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More testing.

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This commit is contained in:
Daniel Lemire 2020-11-06 17:28:55 -05:00
parent c975e468a1
commit 693fa66fa4
2 changed files with 53 additions and 6 deletions
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1
include/fast_float/ascii_number.h
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@ -116,6 +116,7 @@ parsed_number_string parse_number_string(const char *p, const char *pend, chars_
return answer;
}
// Otherwise, we will be ignoring the 'e'.
p = location_of_e;
} else {
while ((p != pend) && is_integer(*p)) {
uint8_t digit = uint8_t(*p - '0');

58
tests/basictest.cpp
View File

@ -111,13 +111,10 @@ bool basic_test_64bit(std::string vals, double val) {
std::cout << std::hexfloat << result_value << " == " << val << std::endl;
return true;
}
bool basiciss_test_64bit(double val) {
std::string long_vals = to_long_string(val);
std::string vals = to_string(val);
return basic_test_64bit(long_vals, val) && basic_test_64bit(vals, val);
}
bool issue8() {
std::cout << __func__ << std::endl;
const char* s =
"3."
"141592653589793238462643383279502884197169399375105820974944592307816406"
@ -148,6 +145,7 @@ bool issue8() {
}
bool check_behavior() {
std::cout << __func__ << std::endl;
const std::string input = "abc";
double result;
auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result);
@ -165,6 +163,7 @@ bool check_behavior() {
}
bool issue19() {
std::cout << __func__ << std::endl;
const std::string input = "3.14e";
double result;
auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result);
@ -173,14 +172,61 @@ bool issue19() {
return false;
}
std::cout << "parsed the number " << result << std::endl;
if(answer.ptr != input.data() + 4) {
if(answer.ptr == input.data() + 4) {
std::cout << "Parsed the number and stopped at the right character." << result << std::endl;
return true;
}
std::cout << "stopped after " << (answer.ptr - input.data()) << " characters" << std::endl;
return false;
}
bool test_scientific_only() {
std::cout << __func__ << std::endl;
// first, we try with something that should fail...
std::string input = "3.14";
double result;
auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result, fast_float::chars_format::scientific);
if(answer.ec == std::errc()) {
std::cerr << "It is not scientific!\n";
return false;
}
input = "3.14e10";
result;
answer = fast_float::from_chars(input.data(), input.data()+input.size(), result, fast_float::chars_format::scientific);
if(answer.ec != std::errc()) {
std::cerr << "It is scientific!\n";
return false;
}
std::cout << "parsed the number " << result << std::endl;
if(answer.ptr == input.data() + input.size()) {
std::cout << "Parsed the number and stopped at the right character." << result << std::endl;
return true;
}
return false;
}
bool test_fixed_only() {
std::cout << __func__ << std::endl;
const std::string input = "3.14e10";
double result;
auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result, fast_float::chars_format::fixed);
if(answer.ec != std::errc()) {
std::cerr << "We want to parse up to 3.14\n";
return false;
}
std::cout << "parsed the number " << result << std::endl;
if(answer.ptr == input.data() + 4) {
std::cout << "Parsed the number and stopped at the right character." << result << std::endl;
return true;
}
return false;
}
int main() {
Assert(test_fixed_only());
Assert(test_scientific_only());
Assert(issue19());
Assert(check_behavior());
std::cout << "======= 64 bits " << std::endl;