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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/convert/test/strtol_converter.cpp
parentInitial commit. (diff)
downloadceph-upstream.tar.xz
ceph-upstream.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/convert/test/strtol_converter.cpp')
-rw-r--r--src/boost/libs/convert/test/strtol_converter.cpp407
1 files changed, 407 insertions, 0 deletions
diff --git a/src/boost/libs/convert/test/strtol_converter.cpp b/src/boost/libs/convert/test/strtol_converter.cpp
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+++ b/src/boost/libs/convert/test/strtol_converter.cpp
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+// Boost.Convert test and usage example
+// Copyright (c) 2009-2016 Vladimir Batov.
+// Use, modification and distribution are subject to the Boost Software License,
+// Version 1.0. See http://www.boost.org/LICENSE_1_0.txt.
+
+#include "./test.hpp"
+
+#if defined(BOOST_CONVERT_IS_NOT_SUPPORTED)
+int main(int, char const* []) { return 0; }
+#else
+
+#include <boost/convert.hpp>
+#include <boost/convert/printf.hpp>
+#include <boost/convert/stream.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/random/mersenne_twister.hpp>
+#include <boost/random/uniform_int_distribution.hpp>
+#include <boost/random/uniform_01.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/utility/string_view.hpp>
+
+//[strtol_basic_deployment_header
+#include <boost/convert.hpp>
+#include <boost/convert/strtol.hpp>
+
+using std::string;
+using std::wstring;
+using boost::convert;
+
+struct boost::cnv::by_default : boost::cnv::strtol {};
+//]
+
+static
+void
+test_str_to_uint()
+{
+ string const bad_str = "not an int";
+ string const neg_str = "-11";
+ string const std_str = "11";
+ char const* const c_str = "12";
+ boost::string_view v_str = boost::string_view(c_str, 1);
+ unsigned int const imax = (std::numeric_limits<unsigned int>::max)();
+ unsigned long int const lmax = (std::numeric_limits<unsigned long int>::max)();
+ std::string const imax_str = boost::lexical_cast<std::string>(imax);
+ std::string const lmax_str = boost::lexical_cast<std::string>(lmax);
+
+ BOOST_TEST( 0 == convert<unsigned int>(bad_str).value_or(0));
+ BOOST_TEST( 0 == convert<unsigned int>(neg_str).value_or(0));
+ BOOST_TEST( 0 == convert<unsigned long int>(neg_str).value_or(0));
+ BOOST_TEST( 0 == convert<unsigned long int>(neg_str).value_or(0));
+ BOOST_TEST(11 == convert<unsigned int>(std_str).value());
+ BOOST_TEST(12 == convert<unsigned int>( c_str).value());
+ BOOST_TEST( 1 == convert<unsigned int>( v_str).value_or(0));
+ BOOST_TEST(11 == convert<unsigned long int>(std_str).value());
+ BOOST_TEST(12 == convert<unsigned long int>( c_str).value());
+ BOOST_TEST(imax == convert< unsigned int>(imax_str).value());
+ BOOST_TEST(lmax == convert<unsigned long int>(lmax_str).value());
+}
+
+static
+void
+test_str_to_int()
+{
+ //[strtol_basic_deployment
+ string const bad_str = "not an int";
+ string const std_str = "-11";
+ char const* const c_str = "-12";
+ boost::string_view v_str = boost::string_view(c_str, 2);
+
+ BOOST_TEST( -1 == convert<int>(bad_str).value_or(-1));
+ BOOST_TEST(-11 == convert<int>(std_str).value());
+ BOOST_TEST(-12 == convert<int>( c_str).value());
+ BOOST_TEST( -1 == convert<int>( v_str).value_or(0));
+ //]
+ wstring const bad_wstr = L"not an int";
+ wstring const wstd_str = L"-11";
+ wchar_t const* const wc_str = L"-12";
+
+ BOOST_TEST( -1 == convert<int>(bad_wstr).value_or(-1));
+ BOOST_TEST(-11 == convert<int>(wstd_str).value());
+ BOOST_TEST(-12 == convert<int>( wc_str).value());
+}
+
+static
+void
