1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <deque>
11
12 // void push_back(value_type&& v);
13 // void pop_back();
14 // void pop_front();
15
16 #include <deque>
17 #include <cassert>
18
19 #include "MoveOnly.h"
20 #include "min_allocator.h"
21
22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
23
24 template <class C>
25 C
make(int size,int start=0)26 make(int size, int start = 0 )
27 {
28 const int b = 4096 / sizeof(int);
29 int init = 0;
30 if (start > 0)
31 {
32 init = (start+1) / b + ((start+1) % b != 0);
33 init *= b;
34 --init;
35 }
36 C c(init);
37 for (int i = 0; i < init-start; ++i)
38 c.pop_back();
39 for (int i = 0; i < size; ++i)
40 c.push_back(MoveOnly(i));
41 for (int i = 0; i < start; ++i)
42 c.pop_front();
43 return c;
44 }
45
46 template <class C>
test(int size)47 void test(int size)
48 {
49 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049};
50 const int N = sizeof(rng)/sizeof(rng[0]);
51 for (int j = 0; j < N; ++j)
52 {
53 C c = make<C>(size, rng[j]);
54 typename C::const_iterator it = c.begin();
55 for (int i = 0; i < size; ++i, ++it)
56 assert(*it == MoveOnly(i));
57 }
58 }
59
60 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
61
main()62 int main()
63 {
64 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
65 {
66 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
67 const int N = sizeof(rng)/sizeof(rng[0]);
68 for (int j = 0; j < N; ++j)
69 test<std::deque<MoveOnly> >(rng[j]);
70 }
71 #if TEST_STD_VER >= 11
72 {
73 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
74 const int N = sizeof(rng)/sizeof(rng[0]);
75 for (int j = 0; j < N; ++j)
76 test<std::deque<MoveOnly, min_allocator<MoveOnly>> >(rng[j]);
77 }
78 #endif
79 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
80 }
81