From 726ac243f051f0daee6149db66ac21ba621fb454 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Thu, 15 Mar 2007 08:45:19 -0500 Subject: Add fs-tests from Adrian Hunter Signed-off-by: Adrian Hunter Signed-off-by: Josh Boyer --- tests/fs-tests/simple/test_2.c | 201 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 tests/fs-tests/simple/test_2.c (limited to 'tests/fs-tests/simple/test_2.c') diff --git a/tests/fs-tests/simple/test_2.c b/tests/fs-tests/simple/test_2.c new file mode 100644 index 0000000..2094460 --- /dev/null +++ b/tests/fs-tests/simple/test_2.c @@ -0,0 +1,201 @@ +/* + * Copyright (C) 2007 Nokia Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + * Author: Adrian Hunter + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "tests.h" + +void test_2(void) +{ + pid_t pid; + int create, full; + unsigned i, number_of_files; + unsigned growth; + unsigned size; + uint64_t big_file_size; + int fd; + off_t offset; + char dir_name[256]; + + /* Create a directory to test in */ + pid = getpid(); + tests_cat_pid(dir_name, "test_2_test_dir_", pid); + if (chdir(dir_name) == -1) + CHECK(mkdir(dir_name, 0777) != -1); + CHECK(chdir(dir_name) != -1); + /* Create up to 1000 files appending 400 bytes at a time to each file */ + /* until the file system is full.*/ + create = 1; + full = 0; + number_of_files = 1000; + while (!full) { + for (i = 0; i < number_of_files; ++i) { + growth = tests_append_to_fragment_file(i, 400, create); + if (!growth) { + full = 1; + if (create) + number_of_files = i; + break; + } + } + create = 0; + } + /* Check the files */ + CHECK(tests_count_files_in_dir(".") == number_of_files); + for (i = 0; i < number_of_files; ++i) + tests_check_fragment_file(i); + /* Delete half of them */ + for (i = 1; i < number_of_files; i += 2) + tests_delete_fragment_file(i); + /* Check them again */ + CHECK(tests_count_files_in_dir(".") == (number_of_files + 1) / 2); + for (i = 0; i < number_of_files; i += 2) + tests_check_fragment_file(i); + CHECK(tests_count_files_in_dir(".") == (number_of_files + 1) / 2); + /* Create a big file that fills two thirds of the free space */ + big_file_size = tests_get_big_file_size(2,3); + /* Check the big file */ + tests_create_file("big_file", big_file_size); + CHECK(tests_count_files_in_dir(".") == 1 + (number_of_files + 1) / 2); + tests_check_filled_file("big_file"); + /* Open the big file */ + fd = open("big_file",O_RDWR | tests_maybe_sync_flag()); + CHECK(fd != -1); + /* Delete the big file while it is still open */ + tests_delete_file("big_file"); + /* Check the big file again */ + CHECK(tests_count_files_in_dir(".") == (number_of_files + 1) / 2); + tests_check_filled_file_fd(fd); + + /* Write parts of the files and check them */ + + offset = 100; /* Offset to write at, in the small files */ + size = 200; /* Number of bytes to write at the offset */ + + for (i = 0; i < number_of_files; i += 2) + tests_overwite_fragment_file(i, offset, size); + /* Rewrite the big file entirely */ + tests_write_filled_file(fd, 0, big_file_size); + for (i = 0; i < number_of_files; i += 2) + tests_check_fragment_file(i); + tests_check_filled_file_fd(fd); + + offset = 300; /* Offset to write at, in the small files */ + size = 400; /* Number of bytes to write at the offset */ + + for (i = 0; i < number_of_files; i += 2) + tests_overwite_fragment_file(i, offset, size); + /* Rewrite the big file entirely */ + tests_write_filled_file(fd, 0, big_file_size); + for (i = 0; i < number_of_files; i += 2) + tests_check_fragment_file(i); + tests_check_filled_file_fd(fd); + + offset = 110; /* Offset to write at, in the small files */ + size = 10; /* Number of bytes to write at the offset */ + + for (i = 0; i < number_of_files; i += 2) + tests_overwite_fragment_file(i, offset, size); + /* Rewrite the big file entirely */ + tests_write_filled_file(fd, 0, big_file_size); + for (i = 0; i < number_of_files; i += 2) + tests_check_fragment_file(i); + tests_check_filled_file_fd(fd); + + offset = 10; /* Offset to write at, in the small files */ + size = 1000; /* Number of bytes to write at the offset */ + + for (i = 0; i < number_of_files; i += 2) + tests_overwite_fragment_file(i, offset, size); + /* Rewrite the big file entirely */ + tests_write_filled_file(fd, 0, big_file_size); + for (i = 0; i < number_of_files; i += 2) + tests_check_fragment_file(i); + tests_check_filled_file_fd(fd); + + offset = 0; /* Offset to write at, in the small files */ + size = 100000; /* Number of bytes to write at the offset */ + + for (i = 0; i < number_of_files; i += 2) + tests_overwite_fragment_file(i, offset, size); + /* Rewrite the big file entirely */ + tests_write_filled_file(fd, 0, big_file_size); + for (i = 0; i < number_of_files; i += 2) + tests_check_fragment_file(i); + tests_check_filled_file_fd(fd); + + /* Close the big file*/ + CHECK(close(fd) != -1); + /* Check the small files */ + CHECK(tests_count_files_in_dir(".") == (number_of_files + 1) / 2); + for (i = 0; i < number_of_files; i += 2) + tests_check_fragment_file(i); + /* Delete the small files */ + for (i = 0; i < number_of_files; i += 2) + tests_delete_fragment_file(i); + CHECK(tests_count_files_in_dir(".") == 0); + CHECK(chdir("..") != -1); + CHECK(rmdir(dir_name) != -1); +} + +/* Title of this test */ + +const char *test_2_get_title(void) +{ + return "Repeated write many small files and one big deleted file"; +} + +/* Description of this test */ + +const char *test_2_get_description(void) +{ + return + "Create a directory named test_2_test_dir_pid, where " \ + "pid is the process id. Within that directory, " \ + "create about 1000 files. Append 400 bytes to each until " \ + "the file system is full. Then delete half of them. Then " \ + "create a big file that uses about 2/3 of the remaining free " \ + "space. Get a file descriptor for the big file, and delete " \ + "the big file. Then repeatedly write to the small files " \ + "and the big file. " \ + "Finally delete the big file and directory."; +} + +int main(int argc, char *argv[]) +{ + int run_test; + + /* Handle common arguments */ + run_test = tests_get_args(argc, argv, test_2_get_title(), + test_2_get_description(), "s"); + if (!run_test) + return 1; + /* Change directory to the file system and check it is ok for testing */ + tests_check_test_file_system(); + /* Do the actual test */ + test_2(); + return 0; +} -- cgit v1.2.3