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Additional test cases added on the sqlite3_create_function() interface. (CVS 5349)

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FossilOrigin-Name: 4e941f3d43556d8a503bb96e8a74451de36d243e
This commit is contained in:
drh
2008-07-07 14:50:14 +00:00
parent a2820970c5
commit 24b58dd717
9 changed files with 172 additions and 37 deletions
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98
src/test_func.c
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@@ -12,7 +12,7 @@
** Code for testing all sorts of SQLite interfaces. This code
** implements new SQL functions used by the test scripts.
**
** $Id: test_func.c,v 1.5 2008/04/15 12:14:22 drh Exp $
** $Id: test_func.c,v 1.6 2008/07/07 14:50:14 drh Exp $
*/
#include "sqlite3.h"
#include "tcl.h"
@@ -275,6 +275,101 @@ static int autoinstall_test_funcs(
return TCL_OK;
}
/*
** A bogus step function and finalizer function.
*/
static void tStep(sqlite3_context *a, int b, sqlite3_value **c){}
static void tFinal(sqlite3_context *a){}
/*
** tclcmd: abuse_create_function
**
** Make various calls to sqlite3_create_function that do not have valid
** parameters. Verify that the error condition is detected and reported.
*/
static int abuse_create_function(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
sqlite3 *db;
int rc;
int mxArg;
if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
rc = sqlite3_create_function(db, "tx", 1, SQLITE_UTF8, 0, tStep,tStep,tFinal);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
rc = sqlite3_create_function(db, "tx", 1, SQLITE_UTF8, 0, tStep, tStep, 0);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
rc = sqlite3_create_function(db, "tx", 1, SQLITE_UTF8, 0, tStep, 0, tFinal);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
rc = sqlite3_create_function(db, "tx", 1, SQLITE_UTF8, 0, 0, 0, tFinal);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
rc = sqlite3_create_function(db, "tx", 1, SQLITE_UTF8, 0, 0, tStep, 0);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
rc = sqlite3_create_function(db, "tx", -2, SQLITE_UTF8, 0, tStep, 0, 0);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
rc = sqlite3_create_function(db, "tx", 128, SQLITE_UTF8, 0, tStep, 0, 0);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
rc = sqlite3_create_function(db, "funcxx"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789",
1, SQLITE_UTF8, 0, tStep, 0, 0);
if( rc!=SQLITE_ERROR ) goto abuse_err;
if( sqlite3_errcode(db)!=SQLITE_ERROR ) goto abuse_err;
if( strcmp(sqlite3_errmsg(db), "bad parameters")!=0 ) goto abuse_err;
/* This last function registration should actually work. Generate
** a no-op function (that always returns NULL) and which has the
** maximum-length function name and the maximum number of parameters.
*/
sqlite3_limit(db, SQLITE_LIMIT_FUNCTION_ARG, 10000);
mxArg = sqlite3_limit(db, SQLITE_LIMIT_FUNCTION_ARG, -1);
rc = sqlite3_create_function(db, "nullx"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789"
"_123456789_123456789_123456789_123456789_123456789",
mxArg, SQLITE_UTF8, 0, tStep, 0, 0);
if( rc!=SQLITE_OK ) goto abuse_err;
return TCL_OK;
abuse_err:
Tcl_AppendResult(interp, "sqlite3_create_function abused test failed",
(char*)0);
return TCL_ERROR;
}
/*
@@ -286,6 +381,7 @@ int Sqlitetest_func_Init(Tcl_Interp *interp){
Tcl_ObjCmdProc *xProc;
} aObjCmd[] = {
{ "autoinstall_test_functions", autoinstall_test_funcs },
{ "abuse_create_function", abuse_create_function },
};
int i;
for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){