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