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Simplified the implementation of parseNumber()

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This commit is contained in:
Benoit Blanchon
2020-09-04 09:23:40 +02:00
parent 5ab53f42b2
commit 6d2ad4539f
11 changed files with 214 additions and 251 deletions
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1
extras/tests/Numbers/CMakeLists.txt
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@@ -4,6 +4,7 @@
add_executable(NumbersTests
parseFloat.cpp
parseDouble.cpp
parseInteger.cpp
parseNumber.cpp
)

97
extras/tests/Numbers/parseDouble.cpp Normal file
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@@ -0,0 +1,97 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2020
// MIT License
#define ARDUINOJSON_USE_DOUBLE 1
#define ARDUINOJSON_ENABLE_NAN 1
#define ARDUINOJSON_ENABLE_INFINITY 1
#include <ArduinoJson/Numbers/parseNumber.hpp>
#include <ArduinoJson/Variant/VariantImpl.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");
}
}

162
extras/tests/Numbers/parseFloat.cpp
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@@ -6,28 +6,26 @@
#define ARDUINOJSON_ENABLE_NAN 1
#define ARDUINOJSON_ENABLE_INFINITY 1
#include <ArduinoJson/Numbers/parseFloat.hpp>
#include <ArduinoJson/Numbers/parseNumber.hpp>
#include <ArduinoJson/Variant/VariantImpl.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
template <typename T>
void checkFloat(const char* input, T expected) {
void checkFloat(const char* input, float expected) {
CAPTURE(input);
REQUIRE(parseFloat<T>(input) == Approx(expected));
REQUIRE(parseNumber<float>(input) == Approx(expected));
}
template <typename T>
void checkNaN(const char* input) {
void checkFloatNaN(const char* input) {
CAPTURE(input);
T result = parseFloat<T>(input);
float result = parseNumber<float>(input);
REQUIRE(result != result);
}
template <typename T>
void checkInf(const char* input, bool negative) {
void checkFloatInf(const char* input, bool negative) {
CAPTURE(input);
T x = parseFloat<T>(input);
float x = parseNumber<float>(input);
if (negative)
REQUIRE(x < 0);
else
@@ -36,137 +34,69 @@ void checkInf(const char* input, bool negative) {
REQUIRE(x * 2 == x); // a property of infinity
}
TEST_CASE("parseFloat<float>()") {
TEST_CASE("parseNumber<float>()") {
SECTION("Float_Short_NoExponent") {
checkFloat<float>("3.14", 3.14f);
checkFloat<float>("-3.14", -3.14f);
checkFloat<float>("+3.14", +3.14f);
checkFloat("3.14", 3.14f);
checkFloat("-3.14", -3.14f);
checkFloat("+3.14", +3.14f);
}
SECTION("Short_NoDot") {
checkFloat<float>("1E+38", 1E+38f);
checkFloat<float>("-1E+38", -1E+38f);
checkFloat<float>("+1E-38", +1E-38f);
checkFloat<float>("+1e+38", +1e+38f);
checkFloat<float>("-1e-38", -1e-38f);
checkFloat("1E+38", 1E+38f);
checkFloat("-1E+38", -1E+38f);
checkFloat("+1E-38", +1E-38f);
checkFloat("+1e+38", +1e+38f);
checkFloat("-1e-38", -1e-38f);
}
SECTION("Max") {
checkFloat<float>("340.2823e+36", 3.402823e+38f);
checkFloat<float>("34.02823e+37", 3.402823e+38f);
checkFloat<float>("3.402823e+38", 3.402823e+38f);
checkFloat<float>("0.3402823e+39", 3.402823e+38f);
checkFloat<float>("0.03402823e+40", 3.402823e+38f);
checkFloat<float>("0.003402823e+41", 3.402823e+38f);
checkFloat("340.2823e+36", 3.402823e+38f);
checkFloat("34.02823e+37", 3.402823e+38f);
checkFloat("3.402823e+38", 3.402823e+38f);
checkFloat("0.3402823e+39", 3.402823e+38f);
checkFloat("0.03402823e+40", 3.402823e+38f);
checkFloat("0.003402823e+41", 3.402823e+38f);
}
SECTION("VeryLong") {
checkFloat<float>("0.00000000000000000000000000000001", 1e-32f);
checkFloat<float>("100000000000000000000000000000000.0", 1e+32f);
checkFloat<float>(
checkFloat("0.00000000000000000000000000000001", 1e-32f);
checkFloat("100000000000000000000000000000000.0", 1e+32f);
checkFloat(
"100000000000000000000000000000000.00000000000000000000000000000",
1e+32f);
}
SECTION("MantissaTooLongToFit") {
checkFloat<float>("0.340282346638528861111111111111", 0.34028234663852886f);
