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Overview
Comment:Additional error checking and tests for multiplex VFS.
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SHA1: 1ab9a59237bed6d03b55153a67588486f9adc67b
User & Date: shaneh 2010-11-05 03:58:59
Original Comment: Additional error checking and tests.
Context
2010-11-05
17:51
More tests and added support for xDelete in multiplex VFS. (check-in: f2004b44 user: shaneh tags: trunk)
03:58
Additional error checking and tests for multiplex VFS. (check-in: 1ab9a592 user: shaneh tags: trunk)
03:43
Additional tests and commenting for the multiplex VFS. (check-in: 8ed944ba user: shaneh tags: trunk)
Changes
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Changes to src/test_multiplex.c. 

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  for(i=(int)(size/gMultiplex.nChunkSize)+1; i<gMultiplex.nMaxChunks; i++){
    /* close any open chunks before deleting them */
    if( pGroup->bOpen[i] ){
      pSubOpen = pGroup->pReal[i];
      rc2 = pSubOpen->pMethods->xClose(pSubOpen);
      if( rc2!=SQLITE_OK ) rc = SQLITE_IOERR_TRUNCATE;
    }
    if( i ) sqlite3_snprintf(pGroup->nName+6, pGroup->zName+pGroup->nName, "-%04d", i);
    rc2 = pOrigVfs->xDelete(pOrigVfs, pGroup->zName, 0);
    if( rc2!=SQLITE_OK ) rc = SQLITE_IOERR_TRUNCATE;
  }
  pSubOpen = multiplexSubOpen(p, (int)(size/gMultiplex.nChunkSize), &rc2, NULL);
  if( pSubOpen ){
    rc2 = pSubOpen->pMethods->xTruncate(pSubOpen, size%gMultiplex.nChunkSize);
    if( rc2!=SQLITE_OK ) rc = rc2;
................................................................................
*/
int sqlite3_multiplex_set(
  int nChunkSize,                 /* Max chunk size */
  int nMaxChunks                  /* Max number of chunks */
){
  if( !gMultiplex.isInitialized ) return SQLITE_MISUSE;
  if( gMultiplex.pGroups ) return SQLITE_MISUSE;


  if( nMaxChunks>SQLITE_MULTIPLEX_MAX_CHUNKS ) return SQLITE_MISUSE;
  multiplexEnter();
  gMultiplex.nChunkSize = nChunkSize;
  gMultiplex.nMaxChunks = nMaxChunks;
  multiplexLeave();
  return SQLITE_OK;
}
................................................................................
  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "CHUNK_SIZE MAX_CHUNKS");
    return TCL_ERROR;
  }
  if( Tcl_GetIntFromObj(interp, objv[1], &nChunkSize) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[2], &nMaxChunks) ) return TCL_ERROR;

  if( nMaxChunks>SQLITE_MULTIPLEX_MAX_CHUNKS ){
    Tcl_WrongNumArgs(interp, 1, objv, "MAX_CHUNKS > SQLITE_MULTIPLEX_MAX_CHUNKS");
    return TCL_ERROR;
  }

  /* Invoke sqlite3_multiplex_set() */
  rc = sqlite3_multiplex_set(nChunkSize, nMaxChunks);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}









