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/* Copyright 2020 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.
*/
#include "task.h"
#include "test_util.h"
static uint32_t interrupt_disable_count;
static uint32_t interrupt_enable_count;
/** Mock implementation of interrupt_disable. */
void interrupt_disable(void)
{
++interrupt_disable_count;
}
/** Mock implementation of interrupt_enable. */
void interrupt_enable(void)
{
++interrupt_enable_count;
}
static int test_simple_lock_unlock(void)
{
uint32_t key = irq_lock();
irq_unlock(key);
TEST_EQ(interrupt_disable_count, 1, "%u");
TEST_EQ(interrupt_enable_count, 1, "%u");
return EC_SUCCESS;
}
static int test_unlock_when_all_keys_removed(void)
{
uint32_t key0 = irq_lock();
uint32_t key1 = irq_lock();
TEST_EQ(interrupt_disable_count, 2, "%u");
irq_unlock(key1);
TEST_EQ(interrupt_enable_count, 0, "%u");
irq_unlock(key0);
TEST_EQ(interrupt_enable_count, 1, "%u");
return EC_SUCCESS;
}
static int test_unlock_from_root_key(void)
{
uint32_t key0 = irq_lock();
uint32_t key1 = irq_lock();
TEST_NE(key0, key1, "%u");
TEST_EQ(interrupt_disable_count, 2, "%u");
irq_unlock(key0);
TEST_EQ(interrupt_enable_count, 1, "%u");
return EC_SUCCESS;
}
void before_test(void)
{
interrupt_disable_count = 0;
interrupt_enable_count = 0;
}
void run_test(int argc, char **argv)
{
test_reset();
RUN_TEST(test_simple_lock_unlock);
RUN_TEST(test_unlock_when_all_keys_removed);
RUN_TEST(test_unlock_from_root_key);
test_print_result();
}
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