checkFloat<float>("34028234663852886.11111111111111", 34028234663852886.0f);
checkFloat<float>("34028234.66385288611111111111111", 34028234.663852886f);
checkFloat("0.340282346638528861111111111111", 0.34028234663852886f);
checkFloat("34028234663852886.11111111111111", 34028234663852886.0f);
checkFloat("34028234.66385288611111111111111", 34028234.663852886f);
checkFloat<float>("-0.340282346638528861111111111111",
-0.34028234663852886f);
checkFloat<float>("-34028234663852886.11111111111111",
-34028234663852886.0f);
checkFloat<float>("-34028234.66385288611111111111111",
-34028234.663852886f);
checkFloat("-0.340282346638528861111111111111", -0.34028234663852886f);
checkFloat("-34028234663852886.11111111111111", -34028234663852886.0f);
checkFloat("-34028234.66385288611111111111111", -34028234.663852886f);
}
SECTION("ExponentTooBig") {
checkInf<float>("1e39", false);
checkInf<float>("-1e39", true);
checkInf<float>("1e255", false);
checkFloat<float>("1e-255", 0.0f);
checkFloatInf("1e39", false);
checkFloatInf("-1e39", true);
checkFloatInf("1e255", false);
checkFloat("1e-255", 0.0f);
}
SECTION("NaN") {
checkNaN<float>("NaN");
checkNaN<float>("nan");
checkFloatNaN("NaN");
checkFloatNaN("nan");
}
SECTION("Infinity") {
checkInf<float>("Infinity", false);
checkInf<float>("+Infinity", false);
checkInf<float>("-Infinity", true);
checkInf<float>("inf", false);
checkInf<float>("+inf", false);
checkInf<float>("-inf", true);
checkFloatInf("Infinity", false);
checkFloatInf("+Infinity", false);
checkFloatInf("-Infinity", true);
checkFloatInf("inf", false);
checkFloatInf("+inf", false);
checkFloatInf("-inf", true);
checkInf<float>("1e300", false);
checkInf<float>("-1e300", true);
}
}
TEST_CASE("parseFloat<double>()") {
SECTION("Short_NoExponent") {
checkFloat<double>("3.14", 3.14);
checkFloat<double>("-3.14", -3.14);
checkFloat<double>("+3.14", +3.14);
}
SECTION("Short_NoDot") {
checkFloat<double>("1E+308", 1E+308);
checkFloat<double>("-1E+308", -1E+308);
checkFloat<double>("+1E-308", +1E-308);
checkFloat<double>("+1e+308", +1e+308);
checkFloat<double>("-1e-308", -1e-308);
}
SECTION("Max") {
checkFloat<double>(".017976931348623147e+310", 1.7976931348623147e+308);
checkFloat<double>(".17976931348623147e+309", 1.7976931348623147e+308);
checkFloat<double>("1.7976931348623147e+308", 1.7976931348623147e+308);
checkFloat<double>("17.976931348623147e+307", 1.7976931348623147e+308);
checkFloat<double>("179.76931348623147e+306", 1.7976931348623147e+308);
}
SECTION("Min") {
checkFloat<double>(".022250738585072014e-306", 2.2250738585072014e-308);
checkFloat<double>(".22250738585072014e-307", 2.2250738585072014e-308);
checkFloat<double>("2.2250738585072014e-308", 2.2250738585072014e-308);
checkFloat<double>("22.250738585072014e-309", 2.2250738585072014e-308);
checkFloat<double>("222.50738585072014e-310", 2.2250738585072014e-308);
}
SECTION("VeryLong") {
checkFloat<double>("0.00000000000000000000000000000001", 1e-32);
checkFloat<double>("100000000000000000000000000000000.0", 1e+32);
checkFloat<double>(
"100000000000000000000000000000000.00000000000000000000000000000",
1e+32);
}
SECTION("MantissaTooLongToFit") {
checkFloat<double>("0.179769313486231571111111111111", 0.17976931348623157);
checkFloat<double>("17976931348623157.11111111111111", 17976931348623157.0);
checkFloat<double>("1797693.134862315711111111111111", 1797693.1348623157);
checkFloat<double>("-0.179769313486231571111111111111",
-0.17976931348623157);
checkFloat<double>("-17976931348623157.11111111111111",
-17976931348623157.0);
checkFloat<double>("-1797693.134862315711111111111111",
-1797693.1348623157);
}
SECTION("ExponentTooBig") {
checkInf<double>("1e309", false);
checkInf<double>("-1e309", true);
checkInf<double>("1e65535", false);
checkFloat<double>("1e-65535", 0.0);
}
SECTION("NaN") {
checkNaN<double>("NaN");
checkNaN<double>("nan");
checkFloatInf("1e300", false);
checkFloatInf("-1e300", true);
}
}

