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Check-in [80704a16f6]
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Overview
Comment:Make the testcase() macro added in the previous check-in reachable for testing.
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SHA3-256: 80704a16f6dbbeacc65fa36a3623df10292a28aeacf9e2c1d2891258479e3b89
User & Date: drh 2019-04-07 18:21:12.384
Context
2019-04-09
19:53
Add test/wapptest.tcl, a wapp alternative to releasetest.tcl. (check-in: a4af0c2fee user: dan tags: wapptest)
01:26
Use an unsigned integer to count free pages in btree.c:freePage2(). (check-in: 8820408597 user: drh tags: trunk)
2019-04-07
18:21
Make the testcase() macro added in the previous check-in reachable for testing. (check-in: 80704a16f6 user: drh tags: trunk)
18:04
Fix a faulty assert() in the sqlite3VdbeMemExpandBlob() routine. (check-in: df58774e99 user: drh tags: trunk)
Changes
Unified Diff Show Whitespace Changes Patch
Changes to src/vdbemem.c.
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** blob stored in dynamically allocated space.
*/
#ifndef SQLITE_OMIT_INCRBLOB
int sqlite3VdbeMemExpandBlob(Mem *pMem){
  int nByte;
  assert( pMem->flags & MEM_Zero );
  assert( (pMem->flags&MEM_Blob)!=0 || MemNullNochng(pMem) );
  testcase( MemNullNochng(pMem) )
  assert( !sqlite3VdbeMemIsRowSet(pMem) );
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );

  /* Set nByte to the number of bytes required to store the expanded blob. */
  nByte = pMem->n + pMem->u.nZero;
  if( nByte<=0 ){
    nByte = 1;








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** blob stored in dynamically allocated space.
*/
#ifndef SQLITE_OMIT_INCRBLOB
int sqlite3VdbeMemExpandBlob(Mem *pMem){
  int nByte;
  assert( pMem->flags & MEM_Zero );
  assert( (pMem->flags&MEM_Blob)!=0 || MemNullNochng(pMem) );
  testcase( sqlite3_value_nochange(pMem) );
  assert( !sqlite3VdbeMemIsRowSet(pMem) );
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );

  /* Set nByte to the number of bytes required to store the expanded blob. */
  nByte = pMem->n + pMem->u.nZero;
  if( nByte<=0 ){
    nByte = 1;
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