Binary file I/O infrastructure added and used to increase test coverage

for detection of corrupt database files. (CVS 3822)

FossilOrigin-Name: 479b3d965b19c3ec4cb72542718751debf8ff75c
This commit is contained in:
drh 2007-04-06 15:02:13 +00:00
parent 60218d2a0e
commit 15926590ed
11 changed files with 572 additions and 21 deletions

View File

@ -222,6 +222,7 @@ TESTSRC = \
$(TOP)/src/test9.c \
$(TOP)/src/test_autoext.c \
$(TOP)/src/test_async.c \
$(TOP)/src/test_hexio.c \
$(TOP)/src/test_md5.c \
$(TOP)/src/test_schema.c \
$(TOP)/src/test_server.c \

View File

@ -177,6 +177,7 @@ TESTSRC = \
$(TOP)/src/test9.c \
$(TOP)/src/test_autoext.c \
$(TOP)/src/test_async.c \
$(TOP)/src/test_hexio.c \
$(TOP)/src/test_md5.c \
$(TOP)/src/test_schema.c \
$(TOP)/src/test_server.c \

View File

@ -1,6 +1,6 @@
C The\sFOR\sEACH\sSTATEMENT\sclause\sin\sa\strigger\sis\snow\sa\ssyntax\serror.\s\sIt\sused\nto\sbe\ssilently\signored.\s\sSTATEMENT\sis\sno\slonger\sa\skeyword.\s(CVS\s3821)
D 2007-04-06T11:26:00
F Makefile.in a9bd493360a2b17e5214b69d8c32dd6cdaceaf55
C Binary\sfile\sI/O\sinfrastructure\sadded\sand\sused\sto\sincrease\stest\scoverage\nfor\sdetection\sof\scorrupt\sdatabase\sfiles.\s(CVS\s3822)
D 2007-04-06T15:02:13
F Makefile.in 8cab54f7c9f5af8f22fd97ddf1ecfd1e1860de62
F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
F VERSION ebbd5a08dc4d7f984b7e0f2dd3d5d78001119117
@ -43,7 +43,7 @@ F ext/fts2/fts2_tokenizer.h 4c5ffe31d63622869eb6eec1503df7f6996fd1bd
F ext/fts2/fts2_tokenizer1.c 6067f2f710bc7e91c0688b7b11be1027777553e0
F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895
F ltmain.sh 56abb507100ed2d4261f6dd1653dec3cf4066387
F main.mk 2c20b3501860b36115c477a95a7f9355c755cf3b
F main.mk dd14eeac33ac5e6c062f43e79876948f1d64908b
F mkdll.sh ed62756baf44babf562a7843588790c02fee2106
F mkopcodec.awk bd46ad001c98dfbab07b1713cb8e692fa0e5415d
F mkopcodeh.awk cde995d269aa06c94adbf6455bea0acedb913fa5
@ -58,7 +58,7 @@ F src/alter.c 2c79ec40f65e33deaf90ca493422c74586e481a3
F src/analyze.c 4bbf5ddf9680587c6d4917e02e378b6037be3651
F src/attach.c a16ada4a4654a0d126b8223ec9494ebb81bc5c3c
F src/auth.c 902f4722661c796b97f007d9606bd7529c02597f
F src/btree.c 27299eba3ad5aa1fed184c707576d12d0e608e8d
F src/btree.c 5a0f425843ff81f3308fd083e606344b48c332f8
F src/btree.h 9b2cc0d113c0bc2d37d244b9a394d56948c9acbf
F src/build.c 7c2efa468f0c404ef5aa648d43c383318390937f
F src/callback.c 31d22b4919c7645cbcbb1591ce2453e8c677c558
@ -88,7 +88,7 @@ F src/os_win.c c9a99524d6b2bdec636264cad1b67553925e3309
F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
F src/pager.c 642f804b20a71933fb83b13a1ce93cb4dd1390f7
F src/pager.h e79a24cf200b8771366217f5bca414f5b7823f42
F src/parse.y 6112045e2d3b8be20049645ab494b607d271d129
F src/parse.y b6cfbadb6d5b21b5087d30698ee5af0ebb098767
F src/pragma.c 3b992b5b2640d6ae25cef05aa6a42cd1d6c43234
F src/prepare.c 37207b2b2ccb41d379b01dd62231686bcc48ef1f
F src/printf.c 0c6f40648770831341ac45ab32423a80b4c87f05
