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74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
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* Copyright (C) 2022 Otto-von-Guericke-Universität Magdeburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#include <limits.h>
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#include "container.h"
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#include "embUnit.h"
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#include "mbox.h"
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#include "tests-core.h"
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#define QUEUE_SIZE 8
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static unsigned gen_val(unsigned i) {
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return i + 1337;
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}
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static void test_mbox_put_get(void)
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{
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mbox_t mbox;
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msg_t queue[QUEUE_SIZE];
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msg_t msg = { .type = 0 };
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mbox_init(&mbox, queue, ARRAY_SIZE(queue));
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TEST_ASSERT_EQUAL_INT(0, mbox_avail(&mbox));
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/* Filling the queue up to capacity one item at a time. This should
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* succeed every single time. */
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for (unsigned i = 0; i < ARRAY_SIZE(queue); i++) {
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msg.type = i;
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msg.content.value = gen_val(i);
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TEST_ASSERT_EQUAL_INT(1, mbox_try_put(&mbox, &msg));
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}
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/* Adding one item over capacity must fail. */
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msg.type = 4242;
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msg.content.value = 4242;
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TEST_ASSERT_EQUAL_INT(0, mbox_try_put(&mbox, &msg));
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/* The queue must contain the items we filled in and in that order. */
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for (unsigned i = 0; i < ARRAY_SIZE(queue); i++) {
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TEST_ASSERT_EQUAL_INT(i, queue[i].type);
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TEST_ASSERT_EQUAL_INT(gen_val(i), queue[i].content.value);
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}
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/* Now we drain the queue one item at a time. We expect to get the exact
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* items we filled in and in that order. */
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for (unsigned i = 0; i < ARRAY_SIZE(queue); i++) {
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TEST_ASSERT_EQUAL_INT(1, mbox_try_get(&mbox, &msg));
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TEST_ASSERT_EQUAL_INT(i, msg.type);
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TEST_ASSERT_EQUAL_INT(gen_val(i), msg.content.value);
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}
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/* The queue is now empty. Getting one more item (non-blocking) must fail */
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TEST_ASSERT_EQUAL_INT(0, mbox_try_get(&mbox, &msg));
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}
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Test *tests_core_mbox_tests(void)
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{
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EMB_UNIT_TESTFIXTURES(fixtures) {
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new_TestFixture(test_mbox_put_get),
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};
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EMB_UNIT_TESTCALLER(core_mbox_tests, NULL, NULL, fixtures);
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return (Test *)&core_mbox_tests;
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}
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