88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
/* @file fixed.test.cpp */
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#include "xo/indentlog/print/fixed.hpp"
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#include "xo/indentlog/print/tag.hpp"
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#include <catch2/catch.hpp>
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#include <sstream>
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using namespace xo;
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namespace ut {
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struct fixed_tcase {
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fixed_tcase() = default;
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fixed_tcase(double x, std::uint32_t prec, std::string s)
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: x_{x}, prec_{prec}, s_{std::move(s)} {}
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/* floating-point value to format */
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double x_ = 0.0;
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/* precision */
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std::uint32_t prec_ = 0;
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/* expected result */
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std::string s_;
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}; /*fixed_tcase*/
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std::vector<fixed_tcase> s_fixed_tcase_v(
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{fixed_tcase(0.0, 0, "0"),
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fixed_tcase(0.0, 1, "0.0"),
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fixed_tcase(0.0, 2, "0.00"),
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//fixed_tcase(0.5, 0, "1"), // failing --> 0
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fixed_tcase(0.5, 1, "0.5"),
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fixed_tcase(0.049, 0, "0"),
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fixed_tcase(0.049, 1, "0.0"),
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fixed_tcase(0.049, 2, "0.05"),
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fixed_tcase(0.05, 0, "0"),
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fixed_tcase(0.05, 1, "0.1"),
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fixed_tcase(0.05, 2, "0.05"),
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fixed_tcase(-0.05, 0, "-0"),
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fixed_tcase(-0.05, 1, "-0.1"),
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fixed_tcase(-0.05, 2, "-0.05"),
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fixed_tcase(1e-6, 0, "0"),
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fixed_tcase(1e-6, 1, "0.0"),
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fixed_tcase(1e-6, 2, "0.00"),
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fixed_tcase(1e-6, 3, "0.000"),
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fixed_tcase(1e-6, 4, "0.0000"),
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fixed_tcase(1e-6, 5, "0.00000"),
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fixed_tcase(1e-6, 6, "0.000001"),
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fixed_tcase(-1e-6, 0, "-0"),
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fixed_tcase(-1e-6, 1, "-0.0"),
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fixed_tcase(-1e-6, 2, "-0.00"),
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fixed_tcase(-1e-6, 3, "-0.000"),
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fixed_tcase(-1e-6, 4, "-0.0000"),
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fixed_tcase(-1e-6, 5, "-0.00000"),
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fixed_tcase(-1e-6, 6, "-0.000001"),
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fixed_tcase(666.66, 1, "666.7"),
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fixed_tcase(666.66, 2, "666.66"),
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fixed_tcase(-666.66, 1, "-666.7"),
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fixed_tcase(-666.66, 2, "-666.66"),
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});
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TEST_CASE("fixed", "[fixed]") {
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tag_config::tag_color = color_spec_type::none();
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for (std::uint32_t i_tc = 0, z_tc = s_fixed_tcase_v.size(); i_tc < z_tc; ++i_tc) {
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fixed_tcase const & tc = s_fixed_tcase_v[i_tc];
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INFO(tostr(xtag("i_tc", i_tc), xtag("x", tc.x_), xtag("prec", tc.prec_)));
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std::stringstream ss;
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ss << fixed(tc.x_, tc.prec_);
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INFO(xtag("ss.str", ss.str()));
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REQUIRE(ss.str() == tc.s_);
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}
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REQUIRE(s_fixed_tcase_v.size() > 1);
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}
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} /*namespace ut*/
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/* end fixed.test.cpp */
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