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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [psxtests/] [psxfile01/] [test.c] - Rev 30
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/* * Simple test program to exercise some of the basic functionality of * POSIX Files and Directories Support. * * This test assumes that the file system is initialized with the * following directory structure: * * XXXX fill this in. * / * /dev * /dev/XXX [where XXX includes at least console] * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: test.c,v 1.2 2001-09-27 12:02:25 chris Exp $ */ #include <stdio.h> #include <tmacros.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <errno.h> #include <string.h> #include <ctype.h> #include <assert.h> #include <rtems.h> #include <rtems/libio.h> char test_write_buffer[ 1024 ]; /* * File test support routines. */ void test_cat( char *file, int offset_arg, int length ); void test_write( char *file, off_t offset, char *buffer ); void test_extend( char *file, off_t new_len ); void IMFS_dump( void ); int IMFS_memfile_maximum_size( void ); /* * dump_statbuf */ void dump_statbuf( struct stat *buf ) { int major1; int minor1; int major2; int minor2; rtems_filesystem_split_dev_t( buf->st_dev, major1, minor1 ); rtems_filesystem_split_dev_t( buf->st_rdev, major2, minor2 ); printf( "....st_dev (0x%x:0x%x)\n", major1, minor1 ); printf( "....st_ino %x may vary by small amount\n", (unsigned int) buf->st_ino ); printf( "....mode = %08o\n", buf->st_mode ); printf( "....nlink = %d\n", buf->st_nlink ); printf( "....uid = %d\n", buf->st_uid ); printf( "....gid = %d\n", buf->st_gid ); printf( "....atime = %s", ctime(&buf->st_atime) ); printf( "....mtime = %s", ctime(&buf->st_mtime) ); printf( "....ctime = %s", ctime(&buf->st_ctime) ); #if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__) printf( "....st_blksize %x\n", buf.st_blksize ); printf( "....st_blocks %x\n", buf.st_blocks ); #endif } void stat_a_file( const char *file ) { int status; struct stat statbuf; assert( file ); printf( "stat( %s ) returned ", file ); fflush( stdout ); status = stat( file, &statbuf ); if ( status == -1 ) { printf( ": %s\n", strerror( errno ) ); } else { puts(""); dump_statbuf( &statbuf ); } } /* * Main entry point of the test */ #if defined(__rtems__) int test_main(void) #else int main( int argc, char **argv ) #endif { int status; int max_size; int fd; int i; struct stat buf; char buffer[128]; FILE *file; time_t atime1; time_t mtime1; time_t ctime1; time_t atime2; time_t mtime2; time_t ctime2; rtems_status_code rtems_status; rtems_time_of_day time; printf( "\n\n*** FILE TEST 1 ***\n" ); /* * Grab the maximum size of an in-memory file. */ max_size = IMFS_memfile_maximum_size(); build_time( &time, 12, 31, 1988, 9, 0, 0, 0 ); rtems_status = rtems_clock_set( &time ); /* * Dump an empty file system */ IMFS_dump(); /* * Simple stat() of /dev/console. */ puts( "stat of /dev/console" ); status = stat( "/dev/console", &buf ); assert( !status ); dump_statbuf( &buf ); /* * Exercise mkdir() and some path evaluation. */ puts( "" ); puts( "mkdir /dev/tty" ); status = mkdir( "/dev/tty", S_IRWXU ); assert( !status ); puts( "" ); puts( "mkdir /usr" ); status = mkdir( "/usr", S_IRWXU ); assert( !status ); puts( "mkdir /etc" ); status = mkdir( "/etc", S_IRWXU ); assert( !status ); puts( "mkdir /tmp" ); status = mkdir( "/tmp", S_IRWXU ); assert( !status ); /* this tests the ".." path in path name evaluation */ puts( "mkdir /tmp/.." ); status = mkdir( "/tmp/..", S_IRWXU ); assert( status == -1 ); assert( errno == EEXIST ); /* now check out trailing separators */ puts( "mkdir /tmp/" ); status = mkdir( "/tmp/", S_IRWXU ); assert( status == -1 ); assert( errno == EEXIST ); /* try to make a directory under a non-existent subdirectory */ puts( "mkdir /j/j1" ); status = mkdir( "/j/j1", S_IRWXU ); assert( status == -1 ); assert( errno == ENOENT ); /* this tests the ability to make a directory in the current one */ puts( "mkdir tmp" ); status = mkdir( "tmp", S_IRWXU ); assert( status == -1 ); assert( errno == EEXIST ); /* test rtems_filesystem_evaluate_path by sending NULL path */ status = chdir( NULL ); assert( status == -1 ); /* * Now switch gears and exercise rmdir(). */ puts( "" ); puts( "rmdir /usr" ); status = rmdir( "/usr" ); assert( !status ); puts( "rmdir /dev" ); status = rmdir( "/dev" ); assert( status == -1 ); assert( errno == ENOTEMPTY); puts( "rmdir /fred" ); status = rmdir ("/fred"); assert (status == -1); assert( errno == ENOENT ); puts( "mknod /dev/test_console" ); status = mknod( "/dev/test_console", S_IFCHR, 0LL ); assert( !status ); puts( "mknod /dev/tty/S3" ); status = mknod( "/dev/tty/S3", S_IFCHR, 0xFF00000080LL ); assert( !status ); puts ("mknod /etc/passwd"); status = mknod( "/etc/passwd", (S_IFREG | S_IRWXU), 0LL ); assert( !status ); puts( "mkdir /tmp/my_dir"); status = mkdir( "/tmp/my_dir", S_IRWXU ); assert( status == 0 ); puts("mkfifo /c/my_dir" ); status = mkfifo( "/c/my_dir", S_IRWXU ); assert( status == -1 ); /* * Try to make a directory under a file -- ERROR */ puts( "mkdir /etc/passwd/j" ); status = mkdir( "/etc/passwd/j", S_IRWXU ); assert( status == -1 ); assert( errno == ENOTDIR ); /* * Simple open failure case on non-existent file */ puts( "open /tmp/joel - should fail with ENOENT" ); fd = open( "/tmp/joel", O_RDONLY ); assert( fd == -1 ); assert( errno == ENOENT ); /* * Simple open case where the file is created. */ puts( "open /tmp/j" ); fd = open( "/tmp/j", O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO ); assert( fd != -1 ); printf( "open returned file descriptor %d\n", fd ); puts( "close /tmp/j" ); status = close( fd ); assert( !status ); puts( "close /tmp/j again" ); status = close( fd ); assert( status == -1 ); puts( "unlink /tmp/j" ); status = unlink( "/tmp/j" ); assert( !status ); puts( "unlink /tmp" ); status = unlink( "/tmp" ); assert( status ); /* * Simple open failure. Trying to create an existing file. */ puts("create and close /tmp/tom"); fd = open( "/tmp/tom", O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO ); assert( fd != -1 ); status = close( fd ); assert( status == 0 ); puts("Attempt to recreate /tmp/tom"); fd = open( "/tmp/tom", O_CREAT | O_EXCL, S_IRWXU|S_IRWXG|S_IRWXO ); assert( fd == -1 ); assert( errno == EEXIST ); puts("create /tmp/john"); fd = open( "/tmp/john", O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO ); assert( fd != -1 ); puts("tcdrain /tmp/john" ); status = tcdrain( fd ); assert( status == 0 ); /* * Test simple write to a file at offset 0 */ puts( "mknod /tmp/joel" ); status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL ); test_write( "/tmp/joel", 0, "the first write!!!\n" ); test_cat( "/tmp/joel", 0, 0 ); /* * Test simple write to a file at a non-0 offset in the first block */ status = unlink( "/tmp/joel" ); assert( !status ); status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL ); assert( !status ); test_write( "/tmp/joel", 10, "the first write!!!