74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
// { dg-do run }
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// { dg-options "-g -O0" }
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// Copyright (C) 2014-2022 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <deque>
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const int max_deque_node_size = 512;
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int
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main ()
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{
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std::deque<int> q0, q1, q2, q3;
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int int_size = sizeof (int);
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// The xmethod logic is exercised differently for deques of different size.
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// Let q1 be a deque requiring only 1 node. Let q2 be a deque filling up
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// exactly 2 nodes. Let q3 be of size which would require 1 node and part
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// of the second node.
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int q1_size = max_deque_node_size / int_size / 2;
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int q2_size = max_deque_node_size / int_size * 2;
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int q3_size = max_deque_node_size / int_size * 3 / 2;
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for (int i = 0; i < q1_size; i++)
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q1.push_back (100 + i);
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for (int i = 0; i < q2_size; i++)
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q2.push_back (200 + i);
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for (int i = 0; i < q3_size; i++)
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q3.push_back (300 + i);
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// { dg-final { note-test q0.empty() true } }
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// { dg-final { note-test q1.empty() false } }
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// { dg-final { note-test q0.size() 0 } }
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// { dg-final { note-test q1.size()==q1_size true } }
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// { dg-final { note-test q2.size()==q2_size true } }
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// { dg-final { note-test q3.size()==q3_size true } }
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// { dg-final { note-test q1.front() 100 } }
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// { dg-final { note-test q2.front() 200 } }
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// { dg-final { note-test q3.front() 300 } }
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// { dg-final { note-test q1.back()==(100+q1_size-1) true } }
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// { dg-final { note-test q2.back()==(200+q2_size-1) true } }
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// { dg-final { note-test q3.back()==(300+q3_size-1) true } }
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// { dg-final { note-test q3\[0\] 300 } }
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// { dg-final { note-test q3\[q3_size/2\]==(300+q3_size/2) true } }
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// { dg-final { note-test q3\[q3_size-1]==(300+q3_size-1) true } }
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// { dg-final { whatis-test q0.empty() bool } }
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// { dg-final { whatis-test q0.size() std::size_t } }
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// { dg-final { whatis-test q1.front() int } }
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// { dg-final { whatis-test q1.back() int } }
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// { dg-final { whatis-test q3\[0\] int } }
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return 0; // Mark SPOT
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}
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// { dg-final { gdb-test SPOT {} 1 } }
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