[sqlite] Remove obsolete reference version 3.8.7.4.

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

-# 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 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: ioerr.test,v 1.43 2009/04/06 17:50:03 danielk1977 Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-# If SQLITE_DEFAULT_AUTOVACUUM is set to true, then a simulated IO error
-# on the 8th IO operation in the SQL script below doesn't report an error.
-#
-# This is because the 8th IO call attempts to read page 2 of the database
-# file when the file on disk is only 1 page. The pager layer detects that
-# this has happened and suppresses the error returned by the OS layer.
-#
-do_ioerr_test ioerr-1 -erc 1 -ckrefcount 1 -sqlprep {
-  SELECT * FROM sqlite_master;
-} -sqlbody {
-  CREATE TABLE t1(a,b,c);
-  SELECT * FROM sqlite_master;
-  BEGIN TRANSACTION;
-  INSERT INTO t1 VALUES(1,2,3);
-  INSERT INTO t1 VALUES(4,5,6);
-  ROLLBACK;
-  SELECT * FROM t1;
-  BEGIN TRANSACTION;
-  INSERT INTO t1 VALUES(1,2,3);
-  INSERT INTO t1 VALUES(4,5,6);
-  COMMIT;
-  SELECT * FROM t1;
-  DELETE FROM t1 WHERE a<100;
-} -exclude [expr [string match [execsql {pragma auto_vacuum}] 1] ? 4 : 0]
-
-# Test for IO errors during a VACUUM. 
-#
-# The first IO call is excluded from the test. This call attempts to read
-# the file-header of the temporary database used by VACUUM. Since the
-# database doesn't exist at that point, the IO error is not detected.
-# 
-# Additionally, if auto-vacuum is enabled, the 12th IO error is not 
-# detected. Same reason as the 8th in the test case above.
-# 
-ifcapable vacuum {
-  do_ioerr_test ioerr-2 -cksum true -ckrefcount true -sqlprep { 
-    BEGIN; 
-    CREATE TABLE t1(a, b, c); 
-    INSERT INTO t1 VALUES(1, randstr(50,50), randstr(50,50)); 
-    INSERT INTO t1 SELECT a+2, b||'-'||rowid, c||'-'||rowid FROM t1; 
-    INSERT INTO t1 SELECT a+4, b||'-'||rowid, c||'-'||rowid FROM t1;
-    INSERT INTO t1 SELECT a+8, b||'-'||rowid, c||'-'||rowid FROM t1;
-    INSERT INTO t1 SELECT a+16, b||'-'||rowid, c||'-'||rowid FROM t1;
-    INSERT INTO t1 SELECT a+32, b||'-'||rowid, c||'-'||rowid FROM t1;
-    INSERT INTO t1 SELECT a+64, b||'-'||rowid, c||'-'||rowid FROM t1;
-    INSERT INTO t1 SELECT a+128, b||'-'||rowid, c||'-'||rowid FROM t1;
-    INSERT INTO t1 VALUES(1, randstr(600,600), randstr(600,600));
-    CREATE TABLE t2 AS SELECT * FROM t1;
-    CREATE TABLE t3 AS SELECT * FROM t1;
-    COMMIT;
-    DROP TABLE t2;
-  } -sqlbody {
-    VACUUM;
-  } -exclude [list \
-      1 [expr [string match [execsql {pragma auto_vacuum}] 1]?9:-1]]
-}
-
-do_ioerr_test ioerr-3 -ckrefcount true -tclprep {
-  execsql {
-    PRAGMA cache_size = 10;
-    BEGIN;
-    CREATE TABLE abc(a);
-    INSERT INTO abc VALUES(randstr(1500,1500)); -- Page 4 is overflow
-  }
-  for {set i 0} {$i<150} {incr i} {
-    execsql {
-      INSERT INTO abc VALUES(randstr(100,100)); 
-    }
-  }
-  execsql COMMIT
-} -sqlbody {
-  CREATE TABLE abc2(a);
-  BEGIN;
-  DELETE FROM abc WHERE length(a)>100;
-  UPDATE abc SET a = randstr(90,90);
-  COMMIT;
-  CREATE TABLE abc3(a);
-} 
-
-# Test IO errors that can occur retrieving a record header that flows over
-# onto an overflow page.
-do_ioerr_test ioerr-4 -ckrefcount true -tclprep {
-  set sql "CREATE TABLE abc(a1"
-  for {set i 2} {$i<1300} {incr i} {
-    append sql ", a$i"
-  }
-  append sql ");"
-  execsql $sql
-  execsql {INSERT INTO abc (a1) VALUES(NULL)}
-} -sqlbody {
- SELECT * FROM abc;
-}
-
-
-# Test IO errors that may occur during a multi-file commit.
