[sqlite] Remove obsolete reference version 3.8.7.4.

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

-# 2010 April 22
-#
-# 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 the operation of the library in
-# "PRAGMA journal_mode=WAL" mode.
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-source $testdir/wal_common.tcl
-source $testdir/malloc_common.tcl
-
-do_not_use_codec
-
-ifcapable !wal {finish_test ; return }
-
-
-# Test organization:
-# 
-#   walback-1.*: Simple tests.
-#
-#   walback-2.*: Test backups when the source db is modified mid-backup.
-#
-#   walback-3.*: Backup of WAL sources into rollback destinations, and 
-#                vice-versa.
-#
-
-# Make sure a simple backup from a WAL database works.
-#
-do_test walbak-1.0 {
-  execsql { 
-    PRAGMA synchronous = NORMAL;
-    PRAGMA page_size = 1024;
-    PRAGMA auto_vacuum = 0;
-    PRAGMA journal_mode = wal;
-    BEGIN;
-      CREATE TABLE t1(a PRIMARY KEY, b);
-      INSERT INTO t1 VALUES('I', 'one');
-    COMMIT;
-  }
-} {wal}
-do_test walbak-1.1 {
-  forcedelete bak.db bak.db-journal bak.db-wal
-  db backup bak.db
-  file size bak.db
-} [expr 3*1024]
-do_test walbak-1.2 {
-  sqlite3 db2 bak.db
-  execsql { 
-    SELECT * FROM t1;
-    PRAGMA main.journal_mode;
-  } db2
-} {I one wal}
-do_test walbak-1.3 {
-  execsql { PRAGMA integrity_check } db2
-} {ok}
-db2 close
-
-# Try a VACUUM on a WAL database.
-#
-do_test walbak-1.4 {
-  execsql { 
-    VACUUM;
-    PRAGMA main.journal_mode;
-  }
-} {wal}
-do_test walbak-1.5 {
-  list [file size test.db] [file size test.db-wal]
-} [list 1024 [wal_file_size 6 1024]]
-do_test walbak-1.6 {
-  execsql { PRAGMA wal_checkpoint }
-  list [file size test.db] [file size test.db-wal]
-} [list [expr 3*1024] [wal_file_size 6 1024]]
-do_test walbak-1.6.1 {
-  hexio_read test.db 18 2
-} {0202}
-do_test walbak-1.7 {
-  execsql { 
-    CREATE TABLE t2(a, b);
-    INSERT INTO t2 SELECT * FROM t1;
-    DROP TABLE t1;
-  }
-  list [file size test.db] [file size test.db-wal]
-} [list [expr 3*1024] [wal_file_size 6 1024]]
-do_test walbak-1.8 {
-  execsql { VACUUM }
-  list [file size test.db] [file size test.db-wal]
-} [list [expr 3*1024] [wal_file_size 8 1024]]
-do_test walbak-1.9 {
-  execsql { PRAGMA wal_checkpoint }
-  list [file size test.db] [file size test.db-wal]
-} [list [expr 2*1024] [wal_file_size 8 1024]]
-
-#-------------------------------------------------------------------------
-# Backups when the source db is modified mid-backup.
-#
-proc sig {{db db}} {
-  $db eval { 
-    PRAGMA integrity_check;
-    SELECT md5sum(a, b) FROM t1; 
-  }
-}
-db close
-delete_file test.db
-sqlite3 db test.db
-do_test walbak-2.1 {
-  execsql { PRAGMA journal_mode = WAL }
-  execsql {
-    CREATE TABLE t1(a PRIMARY KEY, b);
-    BEGIN;
-      INSERT INTO t1 VALUES(randomblob(500), randomblob(500));
-      INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; /*  2 */
-      INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; /*  4 */
-      INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; /*  8 */
-      INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; /* 16 */
-      INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; /* 32 */
-      INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; /* 64 */
-    COMMIT;
-  }
-} {}
-do_test walbak-2.2 {
-  db backup abc.db
-  sqlite3 db2 abc.db
-  string compare [sig db] [sig db2]
-} {0}
-
-do_test walbak-2.3 {
-  sqlite3_backup B db2 main db main
-  B step 50
-  execsql { UPDATE t1 SET b = randomblob(500) }
-  list [B step 1000] [B finish]
-} {SQLITE_DONE SQLITE_OK}
-do_test walbak-2.4 {
-  string compare [sig db] [sig db2]
-} {0}
-
-do_test walbak-2.5 {
-  db close
-  sqlite3 db test.db
-  execsql { PRAGMA cache_size = 10 }
-  sqlite3_backup B db2 main db main
-  B step 50
-  execsql {
-    BEGIN;
-      UPDATE t1 SET b = randomblob(500);
-  }
-  expr [file size test.db-wal] > 10*1024
-} {1}
-do_test walbak-2.6 {
-  B step 1000
-} {SQLITE_BUSY}
-do_test walbak-2.7 {
-  execsql COMMIT
-  list [B step 1000] [B finish]
-} {SQLITE_DONE SQLITE_OK}
-do_test walbak-2.8 {
-  string compare [sig db] [sig db2]
-} {0}
-
-do_test walbak-2.9 {
-  db close
-  sqlite3 db test.db
-  execsql { PRAGMA cache_size = 10 }
-  sqlite3_backup B db2 main db main
-  B step 50
-  execsql {
-    BEGIN;
-      UPDATE t1 SET b = randomblob(500);
-  }
-  expr [file size test.db-wal] > 10*1024
-} {1}
-do_test walbak-2.10 {
-  B step 1000
-} {SQLITE_BUSY}
-do_test walbak-2.11 {
-  execsql ROLLBACK
-set sigB [sig db]
-  list [B step 1000] [B finish]
-} {SQLITE_DONE SQLITE_OK}
-do_test walbak-2.12 {
-  string compare [sig db] [sig db2]
-} {0}
-db2 close
-db close
-
-#-------------------------------------------------------------------------
-# Run some backup operations to copy back and forth between WAL and:
-#
-#   walbak-3.1.*: an in-memory database
-#
-#   walbak-3.2.*: a temporary database
-#
-#   walbak-3.3.*: a database in rollback mode.
