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/* -*- 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 operator 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);
}
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