-#
-# Tests 8 and 17 are excluded when auto-vacuum is enabled for the same 
-# reason as in test cases ioerr-1.XXX
-ifcapable attach {
-  set ex ""
-  if {[string match [execsql {pragma auto_vacuum}] 1]} {
-    set ex [list 4 17]
-  }
-  do_ioerr_test ioerr-5 -restoreprng 0 -ckrefcount true -sqlprep {
-    ATTACH 'test2.db' AS test2;
-  } -sqlbody {
-    BEGIN;
-    CREATE TABLE t1(a,b,c);
-    CREATE TABLE test2.t2(a,b,c);
-    COMMIT;
-  } -exclude $ex
-}
-
-# Test IO errors when replaying two hot journals from a 2-file 
-# transaction. This test only runs on UNIX.
-#
-# It cannot be run under the "exclusive" permutation. In that case, the
-# locks held by the connection in the local (this) process prevent a 
-# second connection from attempting the multi-file transaction.
-#
-ifcapable crashtest&&attach {
-  if {![catch {sqlite3 -has-codec} r] && !$r && [permutation]!="exclusive"} {
-    do_ioerr_test ioerr-6 -ckrefcount true -tclprep {
-      execsql {
-        ATTACH 'test2.db' as aux;
-        CREATE TABLE tx(a, b);
-        CREATE TABLE aux.ty(a, b);
-      }
-      set rc [crashsql -delay 2 -file test2.db-journal {
-        ATTACH 'test2.db' as aux;
-        PRAGMA cache_size = 10;
-        BEGIN;
-        CREATE TABLE aux.t2(a, b, c);
-        CREATE TABLE t1(a, b, c);
-        COMMIT;
-      }]
-      if {$rc!="1 {child process exited abnormally}"} {
-        error "Wrong error message: $rc"
-      }
-    } -sqlbody {
-      SELECT * FROM sqlite_master;
-      SELECT * FROM aux.sqlite_master;
-    }
-  }
-} 
-
-# Test handling of IO errors that occur while rolling back hot journal
-# files.
-#
-# These tests can't be run on windows because the windows version of 
-# SQLite holds a mandatory exclusive lock on journal files it has open.
-#
-if {$tcl_platform(platform)!="windows"} {
-  do_ioerr_test ioerr-7 -tclprep {
-    db close
-    sqlite3 db2 test2.db
-    db2 eval {
-      PRAGMA synchronous = 0;
-      CREATE TABLE t1(a, b);
-      INSERT INTO t1 VALUES(1, 2);
-      BEGIN;
-      INSERT INTO t1 VALUES(3, 4);
-    }
-    forcecopy test2.db test.db
-    forcecopy test2.db-journal test.db-journal
-    db2 close
-  } -tclbody {
-    sqlite3 db test.db
-    db eval {
-      SELECT * FROM t1;
-    }
-  } -exclude 1
-}
-
-# For test coverage:  Cause an I/O failure while trying to read a
-# short field (one that fits into a Mem buffer without mallocing
-# for space).
-#
-do_ioerr_test ioerr-8 -ckrefcount true -tclprep {
-  execsql {
-    CREATE TABLE t1(a,b,c);
-    INSERT INTO t1 VALUES(randstr(200,200), randstr(1000,1000), 2);
-  }
-  db close
-  sqlite3 db test.db
-} -sqlbody {
-  SELECT c FROM t1;
-}
-
-# For test coverage: Cause an IO error whilst reading the master-journal
-# name from a journal file.
-if {$tcl_platform(platform)=="unix"} {
-  do_ioerr_test ioerr-9 -ckrefcount true -tclprep {
-    execsql {
-      CREATE TABLE t1(a,b,c);
-      INSERT INTO t1 VALUES(randstr(200,200), randstr(1000,1000), 2);
-      BEGIN;
-      INSERT INTO t1 VALUES(randstr(200,200), randstr(1000,1000), 2);
-    }
-    forcecopy test.db-journal test2.db-journal
-    execsql {
-      COMMIT;
-    }
-    forcecopy test2.db-journal test.db-journal
-    set f [open test.db-journal a]
-    fconfigure $f -encoding binary
-    puts -nonewline $f "hello"
-    puts -nonewline $f "\x00\x00\x00\x05\x01\x02\x03\x04"
-    puts -nonewline $f "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
-    close $f
-  } -sqlbody {
-    SELECT a FROM t1;
-  }
-}
-
-# For test coverage: Cause an IO error during statement playback (i.e. 
