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Move some numbers tests to use_double_0.cpp

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This commit is contained in:
Benoit Blanchon
2024-09-03 19:18:32 +02:00
parent e4e2557b76
commit fd6314e132
2 changed files with 63 additions and 32 deletions
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70
extras/tests/MixedConfiguration/use_double_0.cpp
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@@ -3,15 +3,65 @@
#include <catch.hpp>
TEST_CASE("ARDUINOJSON_USE_DOUBLE == 0") {
JsonDocument doc;
JsonObject root = doc.to<JsonObject>();
namespace my {
using ArduinoJson::detail::isinf;
} // namespace my
root["pi"] = 3.14;
root["e"] = 2.72;
std::string json;
serializeJson(doc, json);
REQUIRE(json == "{\"pi\":3.14,\"e\":2.72}");
void checkFloat(const char* input, float expected) {
using ArduinoJson::detail::NumberType;
using ArduinoJson::detail::parseNumber;
CAPTURE(input);
auto result = parseNumber(input);
REQUIRE(result.type() == NumberType::Float);
REQUIRE(result.asFloat() == Approx(expected));
}
TEST_CASE("ARDUINOJSON_USE_DOUBLE == 0") {
SECTION("serializeJson()") {
JsonDocument doc;
JsonObject root = doc.to<JsonObject>();
root["pi"] = 3.14;
root["e"] = 2.72;
std::string json;
serializeJson(doc, json);
REQUIRE(json == "{\"pi\":3.14,\"e\":2.72}");
}
SECTION("parseNumber()") {
using ArduinoJson::detail::NumberType;
using ArduinoJson::detail::parseNumber;
SECTION("Large positive number") {
auto result = parseNumber("1e300");
REQUIRE(result.type() == NumberType::Float);
REQUIRE(result.asFloat() > 0);
REQUIRE(my::isinf(result.asFloat()));
}
SECTION("Large negative number") {
auto result = parseNumber("-1e300");
REQUIRE(result.type() == NumberType::Float);
REQUIRE(result.asFloat() < 0);
REQUIRE(my::isinf(result.asFloat()));
}
SECTION("Too small to be represented") {
auto result = parseNumber("1e-300");
REQUIRE(result.type() == NumberType::Float);
REQUIRE(result.asFloat() == 0);
}
SECTION("MantissaTooLongToFit") {
checkFloat("0.340282346638528861111111111111", 0.34028234663852886f);
checkFloat("34028234663852886.11111111111111", 34028234663852886.0f);
checkFloat("34028234.66385288611111111111111", 34028234.663852886f);
checkFloat("-0.340282346638528861111111111111", -0.34028234663852886f);
checkFloat("-34028234663852886.11111111111111", -34028234663852886.0f);
checkFloat("-34028234.66385288611111111111111", -34028234.663852886f);
}
}
}