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// ------------------------------------------------------------------------------
// format_test_exceptions.cpp : exception handling
// ------------------------------------------------------------------------------
// Copyright 2017 James E. King, III - Use, modification, and distribution are
// subject to 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)
// see http://www.boost.org/libs/format for library home page
// ------------------------------------------------------------------------------
#include <boost/algorithm/string.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/format.hpp>
#include <iomanip>
#include <iostream>
#define CHECK_INVALID_0(FMT, EX) { BOOST_TEST_THROWS((boost::format(FMT)).str(), EX); \
boost::format safe; safe.exceptions(boost::io::no_error_bits); safe.parse(FMT); (safe).str(); }
#define CHECK_INVALID_1(FMT, _1, EX) { BOOST_TEST_THROWS((boost::format(FMT) % _1).str(), EX); \
boost::format safe; safe.exceptions(boost::io::no_error_bits); safe.parse(FMT); (safe % _1).str(); }
#define CHECK_INVALID_2(FMT, _1, _2, EX) { BOOST_TEST_THROWS((boost::format(FMT) % _1 % _2).str(), EX); \
boost::format safe; safe.exceptions(boost::io::no_error_bits); safe.parse(FMT); (safe % _1 % _2).str(); }
int main(int, char* [])
{
using namespace boost::io;
// https://svn.boost.org/trac10/ticket/8735
CHECK_INVALID_0("%", bad_format_string); // no conversion specifier
CHECK_INVALID_0("%|", bad_format_string); // truncated
CHECK_INVALID_0("%|%", bad_format_string); // mismatched bars
CHECK_INVALID_0("%|2%", bad_format_string); // mismatched bars
CHECK_INVALID_0("%'", bad_format_string); // flag ' is ignored, no conversion specifier
CHECK_INVALID_0("%2", bad_format_string); // no terminating percent
CHECK_INVALID_0("%*", bad_format_string); // truncated
CHECK_INVALID_1("%$2", 1, bad_format_string); // no conversion specifier
CHECK_INVALID_1("%$2.*", 1, bad_format_string); // no conversion specifier
CHECK_INVALID_0("%0%", bad_format_string); // positional arguments start at 1
CHECK_INVALID_2("%1%", 1, 2, too_many_args);
CHECK_INVALID_1("%1% %2%", 1, too_few_args);
CHECK_INVALID_0("%I", bad_format_string);
CHECK_INVALID_0("%I2", bad_format_string);
CHECK_INVALID_0("%I2d", bad_format_string);
CHECK_INVALID_0("%I3", bad_format_string);
CHECK_INVALID_0("%I3d", bad_format_string);
CHECK_INVALID_0("%I32", bad_format_string);
CHECK_INVALID_0("%I33", bad_format_string);
CHECK_INVALID_0("%I6", bad_format_string);
CHECK_INVALID_0("%I62", bad_format_string);
CHECK_INVALID_0("%I63", bad_format_string);
CHECK_INVALID_0("%I63d", bad_format_string);
CHECK_INVALID_0("%I64", bad_format_string);
CHECK_INVALID_0("%I128d", bad_format_string);
CHECK_INVALID_0("%3.*4d", bad_format_string);
// mixing positional and non-positional
CHECK_INVALID_2("%1% %2d", 1, 2, bad_format_string);
CHECK_INVALID_2("%2d %2%", 1, 2, bad_format_string);
// found while improving coverage - a number following the * for width
// or precision was being eaten instead of being treated as an error
CHECK_INVALID_0("%1$*4d", bad_format_string);
CHECK_INVALID_0("%1$05.*32d", bad_format_string);
CHECK_INVALID_0("%1$05.*6", bad_format_string);
// found while improving coverage, this caused an unhandled exception
// the "T" conversion specifier didn't handle the exception flags properly
CHECK_INVALID_0("%1$T", bad_format_string); // missing fill character
// test what() on exceptions
format_error base_err;
BOOST_TEST_GT(strlen(base_err.what()), 0u);
bad_format_string bfs(2, 3);
BOOST_TEST(boost::contains(bfs.what(), "bad_format_string"));
too_few_args tfa(5, 4);
BOOST_TEST(boost::contains(tfa.what(), "format-string"));
too_many_args tma(4, 5);
BOOST_TEST(boost::contains(tma.what(), "format-string"));
boost::io::out_of_range oor(1, 2, 3);
BOOST_TEST(boost::contains(oor.what(), "out_of_range"));
// bind and unbind
boost::format two("%1%, %2%");
two.bind_arg(1, 1);
two.bind_arg(2, 2);
BOOST_TEST_EQ(two.str(), "1, 2");
two.clear_bind(1);
BOOST_TEST_THROWS(two.str(), too_few_args);
BOOST_TEST_THROWS(two.clear_bind(1), boost::io::out_of_range);
two.exceptions(no_error_bits);
two.clear_bind(1);
two.str();
return boost::report_errors();
}
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