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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/kernel.h>
#include <zephyr/ztest.h>
#include <zephyr/ztest_assert.h>
#include "usbc_ocp.h"
#include "test/drivers/test_state.h"
#include "timer.h"
/* Tests for USBC OCP (Overcurrent Protection) Common Code */
#define TEST_PORT 0
/* Returns non-zero if state never reached */
static int wait_for_port_latched_off_state(bool state)
{
WAIT_FOR(state == usbc_ocp_is_port_latched_off(TEST_PORT),
5000000, /* 5 Second */
k_sleep(K_MSEC(1)));
return !(state == usbc_ocp_is_port_latched_off(TEST_PORT));
}
static void usbc_ocpc_suite_before_after(void *data)
{
ARG_UNUSED(data);
usbc_ocp_clear_event_counter(TEST_PORT);
zassert_ok(wait_for_port_latched_off_state(false));
}
ZTEST(usbc_ocp, test_events_add_then_clear)
{
for (int i = 0; i < OCP_MAX_CNT - 1; i++) {
zassert_ok(usbc_ocp_add_event(TEST_PORT),
"Could not add ocp event %d", i);
zassert_ok(wait_for_port_latched_off_state(false),
"Max OC events too soon");
}
zassert_ok(usbc_ocp_add_event(TEST_PORT));
zassert_ok(wait_for_port_latched_off_state(true),
"Max OC events too soon");
zassert_ok(usbc_ocp_clear_event_counter(TEST_PORT));
zassert_ok(wait_for_port_latched_off_state(false),
"Max OC events too soon");
}
ZTEST(usbc_ocp, test_bad_port_arguments)
{
zassert_ok(usbc_ocp_is_port_latched_off(-1));
zassert_equal(EC_ERROR_INVAL, usbc_ocp_clear_event_counter(-1));
zassert_equal(EC_ERROR_INVAL, usbc_ocp_add_event(-1));
}
ZTEST_SUITE(usbc_ocp, drivers_predicate_post_main, NULL,
usbc_ocpc_suite_before_after, usbc_ocpc_suite_before_after, NULL);
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