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This commit is contained in:
Branimir Karadžić
2018-11-12 19:20:31 -08:00
parent 9c75dfec84
commit ac47b863b0
5 changed files with 164 additions and 153 deletions
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81
tests/string_test.cpp
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@@ -318,15 +318,16 @@ TEST_CASE("toString double", "")
REQUIRE(testToString(-79.39773355813419, "-79.39773355813419") );
}
static bool testFromString(double _value, const char* _input)
template<typename Ty>
static bool testFromString(Ty _value, const char* _input)
{
char tmp[1024];
bx::toString(tmp, BX_COUNTOF(tmp), _value);
double lhs;
Ty lhs;
bx::fromString(&lhs, tmp);
double rhs;
Ty rhs;
bx::fromString(&rhs, _input);
if (lhs == rhs)
@@ -338,33 +339,57 @@ static bool testFromString(double _value, const char* _input)
return false;
}
TEST_CASE("fromString float", "")
{
REQUIRE(testFromString<float>(std::numeric_limits<float>::min(), "1.175494351e-38") );
REQUIRE(testFromString<float>(std::numeric_limits<float>::lowest(), "-3.402823466e+38") );
REQUIRE(testFromString<float>(std::numeric_limits<float>::max(), "3.402823466e+38") );
}
TEST_CASE("fromString double", "")
{
REQUIRE(testFromString(0.0, "0.0") );
REQUIRE(testFromString(-0.0, "-0.0") );
REQUIRE(testFromString(1.0, "1.0") );
REQUIRE(testFromString(-1.0, "-1.0") );
REQUIRE(testFromString(1.2345, "1.2345") );
REQUIRE(testFromString(1.2345678, "1.2345678") );
REQUIRE(testFromString(0.123456789012, "0.123456789012") );
REQUIRE(testFromString(1234567.8, "1234567.8") );
REQUIRE(testFromString(-79.39773355813419, "-79.39773355813419") );
REQUIRE(testFromString(0.000001, "0.000001") );
REQUIRE(testFromString(0.0000001, "1e-7") );
REQUIRE(testFromString(1e30, "1e30") );
REQUIRE(testFromString(1.234567890123456e30, "1.234567890123456e30") );
REQUIRE(testFromString(-5e-324, "-5e-324") );
REQUIRE(testFromString(2.225073858507201e-308, "2.225073858507201e-308") );
REQUIRE(testFromString(2.2250738585072014e-308, "2.2250738585072014e-308") );
REQUIRE(testFromString(1.7976931348623157e308, "1.7976931348623157e308") );
REQUIRE(testFromString(0.00000123123123, "0.00000123123123") );
REQUIRE(testFromString(0.000000123123123, "1.23123123e-7") );
REQUIRE(testFromString(123123.123, "123123.123") );
REQUIRE(testFromString(1231231.23, "1231231.23") );
REQUIRE(testFromString(0.000000000123123, "1.23123e-10") );
REQUIRE(testFromString(0.0000000001, "1e-10") );
REQUIRE(testFromString(-270.000000, "-270.0") );
REQUIRE(testFromString(2.2250738585072011e-308, "2.2250738585072011e-308") );
REQUIRE(testFromString<double>(0.0, "0.0") );
REQUIRE(testFromString<double>(-0.0, "-0.0") );
REQUIRE(testFromString<double>(1.0, "1.0") );
REQUIRE(testFromString<double>(-1.0, "-1.0") );
REQUIRE(testFromString<double>(1.2345, "1.2345") );
REQUIRE(testFromString<double>(1.2345678, "1.2345678") );
REQUIRE(testFromString<double>(0.123456789012, "0.123456789012") );
REQUIRE(testFromString<double>(123456.789, "123456.789") );
REQUIRE(testFromString<double>(1234567.8, "1234567.8") );
REQUIRE(testFromString<double>(-79.39773355813419, "-79.39773355813419") );
REQUIRE(testFromString<double>(0.000001, "0.000001") );
REQUIRE(testFromString<double>(0.0000001, "1e-7") );
REQUIRE(testFromString<double>(1e30, "1e30") );
REQUIRE(testFromString<double>(1.234567890123456e30, "1.234567890123456e30") );
REQUIRE(testFromString<double>(-5e-324, "-5e-324") );
REQUIRE(testFromString<double>(2.225073858507201e-308, "2.225073858507201e-308") );
REQUIRE(testFromString<double>(2.2250738585072014e-308, "2.2250738585072014e-308") );
REQUIRE(testFromString<double>(1.7976931348623157e308, "1.7976931348623157e308") );
REQUIRE(testFromString<double>(0.00000123123123, "0.00000123123123") );
REQUIRE(testFromString<double>(0.000000123123123, "1.23123123e-7") );
REQUIRE(testFromString<double>(123123.123, "123123.123") );
REQUIRE(testFromString<double>(1231231.23, "1231231.23") );
REQUIRE(testFromString<double>(0.000000000123123, "1.23123e-10") );
REQUIRE(testFromString<double>(0.0000000001, "1e-10") );
REQUIRE(testFromString<double>(-270.000000, "-270.0") );
REQUIRE(testFromString<double>(2.2250738585072011e-308, "2.2250738585072011e-308") ); // https://web.archive.org/web/20181112222123/https://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
REQUIRE(testFromString<double>(2.2250738585072009e-308, "2.2250738585072009e-308") ); // Max subnormal double
REQUIRE(testFromString<double>(4.9406564584124654e-324, "4.9406564584124654e-324") ); // Min denormal
REQUIRE(testFromString<double>(1.7976931348623157e+308, "1.7976931348623157e+308") ); // Max double
// warning: magnitude of floating-point constant too small for type 'double'; minimum is 4.9406564584124654E-324
// REQUIRE(testFromString<double>(1e-10000, "0.0") ); // Must underflow
// integer literal is too large to be represented in any integer type
// REQUIRE(testFromString<double>(18446744073709551616, "18446744073709551616.0") ); // 2^64 (max of uint64_t + 1, force to use double)
// REQUIRE(testFromString<double>(-9223372036854775809, "-9223372036854775809.0") ); // -2^63 - 1(min of int64_t + 1, force to use double)
REQUIRE(testFromString<double>(0.9868011474609375, "0.9868011474609375") ); // https://github.com/miloyip/rapidjson/issues/120
REQUIRE(testFromString<double>(123e34, "123e34") );
REQUIRE(testFromString<double>(45913141877270640000.0, "45913141877270640000.0") );
REQUIRE(testFromString<double>(std::numeric_limits<double>::min(), "2.2250738585072014e-308") );
REQUIRE(testFromString<double>(std::numeric_limits<double>::lowest(), "-1.7976931348623158e+308") );
REQUIRE(testFromString<double>(std::numeric_limits<double>::max(), "1.7976931348623158e+308") );
}
static bool testFromString(int32_t _value, const char* _input)