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// 1999-06-29 bkoz // Copyright (C) 1999-2001, 2002, 2003, 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/>. // 23.2.4.1 vector constructors, copy, and assignment #include <vector> #include <string> #include <testsuite_allocator.h> #include <testsuite_hooks.h> using __gnu_test::copy_tracker; using __gnu_test::tracker_allocator_counter; using __gnu_test::tracker_allocator; using __gnu_test::copy_constructor; using __gnu_test::assignment_operator; // @fn test_default_ctor_exception_gurantee This test verifies that if // one of the vector's contained objects throws an exception from its // constructor while the vector is being constructed and filled with // default values, all memory is returned to the allocator whence it // came. void test_default_ctor_exception_gurantee() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; copy_tracker::reset(); copy_constructor::throw_on(3); tracker_allocator_counter::reset(); // run test try { X a(7); VERIFY(false); } catch (...) { } // assert postconditions VERIFY( tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count() ); // teardown } // @fn test_copy_ctor_exception_gurantee This test verifies that if // one of the vector's contained objects throws an exception from its // constructor while the vector is being copy constructed, all memory // is returned to the allocator whence it came. void test_copy_ctor_exception_gurantee() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; tracker_allocator_counter::reset(); { X a(7); copy_tracker::reset(); copy_constructor::throw_on(3); // run test try { X u(a); VERIFY(false); } catch (...) { } } // assert postconditions VERIFY(tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count()); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } // operator=() // // case 1: lhs.size() > rhs.size() // case 2: lhs.size() < rhs.size() < lhs.capacity() // case 3: lhs.capacity() < rhs.size() // void test_assignment_operator_1() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; X r(9); X a(r.size() - 2); copy_tracker::reset(); tracker_allocator_counter::reset(); // preconditions VERIFY(r.size() > a.size()); // run test r = a; // assert postconditions VERIFY(r == a); VERIFY(tracker_allocator_counter::get_allocation_count() == 0); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_assignment_operator_2() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; X r(1); r.reserve(17); X a(r.size() + 7); copy_tracker::reset(); tracker_allocator_counter::reset(); // preconditions VERIFY(r.size() < a.size()); VERIFY(a.size() < r.capacity()); // run test r = a; // assert postconditions VERIFY(r == a); VERIFY(tracker_allocator_counter::get_allocation_count() == 0); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_assignment_operator_3() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; tracker_allocator_counter::reset(); { X r(1); X a(r.capacity() + 7); copy_tracker::reset(); // preconditions VERIFY(r.capacity() < a.size()); // run test r = a; // assert postconditions VERIFY(r == a); } VERIFY(tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count()); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_assignment_operator_3_exception_guarantee() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; tracker_allocator_counter::reset(); { X r(1); X a(r.capacity() + 7); copy_tracker::reset(); copy_constructor::throw_on(3); // preconditions VERIFY(r.capacity() < a.size()); // run test try { r = a; VERIFY(false); } catch (...) { } } // assert postconditions VERIFY(tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count()); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } // fill assign() // // case 1: [23.2.4.1 (3)] n <= size() // case 2: [23.2.4.1 (3)] size() < n <= capacity() // case 3: [23.2.4.1 (3)] n > capacity() // case 4: [23.2.4.1 (3)] n > capacity(), exception guarantees // case 5: [23.1.1 (9)] fill assign disguised as a range assign // void test_fill_assign_1() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; X a(7); X::size_type old_size = a.size(); X::size_type new_size = old_size - 2; const T t; copy_tracker::reset(); tracker_allocator_counter::reset(); // run test a.assign(new_size, t); // assert postconditions VERIFY(a.size() == new_size); VERIFY(tracker_allocator_counter::get_allocation_count() == 0); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_fill_assign_2() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; X a(7); a.reserve(11); X::size_type old_size = a.size(); X::size_type old_capacity = a.capacity(); X::size_type new_size = old_size + 2; const T t; copy_tracker::reset(); tracker_allocator_counter::reset(); // assert preconditions VERIFY(old_size < new_size); VERIFY(new_size <= old_capacity); // run test a.assign(new_size, t); // assert postconditions VERIFY(a.size() == new_size); VERIFY(tracker_allocator_counter::get_allocation_count() == 0); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_fill_assign_3() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; tracker_allocator_counter::reset(); { X a(7); X::size_type old_capacity = a.capacity(); X::size_type new_size = old_capacity + 4; const T t; copy_tracker::reset(); // assert preconditions VERIFY(new_size > old_capacity); // run test a.assign(new_size, t); // assert postconditions VERIFY(a.size() == new_size); } VERIFY(tracker_allocator_counter::get_allocation_count() > 0); VERIFY(tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count()); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_fill_assign_3_exception_guarantee() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; tracker_allocator_counter::reset(); { X a(7); X::size_type old_size = a.size(); X::size_type old_capacity = a.capacity(); X::size_type new_size = old_capacity + 4; const T t; copy_tracker::reset(); copy_constructor::throw_on(3); // assert preconditions VERIFY(new_size > old_capacity); // run test try { a.assign(new_size, t); VERIFY(false); } catch (...) { } // assert postconditions VERIFY(a.size() == old_size); VERIFY(a.capacity() == old_capacity); } VERIFY(tracker_allocator_counter::get_allocation_count() > 0); VERIFY(tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count()); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_fill_assign_4() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; X a(7); X::size_type old_size = a.size(); X::size_type new_size = old_size - 2; X::size_type new_value = 117; copy_tracker::reset(); tracker_allocator_counter::reset(); // run test a.assign(new_size, new_value); // assert postconditions VERIFY(a.size() == new_size); VERIFY(tracker_allocator_counter::get_allocation_count() == 0); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } // range assign() // // case 1: [23.2.4.1 (2)] input iterator // case 2: [23.2.4.1 (2)] forward iterator, distance(first, last) <= size() // case 3: [23.2.4.1 (2)] // forward iterator, size() < distance(first, last) <= capacity() // case 4: [23.2.4.1 (2)] forward iterator, distance(first, last) > capacity() // case 5: [23.2.4.1 (2)] // forward iterator, distance(first, last) > capacity(), // exception guarantees void test_range_assign_1() { // @TODO } void test_range_assign_2() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; X a(7); X b(3); copy_tracker::reset(); tracker_allocator_counter::reset(); // assert preconditions VERIFY(b.size() < a.capacity()); // run test a.assign(b.begin(), b.end()); // assert postconditions VERIFY(a.size() == b.size()); VERIFY(a == b); VERIFY(tracker_allocator_counter::get_allocation_count() == 0); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_range_assign_3() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; X a(7); a.reserve(a.size() + 7); X b(a.size() + 3); copy_tracker::reset(); tracker_allocator_counter::reset(); // assert preconditions VERIFY(a.size() < b.size()); VERIFY(b.size() < a.capacity()); // run test a.assign(b.begin(), b.end()); // assert postconditions VERIFY(a.size() == b.size()); VERIFY(a == b); VERIFY(tracker_allocator_counter::get_allocation_count() == 0); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_range_assign_4() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; tracker_allocator_counter::reset(); { X a(7); X b(a.capacity() + 7); copy_tracker::reset(); // assert preconditions VERIFY(b.size() > a.capacity()); // run test a.assign(b.begin(), b.end()); // assert postconditions VERIFY(a.size() == b.size()); VERIFY(a == b); } VERIFY(tracker_allocator_counter::get_allocation_count() > 0); VERIFY(tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count()); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } void test_range_assign_4_exception_guarantee() { // setup bool test __attribute__((unused)) = true; typedef copy_tracker T; typedef std::vector<T, tracker_allocator<T> > X; tracker_allocator_counter::reset(); { X a(7); X b(a.capacity() + 7); copy_tracker::reset(); copy_constructor::throw_on(3); // assert preconditions VERIFY(b.size() > a.capacity()); // run test try { a.assign(b.begin(), b.end()); VERIFY(false); } catch (...) { } } // assert postconditions VERIFY(tracker_allocator_counter::get_allocation_count() > 0); VERIFY(tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count()); // teardown copy_tracker::reset(); tracker_allocator_counter::reset(); } int main() { test_default_ctor_exception_gurantee(); test_copy_ctor_exception_gurantee(); test_assignment_operator_1(); test_assignment_operator_2(); test_assignment_operator_3(); test_assignment_operator_3_exception_guarantee(); test_fill_assign_1(); test_fill_assign_2(); test_fill_assign_3(); test_fill_assign_3_exception_guarantee(); test_fill_assign_4(); test_range_assign_1(); test_range_assign_2(); test_range_assign_3(); test_range_assign_4(); test_range_assign_4_exception_guarantee(); return 0; }