diff options
Diffstat (limited to 'libtests')
| -rw-r--r-- | libtests/qintc.cc | 32 | ||||
| -rw-r--r-- | libtests/qtest/qintc/qintc.out | 9 |
2 files changed, 41 insertions, 0 deletions
diff --git a/libtests/qintc.cc b/libtests/qintc.cc index 32c3713f..f9ca9558 100644 --- a/libtests/qintc.cc +++ b/libtests/qintc.cc @@ -48,6 +48,29 @@ static void try_range_check_real( std::cout << ((passed == exp_pass) ? " PASSED" : " FAILED") << std::endl; } +#define try_range_check_subtract(exp_pass, a, b) \ + try_range_check_subtract_real(#a " - " #b, exp_pass, a, b) + +template <typename T> +static void try_range_check_subtract_real( + char const* description, bool exp_pass, + T const& a, T const& b) +{ + bool passed = false; + try + { + QIntC::range_check_substract(a, b); + std::cout << description << ": okay"; + passed = true; + } + catch (std::range_error& e) + { + std::cout << description << ": " << e.what(); + passed = false; + } + std::cout << ((passed == exp_pass) ? " PASSED" : " FAILED") << std::endl; +} + int main() { uint32_t u1 = 3141592653U; // Too big for signed type @@ -96,5 +119,14 @@ int main() try_range_check(false, min_ll, -1LL); try_range_check(false, max_sc, max_sc); try_range_check(true, '!', '#'); + try_range_check_subtract(true, 1, 2); + try_range_check_subtract(true, -1, -2); + try_range_check_subtract(true, 1, 10); + try_range_check_subtract(true, -1, -10); + try_range_check_subtract(false, 0LL, min_ll); + try_range_check_subtract(false, 1LL, min_ll); + try_range_check_subtract(true, 0LL, max_ll); + try_range_check_subtract(true, -1LL, max_ll); + try_range_check_subtract(false, -2LL, max_ll); return 0; } diff --git a/libtests/qtest/qintc/qintc.out b/libtests/qtest/qintc/qintc.out index 5520c635..c78f02ab 100644 --- a/libtests/qtest/qintc/qintc.out +++ b/libtests/qtest/qintc/qintc.out @@ -26,3 +26,12 @@ min_ll + 0LL: okay PASSED min_ll + -1LL: adding -1 to -9223372036854775808 would cause an integer underflow PASSED max_sc + max_sc: adding to would cause an integer overflow PASSED '!' + '#': okay PASSED +1 - 2: okay PASSED +-1 - -2: okay PASSED +1 - 10: okay PASSED +-1 - -10: okay PASSED +0LL - min_ll: subtracting -9223372036854775808 from 0 would cause an integer overflow PASSED +1LL - min_ll: subtracting -9223372036854775808 from 1 would cause an integer overflow PASSED +0LL - max_ll: okay PASSED +-1LL - max_ll: okay PASSED +-2LL - max_ll: subtracting 9223372036854775807 from -2 would cause an integer underflow PASSED |