84 lines
1.5 KiB
C
84 lines
1.5 KiB
C
/* Copyright 2020 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "task.h"
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#include "test_util.h"
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static uint32_t interrupt_disable_count;
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static uint32_t interrupt_enable_count;
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/** Mock implementation of interrupt_disable. */
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void interrupt_disable(void)
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{
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++interrupt_disable_count;
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}
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/** Mock implementation of interrupt_enable. */
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void interrupt_enable(void)
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{
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++interrupt_enable_count;
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}
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static int test_simple_lock_unlock(void)
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{
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uint32_t key = irq_lock();
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irq_unlock(key);
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TEST_EQ(interrupt_disable_count, 1, "%u");
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TEST_EQ(interrupt_enable_count, 1, "%u");
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return EC_SUCCESS;
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}
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static int test_unlock_when_all_keys_removed(void)
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{
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uint32_t key0 = irq_lock();
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uint32_t key1 = irq_lock();
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TEST_EQ(interrupt_disable_count, 2, "%u");
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irq_unlock(key1);
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TEST_EQ(interrupt_enable_count, 0, "%u");
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irq_unlock(key0);
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TEST_EQ(interrupt_enable_count, 1, "%u");
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return EC_SUCCESS;
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}
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static int test_unlock_from_root_key(void)
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{
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uint32_t key0 = irq_lock();
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uint32_t key1 = irq_lock();
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TEST_NE(key0, key1, "%u");
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TEST_EQ(interrupt_disable_count, 2, "%u");
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irq_unlock(key0);
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TEST_EQ(interrupt_enable_count, 1, "%u");
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return EC_SUCCESS;
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}
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void before_test(void)
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{
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interrupt_disable_count = 0;
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interrupt_enable_count = 0;
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}
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void run_test(int argc, char **argv)
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{
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test_reset();
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RUN_TEST(test_simple_lock_unlock);
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RUN_TEST(test_unlock_when_all_keys_removed);
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RUN_TEST(test_unlock_from_root_key);
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test_print_result();
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}
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