Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/25_algorithms/remove_copy/constrained.cc @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// Copyright (C) 2020 Free Software Foundation, Inc. // // 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/>. // { dg-options "-std=gnu++2a" } // { dg-do run { target c++2a } } #include <algorithm> #include <testsuite_hooks.h> #include <testsuite_iterators.h> using __gnu_test::test_container; using __gnu_test::test_range; using __gnu_test::input_iterator_wrapper; using __gnu_test::output_iterator_wrapper; using __gnu_test::forward_iterator_wrapper; namespace ranges = std::ranges; struct X { int i; friend constexpr bool operator==(const X& a, const X& b) { return a.i == b.i; } }; void test01() { { const X x[6] = { {2}, {2}, {6}, {8}, {10}, {11} }; X y[4]; X z[4] = { {2}, {2}, {6}, {10} }; auto [in,out] = ranges::remove_copy(x, x+5, y, 8, &X::i); VERIFY( in == x+5 && out == y+4 ); VERIFY( ranges::equal(y, z) ); } { const X x[6] = { {2}, {2}, {6}, {8}, {10}, {11} }; X y[5]; X z[5] = { {2}, {2}, {6}, {8}, {10} }; auto [in,out] = ranges::remove_copy(x, x+5, y, 11, &X::i); VERIFY( in == x+5 && out == y+5 ); VERIFY( ranges::equal(x, x+5, y, y+5) && ranges::equal(y, z) ); } { X x[6] = { {2}, {2}, {6}, {8}, {10}, {2} }; X y[3]; X z[3] = { {6}, {8}, {10} }; test_container<X, forward_iterator_wrapper> cx(x), cy(y), cz(z); auto [in, out] = ranges::remove_copy(cx, cy.begin(), 2, &X::i); VERIFY( in == cx.end() && out == cy.end() ); VERIFY( ranges::equal(cy, cz) ); } { X x[6] = { {2}, {2}, {6}, {8}, {10}, {11} }; X y[4]; const X z[4] = { {6}, {8}, {10}, {11} }; test_range<X, input_iterator_wrapper> cx(x); test_range<X, output_iterator_wrapper> cy(y); auto [in, out] = ranges::remove_copy(cx, cy.begin(), 2, &X::i); VERIFY( in == cx.end() && out == cy.end() ); VERIFY( ranges::equal(y, z) ); } } struct Y { int i; int j; }; constexpr bool test02() { bool ok = true; Y x[3] = { {3,2}, {2,4}, {3,6} }; Y y[1]; Y z[1] = { {2,4} }; auto [in, out] = ranges::remove_copy(x, y, 3, &Y::i); ok &= in == x+3; ok &= out == y+1; ok &= ranges::equal(y, z, {}, &Y::i, &Y::i); ok &= ranges::equal(y, z, {}, &Y::j, &Y::j); return ok; } int main() { test01(); static_assert(test02()); }