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0f901c7ec4
This replaces every occurrence of _LIBCPP_STD_VER in the tests with TEST_STD_VER. Additionally, for every affected file, #include "test_macros.h" is being added explicitly if it wasn't already there. https://reviews.llvm.org/D26294 llvm-svn: 286007
69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <tuple>
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// template <class... Types> class tuple;
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// template <size_t I, class... Types>
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// typename tuple_element<I, tuple<Types...> >::type const&
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// get(const tuple<Types...>& t);
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// UNSUPPORTED: c++98, c++03
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#include <tuple>
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#include <string>
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#include <cassert>
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#include "test_macros.h"
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struct Empty {};
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int main()
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{
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{
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typedef std::tuple<int> T;
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const T t(3);
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assert(std::get<0>(t) == 3);
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}
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{
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typedef std::tuple<std::string, int> T;
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const T t("high", 5);
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assert(std::get<0>(t) == "high");
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assert(std::get<1>(t) == 5);
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}
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#if TEST_STD_VER > 11
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{
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typedef std::tuple<double, int> T;
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constexpr T t(2.718, 5);
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static_assert(std::get<0>(t) == 2.718, "");
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static_assert(std::get<1>(t) == 5, "");
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}
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{
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typedef std::tuple<Empty> T;
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constexpr T t{Empty()};
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constexpr Empty e = std::get<0>(t);
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((void)e); // Prevent unused warning
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}
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#endif
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{
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typedef std::tuple<double&, std::string, int> T;
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double d = 1.5;
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const T t(d, "high", 5);
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assert(std::get<0>(t) == 1.5);
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assert(std::get<1>(t) == "high");
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assert(std::get<2>(t) == 5);
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std::get<0>(t) = 2.5;
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assert(std::get<0>(t) == 2.5);
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assert(std::get<1>(t) == "high");
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assert(std::get<2>(t) == 5);
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assert(d == 2.5);
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}
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}
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