+test_int_to_str()
+{
+ short const s_int = -123;
+ int const i_int = -123;
+ long const l_int = -123;
+ long long const ll_int = -123;
+
+ BOOST_TEST( "-123" == convert< std::string> ( s_int).value());
+ BOOST_TEST( "-123" == convert< std::string> ( i_int).value());
+ BOOST_TEST( "-123" == convert< std::string> ( l_int).value());
+ BOOST_TEST( "-123" == convert< std::string> (ll_int).value());
+
+ BOOST_TEST(L"-123" == convert<std::wstring> ( s_int).value());
+ BOOST_TEST(L"-123" == convert<std::wstring> ( i_int).value());
+ BOOST_TEST(L"-123" == convert<std::wstring> ( l_int).value());
+ BOOST_TEST(L"-123" == convert<std::wstring> (ll_int).value());
+
+ int const imin = (std::numeric_limits<int>::min)();
+ int const imax = (std::numeric_limits<int>::max)();
+ long int const lmin = (std::numeric_limits<long int>::min)();
+ long int const lmax = (std::numeric_limits<long int>::max)();
+ long long int const llmin = (std::numeric_limits<long long int>::min)();
+ long long int const llmax = (std::numeric_limits<long long int>::max)();
+
+ std::string const imin_str = boost::lexical_cast<std::string>(imin);
+ std::string const imax_str = boost::lexical_cast<std::string>(imax);
+ std::string const lmin_str = boost::lexical_cast<std::string>(lmin);
+ std::string const lmax_str = boost::lexical_cast<std::string>(lmax);
+ std::string const llmin_str = boost::lexical_cast<std::string>(llmin);
+ std::string const llmax_str = boost::lexical_cast<std::string>(llmax);
+
+ BOOST_TEST( imin_str == convert<std::string>( imin).value());
+ BOOST_TEST( imax_str == convert<std::string>( imax).value());
+ BOOST_TEST( lmin_str == convert<std::string>( lmin).value());
+ BOOST_TEST( lmax_str == convert<std::string>( lmax).value());
+ BOOST_TEST(llmin_str == convert<std::string>(llmin).value());
+ BOOST_TEST(llmax_str == convert<std::string>(llmax).value());
+}
+
+static
+void
+test_uint_to_str()
+{
+ unsigned short const us_int = 123;
+ unsigned int const ui_int = 123;
+ unsigned long const ul_int = 123;
+ unsigned long long const ull_int = 123;
+
+ BOOST_TEST( "123" == convert< std::string> ( us_int).value());
+ BOOST_TEST( "123" == convert< std::string> ( ui_int).value());
+ BOOST_TEST( "123" == convert< std::string> ( ul_int).value());
+ BOOST_TEST( "123" == convert< std::string> (ull_int).value());
+
+ BOOST_TEST(L"123" == convert<std::wstring> ( us_int).value());
+ BOOST_TEST(L"123" == convert<std::wstring> ( ui_int).value());
+ BOOST_TEST(L"123" == convert<std::wstring> ( ul_int).value());
+ BOOST_TEST(L"123" == convert<std::wstring> (ull_int).value());
+
+ unsigned int const uimax = (std::numeric_limits<unsigned int>::max)();
+ unsigned long int const ulmax = (std::numeric_limits<unsigned long int>::max)();
+ unsigned long long int const ullmax = (std::numeric_limits<unsigned long long int>::max)();
+
+ std::string const uimax_str = boost::lexical_cast<std::string>( uimax);
+ std::string const ulmax_str = boost::lexical_cast<std::string>( ulmax);
+ std::string const ullmax_str = boost::lexical_cast<std::string>(ullmax);
+
+ BOOST_TEST( uimax_str == convert<std::string>( uimax).value());
+ BOOST_TEST( ulmax_str == convert<std::string>( ulmax).value());
+ BOOST_TEST(ullmax_str == convert<std::string>(ullmax).value());
+}
+
+//[strtol_numeric_base_header
+#include <boost/convert.hpp>
+#include <boost/convert/strtol.hpp>
+
+using std::string;
+using std::wstring;
+using boost::convert;
+
+namespace cnv = boost::cnv;
+namespace arg = boost::cnv::parameter;
+//]
+static
+void
+test_width()
+{
+ //[strtol_width
+ boost::cnv::strtol cnv;
+
+ string s01 = convert<string>( 12, cnv(arg::width = 4)).value();
