b708b47c4b
【主 题】：添加库文件 【描 述】： [原因]： [过程]： [影响]： 【结 束】 # 类型 包含: # feat：新功能（feature） # fix：修补bug # docs：文档（documentation） # style： 格式（不影响代码运行的变动） # refactor：重构（即不是新增功能，也不是修改bug的代码变动） # test：增加测试 # chore：构建过程或辅助工具的变动
97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
// ArduinoJson - https://arduinojson.org
|
|
// Copyright © 2014-2022, Benoit BLANCHON
|
|
// MIT License
|
|
|
|
#define ARDUINOJSON_USE_DOUBLE 1
|
|
#define ARDUINOJSON_ENABLE_NAN 1
|
|
#define ARDUINOJSON_ENABLE_INFINITY 1
|
|
|
|
#include <ArduinoJson.hpp>
|
|
#include <catch.hpp>
|
|
|
|
using namespace ARDUINOJSON_NAMESPACE;
|
|
|
|
void checkDouble(const char* input, double expected) {
|
|
CAPTURE(input);
|
|
REQUIRE(parseNumber<double>(input) == Approx(expected));
|
|
}
|
|
|
|
void checkDoubleNaN(const char* input) {
|
|
CAPTURE(input);
|
|
double result = parseNumber<double>(input);
|
|
REQUIRE(result != result);
|
|
}
|
|
|
|
void checkDoubleInf(const char* input, bool negative) {
|
|
CAPTURE(input);
|
|
double x = parseNumber<double>(input);
|
|
if (negative)
|
|
REQUIRE(x < 0);
|
|
else
|
|
REQUIRE(x > 0);
|
|
REQUIRE(x == x); // not a NaN
|
|
REQUIRE(x * 2 == x); // a property of infinity
|
|
}
|
|
|
|
TEST_CASE("parseNumber<double>()") {
|
|
SECTION("Short_NoExponent") {
|
|
checkDouble("3.14", 3.14);
|
|
checkDouble("-3.14", -3.14);
|
|
checkDouble("+3.14", +3.14);
|
|
}
|
|
|
|
SECTION("Short_NoDot") {
|
|
checkDouble("1E+308", 1E+308);
|
|
checkDouble("-1E+308", -1E+308);
|
|
checkDouble("+1E-308", +1E-308);
|
|
checkDouble("+1e+308", +1e+308);
|
|
checkDouble("-1e-308", -1e-308);
|
|
}
|
|
|
|
SECTION("Max") {
|
|
checkDouble(".017976931348623147e+310", 1.7976931348623147e+308);
|
|
checkDouble(".17976931348623147e+309", 1.7976931348623147e+308);
|
|
checkDouble("1.7976931348623147e+308", 1.7976931348623147e+308);
|
|
checkDouble("17.976931348623147e+307", 1.7976931348623147e+308);
|
|
checkDouble("179.76931348623147e+306", 1.7976931348623147e+308);
|
|
}
|
|
|
|
SECTION("Min") {
|
|
checkDouble(".022250738585072014e-306", 2.2250738585072014e-308);
|
|
checkDouble(".22250738585072014e-307", 2.2250738585072014e-308);
|
|
checkDouble("2.2250738585072014e-308", 2.2250738585072014e-308);
|
|
checkDouble("22.250738585072014e-309", 2.2250738585072014e-308);
|
|
checkDouble("222.50738585072014e-310", 2.2250738585072014e-308);
|
|
}
|
|
|
|
SECTION("VeryLong") {
|
|
checkDouble("0.00000000000000000000000000000001", 1e-32);
|
|
checkDouble("100000000000000000000000000000000.0", 1e+32);
|
|
checkDouble(
|
|
"100000000000000000000000000000000.00000000000000000000000000000",
|
|
1e+32);
|
|
}
|
|
|
|
SECTION("MantissaTooLongToFit") {
|
|
checkDouble("0.179769313486231571111111111111", 0.17976931348623157);
|
|
checkDouble("17976931348623157.11111111111111", 17976931348623157.0);
|
|
checkDouble("1797693.134862315711111111111111", 1797693.1348623157);
|
|
|
|
checkDouble("-0.179769313486231571111111111111", -0.17976931348623157);
|
|
checkDouble("-17976931348623157.11111111111111", -17976931348623157.0);
|
|
checkDouble("-1797693.134862315711111111111111", -1797693.1348623157);
|
|
}
|
|
|
|
SECTION("ExponentTooBig") {
|
|
checkDoubleInf("1e309", false);
|
|
checkDoubleInf("-1e309", true);
|
|
checkDoubleInf("1e65535", false);
|
|
checkDouble("1e-65535", 0.0);
|
|
}
|
|
|
|
SECTION("NaN") {
|
|
checkDoubleNaN("NaN");
|
|
checkDoubleNaN("nan");
|
|
}
|
|
}
|