[sqlite] Remove obsolete reference version 3.8.7.4.

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

-# 2008 August 29
-#
-# 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 is focused on testing the pcache module.
-#
-# $Id: pcache.test,v 1.5 2009/05/08 06:52:48 danielk1977 Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-# Do not use a codec for tests in this file, as the database file is
-# manipulated directly using tcl scripts (using the [hexio_write] command).
-#
-do_not_use_codec
-
-# Only works with a mode-2 pcache where all pcaches share a single set
-# of pages.
-#
-ifcapable {!memorymanage && threadsafe} {
-  finish_test
-  return
-}
-
-# The pcache module limits the number of pages available to purgeable
-# caches to the sum of the 'cache_size' values for the set of open
-# caches. This block of tests, pcache-1.*, test that the library behaves
-# corrctly when it is forced to exceed this limit.
-#
-do_test pcache-1.1 {
-  db close
-  pcache_stats
-} {current 0 max 0 min 0 recyclable 0}
-
-do_test pcache-1.2 {
-  sqlite3 db test.db
-  execsql {
-    PRAGMA cache_size=12;
-    PRAGMA auto_vacuum=0;
-    PRAGMA mmap_size=0;
-  }
-  pcache_stats
-} {current 1 max 12 min 10 recyclable 1}
-
-do_test pcache-1.3 {
-  execsql {
-    BEGIN;
-    CREATE TABLE t1(a, b, c);
-    CREATE TABLE t2(a, b, c);
-    CREATE TABLE t3(a, b, c);
-    CREATE TABLE t4(a, b, c);
-    CREATE TABLE t5(a, b, c);
-  }
-  pcache_stats
-} {current 6 max 12 min 10 recyclable 0}
-
-do_test pcache-1.4 {
-  execsql {
-    CREATE TABLE t6(a, b, c);
-    CREATE TABLE t7(a, b, c);
-    CREATE TABLE t8(a, b, c);
-    CREATE TABLE t9(a, b, c);
-  }
-  pcache_stats
-} {current 10 max 12 min 10 recyclable 0}
-
-do_test pcache-1.5 {
-  sqlite3 db2 test.db
-  execsql "PRAGMA cache_size=10" db2
-  pcache_stats
-} {current 11 max 22 min 20 recyclable 1}
-
-do_test pcache-1.6.1 {
-  execsql {
-    BEGIN;
-    SELECT * FROM sqlite_master;
-  } db2
-  pcache_stats
-} {current 11 max 22 min 20 recyclable 0}
-
-# At this point connection db2 has a read lock on the database file and a 
-# single pinned page in its cache. Connection [db] is holding 10 dirty 
-# pages. It cannot recycle them because of the read lock held by db2.
-#
-do_test pcache-1.6.2 {
-  execsql {
-    CREATE INDEX i1 ON t1(a, b);
-    CREATE INDEX i2 ON t2(a, b);
-    CREATE INDEX i3 ON t3(a, b);
-    CREATE INDEX i4 ON t4(a, b);
-    CREATE INDEX i5 ON t5(a, b);
-    CREATE INDEX i6 ON t6(a, b);
-    CREATE INDEX i7 ON t7(a, b);
-    CREATE INDEX i8 ON t8(a, b);
-    CREATE INDEX i9 ON t9(a, b);
-    CREATE INDEX i10 ON t9(a, b);
-    CREATE INDEX i11 ON t9(a, b);
-  } 
-  pcache_stats
-} {current 23 max 22 min 20 recyclable 0}
-
-do_test pcache-1.7 {
-  execsql {
-    CREATE TABLE t10(a, b, c);
-  } 
-  pcache_stats
-} {current 24 max 22 min 20 recyclable 0}
-
-# Rolling back the transaction held by db2 at this point releases a pinned
-# page. Because the number of allocated pages is greater than the 
-# configured maximum, this page should be freed immediately instead of
-# recycled.
-#
-do_test pcache-1.8 {
-  execsql {ROLLBACK} db2
-  pcache_stats
-} {current 23 max 22 min 20 recyclable 0}
-
-do_test pcache-1.9 {
-  execsql COMMIT
-  pcache_stats
-} {current 22 max 22 min 20 recyclable 22}
-
-do_test pcache-1.10 {
-  db2 close
-  pcache_stats
-} {current 12 max 12 min 10 recyclable 12}
-
-do_test pcache-1.11 {
-  execsql { PRAGMA cache_size = 20 }
-  pcache_stats
-} {current 12 max 20 min 10 recyclable 12}
-
-do_test pcache-1.12 {
-  execsql { 
-    SELECT * FROM t1 ORDER BY a; SELECT * FROM t1;
-    SELECT * FROM t2 ORDER BY a; SELECT * FROM t2;
-    SELECT * FROM t3 ORDER BY a; SELECT * FROM t3;
-    SELECT * FROM t4 ORDER BY a; SELECT * FROM t4;
-    SELECT * FROM t5 ORDER BY a; SELECT * FROM t5;
-    SELECT * FROM t6 ORDER BY a; SELECT * FROM t6;
-    SELECT * FROM t7 ORDER BY a; SELECT * FROM t7;
-    SELECT * FROM t8 ORDER BY a; SELECT * FROM t8;
-    SELECT * FROM t9 ORDER BY a; SELECT * FROM t9;
-  }
-  pcache_stats
-} {current 19 max 20 min 10 recyclable 19}
-
-do_test pcache-1.13 {
-  execsql { PRAGMA cache_size = 15 }
-  pcache_stats
-} {current 15 max 15 min 10 recyclable 15}
-
-do_test pcache-1.14 {
-  hexio_write test.db 24 [hexio_render_int32 1000]
-  execsql { SELECT * FROM sqlite_master }
-  pcache_stats
-} {current 2 max 15 min 10 recyclable 2}
-
-do_test pcache-1.15 {
-  execsql { 
-    SELECT * FROM t1 ORDER BY a; SELECT * FROM t1;
-    SELECT * FROM t2 ORDER BY a; SELECT * FROM t2;
-    SELECT * FROM t3 ORDER BY a; SELECT * FROM t3;
-    SELECT * FROM t4 ORDER BY a; SELECT * FROM t4;
-    SELECT * FROM t5 ORDER BY a; SELECT * FROM t5;
-    SELECT * FROM t6 ORDER BY a; SELECT * FROM t6;
-    SELECT * FROM t7 ORDER BY a; SELECT * FROM t7;
-    SELECT * FROM t8 ORDER BY a; SELECT * FROM t8;
-    SELECT * FROM t9 ORDER BY a; SELECT * FROM t9;
-  }
-  pcache_stats
-} {current 14 max 15 min 10 recyclable 14}
-
-finish_test