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91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/*
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* Copyright (C) 2019 Freie Universität Berlin.
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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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/**
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* @ingroup unittests
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* @{
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*
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* @file
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* @brief Test scanf with floating-point numbers (scanf_float).
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*
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* @author Juan Carrano <j.carrano@fu-berlin.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include "embUnit/embUnit.h"
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#include "tests-scanf_float.h"
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#define TEST_EASY(name, format, constant) static void test_ ## name (void) \
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{\
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int items;\
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float x = 0;\
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items = sscanf(#constant, format, &x);\
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TEST_ASSERT_EQUAL_INT(items, 1); \
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TEST_ASSERT(x == constant##f);\
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}
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TEST_EASY(f, "%f", 2.71828)
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TEST_EASY(e, "%e", 2.71828)
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TEST_EASY(E, "%E", 2.71828)
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TEST_EASY(g, "%g", 2.71828)
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/* This does not seem to be supported in newlib-nano. */
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/*TEST_EASY(a, "%a", 2.71828)*/
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TEST_EASY(sign, "%f", -.785398)
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static void test_scientific(void)
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{
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int items;
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float x = 0;
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items = sscanf("-3.21e2", "%f", &x);
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TEST_ASSERT_EQUAL_INT(items, 1);
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TEST_ASSERT(x == -321.0f);
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}
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/* This does not seem to be supported in newlib-nano. */
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/*
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static void test_hexa(void)
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{
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int items;
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float x = 0;
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items = sscanf("0xA.A", "%f", &x);
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TEST_ASSERT_EQUAL_INT(items, 1);
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TEST_ASSERT(x == 0xA.Ap0f);
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}
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*/
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Test *tests_scanf_float_tests(void)
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{
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EMB_UNIT_TESTFIXTURES(fixtures) {
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new_TestFixture(test_f),
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new_TestFixture(test_e),
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new_TestFixture(test_E),
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new_TestFixture(test_g),
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/* new_TestFixture(test_a), */
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new_TestFixture(test_sign),
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new_TestFixture(test_scientific),
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/* new_TestFixture(test_hexa), */
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};
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EMB_UNIT_TESTCALLER(scanf_float_tests,
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NULL, NULL,
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fixtures);
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return (Test *)&scanf_float_tests;
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}
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void tests_scanf_float(void)
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{
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TESTS_RUN(tests_scanf_float_tests());
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}
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