cutils: Add qemu_strtol() wrapper

Add wrapper for strtol() function. Include unit tests.

Signed-off-by: Carlos L. Torres <carlos.torres@rackspace.com>
Message-Id: <07199f1c0ff3892790c6322123aee1e92f580550.1437346779.git.carlos.torres@rackspace.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Carlos L. Torres 2015-07-19 18:02:17 -05:00 committed by Paolo Bonzini
parent d1142fb83e
commit 764e0fa497
3 changed files with 379 additions and 0 deletions

View file

@ -226,6 +226,296 @@ static void test_parse_uint_full_correct(void)
g_assert_cmpint(i, ==, 123);
}
static void test_qemu_strtol_correct(void)
{
const char *str = "12345 foo";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 12345);
g_assert(endptr == str + 5);
}
static void test_qemu_strtol_null(void)
{
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(NULL, &endptr, 0, &res);
g_assert_cmpint(err, ==, -EINVAL);
g_assert(endptr == NULL);
}
static void test_qemu_strtol_empty(void)
{
const char *str = "";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0);
g_assert(endptr == str);
}
static void test_qemu_strtol_whitespace(void)
{
const char *str = " \t ";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0);
g_assert(endptr == str);
}
static void test_qemu_strtol_invalid(void)
{
const char *str = " xxxx \t abc";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0);
g_assert(endptr == str);
}
static void test_qemu_strtol_trailing(void)
{
const char *str = "123xxx";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 123);
g_assert(endptr == str + 3);
}
static void test_qemu_strtol_octal(void)
{
const char *str = "0123";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 8, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0123);
g_assert(endptr == str + strlen(str));
res = 999;
endptr = &f;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0123);
g_assert(endptr == str + strlen(str));
}
static void test_qemu_strtol_decimal(void)
{
const char *str = "0123";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 10, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 123);
g_assert(endptr == str + strlen(str));
str = "123";
res = 999;
endptr = &f;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 123);
g_assert(endptr == str + strlen(str));
}
static void test_qemu_strtol_hex(void)
{
const char *str = "0123";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 16, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0x123);
g_assert(endptr == str + strlen(str));
str = "0x123";
res = 999;
endptr = &f;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0x123);
g_assert(endptr == str + strlen(str));
}
static void test_qemu_strtol_max(void)
{
const char *str = g_strdup_printf("%ld", LONG_MAX);
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, LONG_MAX);
g_assert(endptr == str + strlen(str));
}
static void test_qemu_strtol_overflow(void)
{
const char *str = "99999999999999999999999999999999999999999999";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, -ERANGE);
g_assert_cmpint(res, ==, LONG_MAX);
g_assert(endptr == str + strlen(str));
}
static void test_qemu_strtol_underflow(void)
{
const char *str = "-99999999999999999999999999999999999999999999";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, -ERANGE);
g_assert_cmpint(res, ==, LONG_MIN);
g_assert(endptr == str + strlen(str));
}
static void test_qemu_strtol_negative(void)
{
const char *str = " \t -321";
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, -321);
g_assert(endptr == str + strlen(str));
}
static void test_qemu_strtol_full_correct(void)
{
const char *str = "123";
long res = 999;
int err;
err = qemu_strtol(str, NULL, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 123);
}
static void test_qemu_strtol_full_null(void)
{
char f = 'X';
const char *endptr = &f;
long res = 999;
int err;
err = qemu_strtol(NULL, &endptr, 0, &res);
g_assert_cmpint(err, ==, -EINVAL);
g_assert(endptr == NULL);
}
static void test_qemu_strtol_full_empty(void)
{
const char *str = "";
long res = 999L;
int err;
err = qemu_strtol(str, NULL, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0);
}
static void test_qemu_strtol_full_negative(void)
{
const char *str = " \t -321";
long res = 999;
int err;
err = qemu_strtol(str, NULL, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, -321);
}
static void test_qemu_strtol_full_trailing(void)
{
const char *str = "123xxx";
long res;
int err;
err = qemu_strtol(str, NULL, 0, &res);
g_assert_cmpint(err, ==, -EINVAL);
}
static void test_qemu_strtol_full_max(void)
{
const char *str = g_strdup_printf("%ld", LONG_MAX);
long res;
int err;
err = qemu_strtol(str, NULL, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, LONG_MAX);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@ -247,5 +537,34 @@ int main(int argc, char **argv)
g_test_add_func("/cutils/parse_uint_full/correct",
test_parse_uint_full_correct);
/* qemu_strtol() tests */
g_test_add_func("/cutils/qemu_strtol/correct", test_qemu_strtol_correct);
g_test_add_func("/cutils/qemu_strtol/null", test_qemu_strtol_null);
g_test_add_func("/cutils/qemu_strtol/empty", test_qemu_strtol_empty);
g_test_add_func("/cutils/qemu_strtol/whitespace",
test_qemu_strtol_whitespace);
g_test_add_func("/cutils/qemu_strtol/invalid", test_qemu_strtol_invalid);
g_test_add_func("/cutils/qemu_strtol/trailing", test_qemu_strtol_trailing);
g_test_add_func("/cutils/qemu_strtol/octal", test_qemu_strtol_octal);
g_test_add_func("/cutils/qemu_strtol/decimal", test_qemu_strtol_decimal);
g_test_add_func("/cutils/qemu_strtol/hex", test_qemu_strtol_hex);
g_test_add_func("/cutils/qemu_strtol/max", test_qemu_strtol_max);
g_test_add_func("/cutils/qemu_strtol/overflow", test_qemu_strtol_overflow);
g_test_add_func("/cutils/qemu_strtol/underflow",
test_qemu_strtol_underflow);
g_test_add_func("/cutils/qemu_strtol/negative", test_qemu_strtol_negative);
g_test_add_func("/cutils/qemu_strtol_full/correct",
test_qemu_strtol_full_correct);
g_test_add_func("/cutils/qemu_strtol_full/null",
test_qemu_strtol_full_null);
g_test_add_func("/cutils/qemu_strtol_full/empty",
test_qemu_strtol_full_empty);
g_test_add_func("/cutils/qemu_strtol_full/negative",
test_qemu_strtol_full_negative);
g_test_add_func("/cutils/qemu_strtol_full/trailing",
test_qemu_strtol_full_trailing);
g_test_add_func("/cutils/qemu_strtol_full/max",
test_qemu_strtol_full_max);
return g_test_run();
}