static void test_qemu_strtosz_simple(void)
{
- const char *str = "12345M";
+ const char *str;
char *endptr = NULL;
- int64_t res;
+ int err;
+ uint64_t res = 0xbaadf00d;
- res = qemu_strtosz(str, &endptr);
- g_assert_cmpint(res, ==, 12345 * M_BYTE);
- g_assert(endptr == str + 6);
+ str = "0";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0);
+ g_assert(endptr == str + 1);
+
+ str = "12345";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 12345);
+ g_assert(endptr == str + 5);
+
+ err = qemu_strtosz(str, NULL, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 12345);
+
+ /* Note: precision is 53 bits since we're parsing with strtod() */
+
+ str = "9007199254740991"; /* 2^53-1 */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0x1fffffffffffff);
+ g_assert(endptr == str + 16);
+
+ str = "9007199254740992"; /* 2^53 */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0x20000000000000);
+ g_assert(endptr == str + 16);
- res = qemu_strtosz(str, NULL);
- g_assert_cmpint(res, ==, 12345 * M_BYTE);
+ str = "9007199254740993"; /* 2^53+1 */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0x20000000000000); /* rounded to 53 bits */
+ g_assert(endptr == str + 16);
+
+ str = "18446744073709549568"; /* 0xfffffffffffff800 (53 msbs set) */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0xfffffffffffff800);
+ g_assert(endptr == str + 20);
+
+ str = "18446744073709550591"; /* 0xfffffffffffffbff */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0xfffffffffffff800); /* rounded to 53 bits */
+ g_assert(endptr == str + 20);
+
+ /* 0x7ffffffffffffe00..0x7fffffffffffffff get rounded to
+ * 0x8000000000000000, thus -ERANGE; see test_qemu_strtosz_erange() */
}
static void test_qemu_strtosz_units(void)
const char *t = "1T";
const char *p = "1P";
const char *e = "1E";
+ int err;
char *endptr = NULL;
- int64_t res;
+ uint64_t res = 0xbaadf00d;
/* default is M */
- res = qemu_strtosz(none, &endptr);
+ err = qemu_strtosz_MiB(none, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, M_BYTE);
g_assert(endptr == none + 1);
- res = qemu_strtosz(b, &endptr);
+ err = qemu_strtosz(b, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 1);
g_assert(endptr == b + 2);
- res = qemu_strtosz(k, &endptr);
+ err = qemu_strtosz(k, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, K_BYTE);
g_assert(endptr == k + 2);
- res = qemu_strtosz(m, &endptr);
+ err = qemu_strtosz(m, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, M_BYTE);
g_assert(endptr == m + 2);
- res = qemu_strtosz(g, &endptr);
+ err = qemu_strtosz(g, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, G_BYTE);
g_assert(endptr == g + 2);
- res = qemu_strtosz(t, &endptr);
+ err = qemu_strtosz(t, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, T_BYTE);
g_assert(endptr == t + 2);
- res = qemu_strtosz(p, &endptr);
+ err = qemu_strtosz(p, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, P_BYTE);
g_assert(endptr == p + 2);
- res = qemu_strtosz(e, &endptr);
+ err = qemu_strtosz(e, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, E_BYTE);
g_assert(endptr == e + 2);
}
static void test_qemu_strtosz_float(void)
{
const char *str = "12.345M";
+ int err;
char *endptr = NULL;
- int64_t res;
+ uint64_t res = 0xbaadf00d;
- res = qemu_strtosz(str, &endptr);
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 12.345 * M_BYTE);
g_assert(endptr == str + 7);
}
{
const char *str;
char *endptr = NULL;
- int64_t res;
+ int err;
+ uint64_t res = 0xbaadf00d;
str = "";
- res = qemu_strtosz(str, &endptr);
- g_assert_cmpint(res, ==, -EINVAL);
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
g_assert(endptr == str);
str = " \t ";
- res = qemu_strtosz(str, &endptr);
- g_assert_cmpint(res, ==, -EINVAL);
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
g_assert(endptr == str);
str = "crap";
- res = qemu_strtosz(str, &endptr);
- g_assert_cmpint(res, ==, -EINVAL);
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
g_assert(endptr == str);
}
{
const char *str;
char *endptr = NULL;
- int64_t res;
+ int err;
+ uint64_t res = 0xbaadf00d;
str = "123xxx";
- res = qemu_strtosz(str, &endptr);
+ err = qemu_strtosz_MiB(str, &endptr, &res);
g_assert_cmpint(res, ==, 123 * M_BYTE);
g_assert(endptr == str + 3);
+ err = qemu_strtosz(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+
str = "1kiB";
- res = qemu_strtosz(str, &endptr);
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 1024);
g_assert(endptr == str + 2);
+
+ err = qemu_strtosz(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
}
static void test_qemu_strtosz_erange(void)
{
- const char *str = "10E";
+ const char *str;
char *endptr = NULL;
- int64_t res;
+ int err;
+ uint64_t res = 0xbaadf00d;
+
+ str = "-1";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert(endptr == str + 2);
+
+ str = "18446744073709550592"; /* 0xfffffffffffffc00 */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert(endptr == str + 20);
+
+ str = "18446744073709551615"; /* 2^64-1 */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert(endptr == str + 20);
- res = qemu_strtosz(str, &endptr);
- g_assert_cmpint(res, ==, -ERANGE);
+ str = "18446744073709551616"; /* 2^64 */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert(endptr == str + 20);
+
+ str = "20E";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
g_assert(endptr == str + 3);
}
-static void test_qemu_strtosz_suffix_unit(void)
+static void test_qemu_strtosz_metric(void)
{
- const char *str = "12345";
+ const char *str = "12345k";
+ int err;
char *endptr = NULL;
- int64_t res;
+ uint64_t res = 0xbaadf00d;
- res = qemu_strtosz_suffix_unit(str, &endptr,
- QEMU_STRTOSZ_DEFSUFFIX_KB, 1000);
+ err = qemu_strtosz_metric(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 12345000);
- g_assert(endptr == str + 5);
+ g_assert(endptr == str + 6);
}
int main(int argc, char **argv)
test_qemu_strtosz_trailing);
g_test_add_func("/cutils/strtosz/erange",
test_qemu_strtosz_erange);
- g_test_add_func("/cutils/strtosz/suffix-unit",
- test_qemu_strtosz_suffix_unit);
+ g_test_add_func("/cutils/strtosz/metric",
+ test_qemu_strtosz_metric);
return g_test_run();
}