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Overview
Comment:Add the --info option to the fuzzcheck test utility.
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SHA3-256:1caaaaa70f21fe71fbe0af227eea8d1367870e2575eedf248cc2a0b515783390
User & Date: drh 2018-08-06 01:39:31
Context
2018-08-06
02:08
Enhance the edit() function so that it converts text from \r\n back into \n only if the original unedited copy contained no \r\n values. check-in: 20c995d3 user: drh tags: trunk
01:39
Add the --info option to the fuzzcheck test utility. check-in: 1caaaaa7 user: drh tags: trunk
01:21
Fix an overzealous assert() statement discovered by OSSFuzz. check-in: d9c9fe9f user: drh tags: trunk
Changes
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Changes to test/fuzzcheck.c.

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"each database, checking for crashes and memory leaks.\n"
"Options:\n"
"  --cell-size-check    Set the PRAGMA cell_size_check=ON\n"
"  --dbid N             Use only the database where dbid=N\n"
"  --export-db DIR      Write databases to files(s) in DIR. Works with --dbid\n"
"  --export-sql DIR     Write SQL to file(s) in DIR. Also works with --sqlid\n"
"  --help               Show this help text\n"
"  -q|--quiet           Reduced output\n"
"  --limit-mem N        Limit memory used by test SQLite instance to N bytes\n"
"  --limit-vdbe         Panic if any test runs for more than 100,000 cycles\n"
"  --load-sql ARGS...   Load SQL scripts fron files into SOURCE-DB\n"
"  --load-db ARGS...    Load template databases from files into SOURCE_DB\n"
"  -m TEXT              Add a description to the database\n"
"  --native-vfs         Use the native VFS for initially empty database files\n"
"  --native-malloc      Turn off MEMSYS3/5 and Lookaside\n"
"  --oss-fuzz           Enable OSS-FUZZ testing\n"
"  --prng-seed N        Seed value for the PRGN inside of SQLite\n"

"  --rebuild            Rebuild and vacuum the database file\n"
"  --result-trace       Show the results of each SQL command\n"
"  --sqlid N            Use only SQL where sqlid=N\n"
"  --timeout N          Abort if any single test needs more than N seconds\n"
"  -v|--verbose         Increased output.  Repeat for more output.\n"
  );
}
................................................................................
  Blob *pDb;                   /* For looping over template databases */
  int i;                       /* Loop index for the argv[] loop */
  int onlySqlid = -1;          /* --sqlid */
  int onlyDbid = -1;           /* --dbid */
  int nativeFlag = 0;          /* --native-vfs */
  int rebuildFlag = 0;         /* --rebuild */
  int vdbeLimitFlag = 0;       /* --limit-vdbe */

  int timeoutTest = 0;         /* undocumented --timeout-test flag */
  int runFlags = 0;            /* Flags sent to runSql() */
  char *zMsg = 0;              /* Add this message */
  int nSrcDb = 0;              /* Number of source databases */
  char **azSrcDb = 0;          /* Array of source database names */
  int iSrcDb;                  /* Loop over all source databases */
  int nTest = 0;               /* Total number of tests performed */
................................................................................
      if( strcmp(z,"export-sql")==0 ){
        if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
        zExpSql = argv[++i];
      }else
      if( strcmp(z,"help")==0 ){
        showHelp();
        return 0;



      }else
      if( strcmp(z,"limit-mem")==0 ){
#if !defined(SQLITE_ENABLE_MEMSYS3) && !defined(SQLITE_ENABLE_MEMSYS5)
        fatalError("the %s option requires -DSQLITE_ENABLE_MEMSYS5 or _MEMSYS3",
                   argv[i]);
#else
        if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
................................................................................
  for(iSrcDb=0; iSrcDb<nSrcDb; iSrcDb++){
    rc = sqlite3_open_v2(azSrcDb[iSrcDb], &db,
                         openFlags4Data, pDfltVfs->zName);
    if( rc ){
      fatalError("cannot open source database %s - %s",
      azSrcDb[iSrcDb], sqlite3_errmsg(db));
    }




































    rc = sqlite3_exec(db,
       "CREATE TABLE IF NOT EXISTS db(\n"
       "  dbid INTEGER PRIMARY KEY, -- database id\n"
       "  dbcontent BLOB            -- database disk file image\n"
       ");\n"
       "CREATE TABLE IF NOT EXISTS xsql(\n"
       "  sqlid INTEGER PRIMARY KEY,   -- SQL script id\n"







