xref: /freebsd/contrib/atf/atf-c++/detail/auto_array_test.cpp (revision 4ec234c813eed05c166859bba82c882e40826eb9)
1 //
2 // Automated Testing Framework (atf)
3 //
4 // Copyright (c) 2007 The NetBSD Foundation, Inc.
5 // All rights reserved.
6 //
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8 // modification, are permitted provided that the following conditions
9 // are met:
10 // 1. Redistributions of source code must retain the above copyright
11 //    notice, this list of conditions and the following disclaimer.
12 // 2. Redistributions in binary form must reproduce the above copyright
13 //    notice, this list of conditions and the following disclaimer in the
14 //    documentation and/or other materials provided with the distribution.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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27 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 //
29 
30 extern "C" {
31 #include <sys/types.h>
32 }
33 
34 #include <iostream>
35 
36 #include "atf-c/defs.h"
37 
38 #include "../macros.hpp"
39 
40 #include "auto_array.hpp"
41 
42 // ------------------------------------------------------------------------
43 // Tests for the "auto_array" class.
44 // ------------------------------------------------------------------------
45 
46 class test_array {
47 public:
48     int m_value;
49 
50     static ssize_t m_nblocks;
51 
52     static
53     atf::auto_array< test_array >
54     do_copy(atf::auto_array< test_array >& ta)
55     {
56         return atf::auto_array< test_array >(ta);
57     }
58 
59     void* operator new(size_t size ATF_DEFS_ATTRIBUTE_UNUSED)
60     {
61         ATF_FAIL("New called but should have been new[]");
62         return new int(5);
63     }
64 
65     void* operator new[](size_t size)
66     {
67         m_nblocks++;
68         void* mem = ::operator new(size);
69         std::cout << "Allocated 'test_array' object " << mem << "\n";
70         return mem;
71     }
72 
73     void operator delete(void* mem ATF_DEFS_ATTRIBUTE_UNUSED)
74     {
75         ATF_FAIL("Delete called but should have been delete[]");
76     }
77 
78     void operator delete[](void* mem)
79     {
80         std::cout << "Releasing 'test_array' object " << mem << "\n";
81         if (m_nblocks == 0)
82             ATF_FAIL("Unbalanced delete[]");
83         m_nblocks--;
84         ::operator delete(mem);
85     }
86 };
87 
88 ssize_t test_array::m_nblocks = 0;
89 
90 ATF_TEST_CASE(auto_array_scope);
91 ATF_TEST_CASE_HEAD(auto_array_scope)
92 {
93     set_md_var("descr", "Tests the automatic scope handling in the "
94                "auto_array smart pointer class");
95 }
96 ATF_TEST_CASE_BODY(auto_array_scope)
97 {
98     using atf::auto_array;
99 
100     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
101     {
102         auto_array< test_array > t(new test_array[10]);
103         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
104     }
105     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
106 }
107 
108 ATF_TEST_CASE(auto_array_copy);
109 ATF_TEST_CASE_HEAD(auto_array_copy)
110 {
111     set_md_var("descr", "Tests the auto_array smart pointer class' copy "
112                "constructor");
113 }
114 ATF_TEST_CASE_BODY(auto_array_copy)
115 {
116     using atf::auto_array;
117 
118     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
119     {
120         auto_array< test_array > t1(new test_array[10]);
121         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
122 
123         {
124             auto_array< test_array > t2(t1);
125             ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
126         }
127         ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
128     }
129     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
130 }
131 
132 ATF_TEST_CASE(auto_array_copy_ref);
133 ATF_TEST_CASE_HEAD(auto_array_copy_ref)
134 {
135     set_md_var("descr", "Tests the auto_array smart pointer class' copy "
136                "constructor through the auxiliary auto_array_ref object");
137 }
138 ATF_TEST_CASE_BODY(auto_array_copy_ref)
139 {
140     using atf::auto_array;
141 
142     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
143     {
144         auto_array< test_array > t1(new test_array[10]);
145         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
146 
147         {
148             auto_array< test_array > t2 = test_array::do_copy(t1);
149             ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
150         }
151         ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
152     }
153     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
154 }
155 
156 ATF_TEST_CASE(auto_array_get);
157 ATF_TEST_CASE_HEAD(auto_array_get)
158 {
