tests-printf_float.c
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/*
* Copyright (C) 2016 Freie Universität Berlin
*
* 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.
*/
/**
* @addtogroup unittests
* @{
*
* @file
* @brief Implementations of unit tests for printing floating point numbers
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @}
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "embUnit/embUnit.h"
#include "tests-printf_float.h"
#define BUFSIZE (10)
static const double in0 = 2016.0349;
static const double in1 = 123.4567;
static const double in2 = 0.0;
static void sfprintf_float(void)
{
char tmp[BUFSIZE];
char *str = tmp;
snprintf(str, BUFSIZE, "%f", in0);
TEST_ASSERT_EQUAL_STRING("2016.0349", str);
snprintf(str, BUFSIZE, "%.2f", in0);
TEST_ASSERT_EQUAL_STRING("2016.03", str);
snprintf(str, BUFSIZE, "%.f", in0);
TEST_ASSERT_EQUAL_STRING("2016", str);
snprintf(str, BUFSIZE, "%.4f", in1);
TEST_ASSERT_EQUAL_STRING("123.4567", str);
snprintf(str, BUFSIZE, "%.2f", in1);
TEST_ASSERT_EQUAL_STRING("123.46", str);
snprintf(str, BUFSIZE, "%4.f", in2);
TEST_ASSERT_EQUAL_STRING(" 0", str);
snprintf(str, BUFSIZE, "%.3f", in2);
TEST_ASSERT_EQUAL_STRING("0.000", str);
snprintf(str, BUFSIZE, "%2.04f", in2);
TEST_ASSERT_EQUAL_STRING("0.0000", str);
}
Test *tests_printf_float_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(sfprintf_float)
};
EMB_UNIT_TESTCALLER(pkt_tests, NULL, NULL, fixtures);
return (Test *)&pkt_tests;
}
void tests_printf_float(void)
{
TESTS_RUN(tests_printf_float_tests());
}