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MicroDexed/third-party/ArduinoJson/extras/tests/Misc/FloatParts.cpp

44 lines
1.2 KiB

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2023, Benoit BLANCHON
// MIT License
#include <ArduinoJson/Numbers/FloatParts.hpp>
#include <catch.hpp>
using namespace ArduinoJson::detail;
TEST_CASE("FloatParts<double>") {
SECTION("1.7976931348623157E+308") {
FloatParts<double> parts(1.7976931348623157E+308);
REQUIRE(parts.integral == 1);
REQUIRE(parts.decimal == 797693135);
REQUIRE(parts.decimalPlaces == 9);
REQUIRE(parts.exponent == 308);
}
SECTION("4.94065645841247e-324") {
FloatParts<double> parts(4.94065645841247e-324);
REQUIRE(parts.integral == 4);
REQUIRE(parts.decimal == 940656458);
REQUIRE(parts.decimalPlaces == 9);
REQUIRE(parts.exponent == -324);
}
}
TEST_CASE("FloatParts<float>") {
SECTION("3.4E+38") {
FloatParts<float> parts(3.4E+38f);
REQUIRE(parts.integral == 3);
REQUIRE(parts.decimal == 4);
REQUIRE(parts.decimalPlaces == 1);
REQUIRE(parts.exponent == 38);
}
SECTION("1.17549435e−38") {
FloatParts<float> parts(1.17549435e-38f);
REQUIRE(parts.integral == 1);
REQUIRE(parts.decimal == 175494);
REQUIRE(parts.decimalPlaces == 6);
REQUIRE(parts.exponent == -38);
}
}