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/Makefile | 26 ++++++ tests/fs-tests/simple/ftrunc.c | 111 +++++++++++++++++++++++ tests/fs-tests/simple/test_1.c | 150 ++++++++++++++++++++++++++++++ tests/fs-tests/simple/test_2.c | 201 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 488 insertions(+) create mode 100644 tests/fs-tests/simple/Makefile create mode 100644 tests/fs-tests/simple/ftrunc.c create mode 100644 tests/fs-tests/simple/test_1.c create mode 100644 tests/fs-tests/simple/test_2.c (limited to 'tests/fs-tests/simple') diff --git a/tests/fs-tests/simple/Makefile b/tests/fs-tests/simple/Makefile new file mode 100644 index 0000000..07ddf65 --- /dev/null +++ b/tests/fs-tests/simple/Makefile @@ -0,0 +1,26 @@ + +ifeq ($(origin CC),default) +CC = gcc +endif + +CFLAGS := $(CFLAGS) -Wall -g -O2 -I../lib + +LDFLAGS := $(LDFLAGS) + +TARGETS = test_1 \ + test_2 \ + ftrunc + +all: $(TARGETS) + +$(TARGETS): ../lib/tests.o + +../lib/tests.o: ../lib/tests.h + +clean: + rm -f *.o $(TARGETS) + +tests: all + ./test_1 --sync + ./test_2 --sync + ./ftrunc diff --git a/tests/fs-tests/simple/ftrunc.c b/tests/fs-tests/simple/ftrunc.c new file mode 100644 index 0000000..86edf65 --- /dev/null +++ b/tests/fs-tests/simple/ftrunc.c @@ -0,0 +1,111 @@ +/* + * 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 +#include + +#include "tests.h" + +#define WRITE_BUFFER_SIZE 32768 + +void ftrunc(void) +{ + int fd, i; + pid_t pid; + ssize_t written; + int64_t remains; + size_t block; + char *file_name; + off_t actual; + char buf[WRITE_BUFFER_SIZE]; + + file_name = "ftrunc_test_file"; + fd = open(file_name, O_CREAT | O_WRONLY, + S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH); + CHECK(fd != -1); + pid = getpid(); + srand(pid); + for (i = 0; i < WRITE_BUFFER_SIZE;++i) + buf[i] = rand(); + remains = tests_size_parameter; + actual = 0; + while (remains > 0) { + if (remains > WRITE_BUFFER_SIZE) + block = WRITE_BUFFER_SIZE; + else + block = remains; + written = write(fd, buf, block); + if (written <= 0) { + CHECK(errno == ENOSPC); /* File system full */ + errno = 0; + break; + } + remains -= written; + actual += written; + } + CHECK(ftruncate(fd, (actual ? actual - 1 : actual)) != -1); + CHECK(close(fd) != -1); + CHECK(unlink(file_name) != -1); +} + +/* Title of this test */ + +const char *ftrunc_get_title(void) +{ + return "Truncate a large test file"; +} + +/* Description of this test */ + +const char *ftrunc_get_description(void) +{ + return + "Create a file named ftrunc_test_file. " \ + "Truncate the file to reduce its length by 1. " \ + "Then remove the truncated file. " + "The size is given by the -z or --size option, " \ + "otherwise it defaults to 1000000."; +} + +int main(int argc, char *argv[]) +{ + int run_test; + + /* Set default test file size */ + tests_size_parameter = 1000000; + + /* Handle common arguments */ + run_test = tests_get_args(argc, argv, ftrunc_get_title(), + ftrunc_get_description(), "z"); + 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 */ + ftrunc(); + return 0; +} diff --git a/tests/fs-tests/simple/test_1.c b/tests/fs-tests/simple/test_1.c new file mode 100644 index 0000000..69eafe4 --- /dev/null +++ b/tests/fs-tests/simple/test_1.c @@ -0,0 +1,150 @@ +/* + * 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_1(void) +{ + int fd; + pid_t pid; + uint64_t i; + uint64_t block; + uint64_t actual_size; + char name[256]; + char old[16]; + char buf[16]; + off_t old_len; + char dir_name[256]; + + /* Create a directory to test in */ + pid = getpid(); + tests_cat_pid(dir_name, "test_1_test_dir_", pid); + if (chdir(dir_name) == -1) + CHECK(mkdir(dir_name, 0777) != -1); + CHECK(chdir(dir_name) != -1); + /* Create a file that fills half the free space on the file system */ + tests_create_file("big_file", tests_get_big_file_size(1,2)); + CHECK(tests_count_files_in_dir(".") == 1); + fd = open("big_file", O_RDWR | tests_maybe_sync_flag()); + CHECK(fd != -1); + CHECK(read(fd, old, 5) == 5); + CHECK(lseek(fd, 0, SEEK_SET) != (off_t) -1); + CHECK(write(fd,"start", 5) == 5); + CHECK(lseek(fd,0,SEEK_END) != (off_t) -1); + CHECK(write(fd, "end", 3) == 3); + tests_maybe_sync(fd); + /* Delete the file while it is still open */ + tests_delete_file("big_file"); + CHECK(tests_count_files_in_dir(".") == 0); + /* Create files to file up the file system */ + for (block = 1000000, i = 1; ; block /= 10) { + while (i != 0) { + sprintf(name, "fill_up_%llu", i); + actual_size = tests_create_file(name, block); + if (actual_size != 0) + ++i; + if (actual_size != block) + break; + } + if (block == 1) + break; + } + /* Check the big file */ + CHECK(lseek(fd, 0, SEEK_SET) != (off_t) -1); + CHECK(read(fd, buf, 5) == 5); + CHECK(strncmp(buf, "start", 5) == 0); + CHECK(lseek(fd, -3, SEEK_END) != (off_t) -1); + CHECK(read(fd, buf, 3) == 3); + CHECK(strncmp(buf, "end", 3) == 0); + /* Check the other files and delete them */ + i -= 1; + CHECK(tests_count_files_in_dir(".") == i); + for (; i > 0; --i) { + sprintf(name, "fill_up_%llu", i); + tests_check_filled_file(name); + tests_delete_file(name); + } + CHECK(tests_count_files_in_dir(".") == 0); + /* Check the big file again */ + CHECK(lseek(fd, 0, SEEK_SET) != (off_t) -1); + CHECK(read(fd, buf, 5) == 5); + CHECK(strncmp(buf, "start", 5) == 0); + CHECK(lseek(fd, -3, SEEK_END) != (off_t) -1); + CHECK(read(fd, buf, 3) == 3); + CHECK(strncmp(buf, "end", 3) == 0); + CHECK(lseek(fd, 0, SEEK_SET) != (off_t) -1); + CHECK(write(fd,old, 5) == 5); + old_len = lseek(fd, -3, SEEK_END); + CHECK(old_len != (off_t) -1); + CHECK(ftruncate(fd,old_len) != -1); + tests_check_filled_file_fd(fd); + /* Close the big file*/ + CHECK(close(fd) != -1); + CHECK(tests_count_files_in_dir(".") == 0); + CHECK(chdir("..") != -1); + CHECK(rmdir(dir_name) != -1); +} + +/* Title of this test */ + +const char *test_1_get_title(void) +{ + return "Fill file system while holding deleted big file descriptor"; +} + +/* Description of this test */ + +const char *test_1_get_description(void) +{ + return + "Create a directory named test_1_test_dir_pid, where " \ + "pid is the process id. Within that directory, " \ + "create a big file (approx. half the file system in size), " \ + "open it, and unlink it. " \ + "Create many smaller files until the file system is full. " \ + "Check the big file is ok. " \ + "Delete all the smaller files. " \ + "Check the big file again. " \ + "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_1_get_title(), + test_1_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_1(); + return 0; +} 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