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Comment:Improve testing of the wal.c changes on this branch.
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SHA3-256: 63483e22c775183e01924b5cb3d0f3655b63c3cdd06faf26cacd4d0913c0055c
User & Date: dan 2018-12-26 20:42:32
Context
2018-12-27
16:49
Increase test coverage of wal.c provided by permutation "coverage-wal" on this branch. (check-in: 2f7f893a user: dan tags: wal2)
2018-12-26
20:42
Improve testing of the wal.c changes on this branch. (check-in: 63483e22 user: dan tags: wal2)
19:10
Merge latest trunk changes with this branch. (check-in: 404f9d99 user: dan tags: wal2)
Changes
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Changes to src/wal.c. 

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**
**   u32  walidxGetMxFrame(WalIndexHdr*, int iWal);          // get mxFrame
**   void walidxSetMxFrame(WalIndexHdr*, int iWal, u32 val); // set mxFrame
**   int  walidxGetFile(WalIndexHdr*)                        // get file
**   void walidxSetFile(WalIndexHdr*, int val);              // set file
*/
#define walidxGetMxFrame(pHdr, iWal) \
  ((iWal) ? ((pHdr)->mxFrame2 & 0x7FFFFFF) : (pHdr)->mxFrame)

static void walidxSetMxFrame(WalIndexHdr *pHdr, int iWal, u32 mxFrame){
  if( iWal ){
    pHdr->mxFrame2 = (pHdr->mxFrame2 & 0x80000000) | mxFrame;
  }else{
    pHdr->mxFrame = mxFrame;
  }
................................................................................
    if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){
      sqlite3OsUnfetch(pWal->pDbFd, 0, 0);
    }
  }

  /* Copy data from the log to the database file. */
  if( rc==SQLITE_OK ){


    if( (walPagesize(pWal)!=nBuf) 
     && (walidxGetMxFrame(&pWal->hdr, 0) || walidxGetMxFrame(&pWal->hdr, 1))
    ){
      rc = SQLITE_CORRUPT_BKPT;
    }else{
      rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags, zBuf);
    }

    /* If no error occurred, set the output variables. */
    if( rc==SQLITE_OK || rc==SQLITE_BUSY ){
      if( pnLog ){
        *pnLog = walidxGetMxFrame(&pWal->hdr,0)+walidxGetMxFrame(&pWal->hdr,1);
      }
      if( pnCkpt ){
        if( isWalMode2(pWal) ){
          if( (int)(walCkptInfo(pWal)->nBackfill) ){
            *pnCkpt = walidxGetMxFrame(&pWal->hdr, !walidxGetFile(&pWal->hdr));
          }else{
            *pnCkpt = 0;
          }
        }else{
          *pnCkpt = walCkptInfo(pWal)->nBackfill;
        }
      }








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**
**   u32  walidxGetMxFrame(WalIndexHdr*, int iWal);          // get mxFrame
**   void walidxSetMxFrame(WalIndexHdr*, int iWal, u32 val); // set mxFrame
**   int  walidxGetFile(WalIndexHdr*)                        // get file
**   void walidxSetFile(WalIndexHdr*, int val);              // set file
*/
#define walidxGetMxFrame(pHdr, iWal) \
  ((iWal) ? ((pHdr)->mxFrame2 & 0x7FFFFFFF) : (pHdr)->mxFrame)

static void walidxSetMxFrame(WalIndexHdr *pHdr, int iWal, u32 mxFrame){
  if( iWal ){
    pHdr->mxFrame2 = (pHdr->mxFrame2 & 0x80000000) | mxFrame;
  }else{
    pHdr->mxFrame = mxFrame;
  }
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    if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){
      sqlite3OsUnfetch(pWal->pDbFd, 0, 0);
    }
  }

  /* Copy data from the log to the database file. */
  if( rc==SQLITE_OK ){
    int iCkpt = walidxGetFile(&pWal->hdr);

    if( (walPagesize(pWal)!=nBuf) && walidxGetMxFrame(&pWal->hdr, iCkpt) ){


      rc = SQLITE_CORRUPT_BKPT;
    }else{
      rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags, zBuf);
    }

