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Overview
Comment:Detect when the test scripts are being run as root and issue an appropriate error message. (CVS 740)
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SHA1: 9ca2c507704f85446d873d5e8429554f2ad4df9e
User & Date: drh 2002-09-02 12:14:51
Context
2002-09-02
14:11
Add documentation on NULL handling in SQLite versus other SQL database engines. (CVS 741) check-in: dd8867fc user: drh tags: trunk
12:14
Detect when the test scripts are being run as root and issue an appropriate error message. (CVS 740) check-in: 9ca2c507 user: drh tags: trunk
2002-09-01
23:20
Relax the locking requirements on BTree cursors. Any number of read and write cursors can be open at the same time now, but a write cannot occur as long as one or more read cursors are open.

Before this change, one or more read cursors could be open on a table, or a single write cursor, but not both. Both policies have the same desirable effect: they prevent writes to a table while a sequential scan of that table is underway. But the new policy is a little less restrictive. Both policies prevent an UPDATE from occurring inside a SELECT (which is what we want) but the new policy allows a SELECT to occur inside an UPDATE. (CVS 739) check-in: 8c2a0836 user: drh tags: trunk

Changes
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Changes to test/btree.test. 

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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is btree database backend
#
# $Id: btree.test,v 1.12 2002/02/19 13:39:23 drh Exp $


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

if {[info commands btree_open]!=""} {

................................................................................
  btree_close $::b1
  set ::b1 [btree_open test1.bt]
  set ::c1 [btree_cursor $::b1 2 1]
  lindex [btree_pager_stats $::b1] 1
} {2}
do_test btree-4.9 {
  set r {}

  while 1 {
    set key [btree_key $::c1]
    if {$key==""} break
    lappend r $key
    lappend r [btree_data $::c1]
    btree_next $::c1
  }








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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is btree database backend
#
# $Id: btree.test,v 1.13 2002/09/02 12:14:51 drh Exp $


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

if {[info commands btree_open]!=""} {

................................................................................
  btree_close $::b1
  set ::b1 [btree_open test1.bt]
  set ::c1 [btree_cursor $::b1 2 1]
  lindex [btree_pager_stats $::b1] 1
} {2}
do_test btree-4.9 {
  set r {}
  btree_first $::c1
  while 1 {
    set key [btree_key $::c1]
    if {$key==""} break
    lappend r $key
    lappend r [btree_data $::c1]
    btree_next $::c1
  }

Changes to test/temptable.test. 

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#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests for temporary tables and indices.
#
# $Id: temptable.test,v 1.7 2002/06/25 01:09:12 drh Exp $

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

# Create an alternative connection to the database
#
do_test temptable-1.0 {
................................................................................
  }
} {xyzzy}
do_test temptable-6.2 {
  db close
  catch {file attributes test.db -permissions 0444}
  catch {file attributes test.db -readonly 1}
  sqlite db test.db



  execsql {
    SELECT * FROM t8;
  }
} {xyzzy}
do_test temptable-6.3 {



  catchsql {
    CREATE TABLE t9(x,y);
  }
} {1 {attempt to write a readonly database}}
do_test temptable-6.4 {
  catchsql {
    CREATE TEMP TABLE t9(x,y);
................................................................................
do_test temptable-6.5 {
  catchsql {
    INSERT INTO t9 VALUES(1,2);
    SELECT * FROM t9;
  }
} {0 {1 2}}
do_test temptable-6.6 {



  catchsql {
    INSERT INTO t8 VALUES('hello');
    SELECT * FROM t8;
  }
} {1 {attempt to write a readonly database}}
do_test temptable-6.7 {
  catchsql {








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#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests for temporary tables and indices.
#
# $Id: temptable.test,v 1.8 2002/09/02 12:14:51 drh Exp $

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

# Create an alternative connection to the database
#
do_test temptable-1.0 {
................................................................................
  }
} {xyzzy}
do_test temptable-6.2 {
  db close
  catch {file attributes test.db -permissions 0444}
  catch {file attributes test.db -readonly 1}
  sqlite db test.db
  if {[file writable test.db]} {
    error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user"
  }
  execsql {
    SELECT * FROM t8;
  }
} {xyzzy}
do_test temptable-6.3 {
  if {[file writable test.db]} {
    error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user"
  }
  catchsql {
    CREATE TABLE t9(x,y);
  }
} {1 {attempt to write a readonly database}}
do_test temptable-6.4 {
  catchsql {
    CREATE TEMP TABLE t9(x,y);
................................................................................
do_test temptable-6.5 {
  catchsql {
    INSERT INTO t9 VALUES(1,2);
    SELECT * FROM t9;
  }
} {0 {1 2}}
do_test temptable-6.6 {
  if {[file writable test.db]} {
    error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user"
  }
  catchsql {
    INSERT INTO t8 VALUES('hello');
    SELECT * FROM t8;
  }
} {1 {attempt to write a readonly database}}
do_test temptable-6.7 {
  catchsql {

Changes to test/version.test. 

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#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the ability of the library to detect
# past or future file format version numbers and respond appropriately.
#
# $Id: version.test,v 1.7 2002/08/29 23:59:50 drh Exp $

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

# Current file format version
set VX 4

................................................................................
  set m2 [lreplace $::meta 2 2 2]
  btree_begin_transaction $::bt
  eval btree_update_meta $::bt $m2
  btree_commit $::bt
  btree_close $::bt
  catch {file attributes test.db -permissions 0444}
  catch {file attributes test.db -readonly 1}



  set rc [catch {sqlite db test.db} msg]
  lappend rc $msg
} {1 {unable to upgrade database to the version 2.6 format: attempt to write a readonly database}}
do_test version-2.2 {
  file delete -force test.db
  set fd [open test.db w]
  set txt "This is not a valid database file\n"








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#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the ability of the library to detect
# past or future file format version numbers and respond appropriately.
#
# $Id: version.test,v 1.8 2002/09/02 12:14:51 drh Exp $

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

# Current file format version
set VX 4

................................................................................
  set m2 [lreplace $::meta 2 2 2]
  btree_begin_transaction $::bt
  eval btree_update_meta $::bt $m2
  btree_commit $::bt
  btree_close $::bt
  catch {file attributes test.db -permissions 0444}
  catch {file attributes test.db -readonly 1}
  if {[file writable test.db]} {
    error "Unable to make the database file test.db readonly - rerun this test as an unprivileged user"
  }
  set rc [catch {sqlite db test.db} msg]
  lappend rc $msg
} {1 {unable to upgrade database to the version 2.6 format: attempt to write a readonly database}}
do_test version-2.2 {
  file delete -force test.db
  set fd [open test.db w]
  set txt "This is not a valid database file\n"

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