1 /*
2  * Copyright (C) 2019 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 #include <sys/statfs.h>
19 
20 static constexpr const char kUserdata[] = "/data";
21 
TEST(Userdata,Use4KBlocksOnExt4)22 TEST(Userdata, Use4KBlocksOnExt4) {
23   struct statfs buf;
24   ASSERT_EQ(0, statfs(kUserdata, &buf))
25       << "Cannot statfs " << kUserdata << ": " << strerror(errno);
26   if (buf.f_type != EXT4_SUPER_MAGIC) {
27     GTEST_SKIP() << "Skipping block size requirement check on fs 0x" << std::hex
28                  << buf.f_type;
29   }
30   ASSERT_EQ(4096, buf.f_bsize);
31 }
32