auto_array_test.cpp revision 258191
1// 2// Automated Testing Framework (atf) 3// 4// Copyright (c) 2007 The NetBSD Foundation, Inc. 5// All rights reserved. 6// 7// Redistribution and use in source and binary forms, with or without 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 21// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 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 25// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29 30extern "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 46class test_array { 47public: 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 88ssize_t test_array::m_nblocks = 0; 89 90ATF_TEST_CASE(auto_array_scope); 91ATF_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} 96ATF_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 108ATF_TEST_CASE(auto_array_copy); 109ATF_TEST_CASE_HEAD(auto_array_copy) 110{ 111 set_md_var("descr", "Tests the auto_array smart pointer class' copy " 112 "constructor"); 113} 114ATF_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 132ATF_TEST_CASE(auto_array_copy_ref); 133ATF_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} 138ATF_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 156ATF_TEST_CASE(auto_array_get); 157ATF_TEST_CASE_HEAD(auto_array_get) 158{ 159 set_md_var("descr", "Tests the auto_array smart pointer class' get " 160 "method"); 161} 162ATF_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 171ATF_TEST_CASE(auto_array_release); 172ATF_TEST_CASE_HEAD(auto_array_release) 173{ 174 set_md_var("descr", "Tests the auto_array smart pointer class' release " 175 "method"); 176} 177ATF_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 193ATF_TEST_CASE(auto_array_reset); 194ATF_TEST_CASE_HEAD(auto_array_reset) 195{ 196 set_md_var("descr", "Tests the auto_array smart pointer class' reset " 197 "method"); 198} 199ATF_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 218ATF_TEST_CASE(auto_array_assign); 219ATF_TEST_CASE_HEAD(auto_array_assign) 220{ 221 set_md_var("descr", "Tests the auto_array smart pointer class' " 222 "assignment operator"); 223} 224ATF_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 243ATF_TEST_CASE(auto_array_assign_ref); 244ATF_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} 250ATF_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 269ATF_TEST_CASE(auto_array_access); 270ATF_TEST_CASE_HEAD(auto_array_access) 271{ 272 set_md_var("descr", "Tests the auto_array smart pointer class' access " 273 "operator"); 274} 275ATF_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 292ATF_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