diskfull.test

sqlite嵌入式数据库源码

# 2001 October 12
#
# 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 regression tests for SQLite library.  The
# focus of this file is testing for correct handling of disk full
# errors.
# 
# $Id: diskfull.test,v 1.3 2005/09/09 10:46:19 drh Exp $

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

do_test diskfull-1.1 {
  execsql {
    CREATE TABLE t1(x);
    INSERT INTO t1 VALUES(randstr(1000,1000));
    INSERT INTO t1 SELECT * FROM t1;
    INSERT INTO t1 SELECT * FROM t1;
    INSERT INTO t1 SELECT * FROM t1;
    INSERT INTO t1 SELECT * FROM t1;
    CREATE INDEX t1i1 ON t1(x);
    CREATE TABLE t2 AS SELECT x AS a, x AS b FROM t1;
    CREATE INDEX t2i1 ON t2(b);
  }
} {}
set sqlite_diskfull_pending 0
integrity_check diskfull-1.2
do_test diskfull-1.3 {
  set sqlite_diskfull_pending 1
  catchsql {
    INSERT INTO t1 SELECT * FROM t1;
  }
} {1 {database or disk is full}}
set sqlite_diskfull_pending 0
integrity_check diskfull-1.4
do_test diskfull-1.5 {
  set sqlite_diskfull_pending 1
  catchsql {
    DELETE FROM t1;
  }
} {1 {database or disk is full}}
set sqlite_diskfull_pending 0
integrity_check diskfull-1.6

set go 1
set i 0
while {$go} {
  incr i
  do_test diskfull-2.$i.1 {
    set sqlite_diskfull_pending $i
    set sqlite_diskfull 0
    set r [catchsql {VACUUM}]
    if {!$sqlite_diskfull} {
      set r {1 {database or disk is full}}
      set go 0
    }
    if {$r=="1 {disk I/O error}"} {
      set r {1 {database or disk is full}}
    }
    set r
  } {1 {database or disk is full}}
  set sqlite_diskfull_pending 0
  db close
  sqlite3 db test.db
  integrity_check diskfull-2.$i.2
}

finish_test