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148 lines
3.1 KiB
C++
148 lines
3.1 KiB
C++
// { dg-require-profile-mode "" }
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// -*- C++ -*-
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// Unit tests for profile/impl/profile_algos.h.
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// Copyright (C) 2010-2016 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <vector>
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#include <profile/impl/profiler.h>
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using std::_GLIBCXX_STD_C::vector;
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enum Failure
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{
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NO_FAILURES = 0x0,
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INSERT_AFTER_N = 0x1,
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INSERT_AT_HEAD = 0x2,
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INSERT_AT_TAIL = 0x4,
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INSERT_IN_THE_MIDDLE = 0x8,
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TOP_N = 0x10,
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FOR_EACH = 0x20,
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REMOVE = 0x40
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};
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static int
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test_insert_top_n()
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{
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vector<int> v;
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for (int i = 0; i < 10; i++)
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v.push_back(10 - i);
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// Inserting -5 should have no effect if size is limited to 10.
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__gnu_profile::__insert_top_n(v, -5, 10);
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for (int i = 0; i < 10; i++)
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if (v[i] != 10 - i)
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return INSERT_AFTER_N;
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// Insert at head.
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__gnu_profile::__insert_top_n(v, 11, 10);
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for (int i = 0; i < 11; i++)
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if (v[i] != 11 - i)
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return INSERT_AT_HEAD;
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// Insert at end.
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__gnu_profile::__insert_top_n(v, 0, 100);
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for (int i = 0; i < 12; i++)
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if (v[i] != 11 - i)
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return INSERT_AT_TAIL;
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// Insert in the middle.
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__gnu_profile::__insert_top_n(v, 6, 11);
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for (int i = 0; i < 6; i++)
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if (v[i] != 11 - i)
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return INSERT_IN_THE_MIDDLE;
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for (int i = 6; i < 13; i++)
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if (v[i] != 12 - i)
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return INSERT_IN_THE_MIDDLE;
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return NO_FAILURES;
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}
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static int
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test_top_n()
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{
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vector<int> v, out;
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for (int i = 0; i < 100; i++)
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{
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v.push_back(100 + i);
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v.push_back(100 - i);
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}
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__gnu_profile::__top_n(v, out, 10);
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for (int i = 0; i < 10; i++)
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if (out[i] != 199 - i)
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return TOP_N;
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return NO_FAILURES;
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}
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struct test_for_each_helper
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{
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static int sum;
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void operator ()(int i) {
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sum += i;
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}
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};
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int test_for_each_helper::sum = 0;
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static int
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test_for_each()
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{
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vector<int> v;
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test_for_each_helper helper;
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int checksum = 0;
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for (int i = 0; i < 10; i++)
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{
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v.push_back(i);
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checksum += i;
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}
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__gnu_profile::__for_each(v.begin(), v.end(), helper);
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return helper.sum == checksum ? NO_FAILURES : FOR_EACH;
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}
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static int
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test_remove()
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{
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vector<char> v;
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for (int i = 0; i < 10; i++)
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v.push_back(' ');
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v.push_back('x');
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for (int i = 0; i < 10; i++)
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v.push_back(' ');
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v.push_back('x');
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return __gnu_profile::__remove(v.begin(), v.end(), ' ') == v.begin() + 2
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? NO_FAILURES : REMOVE;
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}
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int main()
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{
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return test_insert_top_n() | test_top_n() | test_for_each() | test_remove();
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}
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