organicmaps/fast_double_parser
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Added a couple of tests.

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This commit is contained in:
Daniel Lemire 2020-09-24 15:48:43 -04:00
parent 98c751de3e
commit d75788c4b5
1 changed files with 35 additions and 1 deletions
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36
tests/unit.cpp
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@ -268,6 +268,34 @@ void issue23_2() {
std::cout << "can parse 5e0012" << std::endl;
}
inline void Assert(bool Assertion) {
if (!Assertion)
throw std::runtime_error("bug");
}
bool basic_test_64bit(std::string vals, double val) {
std::cout << " parsing " << vals << std::endl;
double result_value;
bool ok = fast_double_parser::parse_number(vals.c_str(), & result_value);
if (!ok) {
std::cerr << " I could not parse " << vals << std::endl;
return false;
}
if (std::isnan(val)) {
if (!std::isnan(result_value)) {
std::cerr << "not nan" << result_value << std::endl;
return false;
}
} else if (result_value != val) {
std::cerr << "I got " << std::setprecision(15) << result_value << " but I was expecting " << val
<< std::endl;
std::cerr << "string: " << vals << std::endl;
return false;
}
std::cout << std::hexfloat << result_value << " == " << val << std::endl;
std::cout << std::dec;
return true;
}
int main() {
const int evl_method = FLT_EVAL_METHOD;
printf("FLT_EVAL_METHOD = %d\n", evl_method);
@ -275,6 +303,11 @@ int main() {
if(!is_pow_correct) {
printf("It appears that your system has a bad pow function.\n");
}
Assert(basic_test_64bit("4503599627370496.5", 4503599627370496.5));
Assert(basic_test_64bit("4503599627370497.5", 4503599627370497.5));
Assert(basic_test_64bit("0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375", 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375));
Assert(basic_test_64bit("0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375", 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375));
issue23();
issue23_2();
unit_tests();
@ -318,7 +351,8 @@ int main() {
throw std::runtime_error("fast_double_parser disagrees");
}
}
std::cout << std::endl;
std::cout << "All ok" << std::endl;
printf("Good!\n");
return EXIT_SUCCESS;
}