diff options
Diffstat (limited to 'libstdc++-v3/testsuite/25_algorithms/binary_search')
5 files changed, 234 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/25_algorithms/binary_search/1.cc b/libstdc++-v3/testsuite/25_algorithms/binary_search/1.cc new file mode 100644 index 000000000..2a5eb63c1 --- /dev/null +++ b/libstdc++-v3/testsuite/25_algorithms/binary_search/1.cc @@ -0,0 +1,53 @@ +// Copyright (C) 2005, 2009 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/>. + +// 25.3.3.4 [lib.binary.search] + +#include <algorithm> +#include <testsuite_hooks.h> +#include <testsuite_iterators.h> + +using __gnu_test::test_container; +using __gnu_test::forward_iterator_wrapper; +using std::binary_search; + +typedef test_container<int, forward_iterator_wrapper> Container; + +void +test1() +{ + int array[] = {0}; + Container con(array, array); + VERIFY(!binary_search(con.begin(), con.end(), 1)); +} + +void +test2() +{ + int array[] = {0, 2, 4, 6, 8}; + Container con(array, array + 5); + for(int i = 0; i < 10; i += 2) + VERIFY(binary_search(con.begin(), con.end(), i)); + for(int i = -1; i < 11; i += 2) + VERIFY(!binary_search(con.begin(), con.end(), i)); +} + +int main() +{ + test1(); + test2(); +} diff --git a/libstdc++-v3/testsuite/25_algorithms/binary_search/2.cc b/libstdc++-v3/testsuite/25_algorithms/binary_search/2.cc new file mode 100644 index 000000000..19d227215 --- /dev/null +++ b/libstdc++-v3/testsuite/25_algorithms/binary_search/2.cc @@ -0,0 +1,63 @@ +// Copyright (C) 2001, 2007, 2009 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/>. + +// 25.3.3 [lib.alg.binary.search] Binary search algorithms. + +#include <algorithm> +#include <testsuite_hooks.h> + +bool test __attribute__((unused)) = true; + +const int A[] = {1, 2, 3, 3, 3, 5, 8}; +const int C[] = {8, 5, 3, 3, 3, 2, 1}; +const int N = sizeof(A) / sizeof(int); + +// A comparison, equalivalent to std::greater<int> without the +// dependency on <functional>. +struct gt +{ + bool + operator()(const int& x, const int& y) const + { return x > y; } +}; + +// 25.3.3.4 binary_search, with and without comparison predicate +void +test04() +{ + using std::binary_search; + + const int first = A[0]; + const int last = A[N - 1]; + + VERIFY(binary_search(A, A + N, 5)); + VERIFY(binary_search(A, A + N, first)); + VERIFY(binary_search(A, A + N, last)); + VERIFY(!binary_search(A, A + N, 4)); + + VERIFY(binary_search(C, C + N, 5, gt())); + VERIFY(binary_search(C, C + N, first, gt())); + VERIFY(binary_search(C, C + N, last, gt())); + VERIFY(!binary_search(C, C + N, 4, gt())); +} + +int +main() +{ + test04(); + return 0; +} diff --git a/libstdc++-v3/testsuite/25_algorithms/binary_search/check_type.cc b/libstdc++-v3/testsuite/25_algorithms/binary_search/check_type.cc new file mode 100644 index 000000000..90ed04672 --- /dev/null +++ b/libstdc++-v3/testsuite/25_algorithms/binary_search/check_type.cc @@ -0,0 +1,41 @@ +// Copyright (C) 2005, 2009 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/>. + +// 25.3.3.4 [lib.binary.search] + +// { dg-do compile } + +#include <algorithm> +#include <testsuite_iterators.h> + +using __gnu_test::forward_iterator_wrapper; + +struct S { }; + +bool operator<(const S&, const S&) {return true;} + +struct X { }; + +bool predicate(const X&, const X&) {return true;} + +bool +test1(forward_iterator_wrapper<S>& s) +{ return std::binary_search(s, s, *s); } + +bool +test2(forward_iterator_wrapper<X>& x) +{ return std::binary_search(x, x, *x, predicate); } diff --git a/libstdc++-v3/testsuite/25_algorithms/binary_search/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/25_algorithms/binary_search/requirements/explicit_instantiation/2.cc new file mode 100644 index 000000000..07519f234 --- /dev/null +++ b/libstdc++-v3/testsuite/25_algorithms/binary_search/requirements/explicit_instantiation/2.cc @@ -0,0 +1,39 @@ +// { dg-do compile } + +// 2007-09-20 Benjamin Kosnik <bkoz@redhat.com> + +// Copyright (C) 2007, 2009 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/>. + + +#include <algorithm> +#include <functional> +#include <testsuite_api.h> + +namespace std +{ + using __gnu_test::NonDefaultConstructible; + + typedef NonDefaultConstructible value_type; + typedef value_type* iterator_type; + typedef std::less<value_type> compare_type; + + template bool binary_search(iterator_type, iterator_type, const value_type&); + + template bool binary_search(iterator_type, iterator_type, + const value_type&, compare_type); +} diff --git a/libstdc++-v3/testsuite/25_algorithms/binary_search/requirements/explicit_instantiation/pod.cc b/libstdc++-v3/testsuite/25_algorithms/binary_search/requirements/explicit_instantiation/pod.cc new file mode 100644 index 000000000..08552cb02 --- /dev/null +++ b/libstdc++-v3/testsuite/25_algorithms/binary_search/requirements/explicit_instantiation/pod.cc @@ -0,0 +1,38 @@ +// { dg-do compile } + +// 2007-09-20 Benjamin Kosnik <bkoz@redhat.com> + +// Copyright (C) 2007, 2009 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/>. + + +#include <algorithm> +#include <testsuite_character.h> + +namespace std +{ + using __gnu_test::pod_int; + + typedef pod_int value_type; + typedef value_type* iterator_type; + typedef std::less<value_type> compare_type; + + template bool binary_search(iterator_type, iterator_type, const value_type&); + + template bool binary_search(iterator_type, iterator_type, + const value_type&, compare_type); +} |