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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <zephyr/ztest.h>
#include "host_command.h"
#include "test/drivers/test_state.h"
ZTEST_USER(hc_test_protocol, test_echo_max_buffer_size)
{
struct ec_params_test_protocol params = {
/* Actual return length will only be sizeof(response) */
.ret_len = UINT32_MAX,
.buf = { 0 },
.ec_result = EC_SUCCESS,
};
struct ec_response_test_protocol response;
struct host_cmd_handler_args args =
BUILD_HOST_COMMAND(EC_CMD_TEST_PROTOCOL, 0, response, params);
/* Set first and last bytes of input array */
params.buf[0] = 0x1;
params.buf[ARRAY_SIZE(params.buf) - 1] = 0x2;
zassert_ok(host_command_process(&args));
zassert_equal(args.response_size, sizeof(response));
/* Check contents are echoed back in response */
zassert_mem_equal(params.buf, response.buf, sizeof(params.buf));
}
ZTEST_USER(hc_test_protocol, test_echo_min_buffer_size_failing_command)
{
struct ec_params_test_protocol params = {
/* Don't want to have anything echoed back to us */
.ret_len = 0,
.buf = { 0 },
.ec_result = EC_ERROR_TRY_AGAIN,
};
struct ec_response_test_protocol response;
struct host_cmd_handler_args args =
BUILD_HOST_COMMAND(EC_CMD_TEST_PROTOCOL, 0, response, params);
/*
* Set first and last bytes of input array, neither will be written to
* response
*/
params.buf[0] = 0x1;
params.buf[ARRAY_SIZE(params.buf) - 1] = 0x2;
zassert_equal(host_command_process(&args), params.ec_result);
zassert_equal(args.response_size, params.ret_len);
/* Check contents were never echoed back as intended */
zassert_not_equal(response.buf[0], params.buf[0]);
zassert_not_equal(response.buf[ARRAY_SIZE(response.buf) - 1],
params.buf[ARRAY_SIZE(params.buf) - 1]);
}
ZTEST_SUITE(hc_test_protocol, drivers_predicate_post_main, NULL, NULL, NULL,
NULL);
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