@ -100,7 +100,7 @@ F src/sqlite.h.in e429f66f9245c7f8675db24b230c950b8672ad1c
F src/sqlite3ext.h 7d0d363ea7327e817ef0dfe1b7eee1f171b72890
F src/sqliteInt.h 347160d30eb61210417f1086aeb57d7d3e2a8191
F src/table.c 6d0da66dde26ee75614ed8f584a1996467088d06
F src/tclsqlite.c 58fd67ba2c5a6ca816ad110029b6cb2a44a3c707
F src/tclsqlite.c ec69eb9ad56d03fbf7570ca1ca5ea947d1ec4b6f
F src/test1.c 6021cbcede9bfab986ade678efa7226180f3edff
F src/test2.c 24458b17ab2f3c90cbc1c8446bd7ffe69be62f88
F src/test3.c 65f92247cf8592854e9bf5115b3fb711f8b33280
@ -112,6 +112,7 @@ F src/test8.c 2af036d73b5ebf1b74d19f36b1b1ab22e1d99df1
F src/test9.c cb1a7b5a4a918bb0552fd0101fd3f88d85904cd2
F src/test_async.c 9d326ceda4306bcab252b8f7e8e480ed45d7ccb6
F src/test_autoext.c 855157d97aa28cf84233847548bfacda21807436
F src/test_hexio.c 9644c0360c3e1090f4a5765b9eb0492bb273bbb5
F src/test_loadext.c 22065d601a18878e5542191001f0eaa5d77c0ed8
F src/test_md5.c 6c42bc0a3c0b54be34623ff77a0eec32b2fa96e3
F src/test_schema.c ced72140a3a25c148975428e170ec1850d3c3a7d
@ -185,6 +186,7 @@ F test/colmeta.test 6505c73ab58796afcb7c89ba9f429d573fbc6e53
F test/conflict.test 8a59399f61a14296a9bfed02e0570590a8a79cba
F test/corrupt.test 18c7a995b1af76a8c8600b996257f2c7b7bff083
F test/corrupt2.test 572f8df0303d0ce63ddad5c5c9101a83a345ae46
F test/corrupt3.test 9b3a005c9692206f2800a948f0c9c79728ffee7f
F test/crash.test 167eb4652eccbedb199b6f21850346c3f5d779fb
F test/crash2.test ccc7d5f202aeadc3c13003829e6bb6561129f419
F test/crashtest1.c 09c1c7d728ccf4feb9e481671e29dda5669bbcc2
@ -205,6 +207,7 @@ F test/exclusive.test 6748eb0539c4652d596971584c50200729e57dbe
F test/exclusive2.test 8d580e5bb8d49fde59fe1142543b7da081f28d06
F test/exclusive3.test 0e49c35b7e7cb8e7280b4ce3f0359d30b207d2ff
F test/expr.test ab21e2fc3613595131efd7d8bbca4b95ed5cc608
F test/filefmt.test 16107ce2c98843070ba5ec8f0c2ac31029bdabd6
F test/fkey1.test dcb4f28eb22d5141f15161d6bdca9a4f58c95729
F test/format4.test bf3bed3b13c63abfb3cfec232597a319a31d0bcc
F test/fts1a.test 46090311f85da51bb33bd5ce84f7948359c6d8d7
@ -295,7 +298,7 @@ F test/rowid.test 040a3bef06f970c45f5fcd14b2355f7f4d62f0cf
F test/safety.test 4a06934e45d03b8b50ebcd8d174eb0367d2fd851
F test/schema.test 8a2ae440fb15f5798a68059e8746402f3137be46
F test/schema2.test d815923e57e90b8c60ddf5e0d8fd65075e94f57f
F test/select1.test fa4e941da0a38961635d903530bd292dc149a8e8
F test/select1.test 1287b040f912b979ccc8d4b50ea585eeeacf1835
F test/select2.test f3c2678c3a9f3cf08ec4988a3845bda64be6d9e3
F test/select3.test 2d473f45c57c0526833e045fca0537badec0dd04
F test/select4.test 305ba0a6e97efc5544def5e5cb49b54e1bf87fd9
@ -451,7 +454,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
P a776d93ccae3bfa6e992cdd1387571dd21561f98
R fa0c92e65fb1c611f3e19261755e89a8
P 8e2559b4da6329d7c21925d0850f7f91a3731975
R bf361c806ccd54df8932ace1ba12eaf6
U drh
Z db8a808c353b3a8ae294eee8fe0830c1
Z e15d206887ea8f19e691b97bb3aee05c

