Hi Folks
This patch contains the test case we used when debugging the recent
fileio fseek() problems.
Andrew
Index: packages/fs/ram/current/ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/fs/ram/current/ChangeLog,v
retrieving revision 1.18
diff -u -r1.18 ChangeLog
--- packages/fs/ram/current/ChangeLog 4 Aug 2006 09:18:01 -0000 1.18
+++ packages/fs/ram/current/ChangeLog 5 Oct 2006 17:08:17 -0000
@@ -1,4 +1,10 @@
-2006-06-25 Andrew Lunn <[EMAIL PROTECTED]>
+2006-10-05 Andrew Lunn <[EMAIL PROTECTED]
+ Paluch Sebastian <the_sorcerer&op.pl>
+
+ * test/ramfs3 (new): Test for lseek bug found in fileio.
+ * cdl/ramfs.cdl: Build new test.
+
+2006-06-25 Andrew Lunn <[EMAIL PROTECTED]>
* src/ramfs.c (find_direntry): Don't search off the end of the
directory node into hyperspace.
Index: packages/fs/ram/current/cdl/ramfs.cdl
===================================================================
RCS file: /cvs/ecos/ecos/packages/fs/ram/current/cdl/ramfs.cdl,v
retrieving revision 1.9
diff -u -r1.9 ramfs.cdl
--- packages/fs/ram/current/cdl/ramfs.cdl 2 Oct 2005 14:03:14 -0000
1.9
+++ packages/fs/ram/current/cdl/ramfs.cdl 5 Oct 2006 17:08:17 -0000
@@ -195,7 +195,7 @@
display "RAM FS tests"
flavor data
no_define
- calculated { "tests/ramfs1 tests/ramfs2" }
+ calculated { "tests/ramfs1 tests/ramfs2 tests/ramfs3" }
description "
This option specifies the set of tests for the RAM FS package."
}
Index: packages/fs/ram/current/tests/ramfs3.c
===================================================================
RCS file: packages/fs/ram/current/tests/ramfs3.c
diff -N packages/fs/ram/current/tests/ramfs3.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ packages/fs/ram/current/tests/ramfs3.c 5 Oct 2006 17:08:17 -0000
@@ -0,0 +1,185 @@
+//==========================================================================
+//
+// ramfs3.c
+//
+// Test fileio system, especially lseek calls.
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2004 eCosCentric Limited
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): nickg, asl, Paluch Sebastian
+// Contributors: nickg
+// Date: 2006-10-05
+// Purpose: Test fileio system
+// Description: This test uses the testfs to check out the
initialization
+// and basic operation of the fileio system
+//
+//
+//
+//
+//
+//
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+#include <cyg/fileio/fileio.h>
+
+#include <cyg/infra/testcase.h>
+#include <cyg/infra/diag.h> // HAL polled output
+//==========================================================================
+
+#define SHOW_RESULT( _fn, _res ) \
+diag_printf("FAIL: " #_fn "() returned %ld %s\n", \
+ (unsigned long)_res, _res<0?strerror(errno):"");
+
+//==========================================================================
+
+cyg_uint8 buf[256];
+cyg_uint8 buf1[256];
+
+//==========================================================================
+// main
+
+int main( int argc, char **argv )
+{
+ int err;
+ FILE *stream;
+ long pos;
+ unsigned int i;
+ char header[3];
+
+ CYG_TEST_INIT();
+
+ // --------------------------------------------------------------
+
+ CYG_TEST_INFO("mount /");
+ err = mount( "", "/", "ramfs" );
+
+ if( err < 0 ) SHOW_RESULT( mount, err );
+
+ CYG_TEST_INFO("creating /fseek");
+ stream = fopen("/fseek","w+");
+ if (!stream) {
+ SHOW_RESULT( fopen, NULL);
+ CYG_TEST_FAIL_FINISH("done");\
+ }
+
+ for (i = 0; i < sizeof(buf); i++) {
+ buf[i] = i % 256;
+ }
+
+ CYG_TEST_INFO("writing test pattern");
+ err=fwrite(buf,sizeof(buf), 1, stream);
+ if ( err < 0 ) SHOW_RESULT( fwrite, err );
+
+ pos = ftell(stream);
+ if (pos < 0) SHOW_RESULT( ftell, pos );
+ if (pos != sizeof(buf))
+ diag_printf("<FAIL>: ftell is not telling the truth.");
+
+ CYG_TEST_INFO("fseek()ing to 85");
+ err = fseek(stream, 85, SEEK_SET);
+ if ( err < 0 ) SHOW_RESULT( fseek, err );
+
+ pos = ftell(stream);
+ if (pos < 0) SHOW_RESULT( ftell, pos );
+ if (pos != 85) CYG_TEST_FAIL("ftell is not telling the truth");
+
+ err = fread(header,3,1,stream);
+ if ( err < 0 ) SHOW_RESULT( fwrite, err );
+ if ((header[0] != 85) ||
+ (header[1] != 86) ||
+ (header[2] != 87))
+ CYG_TEST_FAIL("Read returned false data");
+
+ pos = ftell(stream);
+ if (pos < 0) SHOW_RESULT( ftell, pos );
+ if (pos != 88) CYG_TEST_FAIL("ftell is not telling the truth");
+
+ for (i = 88; i < 161; i++) {
+ buf[i] = 0x42;
+ }
+
+ CYG_TEST_INFO("writing");
+ err = fwrite(buf+88, 73, 1, stream);
+ if ( err < 0 ) SHOW_RESULT( fwrite, err );
+
+ pos = ftell(stream);
+ if (pos < 0) SHOW_RESULT( ftell, pos );
+ if (pos != 161) CYG_TEST_FAIL("ftell is not telling the truth");
+
+ CYG_TEST_INFO("closing file");
+ err = fclose(stream);
+ if (err != 0) SHOW_RESULT( fclose, err );
+
+ CYG_TEST_INFO("open file /fseek");
+ stream = fopen("/fseek", "r+");
+ if (!stream) {
+ SHOW_RESULT( fopen, NULL);
+ CYG_TEST_FAIL_FINISH("done");\
+ }
+
+ CYG_TEST_INFO("Seeking to beginning of file");
+ err = fseek(stream, 0, SEEK_SET);
+ if ( err < 0 ) SHOW_RESULT( fseek, err );
+
+ CYG_TEST_INFO("Reading buf1");
+ err = fread(buf1,sizeof(buf1),1, stream);
+ if (err != 1) SHOW_RESULT( fread, err );
+
+ CYG_TEST_INFO("Comparing contents");
+ if (memcmp(buf, buf1, sizeof(buf1)))
+ CYG_TEST_FAIL("File contents inconsistent");
+
+ CYG_TEST_INFO("closing file");
+ err = fclose(stream);
+ if (err != 0) SHOW_RESULT( fclose, err );
+
+ CYG_TEST_INFO("umount /");
+ err = umount( "/" );
+ if( err < 0 ) SHOW_RESULT( umount, err );
+
+ CYG_TEST_PASS_FINISH("ramfs3");
+}
