1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <float.h>
17 #include <math.h>
18 #include <stdlib.h>
19 #include "test.h"
20
21 typedef void (*TEST_FUN)();
22
23 #define EXPECT_DOUBLE_EQ(a, b) \
24 do { \
25 if (!(fabs(a - b) < DBL_EPSILON)) \
26 t_error("%s failed: %f is not equal to %f\n", __func__, a, b); \
27 } while (0)
28
29 /**
30 * @tc.name : atof_0100
31 * @tc.desc : Convert a string to a double
32 * @tc.level : Level 0
33 */
atof_0100()34 void atof_0100()
35 {
36 const char *str = "123456.00";
37 double result = atof(str);
38 EXPECT_DOUBLE_EQ(result, 123456.00);
39 }
40
41 TEST_FUN G_Fun_Array[] = {
42 atof_0100,
43 };
44
main(int argc,char * argv[])45 int main(int argc, char *argv[])
46 {
47 int num = sizeof(G_Fun_Array) / sizeof(TEST_FUN);
48 for (int pos = 0; pos < num; ++pos) {
49 G_Fun_Array[pos]();
50 }
51
52 return t_status;
53 }