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@ -1 +1 @@
8e2559b4da6329d7c21925d0850f7f91a3731975
479b3d965b19c3ec4cb72542718751debf8ff75c

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@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.351 2007/04/06 01:03:33 drh Exp $
** $Id: btree.c,v 1.352 2007/04/06 15:02:14 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@ -1870,7 +1870,7 @@ static int lockBtree(BtShared *pBt){
goto page1_init_failed;
}
pageSize = get2byte(&page1[16]);
if( ((pageSize-1)&pageSize)!=0 ){
if( ((pageSize-1)&pageSize)!=0 || pageSize<512 ){
goto page1_init_failed;
}
assert( (pageSize & 7)==0 );

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@ -14,7 +14,7 @@
** the parser. Lemon will also generate a header file containing
** numeric codes for all of the tokens.
**
** @(#) $Id: parse.y,v 1.217 2007/04/06 11:26:00 drh Exp $
** @(#) $Id: parse.y,v 1.218 2007/04/06 15:02:14 drh Exp $
*/
// All token codes are small integers with #defines that begin with "TK_"
@ -542,10 +542,18 @@ having_opt(A) ::= . {A = 0;}
having_opt(A) ::= HAVING expr(X). {A = X;}
%type limit_opt {struct LimitVal}
%destructor limit_opt {
sqlite3ExprDelete($$.pLimit);
sqlite3ExprDelete($$.pOffset);
}
// The destructor for limit_opt will never fire in the current grammar.
// The limit_opt non-terminal only occurs at the end of a single production
// rule for SELECT statements. As soon as the rule that create the
// limit_opt non-terminal reduces, the SELECT statement rule will also
// reduce. So there is never a limit_opt non-terminal on the stack
// except as a transient. So there is never anything to destroy.
//
//%destructor limit_opt {
// sqlite3ExprDelete($$.pLimit);
// sqlite3ExprDelete($$.pOffset);
//}
limit_opt(A) ::= . {A.pLimit = 0; A.pOffset = 0;}
limit_opt(A) ::= LIMIT expr(X). {A.pLimit = X; A.pOffset = 0;}
limit_opt(A) ::= LIMIT expr(X) OFFSET expr(Y).

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@ -12,7 +12,7 @@
** A TCL Interface to SQLite. Append this file to sqlite3.c and
** compile the whole thing to build a TCL-enabled version of SQLite.
**
** $Id: tclsqlite.c,v 1.178 2007/04/05 21:58:33 drh Exp $
** $Id: tclsqlite.c,v 1.179 2007/04/06 15:02:14 drh Exp $
*/
#include "tcl.h"
@ -2218,6 +2218,7 @@ int TCLSH_MAIN(int argc, char **argv){
extern int Sqlitetesttclvar_Init(Tcl_Interp*);
extern int Sqlitetestschema_Init(Tcl_Interp*);
extern int Sqlitetest_autoext_Init(Tcl_Interp*);
extern int Sqlitetest_hexio_Init(Tcl_Interp*);
Sqlitetest1_Init(interp);
Sqlitetest2_Init(interp);
@ -2232,6 +2233,7 @@ int TCLSH_MAIN(int argc, char **argv){
Sqlitetesttclvar_Init(interp);
Sqlitetestschema_Init(interp);
Sqlitetest_autoext_Init(interp);
Sqlitetest_hexio_Init(interp);
Md5_Init(interp);
#ifdef SQLITE_SSE
Sqlitetestsse_Init(interp);