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"each database, checking for crashes and memory leaks.\n"
"Options:\n"
"  --cell-size-check    Set the PRAGMA cell_size_check=ON\n"
"  --dbid N             Use only the database where dbid=N\n"
"  --export-db DIR      Write databases to files(s) in DIR. Works with --dbid\n"
"  --export-sql DIR     Write SQL to file(s) in DIR. Also works with --sqlid\n"
"  --help               Show this help text\n"
"  --info               Show information about SOURCE-DB w/o running tests\n"
"  --limit-mem N        Limit memory used by test SQLite instance to N bytes\n"
"  --limit-vdbe         Panic if any test runs for more than 100,000 cycles\n"
"  --load-sql ARGS...   Load SQL scripts fron files into SOURCE-DB\n"
"  --load-db ARGS...    Load template databases from files into SOURCE_DB\n"
"  -m TEXT              Add a description to the database\n"
"  --native-vfs         Use the native VFS for initially empty database files\n"
"  --native-malloc      Turn off MEMSYS3/5 and Lookaside\n"
"  --oss-fuzz           Enable OSS-FUZZ testing\n"
"  --prng-seed N        Seed value for the PRGN inside of SQLite\n"
"  -q|--quiet           Reduced output\n"
"  --rebuild            Rebuild and vacuum the database file\n"
"  --result-trace       Show the results of each SQL command\n"
"  --sqlid N            Use only SQL where sqlid=N\n"
"  --timeout N          Abort if any single test needs more than N seconds\n"
"  -v|--verbose         Increased output.  Repeat for more output.\n"
  );
}
................................................................................
  Blob *pDb;                   /* For looping over template databases */
  int i;                       /* Loop index for the argv[] loop */
  int onlySqlid = -1;          /* --sqlid */
  int onlyDbid = -1;           /* --dbid */
  int nativeFlag = 0;          /* --native-vfs */
  int rebuildFlag = 0;         /* --rebuild */
  int vdbeLimitFlag = 0;       /* --limit-vdbe */
  int infoFlag = 0;            /* --info */
  int timeoutTest = 0;         /* undocumented --timeout-test flag */
  int runFlags = 0;            /* Flags sent to runSql() */
  char *zMsg = 0;              /* Add this message */
  int nSrcDb = 0;              /* Number of source databases */
  char **azSrcDb = 0;          /* Array of source database names */
  int iSrcDb;                  /* Loop over all source databases */
  int nTest = 0;               /* Total number of tests performed */
................................................................................
      if( strcmp(z,"export-sql")==0 ){
        if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
        zExpSql = argv[++i];
      }else
      if( strcmp(z,"help")==0 ){
        showHelp();
        return 0;
      }else
      if( strcmp(z,"info")==0 ){
        infoFlag = 1;
      }else
      if( strcmp(z,"limit-mem")==0 ){
#if !defined(SQLITE_ENABLE_MEMSYS3) && !defined(SQLITE_ENABLE_MEMSYS5)
        fatalError("the %s option requires -DSQLITE_ENABLE_MEMSYS5 or _MEMSYS3",
                   argv[i]);
#else
        if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
................................................................................
  for(iSrcDb=0; iSrcDb<nSrcDb; iSrcDb++){
    rc = sqlite3_open_v2(azSrcDb[iSrcDb], &db,
                         openFlags4Data, pDfltVfs->zName);
    if( rc ){
      fatalError("cannot open source database %s - %s",
      azSrcDb[iSrcDb], sqlite3_errmsg(db));
    }

    /* Print the description, if there is one */
    if( infoFlag ){
      int n;
      zDbName = azSrcDb[iSrcDb];
      i = (int)strlen(zDbName) - 1;
      while( i>0 && zDbName[i-1]!='/' && zDbName[i-1]!='\\' ){ i--; }
      zDbName += i;
      sqlite3_prepare_v2(db, "SELECT msg FROM readme", -1, &pStmt, 0);
      if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
        printf("%s: %s", zDbName, sqlite3_column_text(pStmt,0));
      }else{
        printf("%s: (empty \"readme\")", zDbName);
      }
      sqlite3_finalize(pStmt);
      sqlite3_prepare_v2(db, "SELECT count(*) FROM db", -1, &pStmt, 0);
      if( pStmt
       && sqlite3_step(pStmt)==SQLITE_ROW
       && (n = sqlite3_column_int(pStmt,0))>0
      ){
        printf(" - %d DBs", n);
      }
      sqlite3_finalize(pStmt);
      sqlite3_prepare_v2(db, "SELECT count(*) FROM xsql", -1, &pStmt, 0);
      if( pStmt
       && sqlite3_step(pStmt)==SQLITE_ROW
       && (n = sqlite3_column_int(pStmt,0))>0
      ){
        printf(" - %d scripts", n);
      }
      sqlite3_finalize(pStmt);
      printf("\n");
      sqlite3_close(db);
      continue;
    }

    rc = sqlite3_exec(db,
       "CREATE TABLE IF NOT EXISTS db(\n"
       "  dbid INTEGER PRIMARY KEY, -- database id\n"
       "  dbcontent BLOB            -- database disk file image\n"
       ");\n"
       "CREATE TABLE IF NOT EXISTS xsql(\n"
       "  sqlid INTEGER PRIMARY KEY,   -- SQL script id\n"

Changes to test/fuzzdata2.db.

cannot compute difference between binary files