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 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 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
