1// Copyright (C) 2013-2015 Free Software Foundation, Inc.
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the terms
5// of the GNU General Public License as published by the Free Software
6// Foundation; either version 3, or (at your option) any later
7// version.
8
9// This library is distributed in the hope that it will be useful, but
10// WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12// General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18#ifndef _GLIBCXX_TESTSUITE_CONTAINER_GEN_H
19#define _GLIBCXX_TESTSUITE_CONTAINER_GEN_H
20
21#include <testsuite_container_traits.h>
22#include <random>
23
24namespace __gnu_test
25{
26  template<typename ContainerType, typename Tester, typename RandomGen>
27    void
28    test_single_container(Tester test, RandomGen& rg, int length, int domain)
29    {
30      std::vector<int> values;
31      auto dist = std::uniform_int_distribution<>(0, domain - 1);
32
33      for(int i = 0; i < length; ++i)
34	values.push_back(dist(rg));
35
36      ContainerType con(values.data(), values.data() + length);
37      test(con, rg);
38    }
39
40  template<typename ContainerType, typename Tester, typename RandomGen>
41    void
42    test_special_containers(Tester test, RandomGen& rg, int length)
43    {
44      std::vector<int> values(length);
45      ContainerType con(values.data(), values.data() + length);
46
47      for(int i = 0; i < length; ++i)
48	values[i] = 0;
49      test(con, rg);
50
51      for(int i = 0; i < length; ++i)
52	values[i] = i;
53      test(con, rg);
54
55      for(int i = 0; i < length; ++i)
56	values[i] = -i;
57      test(con, rg);
58    }
59
60  template<typename ContainerType, typename Tester>
61    void
62    test_containers(Tester test)
63    {
64      std::mt19937_64 random_gen;
65
66#ifdef SIMULATOR_TEST
67      int loops = 10;
68#else
69      int loops = 1000;
70#endif
71
72      for(int i = 0; i < loops; ++i)
73	test_special_containers<ContainerType>(test, random_gen, i);
74
75      for(int i = 1; i < 100; ++i)
76	for(int j = 0; j < loops; ++j)
77	  test_single_container<ContainerType>(test, random_gen, i, i);
78
79      for(int i = 0; i < loops; ++i)
80	{
81	  test_single_container<ContainerType>(test, random_gen, 10, 10);
82	  test_single_container<ContainerType>(test, random_gen, 100, 10);
83	  test_single_container<ContainerType>(test, random_gen, 1000, 10);
84	  test_single_container<ContainerType>(test, random_gen, 10, 1000);
85	}
86
87#ifndef SIMULATOR_TEST
88      for(int i = 0; i < 1000; ++i)
89	{
90	  test_single_container<ContainerType>(test, random_gen, 10000, 10);
91	  test_single_container<ContainerType>(test, random_gen, 10000, 10000);
92	}
93#endif
94    }
95} // namespace __gnu_test
96
97#endif
98