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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Test USB Type-C VPD and CTVPD module.
*/
#include "common.h"
#include "task.h"
#include "test_util.h"
#include "timer.h"
#include "usb_pd.h"
#include "usb_sm.h"
#include "usb_tc_sm.h"
#include "util.h"
#include "usb_pd_test_util.h"
#include "vpd_api.h"
#ifdef CONFIG_USB_TYPEC_SM
extern const struct test_sm_data test_tc_sm_data[];
extern const int test_tc_sm_data_size;
#else
const struct test_sm_data test_tc_sm_data[] = {};
const int test_tc_sm_data_size;
#endif
#ifdef CONFIG_USB_PRL_SM
extern const struct test_sm_data test_prl_sm_data[];
extern const int test_prl_sm_data_size;
#else
const struct test_sm_data test_prl_sm_data[] = {};
const int test_prl_sm_data_size;
#endif
#ifdef CONFIG_USB_PE_SM
extern const struct test_sm_data test_pe_sm_data[];
extern const int test_pe_sm_data_size;
#else
const struct test_sm_data test_pe_sm_data[] = {};
const int test_pe_sm_data_size;
#endif
test_static int test_no_parent_cycles(const struct test_sm_data *const sm_data)
{
int i;
for (i = 0; i < sm_data->size; ++i) {
int depth = 0;
usb_state_ptr current = &sm_data->base[i];
while (current != NULL && ++depth <= sm_data->size)
current = current->parent;
if (depth > sm_data->size)
break;
}
/* Ensure all states end, otherwise the ith state has a cycle. */
TEST_EQ(i, sm_data->size, "%d");
return EC_SUCCESS;
}
int test_tc_no_parent_cycles(void)
{
int i;
for (i = 0; i < test_tc_sm_data_size; ++i) {
const int rv = test_no_parent_cycles(&test_tc_sm_data[i]);
if (rv) {
ccprintf("TC State machine %d has a cycle!\n", i);
TEST_ASSERT(0);
}
}
return EC_SUCCESS;
}
int test_prl_no_parent_cycles(void)
{
int i;
for (i = 0; i < test_prl_sm_data_size; ++i) {
const int rv = test_no_parent_cycles(&test_prl_sm_data[i]);
if (rv) {
ccprintf("PRL State machine %d has a cycle!\n", i);
TEST_ASSERT(0);
}
}
return EC_SUCCESS;
}
int test_pe_no_parent_cycles(void)
{
int i;
for (i = 0; i < test_pe_sm_data_size; ++i) {
const int rv = test_no_parent_cycles(&test_pe_sm_data[i]);
if (rv) {
ccprintf("PE State machine %d has a cycle!\n", i);
TEST_ASSERT(0);
}
}
return EC_SUCCESS;
}
static volatile int state_printed;
/* Override the implement version of print */
__override void print_current_state(const int port)
{
state_printed = 1;
}
static int test_all_states_named(const struct test_sm_data *const sm_data)
{
int i;
for (i = 0; i < sm_data->size; ++i) {
usb_state_ptr current = &sm_data->base[i];
state_printed = 0;
if (current->entry &&
(i >= sm_data->names_size || sm_data->names[i] == NULL)) {
current->entry(0);
if (state_printed) {
ccprintf("State %d does not have a name!\n", i);
TEST_ASSERT(0);
}
}
}
return EC_SUCCESS;
}
int test_tc_all_states_named(void)
{
int i;
for (i = 0; i < test_tc_sm_data_size; ++i) {
const int rv = test_all_states_named(&test_tc_sm_data[i]);
if (rv) {
ccprintf("TC State machine %d has empty name!\n", i);
TEST_ASSERT(0);
}
}
return EC_SUCCESS;
}
int test_prl_all_states_named(void)
{
int i;
for (i = 0; i < test_prl_sm_data_size; ++i) {
const int rv = test_all_states_named(&test_prl_sm_data[i]);
if (rv) {
ccprintf("PRL State machine %d has empty name!\n", i);
TEST_ASSERT(0);
}
}
return EC_SUCCESS;
}
int test_pe_all_states_named(void)
{
int i;
for (i = 0; i < test_pe_sm_data_size; ++i) {
const int rv = test_all_states_named(&test_pe_sm_data[i]);
if (rv) {
ccprintf("PE State machine %d has empty name!\n", i);
TEST_ASSERT(0);
}
}
return EC_SUCCESS;
}
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