311
src/test_hexio.c Normal file
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@ -0,0 +1,311 @@
/*
** 2007 April 6
**
** 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.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces. This code
** implements TCL commands for reading and writing the binary
** database files and displaying the content of those files as
** hexadecimal. We could, in theory, use the built-in "binary"
** command of TCL to do a lot of this, but there are some issues
** with historical versions of the "binary" command. So it seems
** easier and safer to build our own mechanism.
**
** $Id: test_hexio.c,v 1.1 2007/04/06 15:02:14 drh Exp $
*/
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
/*
hexio_read filename offset amt
hexio_write filename offset hexdata
hexio_get_int hexdata
hexio_get_varint hexdata
hexio_render_int8 integer
hexio_render_int16 integer
hexio_render_int38 integer
hexio_render_varint integer
*/
/*
** Convert binary to hex. The input zBuf[] contains N bytes of
** binary data. zBuf[] is 2*n+1 bytes long. Overwrite zBuf[]
** with a hexadecimal representation of its original binary input.
*/
static void binToHex(unsigned char *zBuf, int N){
const unsigned char zHex[] = "0123456789ABCDEF";
int i, j;
unsigned char c;
i = N*2;
zBuf[i--] = 0;
for(j=N-1; j>=0; j--){
c = zBuf[j];
zBuf[i--] = zHex[c&0xf];
zBuf[i--] = zHex[c>>4];
}
assert( i==-1 );
}
/*
** Convert hex to binary. The input zIn[] contains N bytes of
** hexadecimal. Convert this into binary and write aOut[] with
** the binary data. Spaces in the original input are ignored.
** Return the number of bytes of binary rendered.
*/
static int hexToBin(const unsigned char *zIn, int N, unsigned char *aOut){
const unsigned char aMap[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9,10, 0, 0, 0, 0, 0, 0,
0,11,12,13,14,15,16, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0,11,12,13,14,15,16, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
int i, j;
int hi=1;
unsigned char c;
for(i=j=0; i<N; i++){
c = aMap[zIn[i]];
if( c==0 ) continue;
if( hi ){
aOut[j] = (c-1)<<4;
hi = 0;
}else{
aOut[j++] |= c-1;
hi = 1;
}
}
return j;
}
/*
** Usage: hexio_read FILENAME OFFSET AMT
**
** Read AMT bytes from file FILENAME beginning at OFFSET from the
** beginning of the file. Convert that information to hexadecimal
** and return the resulting HEX string.
*/
static int hexio_read(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int offset;
int amt, got;
const char *zFile;
unsigned char *zBuf;
FILE *in;
if( objc!=4 ){
Tcl_WrongNumArgs(interp, 1, objv, "FILENAME OFFSET AMT");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, objv[2], &offset) ) return TCL_ERROR;
if( Tcl_GetIntFromObj(interp, objv[3], &amt) ) return TCL_ERROR;
zFile = Tcl_GetString(objv[1]);
zBuf = malloc( amt*2+1 );
if( zBuf==0 ){
return TCL_ERROR;
}
in = fopen(zFile, "r");
if( in==0 ){
Tcl_AppendResult(interp, "cannot open input file ", zFile, 0);
return TCL_ERROR;
}
fseek(in, offset, SEEK_SET);
got = fread(zBuf, 1, amt, in);
fclose(in);
if( got<0 ){
got = 0;
}
binToHex(zBuf, got);
Tcl_AppendResult(interp, zBuf, 0);
free(zBuf);
return TCL_OK;
}
/*
** Usage: hexio_write FILENAME OFFSET DATA
**
** Write DATA into file FILENAME beginning at OFFSET from the
** beginning of the file. DATA is expressed in hexadecimal.
*/
static int hexio_write(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int offset;
int nIn, nOut, written;
const char *zFile;
const unsigned char *zIn;
unsigned char *aOut;
FILE *out;
if( objc!=4 ){
Tcl_WrongNumArgs(interp, 1, objv, "FILENAME OFFSET HEXDATA");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, objv[2], &offset) ) return TCL_ERROR;
zFile = Tcl_GetString(objv[1]);
zIn = (const unsigned char *)Tcl_GetStringFromObj(objv[3], &nIn);
aOut = malloc( nIn/2 );
if( aOut==0 ){
return TCL_ERROR;
}
nOut = hexToBin(zIn, nIn, aOut);
out = fopen(zFile, "r+");
if( out==0 ){
Tcl_AppendResult(interp, "cannot open output file ", zFile, 0);
return TCL_ERROR;
}
fseek(out, offset, SEEK_SET);
written = fwrite(aOut, 1, nOut, out);
free(aOut);
fclose(out);
Tcl_SetObjResult(interp, Tcl_NewIntObj(written));
return TCL_OK;
}
/*
** USAGE: hexio_get_int HEXDATA
**
** Interpret the HEXDATA argument as a big-endian integer. Return
** the value of that integer. HEXDATA can contain between 2 and 8
** hexadecimal digits.
*/
static int hexio_get_int(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int val;
int nIn, nOut;
const unsigned char *zIn;
unsigned char *aOut;
unsigned char aNum[4];
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "HEXDATA");
return TCL_ERROR;
}
zIn = (const unsigned char *)Tcl_GetStringFromObj(objv[1], &nIn);
aOut = malloc( nIn/2 );
if( aOut==0 ){
return TCL_ERROR;
}
nOut = hexToBin(zIn, nIn, aOut);
if( nOut>=4 ){
memcpy(aNum, aOut, 4);
}else{
memset(aNum, 0, sizeof(aNum));
memcpy(&aNum[4-nOut], aOut, 4-nOut);
}
free(aOut);
val = (aNum[0]<<24) | (aNum[1]<<16) | (aNum[2]<<8) | aNum[3];
Tcl_SetObjResult(interp, Tcl_NewIntObj(val));
return TCL_OK;
}
/*
** USAGE: hexio_render_int16 INTEGER
**
** Render INTEGER has a 16-bit big-endian integer in hexadecimal.
*/
static int hexio_render_int16(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int val;
unsigned char aNum[10];
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "INTEGER");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, objv[1], &val) ) return TCL_ERROR;
aNum[0] = val>>8;
aNum[1] = val;
binToHex(aNum, 2);
Tcl_SetObjResult(interp, Tcl_NewStringObj((char*)aNum, 4));
return TCL_OK;
}
/*
** USAGE: hexio_render_int32 INTEGER
**
** Render INTEGER has a 32-bit big-endian integer in hexadecimal.
*/
static int hexio_render_int32(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int val;
unsigned char aNum[10];
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "INTEGER");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, objv[1], &val) ) return TCL_ERROR;
aNum[0] = val>>24;
aNum[1] = val>>16;
aNum[2] = val>>8;
aNum[3] = val;
binToHex(aNum, 4);
Tcl_SetObjResult(interp, Tcl_NewStringObj((char*)aNum, 8));
return TCL_OK;
}
/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest_hexio_Init(Tcl_Interp *interp){
static struct {
char *zName;
Tcl_ObjCmdProc *xProc;
} aObjCmd[] = {
{ "hexio_read", hexio_read },
{ "hexio_write", hexio_write },
{ "hexio_get_int", hexio_get_int },
{ "hexio_render_int16", hexio_render_int16 },
{ "hexio_render_int32", hexio_render_int32 },
};
int i;
for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
Tcl_CreateObjCommand(interp, aObjCmd[i].zName, aObjCmd[i].xProc, 0, 0);
}
return TCL_OK;
}

