SQLite

Check-in [0b7bd9c315]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Explicitly test some error cases that up until now have not been checked. (CVS 3743)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 0b7bd9c315501743e2364ecccefeeba326d5df51
User & Date: danielk1977 2007-03-29 12:24:17.000
Context
2007-03-29
13:35
Fix a bug in XFER optimization introduced by check-in (3736). (CVS 3744) (check-in: 3714ac1732 user: drh tags: trunk)
12:24
Explicitly test some error cases that up until now have not been checked. (CVS 3743) (check-in: 0b7bd9c315 user: danielk1977 tags: trunk)
12:19
Explicitly test some error cases that up until now have not been checked. (CVS 3742) (check-in: f26b014109 user: danielk1977 tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Added src/test9.c.
































































































































































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
/*
** 2007 March 29
**
** 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 contains obscure tests of the C-interface required
** for completeness. Test code is written in C for these cases
** as there is not much point in binding to Tcl.
**
** $Id: test9.c,v 1.1 2007/03/29 12:24:17 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>

/*
** c_collation_test
*/
static int c_collation_test(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  void *p;
  const char *zErrFunction = "N/A";
  sqlite3 *db;

  int rc;
  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  /* Open a database. */
  rc = sqlite3_open(":memory:", &db);
  if( rc!=SQLITE_OK ){
    zErrFunction = "sqlite3_open";
    goto error_out;
  }

  rc = sqlite3_create_collation(db, "collate", 456, 0, 0);
  if( rc!=SQLITE_ERROR ){
    sqlite3_close(db);
    zErrFunction = "sqlite3_create_collation";
    goto error_out;
  }

  sqlite3_close(db);
  return TCL_OK;

error_out:
  Tcl_ResetResult(interp);
  Tcl_AppendResult(interp, "Error testing function: ", zErrFunction, 0);
  return TCL_ERROR;
}

/*
** c_realloc_test
*/
static int c_realloc_test(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  void *p;
  const char *zErrFunction = "N/A";

  sqlite3 *db;
  int rc;
  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  p = sqlite3_malloc(5);
  if( !p ){
    zErrFunction = "sqlite3_malloc";
    goto error_out;
  }

  /* Test that realloc()ing a block of memory to a negative size is
  ** the same as free()ing that memory.
  */
  p = sqlite3_realloc(p, -1);
  if( p ){
    zErrFunction = "sqlite3_realloc";
    goto error_out;
  }

  return TCL_OK;

error_out:
  Tcl_ResetResult(interp);
  Tcl_AppendResult(interp, "Error testing function: ", zErrFunction, 0);
  return TCL_ERROR;
}


/*
** c_misuse_test
*/
static int c_misuse_test(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  const char *zErrFunction = "N/A";
  sqlite3 *db = 0;
  int rc;

  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  /* Open a database. Then close it again. We need to do this so that
  ** we have a "closed database handle" to pass to various API functions.
  */
  rc = sqlite3_open(":memory:", &db);
  if( rc!=SQLITE_OK ){
    zErrFunction = "sqlite3_open";
    goto error_out;
  }
  sqlite3_close(db);

  rc = sqlite3_collation_needed16(db, 0, 0);
  if( rc!=SQLITE_MISUSE ){
    zErrFunction = "sqlite3_collation_needed16";
    goto error_out;
  }

  rc = sqlite3_collation_needed(db, 0, 0);
  if( rc!=SQLITE_MISUSE ){
    zErrFunction = "sqlite3_collation_needed";
    goto error_out;
  }

  rc = sqlite3_create_collation(db, 0, 0, 0, 0);
  if( rc!=SQLITE_MISUSE ){
    zErrFunction = "sqlite3_create_collation";
    goto error_out;
  }

  rc = sqlite3_create_function(db, 0, 0, 0, 0, 0, 0, 0);
  if( rc!=SQLITE_MISUSE ){
    zErrFunction = "sqlite3_create_function";
    goto error_out;
  }

  rc = sqlite3_busy_handler(db, 0, 0);
  if( rc!=SQLITE_MISUSE ){
    zErrFunction = "sqlite3_busy_handler";
    goto error_out;
  }

  rc = sqlite3_errcode(db);
  if( rc!=SQLITE_MISUSE ){
    zErrFunction = "sqlite3_busy_handler";
    goto error_out;
  }

  rc = sqlite3_prepare16(db, 0, 0, 0, 0);
  if( rc!=SQLITE_MISUSE ){
    zErrFunction = "sqlite3_prepare16";
    goto error_out;
  }

  return TCL_OK;

error_out:
  Tcl_ResetResult(interp);
  Tcl_AppendResult(interp, "Error testing function: ", zErrFunction, 0);
  return TCL_ERROR;
}

/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest9_Init(Tcl_Interp *interp){
  static struct {
     char *zName;
     Tcl_ObjCmdProc *xProc;
     void *clientData;
  } aObjCmd[] = {
     { "c_misuse_test",    c_misuse_test, 0 },
     { "c_realloc_test",   c_realloc_test, 0 },
     { "c_collation_test", c_collation_test, 0 },
  };
  int i;
  for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
    Tcl_CreateObjCommand(interp, aObjCmd[i].zName, 
        aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
  }
  return TCL_OK;
}