1 /* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #include "FileSystemTest.h" 16 #include <stdio.h> 17 #include <string.h> 18 #include <stdlib.h> 19 20 #include <sys/stat.h> 21 #include <sys/types.h> 22 #include <fcntl.h> 23 #include <unistd.h> 24 #include <dirent.h> 25 #include <ftw.h> 26 #include <libgen.h> 27 28 #include <gtest/gtest.h> 29 30 #include "utils.h" 31 #include "log.h" 32 #include "KernelConstants.h" 33 #include "libfs.h" 34 35 using namespace testing::ext; 36 /** 37 * @tc.number SUB_KERNEL_FS_STDLIB_0400 38 * @tc.name basic function test : mktemp create a temporary file name, mkdtemp create a directory 39 * @tc.desc [C- SOFTWARE -0200] 40 */ 41 HWTEST_F(FileSystemTest, testMktempMkdtemp, Function | MediumTest | Level2) 42 { 43 char tmpFileNamePre[] = "tmpFile_XXXXXX"; 44 char tmpFileName[] = "tmpFile_XXXXXX"; 45 EXPECT_NE(mktemp(tmpFileName), nullptr) << "> mktemp errno = " << errno; 46 EXPECT_STRNE(tmpFileName, tmpFileNamePre) << "> tmpFileName no change"; 47 48 char tmpDirName[] = "tmpDir_XXXXXXX"; 49 EXPECT_NE(mkdtemp(tmpDirName), nullptr) << "> mktemp errno = " << errno; 50 EXPECT_NE(remove(tmpDirName), -1) << "> remove errno = " << errno; 51 } 52 53 /** 54 * @tc.number SUB_KERNEL_FS_STDLIB_0500 55 * @tc.name basic function test : Use the realpath function to obtain the path. 56 * @tc.desc [C- SOFTWARE -0200] 57 */ 58 HWTEST_F(FileSystemTest, testRealpath, Function | MediumTest | Level3) 59 { 60 int fd = 0; 61 fd = creat(FILE0, 0777); 62 EXPECT_NE(fd, -1) << "> creat faild errno = " << errno; 63 EXPECT_NE(close(fd), -1) << "> close errno = " << errno; 64 65 // get Absolute Path 66 const char *realPathStandard = TOP_DIR "/" FILE0; 67 char *realPath = (char *)malloc(256); 68 if (realpath(FILE0, realPath) == nullptr) 69 { 70 LOG("> realpath errno == %d", errno); 71 free(realPath); 72 } 73 else 74 { 75 EXPECT_STREQ(realPath, realPathStandard); 76 LOG("> realPath = %s", realPath); 77 free(realPath); 78 } 79 } 80