organicmaps/fast_double_parser
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Adding test.

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This commit is contained in:
Daniel Lemire 2022-10-02 10:59:26 -04:00
parent 267b118aec
commit 357eec4e61
1 changed files with 12 additions and 0 deletions
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12
tests/unit.cpp
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@ -226,6 +226,16 @@ void issue32() {
std::cout << "zero maps to zero" << std::endl;
}
void negative_subsubnormal_to_negative_zero() {
std::string a = "-1e-999";
double x;
bool ok = fast_double_parser::parse_number(a.c_str(), &x);
if(!ok) throw std::runtime_error("could not parse -1e-999");
if(!std::signbit(x)) throw std::runtime_error("-1e-999 signbit is positive");
if(x != -0) throw std::runtime_error("-1e-999 is not -0");
std::cout << "-1e-999 parses to -0" << std::endl;
}
void issue50_fastpath() {
std::string a = "-0.0";
double x;
@ -235,6 +245,7 @@ void issue50_fastpath() {
std::cout << "-0.0 signbit is negative" << std::endl;
}
void issue50_off_fastpath() {
std::string a = "-0.0e-22";
double x;
@ -373,6 +384,7 @@ int main() {
throw std::runtime_error("fast_double_parser disagrees");
}
}
negative_subsubnormal_to_negative_zero();
std::cout << std::endl;
std::cout << "All ok" << std::endl;
printf("Good!\n");