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      1 /*
      2  * Copyright (C) 2014 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 "TemporaryFile.h"
     19 
     20 #include <ftw.h>
     21 #include <stdlib.h>
     22 #include <sys/stat.h>
     23 
     24 void sanity_check_ftw(const char* fpath, const struct stat* sb, int tflag) {
     25   ASSERT_TRUE(fpath != NULL);
     26   ASSERT_TRUE(sb != NULL);
     27   bool is_dir = S_ISDIR(sb->st_mode);
     28   ASSERT_TRUE((is_dir && tflag == FTW_D) || (!is_dir && tflag == FTW_F));
     29 }
     30 
     31 void sanity_check_nftw(
     32     const char* fpath, const struct stat* sb, int tflag, struct FTW* ftwbuf) {
     33   sanity_check_ftw(fpath, sb, tflag);
     34   // either the parent dir or the file
     35   bool is_dir = S_ISDIR(sb->st_mode);
     36   ASSERT_TRUE(
     37     (is_dir && ftwbuf->level == 0) || (!is_dir && ftwbuf->level == 1));
     38 }
     39 
     40 int check_ftw(const char* fpath, const struct stat* sb, int tflag) {
     41   sanity_check_ftw(fpath, sb, tflag);
     42   return 0;
     43 }
     44 
     45 int check_ftw64(const char* fpath, const struct stat64* sb, int tflag) {
     46   sanity_check_ftw(fpath, reinterpret_cast<const struct stat*>(sb), tflag);
     47   return 0;
     48 }
     49 
     50 int check_nftw(
     51   const char* fpath, const struct stat* sb, int tflag, struct FTW* ftwbuf) {
     52   sanity_check_nftw(fpath, sb, tflag, ftwbuf);
     53   return 0;
     54 }
     55 
     56 int check_nftw64(
     57   const char* fpath, const struct stat64* sb, int tflag, struct FTW* ftwbuf) {
     58   sanity_check_nftw(fpath, reinterpret_cast<const struct stat*>(sb),
     59     tflag, ftwbuf);
     60   return 0;
     61 }
     62 
     63 TEST(ftw, ftw) {
     64   TemporaryDir td;
     65   TemporaryFile tf(td.dirname);
     66   ftw(td.dirname, check_ftw, 1);
     67 }
     68 
     69 TEST(ftw, ftw64) {
     70   TemporaryDir td;
     71   GenericTemporaryFile<mkstemp64> tf(td.dirname);
     72   ftw64(td.dirname, check_ftw64, 1);
     73 }
     74 
     75 TEST(ftw, nftw) {
     76   TemporaryDir td;
     77   TemporaryFile tf(td.dirname);
     78   nftw(td.dirname, check_nftw, 1, 0);
     79 }
     80 
     81 TEST(ftw, nftw64) {
     82   TemporaryDir td;
     83   GenericTemporaryFile<mkstemp64> tf(td.dirname);
     84   nftw64(td.dirname, check_nftw64, 1, 0);
     85 }
     86