char *first_timestamp = NULL;
int count = 0;
char *cp;
while ((cp = fgetLongTime(buffer, sizeof(buffer), fp))) {
++count;
if (!first_timestamp) {
first_timestamp = strdup(cp);
}
free(last_timestamp);
last_timestamp = strdup(cp);
}
pclose(fp);
EXPECT_EQ(10, count);
EXPECT_TRUE(last_timestamp != NULL);
EXPECT_TRUE(first_timestamp != NULL);
snprintf(buffer, sizeof(buffer), "logcat -v long -b all -t '%s' 2>&1",
first_timestamp);
ASSERT_TRUE(NULL != (fp = popen(buffer, "r")));
int second_count = 0;
int last_timestamp_count = -1;
while ((cp = fgetLongTime(buffer, sizeof(buffer), fp))) {
++second_count;
if (first_timestamp) {
// we can get a transitory *extremely* rare failure if hidden
// underneath the time is *exactly* XX-XX XX:XX:XX.XXX000000
EXPECT_STREQ(cp, first_timestamp);
free(first_timestamp);
first_timestamp = NULL;
}
if (!strcmp(cp, last_timestamp)) {
last_timestamp_count = second_count;
}
}
pclose(fp);
free(last_timestamp);
last_timestamp = NULL;
free(first_timestamp);
EXPECT_TRUE(first_timestamp == NULL);
EXPECT_LE(count, second_count);
EXPECT_LE(count, last_timestamp_count);
}
void do_tail(int num) {
int tries = 3; // in case run too soon after system start or buffer clear
int count;
do {
char buffer[BIG_BUFFER];
snprintf(buffer, sizeof(buffer),
"logcat -v long -b radio -b events -b system -b main -t %d 2>/dev/null",
num);
FILE *fp;
ASSERT_TRUE(NULL != (fp = popen(buffer, "r")));
count = 0;
while (fgetLongTime(buffer, sizeof(buffer), fp)) {
++count;
}
pclose(fp);
} while ((count < num) && --tries && (sleep(1), true));
ASSERT_EQ(num, count);
}
TEST(logcat, tz) {
if (android_log_clockid() == CLOCK_MONOTONIC) {
fprintf(stderr, "Skipping test, logd is monotonic time\n");
return;
}
int tries = 3; // in case run too soon after system start or buffer clear
int count;
do {
FILE *fp;
ASSERT_TRUE(NULL != (fp = popen(
"logcat -v long -v America/Los_Angeles -b all -t 3 2>/dev/null",
"r")));
char buffer[BIG_BUFFER];
count = 0;
while (fgetLongTime(buffer, sizeof(buffer), fp)) {
if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) {
++count;
}
}
pclose(fp);
} while ((count < 3) && --tries && (sleep(1), true));
ASSERT_EQ(3, count);
}
TEST(logcat, tz) {
if (android_log_clockid() == CLOCK_MONOTONIC) {
fprintf(stderr, "Skipping test, logd is monotonic time\n");
return;
}
FILE *fp;
ASSERT_TRUE(NULL != (fp = popen(
"logcat -v long -v America/Los_Angeles -b all -t 3 2>/dev/null",
"r")));
char buffer[5120];
int count = 0;
while (fgetLongTime(buffer, sizeof(buffer), fp)) {
if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) {
++count;
}
}
pclose(fp);
ASSERT_EQ(3, count);
}
TEST(logcat, tail_1000) {
FILE *fp;
ASSERT_TRUE(NULL != (fp = popen(
"logcat -v long -b radio -b events -b system -b main -t 1000 2>/dev/null",
"r")));
char buffer[5120];
int count = 0;
while (fgetLongTime(buffer, sizeof(buffer), fp)) {
++count;
}
pclose(fp);
ASSERT_EQ(1000, count);
}
TEST(logcat, ntz) {
FILE *fp;
ASSERT_TRUE(NULL != (fp = popen(
"logcat -v long -v America/Los_Angeles -v zone -b all -t 3 2>/dev/null",
"r")));
char buffer[BIG_BUFFER];
int count = 0;
while (fgetLongTime(buffer, sizeof(buffer), fp)) {
if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) {
++count;
}
}
pclose(fp);
ASSERT_EQ(0, count);
}