| // Unit test for boost::lexical_cast. |
| // |
| // See http://www.boost.org for most recent version, including documentation. |
| // |
| // Copyright Antony Polukhin, 2014-2019. |
| // |
| // Distributed under the Boost |
| // Software License, Version 1.0. (See accompanying file |
| // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt). |
| |
| #include <boost/config.hpp> |
| |
| #include <boost/lexical_cast/try_lexical_convert.hpp> |
| #include <boost/test/unit_test.hpp> |
| |
| using namespace boost::conversion; |
| |
| void try_uncommon_cases() |
| { |
| std::string sres; |
| const bool res1 = try_lexical_convert(std::string("Test string"), sres); |
| BOOST_CHECK(res1); |
| BOOST_CHECK_EQUAL(sres, "Test string"); |
| |
| volatile int vires; |
| const bool res2 = try_lexical_convert(100, vires); |
| BOOST_CHECK(res2); |
| BOOST_CHECK_EQUAL(vires, 100); |
| |
| const bool res3 = try_lexical_convert("Test string", sres); |
| BOOST_CHECK(res3); |
| BOOST_CHECK_EQUAL(sres, "Test string"); |
| |
| const bool res4 = try_lexical_convert("Test string", sizeof("Test string") - 1, sres); |
| BOOST_CHECK(res4); |
| BOOST_CHECK_EQUAL(sres, "Test string"); |
| |
| int ires; |
| BOOST_CHECK(!try_lexical_convert("Test string", ires)); |
| BOOST_CHECK(!try_lexical_convert(1.1, ires)); |
| BOOST_CHECK(!try_lexical_convert(-1.9, ires)); |
| BOOST_CHECK(!try_lexical_convert("1.1", ires)); |
| BOOST_CHECK(!try_lexical_convert("1000000000000000000000000000000000000000", ires)); |
| } |
| |
| |
| void try_common_cases() |
| { |
| int ires = 0; |
| const bool res1 = try_lexical_convert(std::string("100"), ires); |
| BOOST_CHECK(res1); |
| BOOST_CHECK_EQUAL(ires, 100); |
| |
| ires = 0; |
| const bool res2 = try_lexical_convert("-100", ires); |
| BOOST_CHECK(res2); |
| BOOST_CHECK_EQUAL(ires, -100); |
| |
| float fres = 1.0f; |
| const bool res3 = try_lexical_convert("0.0", fres); |
| BOOST_CHECK(res3); |
| BOOST_CHECK_EQUAL(fres, 0.0f); |
| |
| fres = 1.0f; |
| const bool res4 = try_lexical_convert("0.0", sizeof("0.0") - 1, fres); |
| BOOST_CHECK(res4); |
| BOOST_CHECK_EQUAL(fres, 0.0f); |
| } |
| |
| boost::unit_test::test_suite *init_unit_test_suite(int, char *[]) |
| { |
| boost::unit_test::test_suite *suite = |
| BOOST_TEST_SUITE("Tests for try_lexical_convert"); |
| suite->add(BOOST_TEST_CASE(&try_uncommon_cases)); |
| suite->add(BOOST_TEST_CASE(&try_common_cases)); |
| |
| return suite; |
| } |