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  for(i=(int)(size/gMultiplex.nChunkSize)+1; i<gMultiplex.nMaxChunks; i++){
    /* close any open chunks before deleting them */
    if( pGroup->bOpen[i] ){
      pSubOpen = pGroup->pReal[i];
      rc2 = pSubOpen->pMethods->xClose(pSubOpen);
      if( rc2!=SQLITE_OK ) rc = SQLITE_IOERR_TRUNCATE;
    }
    sqlite3_snprintf(pGroup->nName+6, pGroup->zName+pGroup->nName, "-%04d", i);
    rc2 = pOrigVfs->xDelete(pOrigVfs, pGroup->zName, 0);
    if( rc2!=SQLITE_OK ) rc = SQLITE_IOERR_TRUNCATE;
  }
  pSubOpen = multiplexSubOpen(p, (int)(size/gMultiplex.nChunkSize), &rc2, NULL);
  if( pSubOpen ){
    rc2 = pSubOpen->pMethods->xTruncate(pSubOpen, size%gMultiplex.nChunkSize);
    if( rc2!=SQLITE_OK ) rc = rc2;
................................................................................
*/
int sqlite3_multiplex_set(
  int nChunkSize,                 /* Max chunk size */
  int nMaxChunks                  /* Max number of chunks */
){
  if( !gMultiplex.isInitialized ) return SQLITE_MISUSE;
  if( gMultiplex.pGroups ) return SQLITE_MISUSE;
  if( nChunkSize<32 ) return SQLITE_MISUSE;
  if( nMaxChunks<1 ) return SQLITE_MISUSE;
  if( nMaxChunks>SQLITE_MULTIPLEX_MAX_CHUNKS ) return SQLITE_MISUSE;
  multiplexEnter();
  gMultiplex.nChunkSize = nChunkSize;
  gMultiplex.nMaxChunks = nMaxChunks;
  multiplexLeave();
  return SQLITE_OK;
}
................................................................................
  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "CHUNK_SIZE MAX_CHUNKS");
    return TCL_ERROR;
  }
  if( Tcl_GetIntFromObj(interp, objv[1], &nChunkSize) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[2], &nMaxChunks) ) return TCL_ERROR;






  /* Invoke sqlite3_multiplex_set() */
  rc = sqlite3_multiplex_set(nChunkSize, nMaxChunks);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}

Changes to test/multiplex.test. 

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do_test multiplex-1.3 { sqlite3_multiplex_initialize "" 1 }        {SQLITE_MISUSE}
do_test multiplex-1.4 { sqlite3_multiplex_shutdown }               {SQLITE_OK}

do_test multiplex-1.5 { sqlite3_multiplex_initialize "" 0 }        {SQLITE_OK}
do_test multiplex-1.6 { sqlite3_multiplex_shutdown }               {SQLITE_OK}
do_test multiplex-1.7 { sqlite3_multiplex_initialize "" 1 }        {SQLITE_OK}
do_test multiplex-1.8 { sqlite3_multiplex_shutdown }               {SQLITE_OK}










#-------------------------------------------------------------------------
# Some simple warm-body tests with a single database file in rollback 
# mode:
#
#   multiplex-2.1.*: Test simple writing to a multiplex file.








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do_test multiplex-1.3 { sqlite3_multiplex_initialize "" 1 }        {SQLITE_MISUSE}
do_test multiplex-1.4 { sqlite3_multiplex_shutdown }               {SQLITE_OK}

do_test multiplex-1.5 { sqlite3_multiplex_initialize "" 0 }        {SQLITE_OK}
do_test multiplex-1.6 { sqlite3_multiplex_shutdown }               {SQLITE_OK}
do_test multiplex-1.7 { sqlite3_multiplex_initialize "" 1 }        {SQLITE_OK}
do_test multiplex-1.8 { sqlite3_multiplex_shutdown }               {SQLITE_OK}

do_test multiplex-1.9  { sqlite3_multiplex_initialize "" 1 }       {SQLITE_OK}
do_test multiplex-1.10.1 { sqlite3_multiplex_set 0x8000 16 }       {SQLITE_OK}
do_test multiplex-1.10.2 { sqlite3_multiplex_set 0x8000 -1 }       {SQLITE_MISUSE}
do_test multiplex-1.10.3 { sqlite3_multiplex_set -1 16 }           {SQLITE_MISUSE}
do_test multiplex-1.10.4 { sqlite3_multiplex_set 31 16 }           {SQLITE_MISUSE}
do_test multiplex-1.10.5 { sqlite3_multiplex_set 0x8000 33 }       {SQLITE_MISUSE}
do_test multiplex-1.11 { sqlite3_multiplex_shutdown }              {SQLITE_OK}


#-------------------------------------------------------------------------
# Some simple warm-body tests with a single database file in rollback 
# mode:
#
#   multiplex-2.1.*: Test simple writing to a multiplex file.

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