database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00
Code Activity

Extra test cases to improve coverage of btree.c (CVS 2189)

Browse Source 
FossilOrigin-Name: a461988661368bce799ef3d498a18e88559e14c7
This commit is contained in:
danielk1977
2005-01-10 12:59:51 +00:00
parent 307a777932
commit 7701e817ba
7 changed files with 78 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
src/btree.c
View File

@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.228 2005/01/08 15:43:19 drh Exp $
** $Id: btree.c,v 1.229 2005/01/10 12:59:52 danielk1977 Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -1661,12 +1661,16 @@ static void modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){
}
/*
** Move the open database page pDbPage to location iFreePage in the
** database. The pDbPage reference remains valid.
*/
static int relocatePage(
Btree *pBt,
MemPage *pDbPage,
u8 eType,
Pgno iPtrPage,
Pgno iFreePage
Btree *pBt, /* Btree */
MemPage *pDbPage, /* Open page to move */
u8 eType, /* Pointer map 'type' entry for pDbPage */
Pgno iPtrPage, /* Pointer map 'page-no' entry for pDbPage */
Pgno iFreePage /* The location to move pDbPage to */
){
MemPage *pPtrPage; /* The page that contains a pointer to pDbPage */
Pgno iDbPage = pDbPage->pgno;
@@ -5231,13 +5235,23 @@ static int checkTreePage(
int pc = get2byte(&data[cellStart+i*2]);
int size = cellSizePtr(pPage, &data[pc]);
int j;
for(j=pc+size-1; j>=pc; j--) hit[j]++;
if( (pc+size-1)>=usableSize || pc<0 ){
checkAppendMsg(pCheck, 0,
"Corruption detected in cell %d on page %d",i,iPage,0);
}else{
for(j=pc+size-1; j>=pc; j--) hit[j]++;
}
}
for(cnt=0, i=get2byte(&data[hdr+1]); i>0 && i<usableSize && cnt<10000;
cnt++){
int size = get2byte(&data[i+2]);
int j;
for(j=i+size-1; j>=i; j--) hit[j]++;
if( (i+size-1)>=usableSize || i<0 ){
checkAppendMsg(pCheck, 0,
"Corruption detected in cell %d on page %d",i,iPage,0);
}else{
for(j=i+size-1; j>=i; j--) hit[j]++;
}
i = get2byte(&data[i]);
}
for(i=cnt=0; i<usableSize; i++){