1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <stdlib.h>
18 #include <string.h>
19 #include <unistd.h>
20 
21 #include <string>
22 
23 #include <android-base/file.h>
24 #include <gtest/gtest.h>
25 
26 #include "libdebuggerd/open_files_list.h"
27 
28 // Check that we can produce a list of open files for the current process, and
29 // that it includes a known open file.
TEST(OpenFilesListTest,BasicTest)30 TEST(OpenFilesListTest, BasicTest) {
31   // Open a temporary file that we can check for in the list of open files.
32   TemporaryFile tf;
33 
34   // Get the list of open files for this process.
35   OpenFilesList list;
36   populate_open_files_list(&list, getpid());
37 
38   // Verify our open file is in the list.
39   bool found = false;
40   for (auto& file : list) {
41     if (file.first == tf.fd) {
42       EXPECT_EQ(file.second.path.value_or(""), std::string(tf.path));
43       found = true;
44       break;
45     }
46   }
47   EXPECT_TRUE(found);
48 }
49