| // Copyright (C) 2001 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 Pred 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. |
| |
| // 23.2.2.4 list operations [lib.list.ops] |
| |
| #include <list> |
| #include <testsuite_hooks.h> |
| |
| bool test = true; |
| |
| // splice(p, x) + remove + reverse |
| void |
| test01() |
| { |
| const int K = 417; |
| const int A[] = {1, 2, 3, 4, 5}; |
| const int B[] = {K, K, K, K, K}; |
| const int N = sizeof(A) / sizeof(int); |
| const int M = sizeof(B) / sizeof(int); |
| |
| std::list<int> list0101(A, A + N); |
| std::list<int> list0102(B, B + M); |
| std::list<int>::iterator p = list0101.begin(); |
| |
| VERIFY(list0101.size() == N); |
| VERIFY(list0102.size() == M); |
| |
| ++p; |
| list0101.splice(p, list0102); // [1 K K K K K 2 3 4 5] |
| VERIFY(list0101.size() == N + M); |
| VERIFY(list0102.size() == 0); |
| |
| // remove range from middle |
| list0101.remove(K); |
| VERIFY(list0101.size() == N); |
| |
| // remove first element |
| list0101.remove(1); |
| VERIFY(list0101.size() == N - 1); |
| |
| // remove last element |
| list0101.remove(5); |
| VERIFY(list0101.size() == N - 2); |
| |
| // reverse |
| list0101.reverse(); |
| p = list0101.begin(); |
| VERIFY(*p == 4); ++p; |
| VERIFY(*p == 3); ++p; |
| VERIFY(*p == 2); ++p; |
| VERIFY(p == list0101.end()); |
| } |
| |
| // splice(p, x, i) + remove_if + operator== |
| void |
| test02() |
| { |
| const int A[] = {1, 2, 3, 4, 5}; |
| const int B[] = {2, 1, 3, 4, 5}; |
| const int C[] = {1, 3, 4, 5, 2}; |
| const int N = sizeof(A) / sizeof(int); |
| std::list<int> list0201(A, A + N); |
| std::list<int> list0202(A, A + N); |
| std::list<int> list0203(B, B + N); |
| std::list<int> list0204(C, C + N); |
| std::list<int>::iterator i = list0201.begin(); |
| |
| // result should be unchanged |
| list0201.splice(list0201.begin(), list0201, i); |
| VERIFY(list0201 == list0202); |
| |
| // result should be [2 1 3 4 5] |
| ++i; |
| list0201.splice(list0201.begin(), list0201, i); |
| VERIFY(list0201 != list0202); |
| VERIFY(list0201 == list0203); |
| |
| // result should be [1 3 4 5 2] |
| list0201.splice(list0201.end(), list0201, i); |
| VERIFY(list0201 == list0204); |
| } |
| |
| // splice(p, x, f, l) + sort + merge + unique |
| void |
| test03() |
| { |
| const int A[] = {103, 203, 603, 303, 403, 503}; |
| const int B[] = {417, 417, 417, 417, 417}; |
| const int E[] = {103, 417, 417, 203, 603, 303, 403, 503}; |
| const int F[] = {103, 203, 303, 403, 417, 417, 503, 603}; |
| const int C[] = {103, 203, 303, 403, 417, 417, 417, 417, 417, 503, 603}; |
| const int D[] = {103, 203, 303, 403, 417, 503, 603}; |
| const int N = sizeof(A) / sizeof(int); |
| const int M = sizeof(B) / sizeof(int); |
| const int P = sizeof(C) / sizeof(int); |
| const int Q = sizeof(D) / sizeof(int); |
| const int R = sizeof(E) / sizeof(int); |
| |
| std::list<int> list0301(A, A + N); |
| std::list<int> list0302(B, B + M); |
| std::list<int> list0303(C, C + P); |
| std::list<int> list0304(D, D + Q); |
| std::list<int> list0305(E, E + R); |
| std::list<int> list0306(F, F + R); |
| std::list<int>::iterator p = list0301.begin(); |
| std::list<int>::iterator q = list0302.begin(); |
| |
| ++p; ++q; ++q; |
| list0301.splice(p, list0302, list0302.begin(), q); |
| VERIFY(list0301 == list0305); |
| VERIFY(list0301.size() == N + 2); |
| VERIFY(list0302.size() == M - 2); |
| |
| list0301.sort(); |
| VERIFY(list0301 == list0306); |
| |
| list0301.merge(list0302); |
| VERIFY(list0301.size() == N + M); |
| VERIFY(list0302.size() == 0); |
| VERIFY(list0301 == list0303); |
| |
| list0301.unique(); |
| VERIFY(list0301 == list0304); |
| } |
| |
| // A comparison predicate to order by rightmost digit. Tracks call counts for |
| // performance checks. |
| struct CompLastLt |
| { |
| bool operator()(const int x, const int y) { ++itsCount; return x % 10 < y % 10; } |
| static int count() { return itsCount; } |
| static void reset() { itsCount = 0; } |
| static int itsCount; |
| }; |
| |
| int CompLastLt::itsCount; |
| |
| struct CompLastEq |
| { |
| bool operator()(const int x, const int y) { ++itsCount; return x % 10 == y % 10; } |
| static int count() { return itsCount; } |
| static void reset() { itsCount = 0; } |
| static int itsCount; |
| }; |
| |
| int CompLastEq::itsCount; |
| |
| // sort(pred) + merge(pred) + unique(pred) |
| // also checks performance requirements |
| void |
| test04() |
| { |
| const int A[] = {1, 2, 3, 4, 5, 6}; |
| const int B[] = {12, 15, 13, 14, 11}; |
| const int C[] = {11, 12, 13, 14, 15}; |
| const int D[] = {1, 11, 2, 12, 3, 13, 4, 14, 5, 15, 6}; |
| const int N = sizeof(A) / sizeof(int); |
| const int M = sizeof(B) / sizeof(int); |
| const int Q = sizeof(D) / sizeof(int); |
| |
| std::list<int> list0401(A, A + N); |
| std::list<int> list0402(B, B + M); |
| std::list<int> list0403(C, C + M); |
| std::list<int> list0404(D, D + Q); |
| std::list<int> list0405(A, A + N); |
| |
| // sort B |
| CompLastLt lt; |
| |
| CompLastLt::reset(); |
| list0402.sort(lt); |
| VERIFY(list0402 == list0403); |
| |
| CompLastLt::reset(); |
| list0401.merge(list0402, lt); |
| VERIFY(list0401 == list0404); |
| VERIFY(lt.count() <= (N + M - 1)); |
| |
| CompLastEq eq; |
| |
| CompLastEq::reset(); |
| list0401.unique(eq); |
| VERIFY(list0401 == list0405); |
| VERIFY(eq.count() == (N + M - 1)); |
| } |
| |
| main(int argc, char* argv[]) |
| { |
| test01(); |
| test02(); |
| test03(); |
| test04(); |
| |
| return !test; |
| } |
| // vi:set sw=2 ts=2: |