1
2// Copyright 2006-2009 Daniel James.
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6#include "./containers.hpp"
7#include "../helpers/random_values.hpp"
8#include "../helpers/invariants.hpp"
9
10#if defined(BOOST_MSVC)
11#pragma warning(disable:4512) // assignment operator could not be generated
12#endif
13
14test::seed_t initialize_seed(12847);
15
16template <class T>
17struct self_assign_base : public test::exception_base
18{
19 test::random_values<T> values;
20 self_assign_base(int count = 0) : values(count) {}
21
22 typedef T data_type;
23 T init() const { return T(values.begin(), values.end()); }
24 void run(T& x) const { x = x; }
25 void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
26 { test::check_equivalent_keys(x); }
27};
28
29template <class T>
30struct self_assign_test1 : self_assign_base<T> {};
31
32template <class T>
33struct self_assign_test2 : self_assign_base<T>
34{
35 self_assign_test2() : self_assign_base<T>(100) {}
36};
37
38template <class T>
39struct assign_base : public test::exception_base
40{
41 const test::random_values<T> x_values, y_values;
42 T x,y;
43
44 typedef BOOST_DEDUCED_TYPENAME T::hasher hasher;
45 typedef BOOST_DEDUCED_TYPENAME T::key_equal key_equal;
46 typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
47
48 assign_base(unsigned int count1, unsigned int count2, int tag1, int tag2,
49 float mlf1 = 1.0, float mlf2 = 1.0) :
50 x_values(count1),
51 y_values(count2),
52 x(x_values.begin(), x_values.end(), 0, hasher(tag1), key_equal(tag1),
53 allocator_type(tag1)),
54 y(y_values.begin(), y_values.end(), 0, hasher(tag2), key_equal(tag2),
55 allocator_type(tag2))
56 {
57 x.max_load_factor(mlf1);
58 y.max_load_factor(mlf2);
59 }
60
61 typedef T data_type;
62 T init() const { return T(x); }
63 void run(T& x1) const { x1 = y; }
64 void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x1) const
65 {
66 test::check_equivalent_keys(x1);
67
68 // If the container is empty at the point of the exception, the
69 // internal structure is hidden, this exposes it.
70 T& y = const_cast<T&>(x1);
71 if (x_values.size()) {
72 y.emplace(*x_values.begin());
73 test::check_equivalent_keys(y);
74 }
75 }
76};
77
78template <class T>
79struct assign_test1 : assign_base<T>
80{
81 assign_test1() : assign_base<T>(0, 0, 0, 0) {}
82};
83
84template <class T>
85struct assign_test2 : assign_base<T>
86{
87 assign_test2() : assign_base<T>(60, 0, 0, 0) {}
88};
89
90template <class T>
91struct assign_test3 : assign_base<T>
92{
93 assign_test3() : assign_base<T>(0, 60, 0, 0) {}
94};
95
96template <class T>
97struct assign_test4 : assign_base<T>
98{
99 assign_test4() : assign_base<T>(10, 10, 1, 2) {}
100};
101
102template <class T>
103struct assign_test5 : assign_base<T>
104{
105 assign_test5() : assign_base<T>(5, 60, 0, 0, 1.0, 0.1) {}
106};
107
108EXCEPTION_TESTS(
109 (self_assign_test1)(self_assign_test2)
110 (assign_test1)(assign_test2)(assign_test3)(assign_test4)(assign_test5),
111 CONTAINER_SEQ)
112RUN_TESTS()
113

source code of boost/libs/unordered/test/exception/assign_exception_tests.cpp