1 /* 2 ** 2007 March 29 3 ** 4 ** The author disclaims copyright to this source code. In place of 5 ** a legal notice, here is a blessing: 6 ** 7 ** May you do good and not evil. 8 ** May you find forgiveness for yourself and forgive others. 9 ** May you share freely, never taking more than you give. 10 ** 11 ************************************************************************* 12 ** 13 ** This file contains obscure tests of the C-interface required 14 ** for completeness. Test code is written in C for these cases 15 ** as there is not much point in binding to Tcl. 16 ** 17 ** $Id: test9.c,v 1.4 2007/08/21 10:44:16 drh Exp $ 18 */ 19 #include "sqliteInt.h" 20 #include "tcl.h" 21 #include <stdlib.h> 22 #include <string.h> 23 24 /* 25 ** c_collation_test 26 */ 27 static int c_collation_test( 28 ClientData clientData, /* Pointer to sqlite3_enable_XXX function */ 29 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ 30 int objc, /* Number of arguments */ 31 Tcl_Obj *CONST objv[] /* Command arguments */ 32 ){ 33 const char *zErrFunction = "N/A"; 34 sqlite3 *db; 35 36 int rc; 37 if( objc!=1 ){ 38 Tcl_WrongNumArgs(interp, 1, objv, ""); 39 return TCL_ERROR; 40 } 41 42 /* Open a database. */ 43 rc = sqlite3_open(":memory:", &db); 44 if( rc!=SQLITE_OK ){ 45 zErrFunction = "sqlite3_open"; 46 goto error_out; 47 } 48 49 rc = sqlite3_create_collation(db, "collate", 456, 0, 0); 50 if( rc!=SQLITE_ERROR ){ 51 sqlite3_close(db); 52 zErrFunction = "sqlite3_create_collation"; 53 goto error_out; 54 } 55 56 sqlite3_close(db); 57 return TCL_OK; 58 59 error_out: 60 Tcl_ResetResult(interp); 61 Tcl_AppendResult(interp, "Error testing function: ", zErrFunction, 0); 62 return TCL_ERROR; 63 } 64 65 /* 66 ** c_realloc_test 67 */ 68 static int c_realloc_test( 69 ClientData clientData, /* Pointer to sqlite3_enable_XXX function */ 70 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ 71 int objc, /* Number of arguments */ 72 Tcl_Obj *CONST objv[] /* Command arguments */ 73 ){ 74 void *p; 75 const char *zErrFunction = "N/A"; 76 77 if( objc!=1 ){ 78 Tcl_WrongNumArgs(interp, 1, objv, ""); 79 return TCL_ERROR; 80 } 81 82 p = sqlite3_malloc(5); 83 if( !p ){ 84 zErrFunction = "sqlite3_malloc"; 85 goto error_out; 86 } 87 88 /* Test that realloc()ing a block of memory to a negative size is 89 ** the same as free()ing that memory. 90 */ 91 p = sqlite3_realloc(p, -1); 92 if( p ){ 93 zErrFunction = "sqlite3_realloc"; 94 goto error_out; 95 } 96 97 return TCL_OK; 98 99 error_out: 100 Tcl_ResetResult(interp); 101 Tcl_AppendResult(interp, "Error testing function: ", zErrFunction, 0); 102 return TCL_ERROR; 103 } 104 105 106 /* 107 ** c_misuse_test 108 */ 109 static int c_misuse_test( 110 ClientData clientData, /* Pointer to sqlite3_enable_XXX function */ 111 Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ 112 int objc, /* Number of arguments */ 113 Tcl_Obj *CONST objv[] /* Command arguments */ 114 ){ 115 const char *zErrFunction = "N/A"; 116 sqlite3 *db = 0; 117 int rc; 118 119 if( objc!=1 ){ 120 Tcl_WrongNumArgs(interp, 1, objv, ""); 121 return TCL_ERROR; 122 } 123 124 /* Open a database. Then close it again. We need to do this so that 125 ** we have a "closed database handle" to pass to various API functions. 126 */ 127 rc = sqlite3_open(":memory:", &db); 128 if( rc!=SQLITE_OK ){ 129 zErrFunction = "sqlite3_open"; 130 goto error_out; 131 } 132 sqlite3_close(db); 133 134 #ifndef SQLITE_OMIT_UTF16 135 rc = sqlite3_collation_needed16(db, 0, 0); 136 if( rc!=SQLITE_MISUSE ){ 137 zErrFunction = "sqlite3_collation_needed16"; 138 goto error_out; 139 } 140 #endif 141 142 rc = sqlite3_collation_needed(db, 0, 0); 143 if( rc!=SQLITE_MISUSE ){ 144 zErrFunction = "sqlite3_collation_needed"; 145 goto error_out; 146 } 147 148 rc = sqlite3_create_collation(db, 0, 0, 0, 0); 149 if( rc!=SQLITE_MISUSE ){ 150 zErrFunction = "sqlite3_create_collation"; 151 goto error_out; 152 } 153 154 rc = sqlite3_create_function(db, 0, 0, 0, 0, 0, 0, 0); 155 if( rc!=SQLITE_MISUSE ){ 156 zErrFunction = "sqlite3_create_function"; 157 goto error_out; 158 } 159 160 rc = sqlite3_busy_handler(db, 0, 0); 161 if( rc!=SQLITE_MISUSE ){ 162 zErrFunction = "sqlite3_busy_handler"; 163 goto error_out; 164 } 165 166 rc = sqlite3_errcode(db); 167 if( rc!=SQLITE_MISUSE ){ 168 zErrFunction = "sqlite3_busy_handler"; 169 goto error_out; 170 } 171 172 #ifndef SQLITE_OMIT_UTF16 173 rc = sqlite3_prepare16(db, 0, 0, 0, 0); 174 if( rc!=SQLITE_MISUSE ){ 175 zErrFunction = "sqlite3_prepare16"; 176 goto error_out; 177 } 178 #endif 179 180 return TCL_OK; 181 182 error_out: 183 Tcl_ResetResult(interp); 184 Tcl_AppendResult(interp, "Error testing function: ", zErrFunction, 0); 185 return TCL_ERROR; 186 } 187 188 /* 189 ** Register commands with the TCL interpreter. 190 */ 191 int Sqlitetest9_Init(Tcl_Interp *interp){ 192 static struct { 193 char *zName; 194 Tcl_ObjCmdProc *xProc; 195 void *clientData; 196 } aObjCmd[] = { 197 { "c_misuse_test", c_misuse_test, 0 }, 198 { "c_realloc_test", c_realloc_test, 0 }, 199 { "c_collation_test", c_collation_test, 0 }, 200 }; 201 int i; 202 for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){ 203 Tcl_CreateObjCommand(interp, aObjCmd[i].zName, 204 aObjCmd[i].xProc, aObjCmd[i].clientData, 0); 205 } 206 return TCL_OK; 207 } 208