| 38 | }; |
| 39 | |
| 40 | BOOST_AUTO_TEST_CASE(enumeration) { |
| 41 | // This test may change the active device; this guard |
| 42 | // ensures that the device is reset to the original one |
| 43 | // so as to not perturb subsequent tests. |
| 44 | reset_device r; |
| 45 | |
| 46 | int backend_count = 0; |
| 47 | BOOST_CHECK(pcudaGetBackendCount(&backend_count) == pcudaSuccess); |
| 48 | BOOST_CHECK(backend_count > 0); |
| 49 | |
| 50 | int total_device_count = 0; |
| 51 | |
| 52 | for(int backend = 0; backend < backend_count; ++backend) { |
| 53 | std::cout << "Backend " << backend << std::endl; |
| 54 | |
| 55 | auto err = pcudaSetBackend(backend); |
| 56 | BOOST_CHECK(err == pcudaSuccess || err == pcudaErrorNoDevice); |
| 57 | |
| 58 | int platform_count = 0; |
| 59 | err = pcudaGetPlatformCount(&platform_count); |
| 60 | BOOST_CHECK(err == pcudaSuccess || err == pcudaErrorNoDevice); |
| 61 | for(int platform = 0; platform < platform_count; ++platform) { |
| 62 | std::cout << " Platform " << platform << std::endl; |
| 63 | err = pcudaSetPlatform(platform); |
| 64 | |
| 65 | BOOST_CHECK(err == pcudaSuccess || err == pcudaErrorNoDevice); |
| 66 | |
| 67 | int device_count = 0; |
| 68 | err = pcudaGetDeviceCount(&device_count); |
| 69 | BOOST_CHECK(err == pcudaSuccess || err == pcudaErrorNoDevice); |
| 70 | |
| 71 | for(int device = 0; device < device_count; ++device) { |
| 72 | std::cout << " Device " << device << std::endl; |
| 73 | ++total_device_count; |
| 74 | err = pcudaSetDevice(device); |
| 75 | BOOST_CHECK(err == pcudaSuccess); |
| 76 | |
| 77 | int retrieved_device = 0; |
| 78 | BOOST_CHECK(pcudaGetDevice(&retrieved_device) == pcudaSuccess); |
| 79 | BOOST_CHECK(retrieved_device == device); |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | BOOST_CHECK(total_device_count > 0); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | BOOST_AUTO_TEST_SUITE_END() |
nothing calls this directly
no outgoing calls
no test coverage detected