-# a constraint).
-do_ioerr_test ioerr-10 -ckrefcount true -tclprep {
-  execsql {
-    BEGIN;
-    CREATE TABLE t1(a PRIMARY KEY, b);
-  }
-  for {set i 0} {$i < 500} {incr i} {
-    execsql {INSERT INTO t1 VALUES(:i, 'hello world');}
-  }
-  execsql {
-    COMMIT;
-  }
-} -tclbody {
-
-  catch {execsql {
-    BEGIN;
-    INSERT INTO t1 VALUES('abc', 123);
-    INSERT INTO t1 VALUES('def', 123);
-    INSERT INTO t1 VALUES('ghi', 123);
-    INSERT INTO t1 SELECT (a+500)%900, 'good string' FROM t1;
-  }} msg
-
-  if {$msg != "UNIQUE constraint failed: t1.a"} {
-    error $msg
-  }
-}
-
-# Assertion fault bug reported by alex dimitrov.
-#
-do_ioerr_test ioerr-11 -ckrefcount true -erc 1 -sqlprep {
-   CREATE TABLE A(Id INTEGER, Name TEXT);
-   INSERT INTO A(Id, Name) VALUES(1, 'Name');
-} -sqlbody {
-   UPDATE A SET Id = 2, Name = 'Name2' WHERE Id = 1;
-}
-
-# Test that an io error encountered in a sync() caused by a call to
-# sqlite3_release_memory() is handled Ok. Only try this if 
-# memory-management is enabled.
-#
-ifcapable memorymanage {
-  do_ioerr_test memmanage-ioerr1 -ckrefcount true -sqlprep {
-    BEGIN;
-    CREATE TABLE t1(a, b, c);
-    INSERT INTO t1 VALUES(randstr(50,50), randstr(100,100), randstr(10,10));
-    INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
-    INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
-    INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
-    INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
-    INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
-  } -tclbody {
-    sqlite3_release_memory 
-  } -sqlbody {
-    COMMIT;
-  }
-}
-
-ifcapable pager_pragmas&&autovacuum {
-  do_ioerr_test ioerr-12 -ckrefcount true -erc 1 -sqlprep {
-     PRAGMA page_size = 512;
-     PRAGMA auto_vacuum = incremental;
-     CREATE TABLE t1(x);
-     INSERT INTO t1 VALUES( randomblob(1   * (512-4)) );
-     INSERT INTO t1 VALUES( randomblob(110 * (512-4)) );
-     INSERT INTO t1 VALUES( randomblob(2   * (512-4)) );
-     INSERT INTO t1 VALUES( randomblob(110 * (512-4)) );
-     INSERT INTO t1 VALUES( randomblob(3 * (512-4)) );
-     DELETE FROM t1 WHERE rowid = 3;
-     PRAGMA incremental_vacuum = 2;
-     DELETE FROM t1 WHERE rowid = 1;
-  } -sqlbody {
-     PRAGMA incremental_vacuum = 1;
-  }
-}
-
-# Usually, after a new page is allocated from the end of the file, it does
-# not need to be written to the journal. The exception is when the new page
-# shares its sector with an existing page that does need to be journalled.
-# This test case provokes this condition to test for the sake of coverage
-# that an IO error while journalling the coresident page is handled correctly.
-#
-sqlite3_simulate_device -char {} -sectorsize 2048
-do_ioerr_test ioerr-12 -ckrefcount true -erc 1 -tclprep {
-  db close
-  sqlite3 db test.db -vfs devsym
-
-  # Create a test database. Page 2 is the root page of table t1. The only
-  # row inserted into t1 has an overflow page - page 3. Page 3 will be
-  # coresident on the 2048 byte sector with the next page to be allocated.
