1 /*
2  * Copyright (c) 2020-2021 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 "gtest/gtest.h"
17 #include <climits>
18 #include "demo.h"
19 using namespace std;
20 using namespace testing::ext;
21 
22 class Demo : public testing::Test {
23 protected:
24     // SetUpTestCase:测试套预置动作,在第一个TestCase之前执行
SetUpTestCase(void)25     static void SetUpTestCase(void) {}
26     // TearDownTestCase:测试套清理动作,在最后一个TestCase之后执行
TearDownTestCase(void)27     static void TearDownTestCase(void) {}
28     // 用例的预置动作
SetUp()29     virtual void SetUp() {}
30     // 用例的清理动作
TearDown()31     virtual void TearDown() {}
32 };
33 
34 
35 // Return the sum of n.  If n is negative, return 0.
Sum(int n)36 static int Sum(int n)
37 {
38     if (n <= 0) {
39         return 0;
40     }
41     int sum = 0;
42     for (int i = 1; i <= n; i++) {
43         sum += i;
44     }
45     return sum;
46 }
47 
48 /**
49  * @tc.number    : TEST_CASE_100
50  * @tc.name      : Demo test
51  * @tc.desc      : [C- SOFTWARE -0200]
52  */
HWTEST_F(Demo, Negative, Function | MediumTest | Level0)53 HWTEST_F(Demo, Negative, Function | MediumTest | Level0) {
54     EXPECT_EQ(NUM0, Sum(NG_NUM5));
55     EXPECT_EQ(NUM0, Sum(NG_NUM1));
56 }
57 
58 /**
59  * @tc.number    : TEST_CASE_200
60  * @tc.name      : Demo test
61  * @tc.desc      : [C- SOFTWARE -0200]
62  */
HWTEST_F(Demo, Zero, Function | MediumTest | Level0)63 HWTEST_F(Demo, Zero, Function | MediumTest | Level0) {
64     EXPECT_EQ(NUM0, Sum(NUM0));
65 }
66 
67 /**
68  * @tc.number    : TEST_CASE_300
69  * @tc.name      : Demo test
70  * @tc.desc      : [C- SOFTWARE -0200]
71  */
HWTEST_F(Demo, Positive, Function | MediumTest | Level0)72 HWTEST_F(Demo, Positive, Function | MediumTest | Level0) {
73     EXPECT_EQ(NUM1, Sum(NUM1));
74     EXPECT_EQ(NUM45, Sum(NUM10));
75     EXPECT_EQ(NUM4950, Sum(NUM100));
76 }
77