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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 <stdlib.h>
#include <stdio.h>
#include <inttypes.h>
#include "libusbi.h"
#include "libusb_testlib.h"
#if defined(_WIN32) && !defined(__CYGWIN__)
#include <winbase.h>
static int unsetenv(const char *env) {
return _putenv_s(env, "");
}
#endif
#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 = (int64_t)(intptr_t)(lhs), _rhs = (int64_t)(intptr_t)(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)
static libusb_testlib_result test_init_context_basic(void) {
libusb_context *test_ctx = NULL;
/* test basic functionality */
LIBUSB_TEST_RETURN_ON_ERROR(libusb_init_context(&test_ctx, /*options=*/NULL,
/*num_options=*/0));
LIBUSB_TEST_CLEAN_EXIT(TEST_STATUS_SUCCESS);
}
static libusb_testlib_result test_init_context_log_level(void) {
libusb_context *test_ctx = NULL;
struct libusb_init_option options[] = {
{
.option = LIBUSB_OPTION_LOG_LEVEL,
.value = {
.ival = LIBUSB_LOG_LEVEL_ERROR,
},
}
};
/* test basic functionality */
LIBUSB_TEST_RETURN_ON_ERROR(libusb_init_context(&test_ctx, options,
/*num_options=*/1));
#if defined(ENABLE_LOGGING) && !defined(ENABLE_DEBUG_LOGGING)
LIBUSB_EXPECT(==, test_ctx->debug, LIBUSB_LOG_LEVEL_ERROR);
#endif
LIBUSB_TEST_CLEAN_EXIT(TEST_STATUS_SUCCESS);
}
static void LIBUSB_CALL test_log_cb(libusb_context *ctx, enum libusb_log_level level,
const char *str) {
UNUSED(ctx);
UNUSED(level);
UNUSED(str);
}
static libusb_testlib_result test_init_context_log_cb(void) {
libusb_context *test_ctx = NULL;
struct libusb_init_option options[] = {
{
.option = LIBUSB_OPTION_LOG_CB,
.value = {
.log_cbval = (libusb_log_cb) &test_log_cb,
},
}
};
/* test basic functionality */
LIBUSB_TEST_RETURN_ON_ERROR(libusb_init_context(&test_ctx, options,
/*num_options=*/1));
#if defined(ENABLE_LOGGING) && !defined(ENABLE_DEBUG_LOGGING)
LIBUSB_EXPECT(==, test_ctx->log_handler, test_log_cb);
#endif
LIBUSB_TEST_CLEAN_EXIT(TEST_STATUS_SUCCESS);
}
static const libusb_testlib_test tests[] = {
{ "test_init_context_basic", &test_init_context_basic },
{ "test_init_context_log_level", &test_init_context_log_level },
{ "test_init_context_log_cb", &test_init_context_log_cb },
LIBUSB_NULL_TEST
};
int main(int argc, char *argv[])
{
return libusb_testlib_run_tests(argc, argv, tests);
}
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