108
test/corrupt3.test Normal file
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@ -0,0 +1,108 @@
# 2007 April 6
#
# 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.
#
# This file implements tests to make sure SQLite does not crash or
# segfault if it sees a corrupt database file.
#
# $Id: corrupt3.test,v 1.1 2007/04/06 15:02:14 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# We must have the page_size pragma for these tests to work.
#
ifcapable !pager_pragmas {
finish_test
return
}
# Create a database with an overflow page.
#
do_test corrupt3-1.1 {
set bigstring [string repeat 0123456789 200]
execsql {
PRAGMA page_size=1024;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES($bigstring);
}
file size test.db
} [expr {1024*3}]
# Verify that the file format is as we expect. The page size
# should be 1024 bytes. The only record should have a single
# overflow page. The overflow page is page 3. The pointer to
# the overflow page is on the last 4 bytes of page 2.
#
do_test corrupt3-1.2 {
hexio_get_int [hexio_read test.db 16 2]
} 1024 ;# The page size is 1024
do_test corrupt3-1.3 {
hexio_get_int [hexio_read test.db 20 1]
} 0 ;# Unused bytes per page is 0
do_test corrupt3-1.4 {
hexio_get_int [hexio_read test.db 2044 4]
} 3 ;# Overflow page is 3
do_test corrupt3-1.5 {
hexio_get_int [hexio_read test.db 2048 4]
} 0 ;# First chained overflow is 0
integrity_check corrupt3-1.6
# Make the overflow chain loop back on itself. See if the
# corruption is detected. (Actually, the last pointer in
# an overflow chain is ignored, so this is not an error.)
#
do_test corrupt3-1.7 {
db close
hexio_write test.db 2048 [hexio_render_int32 3]
sqlite3 db test.db
catchsql {
SELECT x FROM t1
}
} [list 0 $bigstring]
integrity_check corrupt3-1.8
# Change the pointer for the first page of the overflow
# change to be a non-existant page.
#
do_test corrupt3-1.9 {
db close
hexio_write test.db 2044 [hexio_render_int32 4]
sqlite3 db test.db
catchsql {
SELECT substr(x,1,10) FROM t1
}
} [list 0 0123456789]
do_test corrupt3-1.10 {
catchsql {
PRAGMA integrity_check
}
} {0 {{*** in database main ***
On tree page 2 cell 0: invalid page number 4
Page 3 is never used}}}
do_test corrupt3-1.11 {
db close
hexio_write test.db 2044 [hexio_render_int32 0]
sqlite3 db test.db
catchsql {
SELECT substr(x,1,10) FROM t1
}
} [list 1 {database disk image is malformed}]
do_test corrupt3-1.12 {
catchsql {
PRAGMA integrity_check
}
} {0 {{*** in database main ***
On tree page 2 cell 0: 1 of 1 pages missing from overflow list starting at 0
Page 3 is never used}}}
finish_test