+ string s02 = convert<string>( 12, cnv(arg::width = 5)
+ (arg::fill = '*')).value();
+ string s03 = convert<string>( 12, cnv(arg::width = 5)
+ (arg::fill = 'x')
+ (arg::adjust = cnv::adjust::left)).value();
+ string s04 = convert<string>(-98, cnv(arg::width = 6)
+ (arg::fill = 'Z')
+ (arg::adjust = cnv::adjust::right)).value();
+
+ string s05 = convert<string>(-12.3451, cnv(arg::precision = 2)
+ (arg::width = 10)
+ (arg::fill = '*')
+ (arg::adjust = cnv::adjust::left)).value();
+ string s06 = convert<string>(-12.3450, cnv(arg::adjust = cnv::adjust::right)).value();
+ string s07 = convert<string>(-12.3450, cnv(arg::adjust = cnv::adjust::center)).value();
+
+ BOOST_TEST(s01 == " 12");
+ BOOST_TEST(s02 == "***12");
+ BOOST_TEST(s03 == "12xxx");
+ BOOST_TEST(s04 == "ZZZ-98");
+ BOOST_TEST(s05 == "-12.35****");
+ BOOST_TEST(s06 == "****-12.35");
+ BOOST_TEST(s07 == "**-12.35**");
+ //]
+}
+
+static
+void
+test_base()
+{
+ //[strtol_numeric_base
+ boost::cnv::strtol cnv;
+
+ BOOST_TEST( "11111110" == convert< string>(254, cnv(arg::base = cnv::base::bin)).value());
+ BOOST_TEST( "254" == convert< string>(254, cnv(arg::base = cnv::base::dec)).value());
+ BOOST_TEST( "FE" == convert< string>(254, cnv(arg::base = cnv::base::hex)).value());
+ BOOST_TEST( "376" == convert< string>(254, cnv(arg::base = cnv::base::oct)).value());
+ //]
+ //[wide_strtol_numeric_base
+ BOOST_TEST(L"11111110" == convert<wstring>(254, cnv(arg::base = cnv::base::bin)).value());
+ BOOST_TEST( L"254" == convert<wstring>(254, cnv(arg::base = cnv::base::dec)).value());
+ BOOST_TEST( L"FE" == convert<wstring>(254, cnv(arg::base = cnv::base::hex)).value());
+ BOOST_TEST( L"376" == convert<wstring>(254, cnv(arg::base = cnv::base::oct)).value());
+ //]
+}
+
+static
+void
+test_upper()
+{
+// boost::cnv::strtol cnv;
+// char const* c_lcase = "abcde";
+// char const* c_ucase = "ABCDE";
+// wchar_t const* w_lcase = L"abcde";
+// wchar_t const* w_ucase = L"ABCDE";
+//
+// BOOST_TEST(c_lcase == convert< string>(c_lcase, cnv(arg::uppercase = false)).value_or(""));
+// BOOST_TEST(c_ucase == convert< string>(c_lcase, cnv(arg::uppercase = true)).value_or(""));
+// BOOST_TEST(w_ucase == convert<wstring>(w_lcase, cnv(arg::uppercase = false)).value_or(""));
+// BOOST_TEST(w_ucase == convert<wstring>(w_lcase, cnv(arg::uppercase = true)).value_or(""));
+}
+
+static
+void
+test_skipws()
+{
+ //[strtol_skipws
+ boost::cnv::strtol cnv;
+
+ BOOST_TEST(-1 == convert<int>( " 12", cnv(arg::skipws = false)).value_or(-1));
+ BOOST_TEST(12 == convert<int>( " 12", cnv(arg::skipws = true)).value_or(-1));
+ //]
+ //[wide_strtol_skipws
+ BOOST_TEST(-1 == convert<int>(L" 12", cnv(arg::skipws = false)).value_or(-1));
+ BOOST_TEST(12 == convert<int>(L" 12", cnv(arg::skipws = true)).value_or(-1));
+ //]
+}
+
+static
+void
+dbl_to_str_example()
+{
+ //[strtol_precision
+ boost::cnv::strtol cnv;
+
+ BOOST_TEST( "12.3" == convert<string>(12.3456, cnv(arg::precision = 1)).value());
+ BOOST_TEST( "12.35" == convert<string>(12.3456, cnv(arg::precision = 2)).value());
+ BOOST_TEST("12.346" == convert<string>(12.3456, cnv(arg::precision = 3)).value());
+
+ BOOST_TEST( "-12.3" == convert<string>(-12.3456, cnv(arg::precision = 1)).value());
+ BOOST_TEST( "-12.35" == convert<string>(-12.3456, cnv(arg::precision = 2)).value());
+ BOOST_TEST("-12.346" == convert<string>(-12.3456, cnv(arg::precision = 3)).value());
+ //]
+}
+
+static
+std::pair<double, int>
+get_random()
+{
+ namespace rdm = boost::random;
+
+ static rdm::mt19937 gen (::time(0));
+ static rdm::uniform_int_distribution<> precision (0, 6);