    /* If no error occurred, set the output variables. */
    if( rc==SQLITE_OK || rc==SQLITE_BUSY ){
      if( pnLog ){
        *pnLog = walidxGetMxFrame(&pWal->hdr,0)+walidxGetMxFrame(&pWal->hdr,1);
      }
      if( pnCkpt ){
        if( isWalMode2(pWal) ){
          if( (int)(walCkptInfo(pWal)->nBackfill) ){
            *pnCkpt = walidxGetMxFrame(&pWal->hdr, iCkpt);
          }else{
            *pnCkpt = 0;
          }
        }else{
          *pnCkpt = walCkptInfo(pWal)->nBackfill;
        }
      }

Changes to test/permutations.test. 

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  walprotocol.test walro2.test walrofault.test walro.test
  walshared.test walslow.test wal.test
  wal2savepoint.test wal2lock.test wal2recover2.test
  walvfs.test walfault2.test nockpt.test
  snapshot2.test snapshot3.test snapshot4.test
  snapshot_fault.test snapshot.test snapshot_up.test
  walcrash2.test walcrash3.test walcrash4.test walcrash.test

} 

test_suite "coverage-pager" -description {
  Coverage tests for file pager.c.
} -files {
  pager1.test    pager2.test  pagerfault.test  pagerfault2.test
  walfault.test  walbak.test  journal2.test    tkt-9d68c883.test








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  walprotocol.test walro2.test walrofault.test walro.test
  walshared.test walslow.test wal.test
  wal2savepoint.test wal2lock.test wal2recover2.test
  walvfs.test walfault2.test nockpt.test
  snapshot2.test snapshot3.test snapshot4.test
  snapshot_fault.test snapshot.test snapshot_up.test
  walcrash2.test walcrash3.test walcrash4.test walcrash.test
  wal2fault.test
} 

test_suite "coverage-pager" -description {
  Coverage tests for file pager.c.
} -files {
  pager1.test    pager2.test  pagerfault.test  pagerfault2.test
  walfault.test  walbak.test  journal2.test    tkt-9d68c883.test

Added test/wal2fault.test. 











































































































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# 2010 May 03
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    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 the operation of the library in
# "PRAGMA journal_mode=WAL" mode.
#

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

ifcapable !wal {finish_test ; return }
set testprefix wal2fault

do_execsql_test 1.0 {
  CREATE TABLE t1(x,y);
  PRAGMA journal_mode = wal2;
  WITH s(i) AS ( SELECT 100 UNION ALL SELECT i-1 FROM s WHERE (i-1)>0 )
  INSERT INTO t1 SELECT i, randomblob(i) FROM s;
  WITH s(i) AS ( SELECT 100 UNION ALL SELECT i-1 FROM s WHERE (i-1)>0 )
  INSERT INTO t1 SELECT i, randomblob(i) FROM s;
} {wal2}

do_test 1.1 {
  expr [file size test.db-wal]>10000
} {1}
faultsim_save_and_close

do_faultsim_test 1 -prep {
  faultsim_restore_and_reopen
  execsql {
    PRAGMA journal_size_limit = 10000;
    SELECT count(*) FROM sqlite_master;
  }
} -body {
  execsql {
    INSERT INTO t1 VALUES(1, 2);
  }
} -test {
  faultsim_test_result {0 {}}
}

finish_test

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    ROLLBACK TO abc;
    WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s where i < 10)
    INSERT INTO t1 SELECT random(), random(), random() FROM s;
  COMMIT;
  SELECT count(*) FROM t1;
  PRAGMA integrity_check;
} {210 ok}















finish_test









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    ROLLBACK TO abc;
    WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s where i < 10)
    INSERT INTO t1 SELECT random(), random(), random() FROM s;
  COMMIT;
  SELECT count(*) FROM t1;
  PRAGMA integrity_check;
} {210 ok}

do_execsql_test 1.4 {
  BEGIN;
    SAVEPOINT abc;
      WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s where i < 100)
      INSERT INTO t1 SELECT random(), random(), random() FROM s;
    ROLLBACK TO abc;
    WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s where i < 10)
    INSERT INTO t1 SELECT random(), random(), random() FROM s;
  COMMIT;
  SELECT count(*) FROM t1;
  PRAGMA integrity_check;
} {220 ok}


finish_test

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