15
extras/tests/Numbers/parseInteger.cpp
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@@ -3,7 +3,8 @@
// MIT License
#include <stdint.h>
#include <ArduinoJson/Numbers/parseInteger.hpp>
#include <ArduinoJson/Numbers/parseNumber.hpp>
#include <ArduinoJson/Variant/VariantImpl.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
@@ -11,11 +12,11 @@ using namespace ARDUINOJSON_NAMESPACE;
template <typename T>
void checkInteger(const char* input, T expected) {
CAPTURE(input);
T actual = parseInteger<T>(input);
T actual = parseNumber<T>(input);
REQUIRE(expected == actual);
}
TEST_CASE("parseInteger<int8_t>()") {
TEST_CASE("parseNumber<int8_t>()") {
checkInteger<int8_t>("-128", -128);
checkInteger<int8_t>("127", 127);
checkInteger<int8_t>("+127", 127);
@@ -25,7 +26,7 @@ TEST_CASE("parseInteger<int8_t>()") {
checkInteger<int8_t>("-129", 0); // overflow
}
TEST_CASE("parseInteger<int16_t>()") {
TEST_CASE("parseNumber<int16_t>()") {
checkInteger<int16_t>("-32768", -32768);
checkInteger<int16_t>("32767", 32767);
checkInteger<int16_t>("+32767", 32767);
@@ -35,7 +36,7 @@ TEST_CASE("parseInteger<int16_t>()") {
checkInteger<int16_t>("32768", 0); // overflow
}
TEST_CASE("parseInteger<int32_t>()") {
TEST_CASE("parseNumber<int32_t>()") {
checkInteger<int32_t>("-2147483648", (-2147483647 - 1));
checkInteger<int32_t>("2147483647", 2147483647);
checkInteger<int32_t>("+2147483647", 2147483647);
@@ -45,7 +46,7 @@ TEST_CASE("parseInteger<int32_t>()") {
checkInteger<int32_t>("2147483648", 0); // overflow
}
TEST_CASE("parseInteger<uint8_t>()") {
TEST_CASE("parseNumber<uint8_t>()") {
checkInteger<uint8_t>("0", 0);
checkInteger<uint8_t>("255", 255);
checkInteger<uint8_t>("+255", 255);
@@ -55,7 +56,7 @@ TEST_CASE("parseInteger<uint8_t>()") {
checkInteger<uint8_t>("256", 0);
}
TEST_CASE("parseInteger<uint16_t>()") {
TEST_CASE("parseNumber<uint16_t>()") {
checkInteger<uint16_t>("0", 0);
checkInteger<uint16_t>("65535", 65535);
checkInteger<uint16_t>("+65535", 65535);

25
extras/tests/Numbers/parseNumber.cpp
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@@ -2,22 +2,37 @@
// Copyright Benoit Blanchon 2014-2020
// MIT License
#include <ArduinoJson/Numbers/Integer.hpp>
#include <ArduinoJson/Numbers/parseNumber.hpp>
#include <ArduinoJson/Variant/VariantImpl.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("Test uint32_t overflow") {
ParsedNumber<float, uint32_t> first, second;
parseNumber("4294967295", first);
parseNumber("4294967296", second);
TEST_CASE("Test unsigned integer overflow") {
VariantData first, second;
first.init();
second.init();
// Avoids MSVC warning C4127 (conditional expression is constant)
size_t integerSize = sizeof(Integer);
if (integerSize == 8) {
parseNumber("18446744073709551615", first);
parseNumber("18446744073709551616", second);
} else {
parseNumber("4294967295", first);
parseNumber("4294967296", second);
}
REQUIRE(first.type() == uint8_t(VALUE_IS_POSITIVE_INTEGER));
REQUIRE(second.type() == uint8_t(VALUE_IS_FLOAT));
}
TEST_CASE("Invalid value") {
ParsedNumber<float, uint32_t> result;
VariantData result;
result.init();
parseNumber("6a3", result);
REQUIRE(result.type() == uint8_t(VALUE_IS_NULL));