aosp12/bionic/tests/mntent_test.cpp

58 lines
1.6 KiB
C++

/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <mntent.h>
TEST(mntent, mntent_smoke) {
FILE* fp = setmntent("/proc/mounts", "r");
ASSERT_TRUE(fp != nullptr);
ASSERT_TRUE(getmntent(fp) != nullptr);
bool saw_proc = false;
struct mntent entry;
char buf[BUFSIZ];
while (getmntent_r(fp, &entry, buf, sizeof(buf)) != nullptr) {
if (strcmp(entry.mnt_fsname, "proc") == 0 && strcmp(entry.mnt_dir, "/proc") == 0) {
saw_proc = true;
}
}
ASSERT_TRUE(saw_proc);
ASSERT_EQ(1, endmntent(fp));
}
TEST(mntent, hasmntopt) {
// indices 1 1
// of keys: 0 5 9 1 4
char mnt_opts[]{"aa=b,a=b,b,bb,c=d"};
struct mntent ent;
memset(&ent, 0, sizeof(ent));
ent.mnt_opts = mnt_opts;
EXPECT_EQ(mnt_opts, hasmntopt(&ent, "aa"));
EXPECT_EQ(mnt_opts + 5, hasmntopt(&ent, "a"));
EXPECT_EQ(mnt_opts + 9, hasmntopt(&ent, "b"));
EXPECT_EQ(mnt_opts + 11, hasmntopt(&ent, "bb"));
EXPECT_EQ(mnt_opts + 14, hasmntopt(&ent, "c"));
EXPECT_EQ(nullptr, hasmntopt(&ent, "d"));
EXPECT_EQ(nullptr, hasmntopt(&ent, "e"));
}