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 // template <class InputIterator>
13 //   void assign(InputIterator f, InputIterator l);
14 
15 #include <deque>
16 #include <cassert>
17 #include <cstddef>
18 
19 #include "test_macros.h"
20 #include "test_iterators.h"
21 #include "min_allocator.h"
22 #if TEST_STD_VER >= 11
23 #include "emplace_constructible.h"
24 #endif
25 
26 template <class C>
27 C
make(int size,int start=0)28 make(int size, int start = 0 )
29 {
30     const int b = 4096 / sizeof(int);
31     int init = 0;
32     if (start > 0)
33     {
34         init = (start+1) / b + ((start+1) % b != 0);
35         init *= b;
36         --init;
37     }
38     C c(init, 0);
39     for (int i = 0; i < init-start; ++i)
40         c.pop_back();
41     for (int i = 0; i < size; ++i)
42         c.push_back(i);
43     for (int i = 0; i < start; ++i)
44         c.pop_front();
45     return c;
46 }
47 
48 template <class C>
49 void
test(C & c1,const C & c2)50 test(C& c1, const C& c2)
51 {
52     c1.assign(c2.begin(), c2.end());
53     assert(static_cast<std::size_t>(distance(c1.begin(), c1.end())) == c1.size());
54     assert(c1 == c2);
55 }
56 
57 template <class C>
58 void
testN(int start,int N,int M)59 testN(int start, int N, int M)
60 {
61     C c1 = make<C>(N, start);
62     C c2 = make<C>(M);
63     test(c1, c2);
64 }
65 
66 template <class C>
67 void
testI(C & c1,const C & c2)68 testI(C& c1, const C& c2)
69 {
70     typedef typename C::const_iterator CI;
71     typedef input_iterator<CI> ICI;
72     c1.assign(ICI(c2.begin()), ICI(c2.end()));
73     assert(static_cast<std::size_t>(distance(c1.begin(), c1.end())) == c1.size());
74     assert(c1 == c2);
75 }
76 
77 template <class C>
78 void
testNI(int start,int N,int M)79 testNI(int start, int N, int M)
80 {
81     C c1 = make<C>(N, start);
82     C c2 = make<C>(M);
83     testI(c1, c2);
84 }
85 
basic_test()86 void basic_test()
87 {
88     {
89     int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
90     const int N = sizeof(rng)/sizeof(rng[0]);
91     for (int i = 0; i < N; ++i)
92         for (int j = 0; j < N; ++j)
93             for (int k = 0; k < N; ++k)
94                 testN<std::deque<int> >(rng[i], rng[j], rng[k]);
95     testNI<std::deque<int> >(1500, 2000, 1000);
96     }
97 #if TEST_STD_VER >= 11
98     {
99     int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
100     const int N = sizeof(rng)/sizeof(rng[0]);
101     for (int i = 0; i < N; ++i)
102         for (int j = 0; j < N; ++j)
103             for (int k = 0; k < N; ++k)
104                 testN<std::deque<int, min_allocator<int>> >(rng[i], rng[j], rng[k]);
105     testNI<std::deque<int, min_allocator<int>> >(1500, 2000, 1000);
106     }
107 #endif
108 }
109 
test_emplacable_concept()110 void test_emplacable_concept() {
111 #if TEST_STD_VER >= 11
112   int arr1[] = {42};
113   int arr2[] = {1, 101, 42};
114   {
115     using T = EmplaceConstructibleMoveableAndAssignable<int>;
116     using It = random_access_iterator<int*>;
117     {
118       std::deque<T> v;
119       v.assign(It(arr1), It(std::end(arr1)));
120       assert(v[0].value == 42);
121     }
122     {
123       std::deque<T> v;
124       v.assign(It(arr2), It(std::end(arr2)));
125       assert(v[0].value == 1);
126       assert(v[1].value == 101);
127       assert(v[2].value == 42);
128     }
129   }
130   {
131     using T = EmplaceConstructibleMoveableAndAssignable<int>;
132     using It = input_iterator<int*>;
133     {
134       std::deque<T> v;
135       v.assign(It(arr1), It(std::end(arr1)));
136       assert(v[0].copied == 0);
137       assert(v[0].value == 42);
138     }
139     {
140       std::deque<T> v;
141       v.assign(It(arr2), It(std::end(arr2)));
142       //assert(v[0].copied == 0);
143       assert(v[0].value == 1);
144       //assert(v[1].copied == 0);
145       assert(v[1].value == 101);
146       assert(v[2].copied == 0);
147       assert(v[2].value == 42);
148     }
149   }
150 #endif
151 }
152 
main()153 int main() {
154   basic_test();
155   test_emplacable_concept();
156 }
157