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Overview
Comment:Add tests and fixes for SELECT multiplex_control(op, val);
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Timelines: family | ancestors | descendants | both | multiplex-enhancements
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SHA1: fee9734c193a8bec9599e02e16938179e642bf5e
User & Date: shaneh 2011-03-31 13:14:12
Original Comment: Tests and bug fixes for SELECT multiplex_control(op, val); Add tests and fixes for SELECT multiplex_control(op, val);
Context
2011-03-31
15:11
Enable/disable support. check-in: b3c6d9aa user: shaneh tags: multiplex-enhancements
13:14
Add tests and fixes for SELECT multiplex_control(op, val); check-in: fee9734c user: shaneh tags: multiplex-enhancements
05:31
Additional test cases; Round chunk size up to a multiple of max page size; check-in: 36e364a3 user: shaneh tags: multiplex-enhancements
Changes
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Changes to src/test_multiplex.c. 

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static void multiplexControlFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  extern const char *sqlite3TestErrorName(int);
  extern int multiplexFileControl(sqlite3_file *, int, void *);
  // pPager->fd
  sqlite3 *db = (sqlite3 *)sqlite3_user_data(context);







  int op = sqlite3_value_int(argv[0]);
  int iVal = sqlite3_value_int(argv[1]);
  int rc = SQLITE_OK;

  switch( op ){
    case 1: 
      op = MULTIPLEX_CTRL_ENABLE; 
      break;
    case 2: 
      op = MULTIPLEX_CTRL_SET_CHUNK_SIZE; 
      break;
    case 3: 
      op = MULTIPLEX_CTRL_SET_MAX_CHUNKS; 
      break;
    default:
      rc = SQLITE_ERROR;
      break;
  }

  if( rc==SQLITE_OK ){
    sqlite3_file *f = (sqlite3_file *)db;
    rc = multiplexFileControl(f, op, &iVal);

  }
  sqlite3_result_text(context, (char *)sqlite3TestErrorName(rc), -1, SQLITE_TRANSIENT);
}

/*
** This is the entry point to register the extension for the multiplex_control() function.
*/
static int multiplexFuncInit(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc;
  rc = sqlite3_create_function(db, "multiplex_control", 2, SQLITE_ANY, 
    db, multiplexControlFunc, 0, 0);
  return rc;
}

/************************* VFS Method Wrappers *****************************/

/*
** This is the xOpen method used for the "multiplex" VFS.








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static void multiplexControlFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  extern const char *sqlite3TestErrorName(int);
  extern int multiplexFileControl(sqlite3_file *, int, void *);
  int rc = SQLITE_OK;
  sqlite3 *db = sqlite3_context_db_handle(context);
  int op;
  int iVal;

  if( !db || argc!=2 ){ 
    rc = SQLITE_ERROR; 
  }else{
    /* extract params */
    op = sqlite3_value_int(argv[0]);
    iVal = sqlite3_value_int(argv[1]);

    /* map function op to file_control op */
    switch( op ){
      case 1: 
        op = MULTIPLEX_CTRL_ENABLE; 
        break;
      case 2: 
        op = MULTIPLEX_CTRL_SET_CHUNK_SIZE; 
        break;
      case 3: 
        op = MULTIPLEX_CTRL_SET_MAX_CHUNKS; 
        break;
      default:
        rc = SQLITE_ERROR;
        break;
    }
  }
  if( rc==SQLITE_OK ){


    rc = sqlite3_file_control(db, 0, op, &iVal);
  }
  sqlite3_result_text(context, (char *)sqlite3TestErrorName(rc), -1, SQLITE_TRANSIENT);
}

/*
** This is the entry point to register the auto-extension for the multiplex_control() function.
*/
static int multiplexFuncInit(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc;
  rc = sqlite3_create_function(db, "multiplex_control", 2, SQLITE_ANY, 
    0, multiplexControlFunc, 0, 0);
  return rc;
}

/************************* VFS Method Wrappers *****************************/

/*
** This is the xOpen method used for the "multiplex" VFS.

Changes to src/test_multiplex.h. 