+ static rdm::uniform_int_distribution<> int_part (0, SHRT_MAX);
+ static rdm::uniform_01<double> fraction; // uniform double in [0,1)
+ static bool sign;
+
+ double dbl = (int_part(gen) + fraction(gen)) * ((sign = !sign) ? 1 : -1);
+
+// printf("%.12f\n", dbl);
+
+ return std::make_pair(dbl, precision(gen));
+}
+
+static
+void
+compare(std::pair<double, int const> pair)
+{
+ boost::cnv::strtol cnv1;
+ boost::cnv::printf cnv2;
+
+ string s1 = convert<string>(pair.first, cnv1(arg::precision = pair.second)).value();
+ string s2 = convert<string>(pair.first, cnv2(arg::precision = pair.second)).value();
+
+ if (s1 != s2)
+ printf("dbl=%.12f(%d).strtol/printf=%s/%s.\n", pair.first, pair.second, s1.c_str(), s2.c_str());
+}
+
+static
+void
+test_str_to_dbl()
+{
+ char const* const c_str = "1.23456";
+
+ BOOST_TEST(1.2 == convert<double>(boost::string_view(c_str, 3)).value_or(0));
+ BOOST_TEST(1.23 == convert<double>(boost::string_view(c_str, 4)).value_or(0));
+}
+
+static
+void
+test_dbl_to_str()
+{
+// double round_up_abs01 = ::rint(-0.5);
+// double round_up_abs02 = ::round(-0.5);
+// double round_up_abs11 = ::rint(0.5);
+// double round_up_abs12 = ::round(0.5);
+
+// double huge_v = 987654321098765432109.123;
+//
+// printf("%f\n", huge_v);
+// string huge = convert<string>(huge_v, cnv1(arg::precision = 2)).value();
+// printf("%s\n", huge.c_str());
+
+ int const num_tries = 1000000;
+ double const dbls[] = { 0.90, 1.0, 1.1, 0.94, 0.96, 1.04, 1.05, 1.06, 9.654, 999.888 };
+ int const num_dbls = sizeof(dbls) / sizeof(dbls[0]);
+
+ printf("cnv::strtol::%s: started with %d random numbers...\n", __FUNCTION__, num_tries);
+
+ BOOST_TEST( "0" == convert<string>( 0.0, cnv::strtol()(arg::precision = 0)).value());
+ BOOST_TEST( "0.0" == convert<string>( 0.0, cnv::strtol()(arg::precision = 1)).value());
+ BOOST_TEST("0.00" == convert<string>( 0.0, cnv::strtol()(arg::precision = 2)).value());
+ BOOST_TEST( "1" == convert<string>(0.95, cnv::strtol()(arg::precision = 0)).value());
+ BOOST_TEST( "1.0" == convert<string>(0.95, cnv::strtol()(arg::precision = 1)).value());
+ BOOST_TEST("0.95" == convert<string>(0.95, cnv::strtol()(arg::precision = 2)).value());
+
+ for (int k = 0; k < num_tries; ++k)
+ compare(get_random());
+
+ for (int k = 0; k < num_dbls; ++k)
+ for (int precision = 0; precision < 3; ++precision)
+ {
+ compare(std::make_pair( dbls[k], precision));
+ compare(std::make_pair(-dbls[k], precision));
+ }
+
+ printf("cnv::strtol::%s: finished.\n", __FUNCTION__);
+}
+
+static
+void
+test_user_string()
+{
+ //[strtol_user_string
+ boost::cnv::strtol cnv;
+
+ BOOST_TEST( "12" == convert<my_string>(12, cnv).value());
+ BOOST_TEST("0.95" == convert<my_string>(0.95, cnv(arg::precision = 2)).value());
+ //]
+}
+
+static
+void
+test_user_type()
+{
+ //[strtol_user_type
+ boost::cnv::strtol cnv;
+ change up_chg = change::up;
+ change dn_chg = change::dn;
+
+ BOOST_TEST(convert<std::string>(up_chg, cnv, "bad") == "up");
+ BOOST_TEST(convert<std::string>(dn_chg, cnv, "bad") == "dn");
+ BOOST_TEST(convert<std::string>( 12, cnv, "bad") == "12");
+
+ BOOST_TEST(convert<change>("up", cnv, change::no) == change::up);
+ BOOST_TEST(convert<change>("dn", cnv, change::no) == change::dn);
+ BOOST_TEST(convert< int>("12", cnv, -1) == 12);
+ //]
+}
+
+int
+main(int, char const* [])
+{
+ dbl_to_str_example();
+
+ test_str_to_int();
+ test_str_to_uint();
+ test_int_to_str();
+ test_uint_to_str();
+ test_base();
+ test_upper();
+ test_skipws();
+ test_str_to_dbl();
+ test_dbl_to_str();
+ test_width();
+ test_user_string();
+ test_user_type();
+
+ return boost::report_errors();
+}
+
+#endif