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-rw-r--r--tests/test-cutils.c154
1 files changed, 143 insertions, 11 deletions
diff --git a/tests/test-cutils.c b/tests/test-cutils.c
index 1aa8351520..6d9802e00b 100644
--- a/tests/test-cutils.c
+++ b/tests/test-cutils.c
@@ -1960,11 +1960,19 @@ 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);
@@ -1984,7 +1992,7 @@ static void test_qemu_strtosz_simple(void)
g_assert_cmpint(res, ==, 0x20000000000000);
g_assert(endptr == str + 16);
- str = "9007199254740993"; /* 2^53+1 */
+ str = "9007199254740993"; /* 2^53+1 FIXME loss of precision is a bug */
err = qemu_strtosz(str, &endptr, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0x20000000000000); /* rounded to 53 bits */
@@ -1996,14 +2004,42 @@ static void test_qemu_strtosz_simple(void)
g_assert_cmpint(res, ==, 0xfffffffffffff800);
g_assert(endptr == str + 20);
- str = "18446744073709550591"; /* 0xfffffffffffffbff */
+ str = "18446744073709550591"; /* 0xfffffffffffffbff FIXME */
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() */
+ /*
+ * FIXME 0xfffffffffffffe00..0xffffffffffffffff get rounded to
+ * 2^64, thus -ERANGE; see test_qemu_strtosz_erange()
+ */
+}
+
+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 +2100,36 @@ 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, ==, 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, ==, 12.345 * MiB);
+ g_assert_cmpint(res, ==, (uint64_t) (12.345 * MiB));
g_assert(endptr == str + 7);
}
@@ -2106,6 +2164,47 @@ 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 */
+ /* FIXME endptr shouldn't move on -EINVAL */
+ str = "1.1B";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str + 4);
+
+ /* FIXME endptr shouldn't move on -EINVAL */
+ str = "1.1";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert(endptr == str + 3);
+
+ /* FIXME we should reject floating point exponents */
+ str = "1.5e1k";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 15360);
+ g_assert(endptr == str + 6);
+
+ /* FIXME we should reject floating point exponents */
+ str = "1.5E+0k";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 1536);
+ g_assert(endptr == str + 7);
+
+ /* FIXME we should reject hex fractions */
+ str = "0x1.8k";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 1536);
+ g_assert(endptr == str + 6);
+
+ /* FIXME we reject all other attempts at negative, why not -0 */
+ str = "-0";
+ err = qemu_strtosz(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpint(res, ==, 0);
+ g_assert(endptr == str + 2);
}
static void test_qemu_strtosz_trailing(void)
@@ -2131,6 +2230,30 @@ 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)
@@ -2145,12 +2268,12 @@ static void test_qemu_strtosz_erange(void)
g_assert_cmpint(err, ==, -ERANGE);
g_assert(endptr == str + 2);
- str = "18446744073709550592"; /* 0xfffffffffffffc00 */
+ str = "18446744073709550592"; /* 0xfffffffffffffc00 FIXME accept this */
err = qemu_strtosz(str, &endptr, &res);
g_assert_cmpint(err, ==, -ERANGE);
g_assert(endptr == str + 20);
- str = "18446744073709551615"; /* 2^64-1 */
+ str = "18446744073709551615"; /* 2^64-1 FIXME accept this */
err = qemu_strtosz(str, &endptr, &res);
g_assert_cmpint(err, ==, -ERANGE);
g_assert(endptr == str + 20);
@@ -2168,15 +2291,22 @@ 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 +2573,8 @@ 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 12:57:58 +0100