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** Use the VFS named zOrigVfsName as the VFS that does the actual work.  
** Use the default if zOrigVfsName==NULL.  
**
** The multiplex VFS shim is named "multiplex".  It will become the default
** VFS if makeDefault is non-zero.
**
** An auto-extension is registered which will make the function 
** multiplex_control() available to open database connections.  This
** function gives access to the xFileControl interface of the 
** multiplex VFS shim.
**
** multiplex_control(<op>,<val>) 
** 
**   <op>=1 MULTIPLEX_CTRL_ENABLE
**   <val>=1 enable
**   <val>=2 disable
** 
**   <op>=1 MULTIPLEX_CTRL_SET_CHUNK_SIZE
**   <val> int, chunk size
** 
**   <op>=1 MULTIPLEX_CTRL_SET_MAX_CHUNKS
**   <val> int, max chunks
**








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** Use the VFS named zOrigVfsName as the VFS that does the actual work.  
** Use the default if zOrigVfsName==NULL.  
**
** The multiplex VFS shim is named "multiplex".  It will become the default
** VFS if makeDefault is non-zero.
**
** An auto-extension is registered which will make the function 
** multiplex_control() available to database connections.  This
** function gives access to the xFileControl interface of the 
** multiplex VFS shim.
**
** SELECT multiplex_control(<op>,<val>) ;
** 
**   <op>=1 MULTIPLEX_CTRL_ENABLE
**   <val>=0 disable
**   <val>=1 enable
** 
**   <op>=1 MULTIPLEX_CTRL_SET_CHUNK_SIZE
**   <val> int, chunk size
** 
**   <op>=1 MULTIPLEX_CTRL_SET_MAX_CHUNKS
**   <val> int, max chunks
**

Changes to test/multiplex.test. 

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do_test multiplex-1.9.6 { multiplex_set db main 31 16 }           {SQLITE_OK}
do_test multiplex-1.9.7 { multiplex_set db main 32768 100 }       {SQLITE_MISUSE}
do_test multiplex-1.9.8 { db close }                              {}
do_test multiplex-1.9.9 { sqlite3_multiplex_shutdown }            {SQLITE_OK}

do_test multiplex-1.10.1 { sqlite3_multiplex_initialize "" 1 }                {SQLITE_OK}
do_test multiplex-1.10.2 { sqlite3 db test.db }                               {}
if { 0 } {
do_test multiplex-1.10.3 { execsql { SELECT multiplex_control(2, 32768); } }  {SQLITE_OK}
do_test multiplex-1.10.4 { execsql { SELECT multiplex_control(3, -1); } }     {SQLITE_MISUSE}
do_test multiplex-1.10.5 { execsql { SELECT multiplex_control(2, -1); } }     {SQLITE_MISUSE}
do_test multiplex-1.10.6 { execsql { SELECT multiplex_control(2, 31); } }     {SQLITE_OK}
do_test multiplex-1.10.7 { execsql { SELECT multiplex_control(3, 100); } }    {SQLITE_MISUSE}
}
do_test multiplex-1.10.8 { db close }                                         {}
do_test multiplex-1.10.9 { sqlite3_multiplex_shutdown }                       {SQLITE_OK}

#-------------------------------------------------------------------------
# Some simple warm-body tests with a single database file in rollback 
# mode:
#








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do_test multiplex-1.9.6 { multiplex_set db main 31 16 }           {SQLITE_OK}
do_test multiplex-1.9.7 { multiplex_set db main 32768 100 }       {SQLITE_MISUSE}
do_test multiplex-1.9.8 { db close }                              {}
do_test multiplex-1.9.9 { sqlite3_multiplex_shutdown }            {SQLITE_OK}

do_test multiplex-1.10.1 { sqlite3_multiplex_initialize "" 1 }                {SQLITE_OK}
do_test multiplex-1.10.2 { sqlite3 db test.db }                               {}

do_test multiplex-1.10.3 { execsql { SELECT multiplex_control(2, 32768); } }  {SQLITE_OK}
do_test multiplex-1.10.4 { execsql { SELECT multiplex_control(3, -1); } }     {SQLITE_MISUSE}
do_test multiplex-1.10.5 { execsql { SELECT multiplex_control(2, -1); } }     {SQLITE_MISUSE}
do_test multiplex-1.10.6 { execsql { SELECT multiplex_control(2, 31); } }     {SQLITE_OK}
do_test multiplex-1.10.7 { execsql { SELECT multiplex_control(3, 100); } }    {SQLITE_MISUSE}

do_test multiplex-1.10.8 { db close }                                         {}
do_test multiplex-1.10.9 { sqlite3_multiplex_shutdown }                       {SQLITE_OK}

#-------------------------------------------------------------------------
# Some simple warm-body tests with a single database file in rollback 
# mode:
#

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