libcxx

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insert_size_value.pass.cpp (4035B)


      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 // REQUIRES: long_tests
     11 
     12 // <deque>
     13 
     14 // iterator insert (const_iterator p, size_type n, const value_type& v);
     15 
     16 #include <deque>
     17 #include <cassert>
     18 #include <cstddef>
     19 
     20 #include "test_macros.h"
     21 #include "min_allocator.h"
     22 
     23 template <class C>
     24 C
     25 make(int size, int start = 0 )
     26 {
     27     const int b = 4096 / sizeof(int);
     28     int init = 0;
     29     if (start > 0)
     30     {
     31         init = (start+1) / b + ((start+1) % b != 0);
     32         init *= b;
     33         --init;
     34     }
     35     C c(init, 0);
     36     for (int i = 0; i < init-start; ++i)
     37         c.pop_back();
     38     for (int i = 0; i < size; ++i)
     39         c.push_back(i);
     40     for (int i = 0; i < start; ++i)
     41         c.pop_front();
     42     return c;
     43 }
     44 
     45 template <class C>
     46 void
     47 test(int P, C& c1, int size, int x)
     48 {
     49     typedef typename C::const_iterator CI;
     50     std::size_t c1_osize = c1.size();
     51     CI i = c1.insert(c1.begin() + P, size, x);
     52     assert(i == c1.begin() + P);
     53     assert(c1.size() == c1_osize + size);
     54     assert(static_cast<std::size_t>(distance(c1.begin(), c1.end())) == c1.size());
     55     i = c1.begin();
     56     for (int j = 0; j < P; ++j, ++i)
     57         assert(*i == j);
     58     for (int j = 0; j < size; ++j, ++i)
     59         assert(*i == x);
     60     for (int j = P; static_cast<std::size_t>(j) < c1_osize; ++j, ++i)
     61         assert(*i == j);
     62 }
     63 
     64 template <class C>
     65 void
     66 testN(int start, int N, int M)
     67 {
     68     for (int i = 0; i <= 3; ++i)
     69     {
     70         if (0 <= i && i <= N)
     71         {
     72             C c1 = make<C>(N, start);
     73             test(i, c1, M, -10);
     74         }
     75     }
     76     for (int i = M-1; i <= M+1; ++i)
     77     {
     78         if (0 <= i && i <= N)
     79         {
     80             C c1 = make<C>(N, start);
     81             test(i, c1, M, -10);
     82         }
     83     }
     84     for (int i = N/2-1; i <= N/2+1; ++i)
     85     {
     86         if (0 <= i && i <= N)
     87         {
     88             C c1 = make<C>(N, start);
     89             test(i, c1, M, -10);
     90         }
     91     }
     92     for (int i = N - M - 1; i <= N - M + 1; ++i)
     93     {
     94         if (0 <= i && i <= N)
     95         {
     96             C c1 = make<C>(N, start);
     97             test(i, c1, M, -10);
     98         }
     99     }
    100     for (int i = N - 3; i <= N; ++i)
    101     {
    102         if (0 <= i && i <= N)
    103         {
    104             C c1 = make<C>(N, start);
    105             test(i, c1, M, -10);
    106         }
    107     }
    108 }
    109 
    110 template <class C>
    111 void
    112 self_reference_test()
    113 {
    114     typedef typename C::const_iterator CI;
    115     for (int i = 0; i < 20; ++i)
    116     {
    117         for (int j = 0; j < 20; ++j)
    118         {
    119             C c = make<C>(20);
    120             CI it = c.cbegin() + i;
    121             CI jt = c.cbegin() + j;
    122             c.insert(it, 5, *jt);
    123             assert(c.size() == 25);
    124             assert(static_cast<std::size_t>(distance(c.begin(), c.end())) == c.size());
    125             it = c.cbegin();
    126             for (int k = 0; k < i; ++k, ++it)
    127                 assert(*it == k);
    128             for (int k = 0; k < 5; ++k, ++it)
    129                 assert(*it == j);
    130             for (int k = i; k < 20; ++k, ++it)
    131                 assert(*it == k);
    132         }
    133     }
    134 }
    135 
    136 int main()
    137 {
    138     {
    139     int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
    140     const int N = sizeof(rng)/sizeof(rng[0]);
    141     for (int i = 0; i < N; ++i)
    142         for (int j = 0; j < N; ++j)
    143             for (int k = 0; k < N; ++k)
    144                 testN<std::deque<int> >(rng[i], rng[j], rng[k]);
    145     self_reference_test<std::deque<int> >();
    146     }
    147 #if TEST_STD_VER >= 11
    148     {
    149     int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
    150     const int N = sizeof(rng)/sizeof(rng[0]);
    151     for (int i = 0; i < N; ++i)
    152         for (int j = 0; j < N; ++j)
    153             for (int k = 0; k < N; ++k)
    154                 testN<std::deque<int, min_allocator<int>> >(rng[i], rng[j], rng[k]);
    155     self_reference_test<std::deque<int, min_allocator<int>> >();
    156     }
    157 #endif
    158 }