1 /*
2  * Copyright (c) 2021-2024 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 
18 #include "msg_head.h"
19 #include "proto.h"
20 #include "get_device_node.h"
21 
22 namespace OHOS {
23 namespace MMI {
24 namespace {
25 using namespace testing::ext;
26 } // namespace
27 
28 class GetDeviceNodeTest : public testing::Test {
29 public:
SetUpTestCase(void)30     static void SetUpTestCase(void) {}
TearDownTestCase(void)31     static void TearDownTestCase(void) {}
32 };
33 
34 /**
35  * @tc.name:Test_GetDeviceNodeTestCmdError
36  * @tc.desc:Verify ReadDeviceFile function right argument passed in
37  * @tc.type: FUNC
38  * @tc.require:
39  */
40 HWTEST_F(GetDeviceNodeTest, Test_GetDeviceNodeTestCmdError, TestSize.Level1)
41 {
42     GetDeviceNode getDeviceNode;
43     int32_t ret = 0;
44     if (getDeviceNode.ReadDeviceFile().empty()) {
45         ret = -1;
46         EXPECT_EQ(ret, RET_ERR);
47     }
48     EXPECT_GT(ret, 0);
49 }
50 } // namespace MMI
51 } // namespace OHOS