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X-Received-From: 192.55.52.136 Subject: [Qemu-devel] [PATCH v10 02/11] tests/cutils: Add test for qemu_strtotime_ps() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jingqi.liu@intel.com, tao3.xu@intel.com, fan.du@intel.com, qemu-devel@nongnu.org, daniel@linux.ibm.com, jonathan.cameron@huawei.com, dan.j.williams@intel.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Test the input of basic, time suffixes, float, invaild, trailing and overflow. Signed-off-by: Tao Xu --- New patch in v10. --- tests/test-cutils.c | 199 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 199 insertions(+) diff --git a/tests/test-cutils.c b/tests/test-cutils.c index 1aa8351520..19c967d3d5 100644 --- a/tests/test-cutils.c +++ b/tests/test-cutils.c @@ -2179,6 +2179,193 @@ static void test_qemu_strtosz_metric(void) g_assert(endptr =3D=3D str + 6); } =20 +static void test_qemu_strtotime_ps_simple(void) +{ + const char *str; + const char *endptr; + int err; + uint64_t res =3D 0xbaadf00d; + + str =3D "0"; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 0); + g_assert(endptr =3D=3D str + 1); + + str =3D "56789"; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 56789); + g_assert(endptr =3D=3D str + 5); + + err =3D qemu_strtotime_ps(str, NULL, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 56789); + + /* Note: precision is 53 bits since we're parsing with strtod() */ + + str =3D "9007199254740991"; /* 2^53-1 */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 0x1fffffffffffff); + g_assert(endptr =3D=3D str + 16); + + str =3D "9007199254740992"; /* 2^53 */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 0x20000000000000); + g_assert(endptr =3D=3D str + 16); + + str =3D "9007199254740993"; /* 2^53+1 */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 0x20000000000000); /* rounded to 53 bits = */ + g_assert(endptr =3D=3D str + 16); + + str =3D "18446744073709549568"; /* 0xfffffffffffff800 (53 msbs set) */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 0xfffffffffffff800); + g_assert(endptr =3D=3D str + 20); + + str =3D "18446744073709550591"; /* 0xfffffffffffffbff */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 0xfffffffffffff800); /* rounded to 53 bit= s */ + g_assert(endptr =3D=3D str + 20); + + /* 0x7ffffffffffffe00..0x7fffffffffffffff get rounded to + * 0x8000000000000000, thus -ERANGE; see test_qemu_strtosz_erange() */ +} + +static void test_qemu_strtotime_ps_units(void) +{ + const char *ps =3D "1ps"; + const char *ns =3D "1ns"; + const char *us =3D "1us"; + const char *ms =3D "1ms"; + const char *s =3D "1s"; + int err; + const char *endptr; + uint64_t res =3D 0xbaadf00d; + + err =3D qemu_strtotime_ps(ps, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 1); + g_assert(endptr =3D=3D ps + 3); + + err =3D qemu_strtotime_ps(ns, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 1000); + g_assert(endptr =3D=3D ns + 3); + + err =3D qemu_strtotime_ps(us, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 1000000); + g_assert(endptr =3D=3D us + 3); + + err =3D qemu_strtotime_ps(ms, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 1000000000LL); + g_assert(endptr =3D=3D ms + 3); + + err =3D qemu_strtotime_ps(s, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 1000000000000ULL); + g_assert(endptr =3D=3D s + 2); +} + +static void test_qemu_strtotime_ps_float(void) +{ + const char *str =3D "56.789ns"; + int err; + const char *endptr; + uint64_t res =3D 0xbaadf00d; + + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, 0); + g_assert_cmpint(res, =3D=3D, 56.789 * 1000); + g_assert(endptr =3D=3D str + 8); +} + +static void test_qemu_strtotime_ps_invalid(void) +{ + const char *str; + const char *endptr; + int err; + uint64_t res =3D 0xbaadf00d; + + str =3D ""; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -EINVAL); + g_assert(endptr =3D=3D str); + + str =3D " \t "; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -EINVAL); + g_assert(endptr =3D=3D str); + + str =3D "crap"; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -EINVAL); + g_assert(endptr =3D=3D str); + + str =3D "inf"; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -EINVAL); + g_assert(endptr =3D=3D str); + + str =3D "NaN"; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -EINVAL); + g_assert(endptr =3D=3D str); +} + +static void test_qemu_strtotime_ps_trailing(void) +{ + const char *str; + int err; + uint64_t res =3D 0xbaadf00d; + + str =3D "123xxx"; + + err =3D qemu_strtotime_ps(str, NULL, &res); + g_assert_cmpint(err, =3D=3D, -EINVAL); +} + +static void test_qemu_strtotime_ps_erange(void) +{ + const char *str; + const char *endptr; + int err; + uint64_t res =3D 0xbaadf00d; + + str =3D "-1"; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -ERANGE); + g_assert(endptr =3D=3D str + 2); + + str =3D "18446744073709550592"; /* 0xfffffffffffffc00 */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -ERANGE); + g_assert(endptr =3D=3D str + 20); + + str =3D "18446744073709551615"; /* 2^64-1 */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -ERANGE); + g_assert(endptr =3D=3D str + 20); + + str =3D "18446744073709551616"; /* 2^64 */ + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -ERANGE); + g_assert(endptr =3D=3D str + 20); + + str =3D "200000000000000s"; + err =3D qemu_strtotime_ps(str, &endptr, &res); + g_assert_cmpint(err, =3D=3D, -ERANGE); + g_assert(endptr =3D=3D str + 16); +} + int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); @@ -2456,5 +2643,17 @@ int main(int argc, char **argv) g_test_add_func("/cutils/strtosz/metric", test_qemu_strtosz_metric); =20 + g_test_add_func("/cutils/strtotime/simple", + test_qemu_strtotime_ps_simple); + g_test_add_func("/cutils/strtotime/units", + test_qemu_strtotime_ps_units); + g_test_add_func("/cutils/strtotime/float", + test_qemu_strtotime_ps_float); + g_test_add_func("/cutils/strtotime/invalid", + test_qemu_strtotime_ps_invalid); + g_test_add_func("/cutils/strtotime/trailing", + test_qemu_strtotime_ps_trailing); + g_test_add_func("/cutils/strtotime/erange", + test_qemu_strtotime_ps_erange); return g_test_run(); } --=20 2.20.1