diff options
Diffstat (limited to 'tests/test-cutils.c')
| -rw-r--r-- | tests/test-cutils.c | 61 |
1 files changed, 59 insertions, 2 deletions
diff --git a/tests/test-cutils.c b/tests/test-cutils.c index 1773f15a64..df6c3308ea 100644 --- a/tests/test-cutils.c +++ b/tests/test-cutils.c @@ -1371,16 +1371,52 @@ static void test_qemu_strtou64_full_max(void) static void test_qemu_strtosz_simple(void) { - const char *str = "12345M"; + const char *str; char *endptr = NULL; int64_t res; + str = "0"; + res = qemu_strtosz(str, &endptr); + g_assert_cmpint(res, ==, 0); + g_assert(endptr == str + 1); + + str = "12345M"; res = qemu_strtosz(str, &endptr); g_assert_cmpint(res, ==, 12345 * M_BYTE); g_assert(endptr == str + 6); res = qemu_strtosz(str, NULL); g_assert_cmpint(res, ==, 12345 * M_BYTE); + + /* Note: precision is 53 bits since we're parsing with strtod() */ + + str = "9007199254740991"; /* 2^53-1 */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, 0x1fffffffffffff); + g_assert(endptr == str + 16); + + str = "9007199254740992"; /* 2^53 */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, 0x20000000000000); + g_assert(endptr == str + 16); + + str = "9007199254740993"; /* 2^53+1 */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, 0x20000000000000); /* rounded to 53 bits */ + g_assert(endptr == str + 16); + + str = "9223372036854774784"; /* 0x7ffffffffffffc00 (53 msbs set) */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, 0x7ffffffffffffc00); + g_assert(endptr == str + 19); + + str = "9223372036854775295"; /* 0x7ffffffffffffdff */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, 0x7ffffffffffffc00); /* rounded to 53 bits */ + g_assert(endptr == str + 19); + + /* 0x7ffffffffffffe00..0x7fffffffffffffff get rounded to + * 0x8000000000000000, thus -ERANGE; see test_qemu_strtosz_erange() */ } static void test_qemu_strtosz_units(void) @@ -1482,10 +1518,31 @@ static void test_qemu_strtosz_trailing(void) static void test_qemu_strtosz_erange(void) { - const char *str = "10E"; + const char *str; char *endptr = NULL; int64_t res; + str = "-1"; + res = qemu_strtosz(str, &endptr); + g_assert_cmpint(res, ==, -ERANGE); + g_assert(endptr == str + 2); + + str = "9223372036854775296"; /* 0x7ffffffffffffe00 */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, -ERANGE); + g_assert(endptr == str + 19); + + str = "9223372036854775807"; /* 2^63-1 */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, -ERANGE); + g_assert(endptr == str + 19); + + str = "9223372036854775808"; /* 2^63 */ + res = qemu_strtosz_suffix(str, &endptr, QEMU_STRTOSZ_DEFSUFFIX_B); + g_assert_cmpint(res, ==, -ERANGE); + g_assert(endptr == str + 19); + + str = "10E"; res = qemu_strtosz(str, &endptr); g_assert_cmpint(res, ==, -ERANGE); g_assert(endptr == str + 3); |