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test_lex_floating.cpp
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#include <toml/lexer.hpp>
#include "unit_test.hpp"
#include "test_lex_aux.hpp"
#include <limits>
using namespace toml;
using namespace detail;
BOOST_AUTO_TEST_CASE(test_fractional_valid)
{
TOML11_TEST_LEX_ACCEPT(lex_float, "1.0", "1.0" );
TOML11_TEST_LEX_ACCEPT(lex_float, "0.1", "0.1" );
TOML11_TEST_LEX_ACCEPT(lex_float, "0.001", "0.001" );
TOML11_TEST_LEX_ACCEPT(lex_float, "0.100", "0.100" );
TOML11_TEST_LEX_ACCEPT(lex_float, "+3.14", "+3.14" );
TOML11_TEST_LEX_ACCEPT(lex_float, "-3.14", "-3.14" );
TOML11_TEST_LEX_ACCEPT(lex_float, "3.1415_9265_3589", "3.1415_9265_3589" );
TOML11_TEST_LEX_ACCEPT(lex_float, "+3.1415_9265_3589", "+3.1415_9265_3589");
TOML11_TEST_LEX_ACCEPT(lex_float, "-3.1415_9265_3589", "-3.1415_9265_3589");
TOML11_TEST_LEX_ACCEPT(lex_float, "123_456.789", "123_456.789" );
TOML11_TEST_LEX_ACCEPT(lex_float, "+123_456.789", "+123_456.789" );
TOML11_TEST_LEX_ACCEPT(lex_float, "-123_456.789", "-123_456.789" );
}
BOOST_AUTO_TEST_CASE(test_fractional_invalid)
{
TOML11_TEST_LEX_REJECT(lex_float, "0.");
TOML11_TEST_LEX_REJECT(lex_float, ".0");
TOML11_TEST_LEX_REJECT(lex_float, "01.0");
TOML11_TEST_LEX_REJECT(lex_float, "3,14");
TOML11_TEST_LEX_REJECT(lex_float, "+-1.0");
TOML11_TEST_LEX_REJECT(lex_float, "1._0");
}
BOOST_AUTO_TEST_CASE(test_exponential_valid)
{
TOML11_TEST_LEX_ACCEPT(lex_float, "1e10", "1e10");
TOML11_TEST_LEX_ACCEPT(lex_float, "1e+10", "1e+10");
TOML11_TEST_LEX_ACCEPT(lex_float, "1e-10", "1e-10");
TOML11_TEST_LEX_ACCEPT(lex_float, "+1e10", "+1e10");
TOML11_TEST_LEX_ACCEPT(lex_float, "+1e+10", "+1e+10");
TOML11_TEST_LEX_ACCEPT(lex_float, "+1e-10", "+1e-10");
TOML11_TEST_LEX_ACCEPT(lex_float, "-1e10", "-1e10");
TOML11_TEST_LEX_ACCEPT(lex_float, "-1e+10", "-1e+10");
TOML11_TEST_LEX_ACCEPT(lex_float, "-1e-10", "-1e-10");
TOML11_TEST_LEX_ACCEPT(lex_float, "123e-10", "123e-10");
TOML11_TEST_LEX_ACCEPT(lex_float, "1E10", "1E10");
TOML11_TEST_LEX_ACCEPT(lex_float, "1E+10", "1E+10");
TOML11_TEST_LEX_ACCEPT(lex_float, "1E-10", "1E-10");
TOML11_TEST_LEX_ACCEPT(lex_float, "123E-10", "123E-10");
TOML11_TEST_LEX_ACCEPT(lex_float, "1_2_3E-10", "1_2_3E-10");
TOML11_TEST_LEX_ACCEPT(lex_float, "1_2_3E-1_0", "1_2_3E-1_0");
#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES
BOOST_TEST_MESSAGE("testing an unreleased toml feature: leading zeroes in float exponent part");
// toml-lang/toml master permits leading 0s in exp part (unreleased)
TOML11_TEST_LEX_ACCEPT(lex_float, "1_2_3E-01", "1_2_3E-01");
TOML11_TEST_LEX_ACCEPT(lex_float, "1_2_3E-0_1", "1_2_3E-0_1");
#endif
}
BOOST_AUTO_TEST_CASE(test_exponential_invalid)
{
// accept partially
TOML11_TEST_LEX_ACCEPT(lex_float, "1e1E0", "1e1");
TOML11_TEST_LEX_ACCEPT(lex_float, "1E1e0", "1E1");
}
BOOST_AUTO_TEST_CASE(test_both_valid)
{
TOML11_TEST_LEX_ACCEPT(lex_float, "6.02e23", "6.02e23");
TOML11_TEST_LEX_ACCEPT(lex_float, "6.02e+23", "6.02e+23");
TOML11_TEST_LEX_ACCEPT(lex_float, "1.112_650_06e-17", "1.112_650_06e-17");
#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES
BOOST_TEST_MESSAGE("testing an unreleased toml feature: leading zeroes in float exponent part");
// toml-lang/toml master permits leading 0s in exp part (unreleased)
TOML11_TEST_LEX_ACCEPT(lex_float, "1.0e-07", "1.0e-07");
#endif
}
BOOST_AUTO_TEST_CASE(test_both_invalid)
{
TOML11_TEST_LEX_REJECT(lex_float, "01e1.0");
// accept partially
TOML11_TEST_LEX_ACCEPT(lex_float, "1e1.0", "1e1");
#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES
BOOST_TEST_MESSAGE("testing an unreleased toml feature: leading zeroes in float exponent part");
// toml-lang/toml master permits leading 0s in exp part (unreleased)
TOML11_TEST_LEX_ACCEPT(lex_float, "1.0e_01", "1.0");
TOML11_TEST_LEX_ACCEPT(lex_float, "1.0e0__1", "1.0e0");
#endif
}
BOOST_AUTO_TEST_CASE(test_special_floating_point)
{
TOML11_TEST_LEX_ACCEPT(lex_float, "inf", "inf");
TOML11_TEST_LEX_ACCEPT(lex_float, "+inf", "+inf");
TOML11_TEST_LEX_ACCEPT(lex_float, "-inf", "-inf");
TOML11_TEST_LEX_ACCEPT(lex_float, "nan", "nan");
TOML11_TEST_LEX_ACCEPT(lex_float, "+nan", "+nan");
TOML11_TEST_LEX_ACCEPT(lex_float, "-nan", "-nan");
}