1 /*
2 * Copyright (C) 2013 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 <gtest/gtest.h>
18
19 #include <mntent.h>
20
TEST(mntent,mntent_smoke)21 TEST(mntent, mntent_smoke) {
22 FILE* fp = setmntent("/proc/mounts", "r");
23 ASSERT_TRUE(fp != NULL);
24
25 ASSERT_TRUE(getmntent(fp) != NULL);
26
27 bool saw_proc = false;
28
29 struct mntent entry;
30 char buf[BUFSIZ];
31 while (getmntent_r(fp, &entry, buf, sizeof(buf)) != NULL) {
32 if (strcmp(entry.mnt_fsname, "proc") == 0 && strcmp(entry.mnt_dir, "/proc") == 0) {
33 saw_proc = true;
34 }
35 }
36
37 ASSERT_TRUE(saw_proc);
38
39 ASSERT_EQ(1, endmntent(fp));
40 }
41
TEST(mntent,hasmntopt)42 TEST(mntent, hasmntopt) {
43 // indices 1 1
44 // of keys: 0 5 9 1 4
45 char mnt_opts[]{"aa=b,a=b,b,bb,c=d"};
46 struct mntent ent;
47 memset(&ent, 0, sizeof(ent));
48 ent.mnt_opts = mnt_opts;
49
50 EXPECT_EQ(mnt_opts, hasmntopt(&ent, "aa"));
51 EXPECT_EQ(mnt_opts + 5, hasmntopt(&ent, "a"));
52 EXPECT_EQ(mnt_opts + 9, hasmntopt(&ent, "b"));
53 EXPECT_EQ(mnt_opts + 11, hasmntopt(&ent, "bb"));
54 EXPECT_EQ(mnt_opts + 14, hasmntopt(&ent, "c"));
55 EXPECT_EQ(nullptr, hasmntopt(&ent, "d"));
56 EXPECT_EQ(nullptr, hasmntopt(&ent, "e"));
57 }
58