| 338 | }; |
| 339 | |
| 340 | void test_constructors() |
| 341 | { |
| 342 | dlib::optional<optional_dummy> val; |
| 343 | DLIB_TEST(constructor_count == 0); |
| 344 | DLIB_TEST(copy_constructor_count == 0); |
| 345 | DLIB_TEST(move_constructor_count == 0); |
| 346 | DLIB_TEST(copy_assign_count == 0); |
| 347 | DLIB_TEST(move_assign_count == 0); |
| 348 | |
| 349 | val = optional_dummy{}; |
| 350 | DLIB_TEST(constructor_count == 1); |
| 351 | DLIB_TEST(copy_constructor_count == 0); |
| 352 | DLIB_TEST(move_constructor_count == 1); |
| 353 | DLIB_TEST(copy_assign_count == 0); |
| 354 | DLIB_TEST(move_assign_count == 0); |
| 355 | reset_counters(); |
| 356 | |
| 357 | dlib::optional<optional_dummy> val2{val}; |
| 358 | DLIB_TEST(constructor_count == 0); |
| 359 | DLIB_TEST(copy_constructor_count == 1); |
| 360 | DLIB_TEST(move_constructor_count == 0); |
| 361 | DLIB_TEST(copy_assign_count == 0); |
| 362 | DLIB_TEST(move_assign_count == 0); |
| 363 | reset_counters(); |
| 364 | |
| 365 | dlib::optional<optional_dummy> val3{std::move(val)}; |
| 366 | DLIB_TEST(constructor_count == 0); |
| 367 | DLIB_TEST(copy_constructor_count == 0); |
| 368 | DLIB_TEST(move_constructor_count == 1); |
| 369 | DLIB_TEST(copy_assign_count == 0); |
| 370 | DLIB_TEST(move_assign_count == 0); |
| 371 | reset_counters(); |
| 372 | |
| 373 | val2 = val; |
| 374 | DLIB_TEST(constructor_count == 0); |
| 375 | DLIB_TEST(copy_constructor_count == 0); |
| 376 | DLIB_TEST(move_constructor_count == 0); |
| 377 | DLIB_TEST(copy_assign_count == 1); |
| 378 | DLIB_TEST(move_assign_count == 0); |
| 379 | reset_counters(); |
| 380 | |
| 381 | val3 = std::move(val); |
| 382 | DLIB_TEST(constructor_count == 0); |
| 383 | DLIB_TEST(copy_constructor_count == 0); |
| 384 | DLIB_TEST(move_constructor_count == 0); |
| 385 | DLIB_TEST(copy_assign_count == 0); |
| 386 | DLIB_TEST(move_assign_count == 1); |
| 387 | reset_counters(); |
| 388 | } |
| 389 | |
| 390 | // --------------------------------------------------------------------------------------------------- |
| 391 |
no test coverage detected