159     set_md_var("descr", "Tests the auto_array smart pointer class' get "
160                "method");
161 }
162 ATF_TEST_CASE_BODY(auto_array_get)
163 {
164     using atf::auto_array;
165 
166     test_array* ta = new test_array[10];
167     auto_array< test_array > t(ta);
168     ATF_REQUIRE_EQ(t.get(), ta);
169 }
170 
171 ATF_TEST_CASE(auto_array_release);
172 ATF_TEST_CASE_HEAD(auto_array_release)
173 {
174     set_md_var("descr", "Tests the auto_array smart pointer class' release "
175                "method");
176 }
177 ATF_TEST_CASE_BODY(auto_array_release)
178 {
179     using atf::auto_array;
180 
181     test_array* ta1 = new test_array[10];
182     {
183         auto_array< test_array > t(ta1);
184         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
185         test_array* ta2 = t.release();
186         ATF_REQUIRE_EQ(ta2, ta1);
187         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
188     }
189     ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
190     delete [] ta1;
191 }
192 
193 ATF_TEST_CASE(auto_array_reset);
194 ATF_TEST_CASE_HEAD(auto_array_reset)
195 {
196     set_md_var("descr", "Tests the auto_array smart pointer class' reset "
197                "method");
198 }
199 ATF_TEST_CASE_BODY(auto_array_reset)
200 {
201     using atf::auto_array;
202 
203     test_array* ta1 = new test_array[10];
204     test_array* ta2 = new test_array[10];
205     ATF_REQUIRE_EQ(test_array::m_nblocks, 2);
206 
207     {
208         auto_array< test_array > t(ta1);
209         ATF_REQUIRE_EQ(test_array::m_nblocks, 2);
210         t.reset(ta2);
211         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
212         t.reset();
213         ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
214     }
215     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
216 }
217 
218 ATF_TEST_CASE(auto_array_assign);
219 ATF_TEST_CASE_HEAD(auto_array_assign)
220 {
221     set_md_var("descr", "Tests the auto_array smart pointer class' "
222                "assignment operator");
223 }
224 ATF_TEST_CASE_BODY(auto_array_assign)
225 {
226     using atf::auto_array;
227 
228     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
229     {
230         auto_array< test_array > t1(new test_array[10]);
231         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
232 
233         {
234             auto_array< test_array > t2;
235             t2 = t1;
236             ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
237         }
238         ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
239     }
240     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
241 }
242 
243 ATF_TEST_CASE(auto_array_assign_ref);
244 ATF_TEST_CASE_HEAD(auto_array_assign_ref)
245 {
246     set_md_var("descr", "Tests the auto_array smart pointer class' "
247                "assignment operator through the auxiliary auto_array_ref "
248                "object");
249 }
250 ATF_TEST_CASE_BODY(auto_array_assign_ref)
251 {
252     using atf::auto_array;
253 
254     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
255     {
256         auto_array< test_array > t1(new test_array[10]);
257         ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
258 
259         {
260             auto_array< test_array > t2;
261             t2 = test_array::do_copy(t1);
262             ATF_REQUIRE_EQ(test_array::m_nblocks, 1);
263         }
264         ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
265     }
266     ATF_REQUIRE_EQ(test_array::m_nblocks, 0);
267 }
268 
269 ATF_TEST_CASE(auto_array_access);
270 ATF_TEST_CASE_HEAD(auto_array_access)
271 {
272     set_md_var("descr", "Tests the auto_array smart pointer class' access "
273                "operator");
274 }
275 ATF_TEST_CASE_BODY(auto_array_access)
276 {
277     using atf::auto_array;
278 
279     auto_array< test_array > t(new test_array[10]);
280 
281     for (int i = 0; i < 10; i++)
282         t[i].m_value = i * 2;
283 
284     for (int i = 0; i < 10; i++)
285         ATF_REQUIRE_EQ(t[i].m_value, i * 2);
286 }
287 
288 // ------------------------------------------------------------------------
289 // Main.
290 // ------------------------------------------------------------------------
291 
292 ATF_INIT_TEST_CASES(tcs)
293 {
294     // Add the test for the "auto_array" class.
295     ATF_ADD_TEST_CASE(tcs, auto_array_scope);
296     ATF_ADD_TEST_CASE(tcs, auto_array_copy);
297     ATF_ADD_TEST_CASE(tcs, auto_array_copy_ref);
298     ATF_ADD_TEST_CASE(tcs, auto_array_get);
299     ATF_ADD_TEST_CASE(tcs, auto_array_release);
300     ATF_ADD_TEST_CASE(tcs, auto_array_reset);
301     ATF_ADD_TEST_CASE(tcs, auto_array_assign);
302     ATF_ADD_TEST_CASE(tcs, auto_array_assign_ref);
303     ATF_ADD_TEST_CASE(tcs, auto_array_access);
304 }
305