1 /* 2 ** 2001 September 15 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 ** Code for testing the utf.c module in SQLite. This code 13 ** is not included in the SQLite library. It is used for automated 14 ** testing of the SQLite library. Specifically, the code in this file 15 ** is used for testing the SQLite routines for converting between 16 ** the various supported unicode encodings. 17 ** 18 ** $Id: test5.c,v 1.21 2008/07/28 19:34:54 drh Exp $ 19 */ 20 #include "sqliteInt.h" 21 #include "vdbeInt.h" 22 #include "tcl.h" 23 #include <stdlib.h> 24 #include <string.h> 25 26 /* 27 ** The first argument is a TCL UTF-8 string. Return the byte array 28 ** object with the encoded representation of the string, including 29 ** the NULL terminator. 30 */ 31 static int binarize( 32 void * clientData, 33 Tcl_Interp *interp, 34 int objc, 35 Tcl_Obj *CONST objv[] 36 ){ 37 int len; 38 char *bytes; 39 Tcl_Obj *pRet; 40 assert(objc==2); 41 42 bytes = Tcl_GetStringFromObj(objv[1], &len); 43 pRet = Tcl_NewByteArrayObj((u8*)bytes, len+1); 44 Tcl_SetObjResult(interp, pRet); 45 return TCL_OK; 46 } 47 48 /* 49 ** Usage: test_value_overhead <repeat-count> <do-calls>. 50 ** 51 ** This routine is used to test the overhead of calls to 52 ** sqlite3_value_text(), on a value that contains a UTF-8 string. The idea 53 ** is to figure out whether or not it is a problem to use sqlite3_value 54 ** structures with collation sequence functions. 55 ** 56 ** If <do-calls> is 0, then the calls to sqlite3_value_text() are not 57 ** actually made. 58 */ 59 static int test_value_overhead( 60 void * clientData, 61 Tcl_Interp *interp, 62 int objc, 63 Tcl_Obj *CONST objv[] 64 ){ 65 int do_calls; 66 int repeat_count; 67 int i; 68 Mem val; 69 const char *zVal; 70 71 if( objc!=3 ){ 72 Tcl_AppendResult(interp, "wrong # args: should be \"", 73 Tcl_GetStringFromObj(objv[0], 0), " <repeat-count> <do-calls>", 0); 74 return TCL_ERROR; 75 } 76 77 if( Tcl_GetIntFromObj(interp, objv[1], &repeat_count) ) return TCL_ERROR; 78 if( Tcl_GetIntFromObj(interp, objv[2], &do_calls) ) return TCL_ERROR; 79 80 val.flags = MEM_Str|MEM_Term|MEM_Static; 81 val.z = "hello world"; 82 val.type = SQLITE_TEXT; 83 val.enc = SQLITE_UTF8; 84 85 for(i=0; i<repeat_count; i++){ 86 if( do_calls ){ 87 zVal = (char*)sqlite3_value_text(&val); 88 } 89 } 90 91 return TCL_OK; 92 } 93 94 static u8 name_to_enc(Tcl_Interp *interp, Tcl_Obj *pObj){ 95 struct EncName { 96 char *zName; 97 u8 enc; 98 } encnames[] = { 99 { "UTF8", SQLITE_UTF8 }, 100 { "UTF16LE", SQLITE_UTF16LE }, 101 { "UTF16BE", SQLITE_UTF16BE }, 102 { "UTF16", SQLITE_UTF16NATIVE }, 103 { 0, 0 } 104 }; 105 struct EncName *pEnc; 106 char *z = Tcl_GetString(pObj); 107 for(pEnc=&encnames[0]; pEnc->zName; pEnc++){ 108 if( 0==sqlite3StrICmp(z, pEnc->zName) ){ 109 break; 110 } 111 } 112 if( !pEnc->enc ){ 113 Tcl_AppendResult(interp, "No such encoding: ", z, 0); 114 } 115 return pEnc->enc; 116 } 117 118 /* 119 ** Usage: test_translate <string/blob> <from enc> <to enc> ?<transient>? 120 ** 121 */ 122 static int test_translate( 123 void * clientData, 124 Tcl_Interp *interp, 125 int objc, 126 Tcl_Obj *CONST objv[] 127 ){ 128 u8 enc_from; 129 u8 enc_to; 130 sqlite3_value *pVal; 131 132 char *z; 133 int len; 134 void (*xDel)(void *p) = SQLITE_STATIC; 135 136 if( objc!=4 && objc!=5 ){ 137 Tcl_AppendResult(interp, "wrong # args: should be \"", 138 Tcl_GetStringFromObj(objv[0], 0), 139 " <string/blob> <from enc> <to enc>", 0 140 ); 141 return TCL_ERROR; 142 } 143 if( objc==5 ){ 144 xDel = sqlite3_free; 145 } 146 147 enc_from = name_to_enc(interp, objv[2]); 148 if( !enc_from ) return TCL_ERROR; 149 enc_to = name_to_enc(interp, objv[3]); 150 if( !enc_to ) return TCL_ERROR; 151 152 pVal = sqlite3ValueNew(0); 153 154 if( enc_from==SQLITE_UTF8 ){ 155 z = Tcl_GetString(objv[1]); 156 if( objc==5 ){ 157 z = sqlite3DbStrDup(0, z); 158 } 159 sqlite3ValueSetStr(pVal, -1, z, enc_from, xDel); 160 }else{ 161 z = (char*)Tcl_GetByteArrayFromObj(objv[1], &len); 162 if( objc==5 ){ 163 char *zTmp = z; 164 z = sqlite3_malloc(len); 165 memcpy(z, zTmp, len); 166 } 167 sqlite3ValueSetStr(pVal, -1, z, enc_from, xDel); 168 } 169 170 z = (char *)sqlite3ValueText(pVal, enc_to); 171 len = sqlite3ValueBytes(pVal, enc_to) + (enc_to==SQLITE_UTF8?1:2); 172 Tcl_SetObjResult(interp, Tcl_NewByteArrayObj((u8*)z, len)); 173 174 sqlite3ValueFree(pVal); 175 176 return TCL_OK; 177 } 178 179 /* 180 ** Usage: translate_selftest 181 ** 182 ** Call sqlite3UtfSelfTest() to run the internal tests for unicode 183 ** translation. If there is a problem an assert() will fail. 184 **/ 185 void sqlite3UtfSelfTest(); 186 static int test_translate_selftest( 187 void * clientData, 188 Tcl_Interp *interp, 189 int objc, 190 Tcl_Obj *CONST objv[] 191 ){ 192 #ifndef SQLITE_OMIT_UTF16 193 sqlite3UtfSelfTest(); 194 #endif 195 return SQLITE_OK; 196 } 197 198 199 /* 200 ** Register commands with the TCL interpreter. 201 */ 202 int Sqlitetest5_Init(Tcl_Interp *interp){ 203 static struct { 204 char *zName; 205 Tcl_ObjCmdProc *xProc; 206 } aCmd[] = { 207 { "binarize", (Tcl_ObjCmdProc*)binarize }, 208 { "test_value_overhead", (Tcl_ObjCmdProc*)test_value_overhead }, 209 { "test_translate", (Tcl_ObjCmdProc*)test_translate }, 210 { "translate_selftest", (Tcl_ObjCmdProc*)test_translate_selftest}, 211 }; 212 int i; 213 for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){ 214 Tcl_CreateObjCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0); 215 } 216 return SQLITE_OK; 217 } 218