diff options
Diffstat (limited to 'dirent/tests/t-dirent.c')
| -rw-r--r-- | dirent/tests/t-dirent.c | 608 |
1 files changed, 608 insertions, 0 deletions
diff --git a/dirent/tests/t-dirent.c b/dirent/tests/t-dirent.c new file mode 100644 index 0000000..95f151a --- /dev/null +++ b/dirent/tests/t-dirent.c @@ -0,0 +1,608 @@ +/* + * A test program to make sure that dirent works correctly. + * + * Copyright (C) 1998-2019 Toni Ronkko + * This file is part of dirent. Dirent may be freely distributed + * under the MIT license. For all details and documentation, see + * https://github.com/tronkko/dirent + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef _MSC_VER +# include <direct.h> +# define chdir(x) _chdir(x) +#else +# include <unistd.h> +#endif +#include <sys/stat.h> +#include <dirent.h> +#include <errno.h> + +#undef NDEBUG +#include <assert.h> + +static void test_macros(void); +static void test_retrieval(void); +static void test_nonexistent(void); +static void test_isfile(void); +static void test_zero(void); +static void test_rewind(void); +static void test_chdir(void); +static void test_filename(void); +static void test_readdir(void); +static void test_wreaddir(void); + +int +main(int argc, char *argv[]) +{ + (void) argc; + (void) argv; + + /* Execute tests */ + test_macros(); + test_retrieval(); + test_nonexistent(); + test_isfile(); + test_zero(); + test_rewind(); + test_chdir(); + test_filename(); + test_readdir(); + test_wreaddir(); + + printf("OK\n"); + return EXIT_SUCCESS; +} + +/* Test file type macros */ +static void +test_macros(void) +{ + assert(DTTOIF(DT_REG) == S_IFREG); + assert(DTTOIF(DT_DIR) == S_IFDIR); + assert(DTTOIF(DT_FIFO) == S_IFIFO); + assert(DTTOIF(DT_SOCK) == S_IFSOCK); + assert(DTTOIF(DT_CHR) == S_IFCHR); + assert(DTTOIF(DT_BLK) == S_IFBLK); + + assert(IFTODT(S_IFREG) == DT_REG); + assert(IFTODT(S_IFDIR) == DT_DIR); + assert(IFTODT(S_IFIFO) == DT_FIFO); + assert(IFTODT(S_IFSOCK) == DT_SOCK); + assert(IFTODT(S_IFCHR) == DT_CHR); + assert(IFTODT(S_IFBLK) == DT_BLK); +} + +/* Test basic directory retrieval */ +static void +test_retrieval(void) +{ + /* Open directory */ + DIR *dir = opendir("tests/1"); + if (dir == NULL) { + fprintf(stderr, "Directory tests/1 not found\n"); + abort(); + } + + /* Read entries */ + struct dirent *ent; + int found = 0; + while ((ent = readdir(dir)) != NULL) { + /* Check each file */ + if (strcmp(ent->d_name, ".") == 0) { + /* Directory itself */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(ent->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(ent->d_namlen == 1); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(ent) == 1); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(ent) > 1); +#endif + found += 1; + } else if (strcmp(ent->d_name, "..") == 0) { + /* Parent directory */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(ent->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(ent->d_namlen == 2); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(ent) == 2); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(ent) > 2); +#endif + found += 2; + } else if (strcmp(ent->d_name, "file") == 0) { + /* Regular file */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(ent->d_type == DT_REG); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(ent->d_namlen == 4); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(ent) == 4); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(ent) > 4); +#endif + found += 4; + } else if (strcmp(ent->d_name, "dir") == 0) { + /* Just a directory */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(ent->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(ent->d_namlen == 3); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(ent) == 3); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(ent) > 3); +#endif + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file %s\n", ent->d_name); + abort(); + } + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + closedir(dir); +} + +/* Function opendir() fails if directory doesn't exist */ +static void +test_nonexistent(void) +{ + DIR *dir = opendir("tests/invalid"); + assert(dir == NULL); + assert(errno == ENOENT); +} + +/* Function opendir() fails if pathname is really a file */ +static void +test_isfile(void) +{ + DIR *dir = opendir("tests/1/file"); + assert(dir == NULL); + assert(errno == ENOTDIR); +} + +/* Function opendir() fails if pathname is a zero-length string */ +static void +test_zero(void) +{ + DIR *dir = opendir(""); + assert(dir == NULL); + assert(errno == ENOENT); +} + +/* Test rewind of directory stream */ +static void +test_rewind(void) +{ + /* Open directory */ + DIR *dir = opendir("tests/1"); + assert(dir != NULL); + + /* Read entries */ + int found = 0; + struct dirent *ent; + while ((ent = readdir(dir)) != NULL) { + /* Check each file */ + if (strcmp(ent->d_name, ".") == 0) { + /* Directory itself */ + found += 1; + } else if (strcmp(ent->d_name, "..") == 0) { + /* Parent directory */ + found += 2; + } else if (strcmp(ent->d_name, "file") == 0) { + /* Regular file */ + found += 4; + } else if (strcmp(ent->d_name, "dir") == 0) { + /* Just a directory */ + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file %s\n", ent->d_name); + abort(); + } + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + /* Rewind stream and read entries again */ + rewinddir(dir); + found = 0; + + /* Read entries */ + while ((ent = readdir(dir)) != NULL) { + /* Check each file */ + if (strcmp(ent->d_name, ".") == 0) { + /* Directory itself */ + found += 1; + } else if (strcmp(ent->d_name, "..") == 0) { + /* Parent directory */ + found += 2; + } else if (strcmp(ent->d_name, "file") == 0) { + /* Regular file */ + found += 4; + } else if (strcmp(ent->d_name, "dir") == 0) { + /* Just a directory */ + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file %s\n", ent->d_name); + abort(); + } + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + closedir(dir); +} + +/* Test rewind with intervening change of working directory */ +static void +test_chdir(void) +{ + /* Open directory */ + DIR *dir = opendir("tests/1"); + assert(dir != NULL); + + /* Read entries */ + struct dirent *ent; + int found = 0; + while ((ent = readdir(dir)) != NULL) { + /* Check each file */ + if (strcmp(ent->d_name, ".") == 0) { + /* Directory itself */ + found += 1; + } else if (strcmp(ent->d_name, "..") == 0) { + /* Parent directory */ + found += 2; + } else if (strcmp(ent->d_name, "file") == 0) { + /* Regular file */ + found += 4; + } else if (strcmp(ent->d_name, "dir") == 0) { + /* Just a directory */ + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file %s\n", ent->d_name); + abort(); + } + + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + /* Change working directory */ + int errorcode = chdir("tests"); + assert(errorcode == 0); + + /* Rewind stream and read entries again */ + rewinddir(dir); + found = 0; + + /* Read entries */ + while ((ent = readdir(dir)) != NULL) { + /* Check each file */ + if (strcmp(ent->d_name, ".") == 0) { + /* Directory itself */ + found += 1; + } else if (strcmp(ent->d_name, "..") == 0) { + /* Parent directory */ + found += 2; + } else if (strcmp(ent->d_name, "file") == 0) { + /* Regular file */ + found += 4; + } else if (strcmp(ent->d_name, "dir") == 0) { + /* Just a directory */ + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file %s\n", ent->d_name); + abort(); + } + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + /* Restore working directory */ + errorcode = chdir(".."); + assert(errorcode == 0); + + closedir(dir); +} + +/* Test long file name */ +static void +test_filename(void) +{ + /* Open directory */ + DIR *dir = opendir("tests/2"); + if (dir == NULL) { + fprintf(stderr, "Directory tests/2 not found\n"); + abort(); + } + + /* Read entries */ + struct dirent *ent; + int found = 0; + while ((ent = readdir(dir)) != NULL) { + /* Check each file */ + if (strcmp(ent->d_name, ".") == 0) { + /* Directory itself */ + found += 1; + } else if (strcmp(ent->d_name, "..") == 0) { + /* Parent directory */ + found += 2; + } else if (strcmp(ent->d_name, "file.txt") == 0) { + /* Regular 8+3 filename */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(ent->d_type == DT_REG); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(ent->d_namlen == 8); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(ent) == 8); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(ent) > 8); +#endif + found += 4; + } else if (strcmp(ent->d_name, "Testfile-1.2.3.dat") == 0) { + /* Long file name with multiple dots */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(ent->d_type == DT_REG); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(ent->d_namlen == 18); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(ent) == 18); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(ent) > 18); +#endif + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file %s\n", ent->d_name); + abort(); + } + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + closedir(dir); +} + +/* Test basic directory retrieval with readdir_r */ +static void +test_readdir(void) +{ + /* Open directory */ + DIR *dir = opendir("tests/1"); + if (dir == NULL) { + fprintf(stderr, "Directory tests/1 not found\n"); + abort(); + } + + /* Read entries to table */ + struct dirent ent[10]; + struct dirent *entry; + size_t i = 0; + size_t n = 0; + while (readdir_r(dir, &ent[n], &entry) == /*OK*/0 && entry != 0) { + n++; + assert(n <= 4); + } + + /* Make sure that we got all the files from directory */ + assert(n == 4); + + /* Check entries in memory */ + int found = 0; + for (i = 0; i < 4; i++) { + entry = &ent[i]; + + /* Check each file */ + if (strcmp(entry->d_name, ".") == 0) { + /* Directory itself */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 1); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 1); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 1); +#endif + found += 1; + } else if (strcmp(entry->d_name, "..") == 0) { + /* Parent directory */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 2); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 2); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 2); +#endif + found += 2; + } else if (strcmp(entry->d_name, "file") == 0) { + /* Regular file */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_REG); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 4); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 4); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 4); +#endif + found += 4; + } else if (strcmp(entry->d_name, "dir") == 0) { + /* Just a directory */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 3); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 3); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 3); +#endif + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file %s\n", entry->d_name); + abort(); + } + + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + closedir(dir); +} + +/* Basic directory retrieval with _wreaddir_r */ +static void +test_wreaddir(void) +{ +#ifdef WIN32 + /* Open directory */ + _WDIR *dir = _wopendir(L"tests/1"); + if (dir == NULL) { + fprintf(stderr, "Directory tests/1 not found\n"); + abort(); + } + + /* Read entries to table */ + struct _wdirent ent[10]; + struct _wdirent *entry; + size_t i = 0; + size_t n = 0; + while (_wreaddir_r(dir, &ent[n], &entry) == /*OK*/0 && entry != 0) { + n++; + assert(n <= 4); + } + + /* Make sure that we got all the files from directory */ + assert(n == 4); + + /* Check entries in memory */ + int found = 0; + for (i = 0; i < 4; i++) { + entry = &ent[i]; + + /* Check each file */ + if (wcscmp(entry->d_name, L".") == 0) { + /* Directory itself */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 1); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 1); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 1); +#endif + found += 1; + } else if (wcscmp(entry->d_name, L"..") == 0) { + /* Parent directory */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 2); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 2); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 2); +#endif + found += 2; + } else if (wcscmp(entry->d_name, L"file") == 0) { + /* Regular file */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_REG); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 4); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 4); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 4); +#endif + found += 4; + } else if (wcscmp(entry->d_name, L"dir") == 0) { + /* Just a directory */ +#ifdef _DIRENT_HAVE_D_TYPE + assert(entry->d_type == DT_DIR); +#endif +#ifdef _DIRENT_HAVE_D_NAMLEN + assert(entry->d_namlen == 3); +#endif +#ifdef _D_EXACT_NAMLEN + assert(_D_EXACT_NAMLEN(entry) == 3); +#endif +#ifdef _D_ALLOC_NAMLEN + assert(_D_ALLOC_NAMLEN(entry) > 3); +#endif + found += 8; + } else { + /* Other file */ + fprintf(stderr, "Unexpected file\n"); + abort(); + } + } + + /* Make sure that all files were found */ + assert(found == 0xf); + + _wclosedir(dir); +#endif +} |