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add unit tests for conversion without the fast float library

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ado
2022-03-30 19:54:50 +02:00
parent d328f7d59d
commit c214975ca0
5 changed files with 175 additions and 47 deletions
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33
test/test_helpers.hpp
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@@ -46,3 +46,36 @@ struct buffer {
};
[[maybe_unused]] inline buffer buff;
#define CHECK_FLOATING_CONVERSION(input, type) \
{ \
auto eps = std::numeric_limits<type>::min(); \
std::string s = #input; \
auto t = ss::to_num<type>(s.c_str(), s.c_str() + s.size()); \
REQUIRE(t.has_value()); \
CHECK_LT(std::abs(t.value() - type(input)), eps); \
} \
{ \
/* check negative too */ \
auto eps = std::numeric_limits<type>::min(); \
auto s = std::string("-") + #input; \
auto t = ss::to_num<type>(s.c_str(), s.c_str() + s.size()); \
REQUIRE(t.has_value()); \
CHECK_LT(std::abs(t.value() - type(-input)), eps); \
}
#define CHECK_INVALID_CONVERSION(input, type) \
{ \
std::string s = input; \
auto t = ss::to_num<type>(s.c_str(), s.c_str() + s.size()); \
CHECK_FALSE(t.has_value()); \
}
#define REQUIRE_VARIANT(var, el, type) \
{ \
auto ptr = std::get_if<type>(&var); \
REQUIRE(ptr); \
REQUIRE_EQ(el, *ptr); \
}
#define CHECK_NOT_VARIANT(var, type) CHECK(!std::holds_alternative<type>(var));