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RIOT/tests/unittests/tests-core/tests-core-cib.c
2017-11-22 18:23:34 +01:00

121 lines
3.1 KiB
C

/*
* Copyright (C) 2014 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
#include <limits.h>
#include "embUnit.h"
#include "cib.h"
#include "tests-core.h"
#define TEST_CIB_SIZE (4)
static cib_t cib;
static void set_up(void)
{
cib_init(&cib, TEST_CIB_SIZE);
}
static void test_cib_put(void)
{
for (unsigned i = 0; i < TEST_CIB_SIZE; i++) {
TEST_ASSERT_EQUAL_INT(i, cib_put(&cib));
}
TEST_ASSERT_EQUAL_INT(-1, cib_put(&cib));
}
static void test_cib_get(void)
{
TEST_ASSERT_EQUAL_INT(-1, cib_get(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_get(&cib));
TEST_ASSERT_EQUAL_INT(-1, cib_get(&cib));
}
static void test_cib_get__overflow(void)
{
/* XXX this is hacky, but bare with me ;-) */
cib.read_count = UINT_MAX;
cib.write_count = UINT_MAX;
TEST_ASSERT_EQUAL_INT(3, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(3, cib_get(&cib));
}
static void test_cib_peek(void)
{
cib_init(&cib, TEST_CIB_SIZE);
TEST_ASSERT_EQUAL_INT(-1, cib_peek(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_peek(&cib));
TEST_ASSERT_EQUAL_INT(1, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_peek(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_get(&cib));
TEST_ASSERT_EQUAL_INT(1, cib_peek(&cib));
TEST_ASSERT_EQUAL_INT(1, cib_get(&cib));
TEST_ASSERT_EQUAL_INT(-1, cib_peek(&cib));
}
static void test_cib_peek__overflow(void)
{
/* XXX this is hacky, but bare with me ;-) */
cib.read_count = UINT_MAX;
cib.write_count = UINT_MAX;
TEST_ASSERT_EQUAL_INT(3, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(3, cib_peek(&cib));
}
static void test_cib_avail(void)
{
TEST_ASSERT_EQUAL_INT(0, cib_avail(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(1, cib_avail(&cib));
TEST_ASSERT_EQUAL_INT(1, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(2, cib_avail(&cib));
}
static void test_empty_cib(void)
{
cib_init(&cib, 0);
TEST_ASSERT_EQUAL_INT(0, cib_avail(&cib));
TEST_ASSERT_EQUAL_INT(-1, cib_get(&cib));
TEST_ASSERT_EQUAL_INT(-1, cib_put(&cib));
}
static void test_singleton_cib(void)
{
cib_init(&cib, 1);
TEST_ASSERT_EQUAL_INT(0, cib_avail(&cib));
TEST_ASSERT_EQUAL_INT(-1, cib_get(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_put(&cib));
TEST_ASSERT_EQUAL_INT(1, cib_avail(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_get(&cib));
TEST_ASSERT_EQUAL_INT(0, cib_avail(&cib));
}
Test *tests_core_cib_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_cib_put),
new_TestFixture(test_cib_get),
new_TestFixture(test_cib_get__overflow),
new_TestFixture(test_cib_avail),
new_TestFixture(test_empty_cib),
new_TestFixture(test_singleton_cib),
new_TestFixture(test_cib_peek),
new_TestFixture(test_cib_peek__overflow),
};
EMB_UNIT_TESTCALLER(core_cib_tests, set_up, NULL, fixtures);
return (Test *)&core_cib_tests;
}