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Improvements to coverage testing. (CVS 3810)

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FossilOrigin-Name: 38af156da83a8469080ddb75a9a286be33ff6bef
This commit is contained in:
drh
2007-04-05 11:25:58 +00:00
parent 3997b9bb6b
commit 7c4ac0c555
9 changed files with 61 additions and 52 deletions
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22
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.318 2007/04/05 08:40:32 danielk1977 Exp $
** @(#) $Id: pager.c,v 1.319 2007/04/05 11:25:58 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -278,13 +278,15 @@ struct Pager {
i64 stmtJSize; /* Size of journal at stmt_begin() */
int sectorSize; /* Assumed sector size during rollback */
#ifdef SQLITE_TEST
int nHit, nMiss, nOvfl; /* Cache hits, missing, and LRU overflows */
int nRead,nWrite; /* Database pages read/written */
int nHit, nMiss; /* Cache hits and missing */
int nRead, nWrite; /* Database pages read/written */
#endif
void (*xDestructor)(DbPage*,int); /* Call this routine when freeing pages */
void (*xReiniter)(DbPage*,int); /* Call this routine when reloading pages */
#ifdef SQLITE_HAS_CODEC
void *(*xCodec)(void*,void*,Pgno,int); /* Routine for en/decoding data */
void *pCodecArg; /* First argument to xCodec() */
#endif
int nHash; /* Size of the pager hash table */
PgHdr **aHash; /* Hash table to map page number to PgHdr */
#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
@@ -374,7 +376,7 @@ static const unsigned char aJournalMagic[] = {
/*
** Enable reference count tracking (for debugging) here:
*/
#ifdef SQLITE_TEST
#ifdef SQLITE_DEBUG
int pager3_refinfo_enable = 0;
static void pager_refinfo(PgHdr *p){
static int cnt = 0;
@@ -1857,9 +1859,6 @@ int sqlite3PagerSetPagesize(Pager *pPager, int pageSize){
extern int sqlite3_io_error_pending;
extern int sqlite3_io_error_hit;
static int saved_cnt;
void clear_simulated_io_error(){
sqlite3_io_error_hit = 0;
}
void disable_simulated_io_errors(void){
saved_cnt = sqlite3_io_error_pending;
sqlite3_io_error_pending = -1;
@@ -1868,7 +1867,6 @@ void enable_simulated_io_errors(void){
sqlite3_io_error_pending = saved_cnt;
}
#else
# define clear_simulated_io_error()
# define disable_simulated_io_errors()
# define enable_simulated_io_errors()
#endif
@@ -2592,9 +2590,7 @@ static int pager_recycle(Pager *pPager, int syncOk, PgHdr **ppPg){
/* Unlink the old page from the free list and the hash table
*/
unlinkPage(pPg);
if( pPg && pPg->pgno!=0 ){
TEST_INCR(pPager->nOvfl);
}
assert( pPg->pgno==0 );
*ppPg = pPg;
return SQLITE_OK;
@@ -3948,7 +3944,7 @@ int *sqlite3PagerStats(Pager *pPager){
a[5] = pPager->errCode;
a[6] = pPager->nHit;
a[7] = pPager->nMiss;
a[8] = pPager->nOvfl;
a[8] = 0; /* Used to be pPager->nOvfl */
a[9] = pPager->nRead;
a[10] = pPager->nWrite;
return a;
@@ -4101,6 +4097,7 @@ int sqlite3PagerNosync(Pager *pPager){
return pPager->noSync;
}
#ifdef SQLITE_HAS_CODEC
/*
** Set the codec for this pager
*/
@@ -4112,6 +4109,7 @@ void sqlite3PagerSetCodec(
pPager->xCodec = xCodec;
pPager->pCodecArg = pCodecArg;
}
#endif
#ifndef SQLITE_OMIT_AUTOVACUUM
/*