[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/ioerr2.test

-# 2007 April 2
-#
-# 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 I/O errors
-# such as writes failing because the disk is full.
-# 
-# The tests in this file use special facilities that are only
-# available in the SQLite test fixture.
-#
-# $Id: ioerr2.test,v 1.12 2009/06/05 17:09:12 drh Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-ifcapable !integrityck {
-  finish_test
-  return
-}
-
-do_test ioerr2-1.1 {
-  execsql {
-    PRAGMA cache_size = 10;
-    PRAGMA default_cache_size = 10;
-    CREATE TABLE t1(a, b, PRIMARY KEY(a, b));
-    INSERT INTO t1 VALUES(randstr(400,400),randstr(400,400));
-    INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2
-    INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 4
-    INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 8
-    INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 16
-    INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 32
-  }
-} {}
-
-set ::cksum [execsql {SELECT md5sum(a, b) FROM t1}]
-proc check_db {testname} {
-
-  # Make sure no I/O errors are simulated in this proc.
-  set ::sqlite_io_error_hit 0
-  set ::sqlite_io_error_persist 0
-  set ::sqlite_io_error_pending 0
-
-  # Run an integrity-check. If "disk I/O error" is returned, the
-  # pager must be in error state. In this case open a new database
-  # connection. Otherwise, try a ROLLBACK, in case a transaction 
-  # is still active.
-  set rc [catch {execsql {PRAGMA integrity_check}} msg]
-  if {$rc && ($msg eq "disk I/O error" || $msg eq "database is locked")} {
-    db close
-    sqlite3 db test.db
-    set refcnt 0
-  } else {
-    if {$rc || $msg ne "ok"} {
-      error $msg
-    }
-    catch {execsql ROLLBACK}
-  }
-
-  # Check that the database checksum is still $::cksum, and that
-  # the integrity-check passes.
-  set ck [execsql {SELECT md5sum(a, b) FROM t1}]
-  do_test ${testname}.cksum [list set ck $ck] $::cksum
-  integrity_check ${testname}.integrity
-  do_test ${testname}.refcnt {
-    lindex [sqlite3_pager_refcounts db] 0
-  } 0
-}
-
-check_db ioerr2-2
-
-set sql {
-  PRAGMA cache_size = 10;
-  PRAGMA default_cache_size = 10;
-  BEGIN;
-  DELETE FROM t1 WHERE (oid%7)==0;
-  INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) 
-    WHERE (random()%7)==0;
-  UPDATE t1 SET a = randstr(400,400), b = randstr(400,400) 
-    WHERE (random()%7)==0;
-  ROLLBACK;
-}
-
-foreach bPersist [list 0 1] {
-  set ::go 1
-  for {set ::N 1} {$::go} {incr ::N} {
-    db close
-    sqlite3 db test.db
-    set ::sqlite_io_error_hit 0
-    set ::sqlite_io_error_persist $bPersist
-    set ::sqlite_io_error_pending $::N
-
-    foreach {::go res} [catchsql $sql] {}
-    check_db ioerr2-3.$bPersist.$::N
-  }
-}
-foreach bPersist [list 0 1] {
-  set ::go 1
-  for {set ::N 1} {$::go} {incr ::N} {
-    set ::sqlite_io_error_hit 0
-    set ::sqlite_io_error_persist $bPersist
-    set ::sqlite_io_error_pending $::N
-
-    foreach {::go res} [catchsql $sql] {}
-    check_db ioerr2-4.[expr {$bPersist+2}].$::N
-  }
-}
-
-# When this test was written, an IO error within the UPDATE statement caused
-# a rollback, which tripped all read-cursors, causing the outer SELECT to
-# fail with "abort due to ROLLBACK". Now, the loop continues until the UPDATE
-# is run successfully. At this point the next IO error occurs within the 
-# SELECT - throwing the "disk I/O error" that the test case now expects.
-#
-do_test ioerr2-5 {
-  execsql {
-    CREATE TABLE t2 AS SELECT * FROM t1;
-    PRAGMA temp_store = memory;
-  }
-  set ::sqlite_io_error_persist 0
-  set ::go 1
-  set rc [catch {
-    for {set ::N 2} {$::N<200} {incr ::N} {
-      db eval {SELECT * FROM t1 WHERE rowid IN (1, 5, 10, 15, 20)} {
-        set ::sqlite_io_error_hit 0
-        set ::sqlite_io_error_pending $::N
-        set sql {UPDATE t2 SET b = randstr(400,400)}
-        foreach {::go res} [catchsql $sql] {}
-      }
-    }
-  } msg]
-  list $rc $msg
-} {1 {disk I/O error}} ;# used to be "{1 {abort due to ROLLBACK}}"
-
-if {$::tcl_platform(platform) == "unix"} {
-  # Cause the call to xAccess used by [pragma temp_store_directory] to
-  # determine if the specified directory is writable to fail. This causes
-  # SQLite to report "not a writable directory", which is probably the
-  # right answer.
-  #
-  do_test ioerr2-6 {
-    set ::sqlite_io_error_hit 0
-    set ::sqlite_io_error_pending 1
-    catchsql {PRAGMA temp_store_directory = '/tmp/'}
-  } {1 {not a writable directory}}
-}
-
-do_ioerr_test ioerr2-7 -persist 0 -sqlprep {
-  PRAGMA cache_size = 10;
-  PRAGMA auto_vacuum = 1;
-  CREATE TABLE ab(a, b);
-  CREATE TABLE de(d, e);
-  INSERT INTO ab VALUES(1, randstr(200,200));
-  INSERT INTO ab SELECT a+1, randstr(200,200) FROM ab;
-  INSERT INTO ab SELECT a+2, randstr(200,200) FROM ab;
-  INSERT INTO ab SELECT a+4, randstr(200,200) FROM ab;
-  INSERT INTO ab SELECT a+8, randstr(200,200) FROM ab;
-  INSERT INTO ab SELECT a+16, randstr(200,200) FROM ab;
-  INSERT INTO ab SELECT a+32, randstr(200,200) FROM ab;
-  INSERT INTO ab SELECT a+64, randstr(200,200) FROM ab;
-  INSERT INTO de SELECT * FROM ab;
-} -sqlbody {
-  BEGIN;
-  UPDATE ab SET b = randstr(200,200);
-  UPDATE de SET e = randstr(200,200) WHERE d = (SELECT max(d) FROM de);
-  DELETE FROM ab;
-  COMMIT;
-}
-
-finish_test