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138 lines
3.0 KiB
C
138 lines
3.0 KiB
C
/*
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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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 <stdint.h>
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#include <string.h>
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#include "embUnit.h"
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#include "bitfield.h"
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static void test_bf_get_unset_empty(void)
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{
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int res = 0;
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uint8_t field[5];
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memset(field, 0, sizeof(field));
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res = bf_get_unset(field, 0);
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TEST_ASSERT_EQUAL_INT(-1, res);
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memset(field, 0, sizeof(field));
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res = bf_get_unset(field, 1);
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TEST_ASSERT_EQUAL_INT(0, res);
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memset(field, 0, sizeof(field));
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res = bf_get_unset(field, 3);
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TEST_ASSERT_EQUAL_INT(0, res);
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memset(field, 0, sizeof(field));
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res = bf_get_unset(field, 8);
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TEST_ASSERT_EQUAL_INT(0, res);
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memset(field, 0, sizeof(field));
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res = bf_get_unset(field, 9);
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TEST_ASSERT_EQUAL_INT(0, res);
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memset(field, 0, sizeof(field));
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(0, res);
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}
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static void test_bf_get_unset_firstbyte(void)
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{
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int res = 0;
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uint8_t field[5];
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memset(field, 0xff, sizeof(field));
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field[0] = 0x00;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(0, res);
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field[0] = 0x01;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(1, res);
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field[0] = 0x0f;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(4, res);
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field[0] = 0x7f;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(7, res);
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field[0] = 0xff;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(-1, res);
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}
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static void test_bf_get_unset_middle(void)
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{
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int res = 0;
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uint8_t field[5];
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memset(field, 0xff, sizeof(field));
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field[2] = 0x00;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(16, res);
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field[2] = 0x01;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(17, res);
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field[2] = 0x0f;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(20, res);
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field[2] = 0x7f;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(23, res);
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}
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static void test_bf_get_unset_lastbyte(void)
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{
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int res = 0;
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uint8_t field[5];
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memset(field, 0xff, sizeof(field));
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field[4] = 0x00;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(32, res);
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field[4] = 0x01;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(33, res);
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field[4] = 0x0f;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(36, res);
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field[4] = 0x7f;
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res = bf_get_unset(field, 40);
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TEST_ASSERT_EQUAL_INT(39, res);
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}
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Test *tests_bitfield_tests(void)
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{
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EMB_UNIT_TESTFIXTURES(fixtures) {
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new_TestFixture(test_bf_get_unset_empty),
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new_TestFixture(test_bf_get_unset_firstbyte),
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new_TestFixture(test_bf_get_unset_middle),
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new_TestFixture(test_bf_get_unset_lastbyte),
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};
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EMB_UNIT_TESTCALLER(bitfield_tests, NULL, NULL, fixtures);
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return (Test *)&bitfield_tests;
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}
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void tests_bitfield(void)
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{
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TESTS_RUN(tests_bitfield_tests());
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}
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