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Diffstat (limited to 'libstdc++-v3/testsuite/20_util/duration/cons/1.cc')
-rw-r--r-- | libstdc++-v3/testsuite/20_util/duration/cons/1.cc | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/duration/cons/1.cc b/libstdc++-v3/testsuite/20_util/duration/cons/1.cc new file mode 100644 index 000000000..2cd22a4a7 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/duration/cons/1.cc @@ -0,0 +1,134 @@ +// { dg-options "-std=gnu++0x" } +// { dg-require-cstdint "" } + +// Copyright (C) 2008, 2009 Free Software Foundation +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +// 20.8.3 Class template duration [time.duration] + +#include <chrono> +#include <type_traits> +#include <testsuite_hooks.h> + +template<typename T> +struct type_emulator +{ + type_emulator() + : i(T(0)) { } + + type_emulator(T j) + : i(j) { } + + type_emulator(const type_emulator& e) + : i(e.i) { } + + type_emulator& + operator*=(type_emulator a) + { + i *= a.i; + return *this; + } + + type_emulator& + operator+=(type_emulator a) + { + i += a.i; + return *this; + } + + operator T () + { return i; } + + T i; +}; + +template<typename T> +bool +operator==(type_emulator<T> a, type_emulator<T> b) +{ return a.i == b.i; } + +template<typename T> +bool +operator<(type_emulator<T> a, type_emulator<T> b) +{ return a.i < b.i; } + +template<typename T> +type_emulator<T> +operator+(type_emulator<T> a, type_emulator<T> b) +{ return a += b; } + +template<typename T> +type_emulator<T> +operator*(type_emulator<T> a, type_emulator<T> b) +{ return a *= b; } + +namespace std +{ + template<typename T, typename U> + struct common_type<type_emulator<T>, U> + { typedef typename common_type<T,U>::type type; }; + + template<typename T, typename U> + struct common_type<U, type_emulator<T>> + { typedef typename common_type<U,T>::type type; }; + + template<typename T, typename U> + struct common_type<type_emulator<T>, type_emulator<U>> + { typedef typename common_type<T,U>::type type; }; + + namespace chrono + { + template<typename T> + struct treat_as_floating_point<type_emulator<T>> + : is_floating_point<T> + { }; + } +} + +typedef type_emulator<int> int_emulator; +typedef type_emulator<double> dbl_emulator; + +// 20.8.3.1 duration constructors [time.duration.cons] +void +test01() +{ + bool test __attribute__((unused)) = true; + using std::chrono::duration; + + int r = 3; + duration<int> d1(r); + VERIFY(d1.count() == static_cast<duration<int>::rep>(r)); + + double s = 8.0; + duration<double> d2(s); + VERIFY(d2.count() == static_cast<duration<double>::rep>(s)); + + int_emulator ie(3); + duration<int_emulator> d3(ie); + VERIFY(d3.count() == static_cast<duration<int_emulator>::rep>(ie)); + + dbl_emulator de(4.0); + duration<dbl_emulator> d4(de); + VERIFY(d4.count() == static_cast<duration<dbl_emulator>::rep>(de)); +} + +int +main() +{ + test01(); + return 0; +} |