Tasmota/lib/ArduinoJson/test/JsonVariant_PrintTo_Tests.cpp

134 lines
3.1 KiB
C++

// Copyright Benoit Blanchon 2014-2017
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#include <ArduinoJson.h>
#include <gtest/gtest.h>
#include <limits>
class JsonVariant_PrintTo_Tests : public testing::Test {
protected:
JsonVariant variant;
void outputMustBe(const char *expected) {
char buffer[256] = "";
size_t n = variant.printTo(buffer, sizeof(buffer));
ASSERT_STREQ(expected, buffer);
ASSERT_EQ(strlen(expected), n);
}
};
TEST_F(JsonVariant_PrintTo_Tests, Empty) {
outputMustBe("");
}
TEST_F(JsonVariant_PrintTo_Tests, Null) {
variant = static_cast<char *>(0);
outputMustBe("null");
}
TEST_F(JsonVariant_PrintTo_Tests, String) {
variant = "hello";
outputMustBe("\"hello\"");
}
TEST_F(JsonVariant_PrintTo_Tests, DoubleZero) {
variant = 0.0;
outputMustBe("0.00");
}
TEST_F(JsonVariant_PrintTo_Tests, DoubleDefaultDigits) {
variant = 3.14159265358979323846;
outputMustBe("3.14");
}
TEST_F(JsonVariant_PrintTo_Tests, DoubleFourDigits) {
variant = JsonVariant(3.14159265358979323846, 4);
outputMustBe("3.1416");
}
TEST_F(JsonVariant_PrintTo_Tests, Infinity) {
variant = std::numeric_limits<double>::infinity();
outputMustBe("Infinity");
}
TEST_F(JsonVariant_PrintTo_Tests, MinusInfinity) {
variant = -std::numeric_limits<double>::infinity();
outputMustBe("-Infinity");
}
TEST_F(JsonVariant_PrintTo_Tests, SignalingNaN) {
variant = std::numeric_limits<double>::signaling_NaN();
outputMustBe("NaN");
}
TEST_F(JsonVariant_PrintTo_Tests, QuietNaN) {
variant = std::numeric_limits<double>::quiet_NaN();
outputMustBe("NaN");
}
TEST_F(JsonVariant_PrintTo_Tests, VeryBigPositiveDouble) {
variant = JsonVariant(3.14159265358979323846e42, 4);
outputMustBe("3.1416e42");
}
TEST_F(JsonVariant_PrintTo_Tests, VeryBigNegativeDouble) {
variant = JsonVariant(-3.14159265358979323846e42, 4);
outputMustBe("-3.1416e42");
}
TEST_F(JsonVariant_PrintTo_Tests, VerySmallPositiveDouble) {
variant = JsonVariant(3.14159265358979323846e-42, 4);
outputMustBe("3.1416e-42");
}
TEST_F(JsonVariant_PrintTo_Tests, VerySmallNegativeDouble) {
variant = JsonVariant(-3.14159265358979323846e-42, 4);
outputMustBe("-3.1416e-42");
}
TEST_F(JsonVariant_PrintTo_Tests, Integer) {
variant = 42;
outputMustBe("42");
}
TEST_F(JsonVariant_PrintTo_Tests, NegativeLong) {
variant = -42;
outputMustBe("-42");
}
TEST_F(JsonVariant_PrintTo_Tests, UnsignedLong) {
variant = 4294967295UL;
outputMustBe("4294967295");
}
TEST_F(JsonVariant_PrintTo_Tests, True) {
variant = true;
outputMustBe("true");
}
TEST_F(JsonVariant_PrintTo_Tests, OneFalse) {
variant = false;
outputMustBe("false");
}
#if ARDUINOJSON_USE_LONG_LONG || ARDUINOJSON_USE_INT64
TEST_F(JsonVariant_PrintTo_Tests, NegativeInt64) {
variant = -9223372036854775807 - 1;
outputMustBe("-9223372036854775808");
}
TEST_F(JsonVariant_PrintTo_Tests, PositiveInt64) {
variant = 9223372036854775807;
outputMustBe("9223372036854775807");
}
TEST_F(JsonVariant_PrintTo_Tests, UInt64) {
variant = 18446744073709551615;
outputMustBe("18446744073709551615");
}
#endif