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fmt support started

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Mateusz Pusz
2019-10-18 23:50:43 +02:00
parent 1ea918e543
commit 53720c82b8
4 changed files with 249 additions and 93 deletions
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test/unit_test/runtime/text_test.cpp
+145 -15
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@@ -25,6 +25,7 @@
#include "units/dimensions/power.h"
#include "units/dimensions/velocity.h"
#include "units/dimensions/volume.h"
#include "units/format.h"
#include "units/math.h"
#include <catch2/catch.hpp>
#include <sstream>
@@ -159,23 +160,152 @@ TEST_CASE("operator<< on a quantity", "[text][ostream]")
}
}
// SCENARIO("default format '{}' produces the same output as operator<<", "[text][fmt]")
// {
// GIVEN("A quantity q") {
// auto q = 2m;
// REQUIRE(q.count() == 2);
TEST_CASE("fmt with default format {} on a quantity", "[text][fmt]")
{
std::stringstream stream;
// WHEN("format(\"{}\", q) is called") {
// std::string fmtstr = format("{}", q);
SECTION("quantity with a predefined unit")
{
SECTION("integral representation")
{
constexpr auto q = 60W;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
// THEN("the same output as operator<< is returned") {
// std::stringstream stream;
// stream << q;
// REQUIRE(fmtstr == stream.str());
// }
// }
// }
// }
SECTION("floating-point representation")
{
constexpr auto q = 72.5kJ;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit with a prefix")
{
constexpr auto q = 125us;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
}
SECTION("quantity with a predefined dimension but unknown unit")
{
SECTION("unit::ratio as an SI prefix for a dimension with a special symbol")
{
constexpr auto q = 4.N * 2cm;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio for a dimension without a special symbol")
{
constexpr auto q = 2.cm * 2m * 2m;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio::num != 1 && unit::ratio::den == 1")
{
constexpr auto q = 4 * 2min / (2s * 2s);
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio::num == 1 && unit::ratio::den != 1")
{
constexpr auto q = 20._J / 2min;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio::num != 1 && unit::ratio::den != 1")
{
constexpr auto q = 60.kJ / 2min;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
}
SECTION("quantity with an unkown dimension")
{
SECTION("unit::ratio::num == 1 && unit::ratio::den == 1")
{
constexpr auto q = 2s * 2m * 2kg;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio as an SI prefix")
{
constexpr auto q = 4km * 2s;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio::num != 1 && unit::ratio::den == 1")
{
constexpr auto q = 4kg * 2min / (2s * 2s);
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio::num == 1 && unit::ratio::den != 1")
{
constexpr auto q = 20.kg / 2min;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("unit::ratio::num != 1 && unit::ratio::den != 1")
{
constexpr auto q = 60.min / 2km;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("exp::num == 1 && exp::den == 1")
{
constexpr auto q = 4m * 2s;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("exp::num == 2 && exp::den == 1 for positive exponent")
{
constexpr auto q = 4m * 2s * 2s;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("exp::num == 2 && exp::den == 1 for negative exponent (first dimension)")
{
constexpr auto q = 8.s / 2m / 2m;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("exp::num == 2 && exp::den == 1 for negative exponent (not first dimension)")
{
constexpr auto q = 8.m / 2kg / 2kg;
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("fractional positive exponent")
{
auto q = sqrt(9.m);
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
SECTION("fractional negative exponent")
{
auto q = sqrt(9 / 1.m);
stream << q;
REQUIRE(fmt::format("{}", q) == stream.str());
}
}
}
// Restate operator<< definitions in terms of std::format to make I/O manipulators apply to whole objects
// rather than their parts