Import SQLite 3.7.6.3.

third_party/sqlite/src/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}
@@ skipping 131 matching lines @@
     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