summaryrefslogtreecommitdiffstats
path: root/tests/test-cutils.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/test-cutils.c')
-rw-r--r--tests/test-cutils.c168
1 files changed, 141 insertions, 27 deletions
diff --git a/tests/test-cutils.c b/tests/test-cutils.c
index 1aa8351520..bad3a60993 100644
--- a/tests/test-cutils.c
+++ b/tests/test-cutils.c
@@ -1960,18 +1960,24 @@ static void test_qemu_strtosz_simple(void)
g_assert_cmpint(res, ==, 0);
g_assert(endptr == str + 1);
- str = "12345";
+ /* Leading 0 gives decimal results, not octal */
+ str = "08";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 8);
+ g_assert(endptr == str + 2);
+
+ /* Leading space is ignored */
+ str = " 12345";
err = qemu_strtosz(str, &endptr, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 12345);
- g_assert(endptr == str + 5);
+ g_assert(endptr == str + 6);
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);
@@ -1987,7 +1993,7 @@ static void test_qemu_strtosz_simple(void)
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_cmpint(res, ==, 0x20000000000001);
g_assert(endptr == str + 16);
str = "18446744073709549568"; /* 0xfffffffffffff800 (53 msbs set) */
@@ -1999,11 +2005,40 @@ static void test_qemu_strtosz_simple(void)
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_cmpint(res, ==, 0xfffffffffffffbff);
g_assert(endptr == str + 20);
- /* 0x7ffffffffffffe00..0x7fffffffffffffff get rounded to
- * 0x8000000000000000, thus -ERANGE; see test_qemu_strtosz_erange() */
+ str = "18446744073709551615"; /* 0xffffffffffffffff */
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0xffffffffffffffff);
+ g_assert(endptr == str + 20);
+}
+
+static void test_qemu_strtosz_hex(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ uint64_t res = 0xbaadf00d;
+
+ str = "0x0";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0);
+ g_assert(endptr == str + 3);
+
+ str = "0xab";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 171);
+ g_assert(endptr == str + 4);
+
+ str = "0xae";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 174);
+ g_assert(endptr == str + 4);
}
static void test_qemu_strtosz_units(void)
@@ -2064,14 +2099,36 @@ static void test_qemu_strtosz_units(void)
static void test_qemu_strtosz_float(void)
{
- const char *str = "12.345M";
+ const char *str;
int err;
const char *endptr;
uint64_t res = 0xbaadf00d;
+ str = "0.5E";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, EiB / 2);
+ g_assert(endptr == str + 4);
+
+ /* For convenience, a fraction of 0 is tolerated even on bytes */
+ str = "1.0B";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 1);
+ g_assert(endptr == str + 4);
+
+ /* An empty fraction is tolerated */
+ str = "1.k";
err = qemu_strtosz(str, &endptr, &res);
g_assert_cmpint(err, ==, 0);
- g_assert_cmpint(res, ==, 12.345 * MiB);
+ g_assert_cmpint(res, ==, 1024);
+ g_assert(endptr == str + 3);
+
+ /* For convenience, we permit values that are not byte-exact */
+ str = "12.345M";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, (uint64_t) (12.345 * MiB));
g_assert(endptr == str + 7);
}
@@ -2106,6 +2163,45 @@ static void test_qemu_strtosz_invalid(void)
err = qemu_strtosz(str, &endptr, &res);
g_assert_cmpint(err, ==, -EINVAL);
g_assert(endptr == str);
+
+ /* Fractional values require scale larger than bytes */
+ str = "1.1B";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str);
+
+ str = "1.1";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str);
+
+ /* No floating point exponents */
+ str = "1.5e1k";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str);
+
+ str = "1.5E+0k";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str);
+
+ /* No hex fractions */
+ str = "0x1.8k";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str);
+
+ /* No negative values */
+ str = "-0";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str);
+
+ str = "-1";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str);
}
static void test_qemu_strtosz_trailing(void)
@@ -2131,6 +2227,30 @@ static void test_qemu_strtosz_trailing(void)
err = qemu_strtosz(str, NULL, &res);
g_assert_cmpint(err, ==, -EINVAL);
+
+ str = "0x";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(res, ==, 0);
+ g_assert(endptr == str + 1);
+
+ err = qemu_strtosz(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+
+ str = "0.NaN";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert(endptr == str + 2);
+
+ err = qemu_strtosz(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+
+ str = "123-45";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(res, ==, 123);
+ g_assert(endptr == str + 3);
+
+ err = qemu_strtosz(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
}
static void test_qemu_strtosz_erange(void)
@@ -2140,22 +2260,7 @@ static void test_qemu_strtosz_erange(void)
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);
-
- str = "18446744073709551616"; /* 2^64 */
+ str = "18446744073709551616"; /* 2^64; see strtosz_simple for 2^64-1 */
err = qemu_strtosz(str, &endptr, &res);
g_assert_cmpint(err, ==, -ERANGE);
g_assert(endptr == str + 20);
@@ -2168,15 +2273,22 @@ static void test_qemu_strtosz_erange(void)
static void test_qemu_strtosz_metric(void)
{
- const char *str = "12345k";
+ const char *str;
int err;
const char *endptr;
uint64_t res = 0xbaadf00d;
+ str = "12345k";
err = qemu_strtosz_metric(str, &endptr, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 12345000);
g_assert(endptr == str + 6);
+
+ str = "12.345M";
+ err = qemu_strtosz_metric(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 12345000);
+ g_assert(endptr == str + 7);
}
int main(int argc, char **argv)
@@ -2443,6 +2555,8 @@ int main(int argc, char **argv)
g_test_add_func("/cutils/strtosz/simple",
test_qemu_strtosz_simple);
+ g_test_add_func("/cutils/strtosz/hex",
+ test_qemu_strtosz_hex);
g_test_add_func("/cutils/strtosz/units",
test_qemu_strtosz_units);
g_test_add_func("/cutils/strtosz/float",
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-18 13:27:46 +0100