\n" ); test_cat( "/tmp/joel", 0, 0 ); stat_a_file( "/tmp/joel" ); /* * Test simple write to a file at a non-0 offset in the second block. Then * try to read from various offsets and lengths. */ puts("unlink /tmp/joel"); status = unlink( "/tmp/joel" ); assert( !status ); /* Test a failure path */ puts( "unlink /tmp/joel" ); status = unlink( "/tmp/joel" ); assert( status == -1 ); puts( "mknod /tmp/joel"); status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL ); assert( !status ); test_write( "/tmp/joel", 514, "the first write!!!\n" ); test_write( "/tmp/joel", 1, test_write_buffer ); test_write( "/tmp/joel", 63, test_write_buffer ); test_cat( "/tmp/joel", 0, 1 ); test_cat( "/tmp/joel", 1, 1 ); test_cat( "/tmp/joel", 490, 1 ); test_cat( "/tmp/joel", 512, 1 ); test_cat( "/tmp/joel", 513, 1 ); test_cat( "/tmp/joel", 514, 1 ); test_cat( "/tmp/joel", 520, 1 ); test_cat( "/tmp/joel", 1, 1024 ); /* * Read from a much longer file so we can descend into doubly and * triply indirect blocks. */ if ( max_size < 300 * 1024 ) { test_extend( "/tmp/joel", max_size - 1 ); test_cat( "/tmp/joel", max_size / 2, 1024 ); } else { printf( "Skipping maximum file size test since max_size is %d bytes\n", max_size ); puts("That is likely to be bigger than the available RAM on many targets." ); } stat_a_file( "/tmp/joel" ); /* * Now try to use a FILE * descriptor * * /tmp/j should not exist at this point. */ puts( "stat of /tmp/j" ); errno = 0; status = stat( "/tmp/j", &buf ); printf( "stat(/tmp/j) returned %d (errno=%d)\n", status, errno ); dump_statbuf( &buf ); puts( "fopen of /tmp/j" ); file = fopen( "/tmp/j", "w+" ); assert( file ); puts( "fprintf to /tmp/j" ); for (i=1 ; i<=5 ; i++) { status = fprintf( file, "This is call %d to fprintf\n", i ); assert( status ); printf( "(%d) %d characters written to the file\n", i, status ); } fflush( file ); status = stat( "/tmp/j", &buf ); assert( !status ); dump_statbuf( &buf ); atime2 = buf.st_atime; mtime2 = buf.st_mtime; ctime2 = buf.st_ctime; status = rtems_task_wake_after( 1 * TICKS_PER_SECOND ); rewind( file ); while ( fgets(buffer, 128, file) ) printf( "%s", buffer ); /* * Verify only atime changed for a read. */ status = stat( "/tmp/j", &buf ); assert( !status ); dump_statbuf( &buf ); atime1 = buf.st_atime; mtime1 = buf.st_mtime; ctime1 = buf.st_ctime; assert( atime1 != atime2); assert( mtime1 == mtime2); assert( ctime1 == ctime2); IMFS_dump(); unlink( "/tmp/joel" ); /* * Now truncate a file */ status = rtems_task_wake_after( 1 * TICKS_PER_SECOND ); puts( "truncate /tmp/j to length of 40" ); status = truncate( "/tmp/j", 40 ); assert( !status ); /* * Verify truncate changed only atime. */ status = stat( "/tmp/j", &buf ); assert( !status ); dump_statbuf( &buf ); atime2 = buf.st_atime; mtime2 = buf.st_mtime; ctime2 = buf.st_ctime; assert( atime1 != atime2); assert( mtime1 == mtime2); assert( ctime1 == ctime2); IMFS_dump(); /* try to truncate the console and see what happens */ status = truncate( "/dev/console", 40 ); assert(status == -1 ); puts( "truncate /tmp/j to length of 0" ); status = truncate( "/tmp/j", 0 ); assert( !status ); puts( "truncate /tmp to length of 0 should fail with EISDIR\n"); status = truncate( "/tmp", 0 ); assert( status == -1 ); printf( "%d: %s\n", errno, strerror( errno ) ); assert( errno == EISDIR ); IMFS_dump(); status = truncate( "/tmp/fred", 10 ); assert( status == -1); rtems_status = rtems_io_register_name( "/dev/console", 0, 0 ); printf( "*** END OF FILE TEST 1 ***\n" ); exit( 0 ); }
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