-#
-#   walbak-3.4.*: a database in rollback mode that (initially) uses a 
-#                 different page-size.
-#
-# Check that this does not confuse any connected clients.
-#
-foreach {tn setup} {
-  1 {
-    sqlite3 db  test.db
-    sqlite3 db2 :memory:
-    db  eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
-    db2 eval { PRAGMA page_size = 1024 }
-  }
-
-  2 {
-    sqlite3 db  test.db
-    sqlite3 db2 ""
-    db  eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
-    db2 eval { PRAGMA page_size = 1024 }
-  }
-
-  3 {
-    sqlite3 db  test.db
-    sqlite3 db2 test.db2
-    db  eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
-    db2 eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = PERSIST }
-  }
-
-  4 {
-    sqlite3 db  test.db
-    sqlite3 db2 test.db2
-    db  eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
-    db2 eval { 
-      PRAGMA page_size = 2048;
-      PRAGMA journal_mode = PERSIST;
-      CREATE TABLE xx(x);
-    }
-  }
-
-} {
-  foreach f [glob -nocomplain test.db*] { forcedelete $f }
-
-  eval $setup
-
-  do_test walbak-3.$tn.1 {
-    execsql {
-      CREATE TABLE t1(a, b);
-      INSERT INTO t1 VALUES(1, 2);
-      INSERT INTO t1 VALUES(3, 4);
-      SELECT * FROM t1;
-    }
-  } {1 2 3 4}
-
-  do_test walbak-3.$tn.2 {
-    sqlite3_backup B db2 main db main
-    B step 10000
-    B finish
-    execsql { SELECT * FROM t1 } db2
-  } {1 2 3 4}
-
-  do_test walbak-3.$tn.3 {
-    execsql {
-      INSERT INTO t1 VALUES(5, 6);
-      INSERT INTO t1 VALUES(7, 8);
-      SELECT * FROM t1;
-    } db2
-  } {1 2 3 4 5 6 7 8}
-
-  do_test walbak-3.$tn.4 {
-    sqlite3_backup B db main db2 main
-    B step 10000
-    B finish
-    execsql { SELECT * FROM t1 }
-  } {1 2 3 4 5 6 7 8}
-
-  # Check that [db] is still in WAL mode.
-  do_test walbak-3.$tn.5 {
-    execsql { PRAGMA journal_mode }
-  } {wal}
-  do_test walbak-3.$tn.6 {
-    execsql { PRAGMA wal_checkpoint }
-    hexio_read test.db 18 2
-  } {0202}
-
-  # If it was not an in-memory database, check that [db2] is still in
-  # rollback mode.
-  if {[file exists test.db2]} {
-    do_test walbak-3.$tn.7 {
-      execsql { PRAGMA journal_mode } db2
-    } {wal}
-    do_test walbak-3.$tn.8 {
-      execsql { PRAGMA wal_checkpoint }
-      hexio_read test.db 18 2
-    } {0202}
-  }
-
-  db  close
-  db2 close
-}
-
-#-------------------------------------------------------------------------
-# Test that the following holds when a backup operation is run:
-#
-#   Source  |  Destination inital  |  Destination final
-#   ---------------------------------------------------
-#   Rollback   Rollback               Rollback
-#   Rollback   WAL                    WAL
-#   WAL        Rollback               WAL
-#   WAL        WAL                    WAL
-#
-foreach {tn src dest dest_final} {
-  1   delete    delete    delete
-  2   delete    wal       wal
-  3   wal       delete    wal
-  4   wal       wal       wal
-} {
-  catch { db close } 
-  catch { db2 close } 
-  forcedelete test.db test.db2
-
-  do_test walbak-4.$tn.1 {
-    sqlite3 db test.db
-    db eval "PRAGMA journal_mode = $src"
-    db eval {
-      CREATE TABLE t1(a, b);
-      INSERT INTO t1 VALUES('I', 'II');
-      INSERT INTO t1 VALUES('III', 'IV');
-    }
-
-    sqlite3 db2 test.db2
-    db2 eval "PRAGMA journal_mode = $dest"
-    db2 eval {
-      CREATE TABLE t2(x, y);
-      INSERT INTO t2 VALUES('1', '2');
-      INSERT INTO t2 VALUES('3', '4');
-    }
-  } {}
-
-  do_test walbak-4.$tn.2 { execsql { PRAGMA journal_mode } db  } $src
-  do_test walbak-4.$tn.3 { execsql { PRAGMA journal_mode } db2 } $dest
-
-  do_test walbak-4.$tn.4 { db backup test.db2 } {}
-  do_test walbak-4.$tn.5 {
-    execsql { SELECT * FROM t1 } db2
-  } {I II III IV}
-  do_test walbak-4.$tn.5 { execsql { PRAGMA journal_mode } db2 } $dest_final
-
-
-  db2 close
-  do_test walbak-4.$tn.6 { file exists test.db2-wal } 0
-  sqlite3 db2 test.db2
-  do_test walbak-4.$tn.7 { execsql { PRAGMA journal_mode } db2 } $dest_final
-}
-
-
-finish_test