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Overview
Comment:Add a few simple test cases for SQLITE_TESTCTRL_INITMODE - cases which also test PRAGMA integrity_check.
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SHA1:3a6e2afe408d2b0c8166d00def2048568169d87a
User & Date: drh 2015-01-30 15:40:15
Context
2015-01-30
15:52
Added SQLITE_TESTCTRL_INITMODE for improved testability. check-in: 98e02913 user: drh tags: trunk
15:40
Add a few simple test cases for SQLITE_TESTCTRL_INITMODE - cases which also test PRAGMA integrity_check. Closed-Leaf check-in: 3a6e2afe user: drh tags: initmode-testctrl
2015-01-29
17:54
Add the INITMODE test-control. check-in: 5940af8e user: drh tags: initmode-testctrl
Changes
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Changes to src/test1.c.

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  Tcl_Obj *CONST objv[]
){
  struct Verb {
    const char *zName;
    int i;
  } aVerb[] = {
    { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT }, 
    { "SQLITE_TESTCTRL_SORTER_MMAP", SQLITE_TESTCTRL_SORTER_MMAP }, 

  };
  int iVerb;
  int iFlag;
  int rc;

  if( objc<2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
................................................................................
        return TCL_ERROR;
      }
      if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
      sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
      break;
    }















  }

  Tcl_ResetResult(interp);
  return TCL_OK;
}

#if SQLITE_OS_UNIX







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  Tcl_Obj *CONST objv[]
){
  struct Verb {
    const char *zName;
    int i;
  } aVerb[] = {
    { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT }, 
    { "SQLITE_TESTCTRL_SORTER_MMAP",     SQLITE_TESTCTRL_SORTER_MMAP     }, 
    { "SQLITE_TESTCTRL_INITMODE",        SQLITE_TESTCTRL_INITMODE        },
  };
  int iVerb;
  int iFlag;
  int rc;

  if( objc<2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
................................................................................
        return TCL_ERROR;
      }
      if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
      sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
      break;
    }

    case SQLITE_TESTCTRL_INITMODE: {
      int fBusy, iDb, newTnum;
      sqlite3 *db;
      if( objc!=6 ){
        Tcl_WrongNumArgs(interp, 2, objv, "DB fBusy iDb newTnum");
        return TCL_ERROR;
      }
      if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[3], &fBusy) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[4], &iDb) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[5], &newTnum) ) return TCL_ERROR;
      sqlite3_test_control(SQLITE_TESTCTRL_INITMODE, db, fBusy, iDb, newTnum);
      break;
    }
  }

  Tcl_ResetResult(interp);
  return TCL_OK;
}

#if SQLITE_OS_UNIX

Added test/initmode.test.









































































































































































































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# 2015-01-30
#
# 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 implements tests for SQLite library.
#
# The focus of this file is adding extra entries in the symbol table
# using sqlite3_test_control(SQLITE_TESTCTRL_INITMODE) and verifying that
# SQLite handles those as expected.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix initmode

# Create a bunch of data to sort against
#
do_test initmode-1.0 {
  execsql {
    CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c, d NOT NULL);
    CREATE INDEX t1b ON t1(b);
    CREATE UNIQUE INDEX t1c ON t1(c);
    WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b,c,d) SELECT i,1000+i,2000+i,3000+i FROM c;
  }
  set t1_root [db one {SELECT rootpage FROM sqlite_master WHERE name='t1'}]
  set t1a_root [db one {SELECT rootpage FROM sqlite_master WHERE name='t1a'}]
  set t1b_root [db one {SELECT rootpage FROM sqlite_master WHERE name='t1b'}]

  # Create a shadow table that uses the same b-tree as t1 but which does
  # not have the indexes
  #
  sqlite3_test_control SQLITE_TESTCTRL_INITMODE db 1 0 $t1_root
  db eval {CREATE TABLE xt1(a,b,c,d)}
  sqlite3_test_control SQLITE_TESTCTRL_INITMODE db 0 0 0

  # Create triggers to record changes to xt1.
  #
  db eval {
    CREATE TEMP TABLE chnglog(desc TEXT);
    CREATE TEMP TRIGGER xt1_del AFTER DELETE ON xt1 BEGIN
      INSERT INTO chnglog VALUES(
           printf('DELETE t1: rowid=%d, a=%s, b=%s, c=%s, d=%s',
                  old.rowid, quote(old.a), quote(old.b), quote(old.c),
                  quote(old.d)));
    END;
    CREATE TEMP TRIGGER xt1_ins AFTER INSERT ON xt1 BEGIN
      INSERT INTO chnglog VALUES(
           printf('INSERT t1:  rowid=%d, a=%s, b=%s, c=%s, d=%s',
                  new.rowid, quote(new.a), quote(new.b), quote(new.c),
                  quote(new.d)));
    END;
  }
} {}

# The xt1 table has separate xt1.rowid and xt1.a columns.  The xt1.rowid
# column corresponds to t1.rowid and t1.a, but the xt1.a column is always
# NULL
#
do_execsql_test initmode-1.1 {
  SELECT rowid FROM xt1 WHERE a IS NOT NULL;
} {}
do_execsql_test initmode-1.2 {
  SELECT a,b,c,d FROM t1 EXCEPT SELECT rowid,b,c,d FROM xt1;
  SELECT rowid,b,c,d FROM xt1 EXCEPT SELECT a,b,c,d FROM t1;
} {}


# Make changes via the xt1 shadow table.  This will not update the
# indexes on t1 nor check the uniqueness constraint on t1.c nor check
# the NOT NULL constraint on t1.d, resulting in a logically inconsistent
# database.
#
do_execsql_test initmode-1.3 {
  DELETE FROM xt1 WHERE rowid=5;
  INSERT INTO xt1(rowid,a,b,c,d) VALUES(99,'hello',1099,2022,NULL);
  SELECT * FROM chnglog ORDER BY rowid;
} [list \
  {DELETE t1: rowid=5, a=NULL, b=1005, c=2005, d=3005} \
  {INSERT t1:  rowid=99, a='hello', b=1099, c=2022, d=NULL} \
]

do_execsql_test initmode-1.4a {
  PRAGMA integrity_check;
} {/NULL value in t1.d/}
do_execsql_test initmode-1.4b {
  PRAGMA integrity_check;
} {/row # missing from index t1b/}
do_execsql_test initmode-1.4c {
  PRAGMA integrity_check;
} {/row # missing from index t1c/}

finish_test