-  # 
-  db eval { PRAGMA page_size = 1024 }
-  db eval { CREATE TABLE t1(x) }
-  db eval { INSERT INTO t1 VALUES(randomblob(1100)); }
-} -tclbody {
-  db eval { INSERT INTO t1 VALUES(randomblob(2000)); }
-}
-sqlite3_simulate_device -char {} -sectorsize 0
-catch {db close}
-
-do_ioerr_test ioerr-13 -ckrefcount true -erc 1 -sqlprep {
-  PRAGMA auto_vacuum = incremental;
-  CREATE TABLE t1(x);
-  CREATE TABLE t2(x);
-  INSERT INTO t2 VALUES(randomblob(1500));
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t1 VALUES(randomblob(20));
-  INSERT INTO t1 SELECT x FROM t1;
-  INSERT INTO t1 SELECT x FROM t1;
-  INSERT INTO t1 SELECT x FROM t1;
-  INSERT INTO t1 SELECT x FROM t1;
-  INSERT INTO t1 SELECT x FROM t1;
-  INSERT INTO t1 SELECT x FROM t1;             /* 64 entries in t1 */
-  INSERT INTO t1 SELECT x FROM t1 LIMIT 14;    /* 78 entries in t1 */
-  DELETE FROM t2 WHERE rowid = 3;
-} -sqlbody {
-  -- This statement uses the balance_quick() optimization. The new page
-  -- is appended to the database file. But the overflow page used by
-  -- the new record will be positioned near the start of the database
-  -- file, in the gap left by the "DELETE FROM t2 WHERE rowid=3" statement
-  -- above.
-  --
-  -- The point of this is that the statement wil need to update two pointer
-  -- map pages. Which introduces another opportunity for an IO error.
-  --
-  INSERT INTO t1 VALUES(randomblob(2000));
-}
-
-do_ioerr_test ioerr-14 -ckrefcount true -erc 1 -sqlprep {
-  PRAGMA auto_vacuum = incremental;
-  CREATE TABLE t1(x);
-  CREATE TABLE t2(x);
-  INSERT INTO t2 VALUES(randomblob(1500));
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-  INSERT INTO t2 SELECT randomblob(1500) FROM t2;
-
-  -- This statement inserts a row into t1 with an overflow page at the
-  -- end of the file. A long way from its parent (the root of t1).
-  INSERT INTO t1 VALUES(randomblob(1500));
-  DELETE FROM t2 WHERE rowid<10;
-} -sqlbody {
-  -- This transaction will cause the root-page of table t1 to divide
-  -- (by calling balance_deeper()). When it does, the "parent" page of the
-  -- overflow page inserted in the -sqlprep block above will change and
-  -- the corresponding pointer map page be updated. This test case attempts
-  -- to cause an IO error during the pointer map page update.
-  --
-  BEGIN;
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  INSERT INTO t1 VALUES(randomblob(100));
-  COMMIT;
-}
-
-do_ioerr_test ioerr-15 -tclprep {
-  db eval {
-    BEGIN;
-    PRAGMA cache_size = 10;
-    CREATE TABLE t1(a);
-    CREATE INDEX i1 ON t1(a);
-    CREATE TABLE t2(a);
-  }
-  for {set ii 1} {$ii < 100} {incr ii} {
-    set v [string range [string repeat [format %.3d $ii] 200] 0 220]
-    db eval {INSERT INTO t1 VALUES($v)}
-  }
-  db eval {
-    DELETE FROM t1 WHERE oid > 85;
-    COMMIT;
-  }
-} -sqlbody {
-  BEGIN;
-  INSERT INTO t2 VALUES(randstr(22000,22000));
-  DELETE FROM t1 WHERE oid = 83;
-  COMMIT;
-} 
-
-# This test verifies that IO errors that occur within the obscure branch
-# of code executed by tkt3762.test are correctly reported.
-#
-ifcapable vacuum&&autovacuum&&pragma {
-  do_ioerr_test ioerr-16 -erc 1 -ckrefcount 1 -sqlprep {
-    PRAGMA auto_vacuum=INCREMENTAL;
-    PRAGMA page_size=1024;
-    BEGIN;
-    CREATE TABLE t1(x);
-    INSERT INTO t1 VALUES(zeroblob(900));
-    INSERT INTO t1 VALUES(zeroblob(900));
-    INSERT INTO t1 SELECT x FROM t1;
-    INSERT INTO t1 SELECT x FROM t1;
-    INSERT INTO t1 SELECT x FROM t1;
-    INSERT INTO t1 SELECT x FROM t1;
-    INSERT INTO t1 SELECT x FROM t1;
-    INSERT INTO t1 SELECT x FROM t1;
-    INSERT INTO t1 SELECT x FROM t1;
-    DELETE FROM t1 WHERE rowid>202;
-    COMMIT;
-    VACUUM;
-    PRAGMA cache_size = 10;
-    BEGIN;
-    DELETE FROM t1 WHERE rowid IN (10,11,12) ;
-  } -sqlbody {
-    PRAGMA incremental_vacuum(10);
-    COMMIT;
-  }
-}
-
-finish_test