| /* -*- Mode: C; indent-tabs-mode:nil -*- */ |
| /* |
| * Unit tests for libusb_set_option |
| * Copyright © 2023 Nathan Hjelm <hjelmn@cs.unm.edu> |
| * Copyright © 2023 Google, LLC. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| |
| #include <stdbool.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <inttypes.h> |
| #include "libusbi.h" |
| #include "libusb_testlib.h" |
| |
| #define LIBUSB_TEST_CLEAN_EXIT(code) \ |
| do { \ |
| if (test_ctx != NULL) { \ |
| libusb_exit(test_ctx); \ |
| } \ |
| unsetenv("LIBUSB_DEBUG"); \ |
| return (code); \ |
| } while (0) |
| |
| /** |
| * Fail the test if the expression does not evaluate to LIBUSB_SUCCESS. |
| */ |
| #define LIBUSB_TEST_RETURN_ON_ERROR(expr) \ |
| do { \ |
| int _result = (expr); \ |
| if (LIBUSB_SUCCESS != _result) { \ |
| libusb_testlib_logf("Not success (%s) at %s:%d", #expr, \ |
| __FILE__, __LINE__); \ |
| LIBUSB_TEST_CLEAN_EXIT(TEST_STATUS_FAILURE); \ |
| } \ |
| } while (0) |
| |
| /** |
| * Use relational operatator to compare two values and fail the test if the |
| * comparison is false. Intended to compare integer or pointer types. |
| * |
| * Example: LIBUSB_EXPECT(==, 0, 1) -> fail, LIBUSB_EXPECT(==, 0, 0) -> ok. |
| */ |
| #define LIBUSB_EXPECT(operator, lhs, rhs) \ |
| do { \ |
| int64_t _lhs = (lhs), _rhs = (rhs); \ |
| if (!(_lhs operator _rhs)) { \ |
| libusb_testlib_logf("Expected %s (%" PRId64 ") " #operator \ |
| " %s (%" PRId64 ") at %s:%d", #lhs, \ |
| (int64_t)(intptr_t)_lhs, #rhs, \ |
| (int64_t)(intptr_t)_rhs, __FILE__, \ |
| __LINE__); \ |
| LIBUSB_TEST_CLEAN_EXIT(TEST_STATUS_FAILURE); \ |
| } \ |
| } while (0) |
| |
| |
| extern uint32_t libusb_testonly_fake_running_version; |
| extern int libusb_testonly_using_running_interface_version; |
| extern int libusb_testonly_using_running_device_version; |
| extern bool libusb_testonly_clear_running_version_cache; |
| |
| static libusb_testlib_result test_macos_version_fallback(void) { |
| libusb_context *test_ctx = NULL; |
| libusb_testonly_fake_running_version = 100001; |
| libusb_testonly_clear_running_version_cache = true; |
| |
| LIBUSB_TEST_RETURN_ON_ERROR(libusb_init_context(&test_ctx, /*options=*/NULL, |
| /*num_options=*/0)); |
| LIBUSB_EXPECT(==, libusb_testonly_using_running_interface_version, 220); |
| LIBUSB_EXPECT(==, libusb_testonly_using_running_device_version, 197); |
| |
| libusb_exit(test_ctx); |
| test_ctx = NULL; |
| |
| libusb_testonly_fake_running_version = 100900; |
| |
| LIBUSB_TEST_RETURN_ON_ERROR(libusb_init_context(&test_ctx, /*options=*/NULL, |
| /*num_options=*/0)); |
| LIBUSB_EXPECT(==, libusb_testonly_using_running_interface_version, 650); |
| LIBUSB_EXPECT(==, libusb_testonly_using_running_device_version, 650); |
| |
| libusb_exit(test_ctx); |
| test_ctx = NULL; |
| |
| libusb_testonly_fake_running_version = 101200; |
| |
| LIBUSB_TEST_RETURN_ON_ERROR(libusb_init_context(&test_ctx, /*options=*/NULL, |
| /*num_options=*/0)); |
| LIBUSB_EXPECT(==, libusb_testonly_using_running_interface_version, 800); |
| LIBUSB_EXPECT(==, libusb_testonly_using_running_device_version, 650); |
| |
| libusb_exit(test_ctx); |
| test_ctx = NULL; |
| |
| // Test a version smaller than 10.0. Initialization should fail. |
| libusb_testonly_fake_running_version = 99999; |
| |
| int error = libusb_init_context(&test_ctx, /*options=*/NULL, |
| /*num_options=*/0); |
| LIBUSB_EXPECT(!=, error, LIBUSB_SUCCESS); |
| |
| |
| LIBUSB_TEST_CLEAN_EXIT(TEST_STATUS_SUCCESS); |
| } |
| |
| static const libusb_testlib_test tests[] = { |
| { "test_macos_version_fallback", &test_macos_version_fallback }, |
| LIBUSB_NULL_TEST |
| }; |
| |
| int main(int argc, char *argv[]) |
| { |
| return libusb_testlib_run_tests(argc, argv, tests); |
| } |