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/*
* Copyright 2019 Arnaud Gelas <arnaud.gelas@sensefly.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include <cmocka.h>
#include <cmocka_private.h>
/* A test case that does check if float is equal. */
static void float_test_success(void **state)
{
(void)state; /* unused */
assert_float_equal(0.5f, 1.f / 2.f, 0.000001f);
assert_float_not_equal(0.5, 0.499f, 0.000001f);
/* Check that finite numbers do not test equal to INFINITY or NAN */
assert_float_not_equal(123.f, INFINITY, 0.0f);
assert_float_not_equal(123.f, -INFINITY, 0.0f);
assert_float_not_equal(123.f, NAN, 0.0f);
assert_float_not_equal(123.f, -NAN, 0.0f);
/* Check that INFINITY and NAN test equal to themselves */
assert_float_equal(INFINITY, INFINITY, 0.0f);
assert_float_equal(-INFINITY, -INFINITY, 0.0f);
assert_float_equal(NAN, NAN, 0.0f);
assert_float_equal(-NAN, -NAN, 0.0f);
/* Check that NAN sign doesn't matter in equality test */
assert_float_equal(NAN, -NAN, 0.0f);
/* Check that INFINITY sign does matter in equality test */
assert_float_not_equal(INFINITY, -INFINITY, 0.0f);
}
int main(void) {
const struct CMUnitTest tests[] = {
cmocka_unit_test(float_test_success),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}
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