// 1999-06-29 bkoz // Copyright (C) 1999-2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // 23.2.4.1 vector constructors, copy, and assignment #include #include #include #include using __gnu_cxx_test::copy_tracker; using __gnu_cxx_test::allocation_tracker; using __gnu_cxx_test::tracker_alloc; using __gnu_cxx_test::copy_constructor; using __gnu_cxx_test::assignment_operator; template struct A { }; struct B { }; void test01() { // 1 bool test = true; std::vector< A > vec01; std::vector< A > vec02(5); typedef std::vector< A >::size_type size_type; vec01 = vec02; #ifdef DEBUG_ASSERT assert(test); #endif } // 2 template class std::vector; template class std::vector< A >; // libstdc++/102 void test02() { std::vector v1; std::vector v2 (v1); } // test range constructors and range-fill constructor void test03() { bool test = true; const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17}; const int B[] = {7, 7, 7, 7, 7}; const int N = sizeof(A) / sizeof(int); const int M = sizeof(B) / sizeof(int); std::vector v3(A, A + N); VERIFY(std::equal(v3.begin(), v3.end(), A)); std::vector v4(v3.begin(), v3.end()); VERIFY(std::equal(v4.begin(), v4.end(), A)); std::vector v5(M, 7); VERIFY(std::equal(v5.begin(), v5.end(), B)); VERIFY(std::equal(B, B + M, v5.begin())); #ifdef DEBUG_ASSERT assert(test); #endif } // libstdc++/6513 void test04() { bool test = true; const char* c_strings[5] = { "1", "2", "3", "4", "5" }; std::vector strings(c_strings, c_strings + 5); #ifdef DEBUG_ASSERT assert(test); #endif } // @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 = true; typedef copy_tracker T; typedef std::vector > X; copy_tracker::reset(); copy_constructor::throw_on(3); allocation_tracker::resetCounts(); // run test try { X a(7); VERIFY(("no exception thrown", false)); } catch (...) { } // assert postconditions VERIFY(("memory leak detected:", allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal())); // 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 = true; typedef copy_tracker T; typedef std::vector > X; allocation_tracker::resetCounts(); { X a(7); copy_tracker::reset(); copy_constructor::throw_on(3); // run test try { X u(a); VERIFY(("no exception thrown", false)); } catch (...) { } } // assert postconditions VERIFY(allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal()); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } // 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 = true; typedef copy_tracker T; typedef std::vector > X; X r(9); X a(r.size() - 2); copy_tracker::reset(); allocation_tracker::resetCounts(); // preconditions VERIFY(r.size() > a.size()); // run test r = a; // assert postconditions VERIFY(r == a); VERIFY(allocation_tracker::allocationTotal() == 0); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_assignment_operator_2() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; X r(1); r.reserve(17); X a(r.size() + 7); copy_tracker::reset(); allocation_tracker::resetCounts(); // preconditions VERIFY(r.size() < a.size()); VERIFY(a.size() < r.capacity()); // run test r = a; // assert postconditions VERIFY(r == a); VERIFY(allocation_tracker::allocationTotal() == 0); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_assignment_operator_3() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; allocation_tracker::resetCounts(); { 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(allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal()); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_assignment_operator_3_exception_guarantee() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; allocation_tracker::resetCounts(); { 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(("no exception thrown", false)); } catch (...) { } } // assert postconditions VERIFY(allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal()); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } // 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 = true; typedef copy_tracker T; typedef std::vector > 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(); allocation_tracker::resetCounts(); // run test a.assign(new_size, t); // assert postconditions VERIFY(a.size() == new_size); VERIFY(allocation_tracker::allocationTotal() == 0); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_fill_assign_2() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > 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(); allocation_tracker::resetCounts(); // 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(allocation_tracker::allocationTotal() == 0); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_fill_assign_3() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; allocation_tracker::resetCounts(); { 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(); // assert preconditions VERIFY(new_size > old_capacity); // run test a.assign(new_size, t); // assert postconditions VERIFY(a.size() == new_size); } VERIFY(allocation_tracker::allocationTotal() > 0); VERIFY(allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal()); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_fill_assign_3_exception_guarantee() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; allocation_tracker::resetCounts(); { 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(("no exception thrown", false)); } catch (...) { } // assert postconditions VERIFY(a.size() == old_size); VERIFY(a.capacity() == old_capacity); } VERIFY(allocation_tracker::allocationTotal() > 0); VERIFY(allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal()); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_fill_assign_4() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > 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(); allocation_tracker::resetCounts(); // run test a.assign(new_size, new_value); // assert postconditions VERIFY(a.size() == new_size); VERIFY(allocation_tracker::allocationTotal() == 0); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } // 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 = true; typedef copy_tracker T; typedef std::vector > X; X a(7); X b(3); X::size_type old_size = a.size(); copy_tracker::reset(); allocation_tracker::resetCounts(); // 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(allocation_tracker::allocationTotal() == 0); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_range_assign_3() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; X a(7); a.reserve(a.size() + 7); X b(a.size() + 3); X::size_type old_size = a.size(); copy_tracker::reset(); allocation_tracker::resetCounts(); // 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(allocation_tracker::allocationTotal() == 0); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_range_assign_4() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; allocation_tracker::resetCounts(); { X a(7); X b(a.capacity() + 7); X::size_type old_size = a.size(); 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(allocation_tracker::allocationTotal() > 0); VERIFY(allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal()); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } void test_range_assign_4_exception_guarantee() { // setup bool test = true; typedef copy_tracker T; typedef std::vector > X; allocation_tracker::resetCounts(); { X a(7); X b(a.capacity() + 7); X::size_type old_size = a.size(); 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(("no exception thrown", false)); } catch (...) { } } // assert postconditions VERIFY(allocation_tracker::allocationTotal() > 0); VERIFY(allocation_tracker::allocationTotal() == allocation_tracker::deallocationTotal()); // teardown copy_tracker::reset(); allocation_tracker::resetCounts(); } int main() { test01(); test02(); test03(); test04(); 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; }