sync with N3126

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113101 91177308-0d34-0410-b5e6-96231b3b80d8

test/containers/container.adaptors/queue/queue.defn/assign_copy.pass.cpp

@@ -0,0 +1,33 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// queue& operator=(const queue& q);
+
+#include <queue>
+#include <cassert>
+
+template <class C>
+C
+make(int n)
+{
+    C c;
+    for (int i = 0; i < n; ++i)
+        c.push_back(i);
+    return c;
+}
+
+int main()
+{
+    std::queue<int> q(make<std::deque<int> >(5));
+    std::queue<int> q2;
+    q2 = q;
+    assert(q2 == q);
+}

test/containers/container.adaptors/queue/queue.defn/assign_move.pass.cpp

@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// queue& operator=(queue&& q);
+
+#include <queue>
+#include <cassert>
+
+#include "../../../../MoveOnly.h"
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class C>
+C
+make(int n)
+{
+    C c;
+    for (int i = 0; i < n; ++i)
+        c.push_back(MoveOnly(i));
+    return c;
+}
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::queue<MoveOnly> q(make<std::deque<MoveOnly> >(5));
+    std::queue<MoveOnly> q2;
+    q2 = std::move(q);
+    assert(q2.size() == 5);
+    assert(q.empty());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/containers/container.adaptors/queue/queue.defn/back.pass.cpp

@@ -0,0 +1,26 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// reference back();
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.size() == 0);
+    q.push(1);
+    q.push(2);
+    q.push(3);
+    int& ir = q.back();
+    assert(ir == 3);
+}

test/containers/container.adaptors/queue/queue.defn/back_const.pass.cpp

@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// const_reference back() const;
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.size() == 0);
+    q.push(1);
+    q.push(2);
+    q.push(3);
+    const std::queue<int>& cqr = q;
+    const int& cir = cqr.back();
+    assert(cir == 3);
+}

test/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// template <class... Args> void emplace(Args&&... args);
+
+#include <queue>
+#include <cassert>
+
+#include "../../../../Emplaceable.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::queue<Emplaceable> q;
+    q.emplace(1, 2.5);
+    q.emplace(2, 3.5);
+    q.emplace(3, 4.5);
+    assert(q.size() == 3);
+    assert(q.front() == Emplaceable(1, 2.5));
+    assert(q.back() == Emplaceable(3, 4.5));
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/containers/container.adaptors/queue/queue.defn/empty.pass.cpp

@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// bool empty() const;
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.empty());
+    q.push(1);
+    assert(!q.empty());
+    q.pop();
+    assert(q.empty());
+}

test/containers/container.adaptors/queue/queue.defn/front.pass.cpp

@@ -0,0 +1,26 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// reference front();
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.size() == 0);
+    q.push(1);
+    q.push(2);
+    q.push(3);
+    int& ir = q.front();
+    assert(ir == 1);
+}

test/containers/container.adaptors/queue/queue.defn/front_const.pass.cpp

@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// const_reference front() const;
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.size() == 0);
+    q.push(1);
+    q.push(2);
+    q.push(3);
+    const std::queue<int>& cqr = q;
+    const int& cir = cqr.front();
+    assert(cir == 1);
+}

test/containers/container.adaptors/queue/queue.defn/pop.pass.cpp

@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// void pop();
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.size() == 0);
+    q.push(1);
+    q.push(2);
+    q.push(3);
+    assert(q.size() == 3);
+    assert(q.front() == 1);
+    assert(q.back() == 3);
+    q.pop();
+    assert(q.size() == 2);
+    assert(q.front() == 2);
+    assert(q.back() == 3);
+    q.pop();
+    assert(q.size() == 1);
+    assert(q.front() == 3);
+    assert(q.back() == 3);
+    q.pop();
+    assert(q.size() == 0);
+}

test/containers/container.adaptors/queue/queue.defn/push.pass.cpp

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// void push(const value_type& v);
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    q.push(1);
+    assert(q.size() == 1);
+    assert(q.front() == 1);
+    assert(q.back() == 1);
+    q.push(2);
+    assert(q.size() == 2);
+    assert(q.front() == 1);
+    assert(q.back() == 2);
+    q.push(3);
+    assert(q.size() == 3);
+    assert(q.front() == 1);
+    assert(q.back() == 3);
+}

test/containers/container.adaptors/queue/queue.defn/push_rv.pass.cpp

@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// void push(value_type&& v);
+
+#include <queue>
+#include <cassert>
+
+#include "../../../../MoveOnly.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::queue<MoveOnly> q;
+    q.push(MoveOnly(1));
+    assert(q.size() == 1);
+    assert(q.front() == MoveOnly(1));
+    assert(q.back() == MoveOnly(1));
+    q.push(MoveOnly(2));
+    assert(q.size() == 2);
+    assert(q.front() == MoveOnly(1));
+    assert(q.back() == MoveOnly(2));
+    q.push(MoveOnly(3));
+    assert(q.size() == 3);
+    assert(q.front() == MoveOnly(1));
+    assert(q.back() == MoveOnly(3));
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/containers/container.adaptors/queue/queue.defn/size.pass.cpp

@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// size_type size() const;
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.size() == 0);
+    q.push(1);
+    assert(q.size() == 1);
+}

test/containers/container.adaptors/queue/queue.defn/swap.pass.cpp

@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// void swap(queue& q);
+
+#include <queue>
+#include <cassert>
+
+template <class C>
+C
+make(int n)
+{
+    C c;
+    for (int i = 0; i < n; ++i)
+        c.push(i);
+    return c;
+}
+
+int main()
+{
+    std::queue<int> q1 = make<std::queue<int> >(5);
+    std::queue<int> q2 = make<std::queue<int> >(10);
+    std::queue<int> q1_save = q1;
+    std::queue<int> q2_save = q2;
+    q1.swap(q2);
+    assert(q1 == q2_save);
+    assert(q2 == q1_save);
+}

test/containers/container.adaptors/queue/queue.defn/types.pass.cpp

@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// template <class T, class Container = deque<T>>
+// class queue
+// {
+// public:
+//     typedef Container                                container_type;
+//     typedef typename container_type::value_type      value_type;
+//     typedef typename container_type::reference       reference;
+//     typedef typename container_type::const_reference const_reference;
+//     typedef typename container_type::size_type       size_type;
+//
+// protected:
+//     container_type c;
+// ...
+// };
+
+#include <queue>
+#include <type_traits>
+
+struct test
+    : private std::queue<int>
+{
+    test()
+    {
+        c.push_back(1);
+    }
+};
+
+struct C
+{
+    typedef int value_type;
+    typedef int& reference;
+    typedef const int& const_reference;
+    typedef int size_type;
+};
+
+int main()
+{
+    static_assert((std::is_same<std::queue<int>::container_type, std::deque<int> >::value), "");
+    static_assert((std::is_same<std::queue<double, std::vector<int> >::container_type, std::vector<int> >::value), "");
+    static_assert((std::is_same<std::queue<double, std::vector<int> >::value_type, int>::value), "");
+    static_assert((std::is_same<std::queue<int>::reference, std::deque<int>::reference>::value), "");
+    static_assert((std::is_same<std::queue<int>::const_reference, std::deque<int>::const_reference>::value), "");
+    static_assert((std::is_same<std::queue<int>::size_type, std::deque<int>::size_type>::value), "");
+    static_assert((std::uses_allocator<std::queue<int>, std::allocator<int> >::value), "");
+    static_assert((!std::uses_allocator<std::queue<int, C>, std::allocator<int> >::value), "");
+    test t;
+}