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Overview
Comment:Enhanced disk-full tests. (CVS 2682)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 0288fa5d25886f6fbef0be782f12285d62bebd68
User & Date: drh 2005-09-09 10:46:19.000
Context
2005-09-10
15:28
Use of the CROSS keyword in a join prevents table reordering. Ticket #1414. (CVS 2683) (check-in: 415b8b2462 user: drh tags: trunk)
2005-09-09
10:46
Enhanced disk-full tests. (CVS 2682) (check-in: 0288fa5d25 user: drh tags: trunk)
10:17
Detect errors returned by SetFilePointer on windows. (CVS 2681) (check-in: bc8c33f94c user: drh tags: trunk)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/os_common.h.
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** If we compile with the SQLITE_TEST macro set, then the following block
** of code will give us the ability to simulate a disk I/O error.  This
** is used for testing the I/O recovery logic.
*/
#ifdef SQLITE_TEST
int sqlite3_io_error_pending = 0;
int sqlite3_diskfull_pending = 0;
int sqlite3_diskfull = 0;
#define SimulateIOError(A)  \
   if( sqlite3_io_error_pending ) \
     if( sqlite3_io_error_pending-- == 1 ){ local_ioerr(); return A; }
static void local_ioerr(){
  sqlite3_io_error_pending = 0;  /* Really just a place to set a breakpoint */
}
#define SimulateDiskfullError \
   if( sqlite3_diskfull_pending ) \
     if( sqlite3_diskfull_pending-- == 1 ){ local_ioerr(); return SQLITE_FULL; }
   if( sqlite3_diskfull_pending ){ \
     if( sqlite3_diskfull_pending == 1 ){ \
       local_ioerr(); \
       sqlite3_diskfull = 1; \
       return SQLITE_FULL; \
     }else{ \
       sqlite3_diskfull_pending--; \
     } \
   }
#else
#define SimulateIOError(A)
#define SimulateDiskfullError
#endif

/*
** When testing, keep a count of the number of open files.
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Changes to src/test2.c.
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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the pager.c module in SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test2.c,v 1.31 2005/08/11 02:10:19 drh Exp $
** $Id: test2.c,v 1.32 2005/09/09 10:46:19 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include "pager.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
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/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest2_Init(Tcl_Interp *interp){
  extern int sqlite3_io_error_pending;
  extern int sqlite3_diskfull_pending;
  extern int sqlite3_diskfull;
  static struct {
    char *zName;
    Tcl_CmdProc *xProc;
  } aCmd[] = {
    { "pager_open",              (Tcl_CmdProc*)pager_open          },
    { "pager_close",             (Tcl_CmdProc*)pager_close         },
    { "pager_commit",            (Tcl_CmdProc*)pager_commit        },
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  for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
    Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
  }
  Tcl_LinkVar(interp, "sqlite_io_error_pending",
     (char*)&sqlite3_io_error_pending, TCL_LINK_INT);
  Tcl_LinkVar(interp, "sqlite_diskfull_pending",
     (char*)&sqlite3_diskfull_pending, TCL_LINK_INT);
  Tcl_LinkVar(interp, "sqlite_diskfull",
     (char*)&sqlite3_diskfull, TCL_LINK_INT);
  Tcl_LinkVar(interp, "pager_pagesize",
     (char*)&test_pagesize, TCL_LINK_INT);
  return TCL_OK;
}
Changes to test/diskfull.test.
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#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing for correct handling of disk full
# errors.
# 
# $Id: diskfull.test,v 1.2 2005/08/11 02:10:19 drh Exp $
# $Id: diskfull.test,v 1.3 2005/09/09 10:46:19 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test diskfull-1.1 {
  execsql {
    CREATE TABLE t1(x);
    INSERT INTO t1 VALUES(randstr(1000,1000));
    INSERT INTO t1 SELECT * FROM t1;
    INSERT INTO t1 SELECT * FROM t1;
    INSERT INTO t1 SELECT * FROM t1;
    INSERT INTO t1 SELECT * FROM t1;
    CREATE INDEX t1i1 ON t1(x);
    CREATE TABLE t2 AS SELECT x AS a, x AS b FROM t1;
    CREATE INDEX t2i1 ON t2(b);
  }
} {}
set sqlite_diskfull_pending 0
integrity_check diskfull-1.2
do_test diskfull-1.2 {
do_test diskfull-1.3 {
  set sqlite_diskfull_pending 1
  catchsql {
    INSERT INTO t1 SELECT * FROM t1;
  }
} {1 {database or disk is full}}
set sqlite_diskfull_pending 0
integrity_check diskfull-1.4
do_test diskfull-1.3 {
do_test diskfull-1.5 {
  set sqlite_diskfull_pending 1
  catchsql {
    DELETE FROM t1;
  }
} {1 {database or disk is full}}
set sqlite_diskfull_pending 0
integrity_check diskfull-1.6

set go 1
set i 0
while {$go} {
  incr i
  do_test diskfull-2.$i.1 {
    set sqlite_diskfull_pending $i
    set sqlite_diskfull 0
    set r [catchsql {VACUUM}]
    if {!$sqlite_diskfull} {
      set r {1 {database or disk is full}}
      set go 0
    }
    if {$r=="1 {disk I/O error}"} {
      set r {1 {database or disk is full}}
    }
    set r
  } {1 {database or disk is full}}
  set sqlite_diskfull_pending 0
  db close
  sqlite3 db test.db
  integrity_check diskfull-2.$i.2
}

finish_test