112
test/filefmt.test Normal file
View File

@ -0,0 +1,112 @@
# 2007 April 6
#
# 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.
#
# This file implements tests to verify database file format.
#
# $Id: filefmt.test,v 1.1 2007/04/06 15:02:14 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
db close
file delete -force test.db test.db-journal
# Database begins with valid 16-byte header string.
#
do_test filefmt-1.1 {
sqlite3 db test.db
db eval {CREATE TABLE t1(x)}
db close
hexio_read test.db 0 16
} {53514C69746520666F726D6174203300}
# If the 16-byte header is changed, the file will not open
#
do_test filefmt-1.2 {
hexio_write test.db 0 54
set x [catch {sqlite3 db test.db} err]
lappend x $err
} {0 {}}
do_test filefmt-1.3 {
catchsql {
SELECT count(*) FROM sqlite_master
}
} {1 {file is encrypted or is not a database}}
do_test filefmt-1.4 {
db close
hexio_write test.db 0 53
sqlite3 db test.db
catchsql {
SELECT count(*) FROM sqlite_master
}
} {0 1}
# The page-size is stored at offset 16
#
ifcapable pager_pragmas {
foreach pagesize {512 1024 2048 4096 8192 16384 32768} {
do_test filefmt-1.5.$pagesize.1 {
db close
file delete -force test.db
sqlite3 db test.db
db eval "PRAGMA page_size=$pagesize"
db eval {CREATE TABLE t1(x)}
file size test.db
} [expr $pagesize*2]
do_test filefmt-1.5.$pagesize.2 {
hexio_get_int [hexio_read test.db 16 2]
} $pagesize
}
}
# The page-size must be a power of 2
#
do_test filefmt-1.6 {
db close
hexio_write test.db 16 [hexio_render_int16 1025]
sqlite3 db test.db
catchsql {
SELECT count(*) FROM sqlite_master
}
} {1 {file is encrypted or is not a database}}
# The page-size must be at least 512 bytes
#
do_test filefmt-1.7 {
db close
hexio_write test.db 16 [hexio_render_int16 256]
sqlite3 db test.db
catchsql {
SELECT count(*) FROM sqlite_master
}
} {1 {file is encrypted or is not a database}}
# Usable space per page (page-size minus unused space per page)
# must be at least 500 bytes
#
ifcapable pager_pragmas {
do_test filefmt-1.8 {
db close
file delete -force test.db
sqlite3 db test.db
db eval {PRAGMA page_size=512; CREATE TABLE t1(x)}
db close
hexio_write test.db 20 10
sqlite3 db test.db
catchsql {
SELECT count(*) FROM sqlite_master
}
} {1 {file is encrypted or is not a database}}
}
finish_test

View File

@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the SELECT statement.
#
# $Id: select1.test,v 1.51 2006/04/11 14:16:22 drh Exp $
# $Id: select1.test,v 1.52 2007/04/06 15:02:14 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -546,6 +546,11 @@ do_test select1-7.8 {
}} msg]
lappend v $msg
} {1 {near ";": syntax error}}
do_test select1-7.9 {
catchsql {
SELECT f1 FROM test1 LIMIT 5+3 OFFSET 11 ORDER BY f2;
}
} {1 {near "ORDER": syntax error}}
do_test select1-8.1 {
execsql {SELECT f1 FROM test1 WHERE 4.3+2.4 OR 1 ORDER BY f1}