[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/memsubsys1.test

-# 2008 June 18
-#
-# 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 contains tests of the memory allocation subsystem
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-sqlite3_reset_auto_extension
-
-# This test assumes that no page-cache or scratch buffers are installed
-# by default when a new database connection is opened. As a result, it
-# will not work with the "memsubsys1" permutation.
-#
-if {[permutation] == "memsubsys1"} {
-  finish_test
-  return
-}
-
-# This procedure constructs a new database in test.db.  It fills
-# this database with many small records (enough to force multiple
-# rebalance operations in the btree-layer and to require a large
-# page cache), verifies correct results, then returns.
-#
-proc build_test_db {testname pragmas} {
-  catch {db close}
-  forcedelete test.db test.db-journal
-  sqlite3 db test.db
-  sqlite3_db_config_lookaside db 0 0 0
-  db eval $pragmas
-  db eval {
-    CREATE TABLE t1(x, y);
-    CREATE TABLE t2(a, b);
-    CREATE INDEX i1 ON t1(x,y);
-    INSERT INTO t1 VALUES(1, 100);
-    INSERT INTO t1 VALUES(2, 200);
-  }
-  for {set i 2} {$i<5000} {incr i $i} {
-    db eval {INSERT INTO t2 SELECT * FROM t1}
-    db eval {INSERT INTO t1 SELECT a+$i, a+b*100 FROM t2}
-    db eval {DELETE FROM t2}
-  }
-  do_test $testname.1 {
-    db eval {SELECT count(*) FROM t1}
-  } 8192
-  integrity_check $testname.2
-}
-
-# Reset all of the highwater marks.
-#
-proc reset_highwater_marks {} {
-  sqlite3_status SQLITE_STATUS_MEMORY_USED 1
-  sqlite3_status SQLITE_STATUS_MALLOC_SIZE 1
-  sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1
-  sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 1
-  sqlite3_status SQLITE_STATUS_PAGECACHE_SIZE 1
-  sqlite3_status SQLITE_STATUS_SCRATCH_USED 1
-  sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 1
-  sqlite3_status SQLITE_STATUS_SCRATCH_SIZE 1
-  sqlite3_status SQLITE_STATUS_PARSER_STACK 1
-}
-
-set xtra_size 290
-
-# Test 1:  Both PAGECACHE and SCRATCH are shut down.
-#
-db close
-sqlite3_shutdown
-sqlite3_config_lookaside 0 0
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-1 {PRAGMA page_size=1024}
-do_test memsubsys1-1.3 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 0
-do_test memsubsys1-1.4 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 0
-set max_pagecache [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
-#show_memstats
-
-# Test 2:  Activate PAGECACHE with 20 pages
-#
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache [expr 1024+$xtra_size] 20
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-2 {PRAGMA page_size=1024; PRAGMA mmap_size=0}
-#show_memstats
-set MEMORY_MANAGEMENT $sqlite_options(memorymanage)
-ifcapable !malloc_usable_size {
- do_test memsubsys1-2.3 {
-    set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
-  } [expr ($TEMP_STORE>1 || $MEMORY_MANAGEMENT==0)*1024]
-}
-do_test memsubsys1-2.4 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 20
-do_test memsubsys1-2.5 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 0
-
-# Test 3:  Activate PAGECACHE with 20 pages but use the wrong page size
-# so that PAGECACHE is not used.
-#
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache [expr 512+$xtra_size] 20
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-3.1 {PRAGMA page_size=1024}
-#show_memstats
-do_test memsubsys1-3.1.3 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 0
-do_test memsubsys1-3.1.4 {
-  set overflow [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
-  # Note:  The measured PAGECACHE_OVERFLOW is amount malloc() returns, not what
-  # was requested.  System malloc() implementations might (arbitrarily) return
-  # slightly different oversize buffers, which can result in slightly different
-  # PAGECACHE_OVERFLOW sizes between consecutive runs.  So we cannot do an
-  # exact comparison.  Simply verify that the amount is within 5%.
-  expr {$overflow>=$max_pagecache*0.95 && $overflow<=$max_pagecache*1.05}
-} 1
-do_test memsubsys1-3.1.5 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 0
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache [expr 2048+$xtra_size] 20
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-3.2 {PRAGMA page_size=2048}
-#show_memstats
-do_test memsubsys1-3.2.3 {
-  db eval {PRAGMA page_size}
-} 2048
-do_test memsubsys1-3.2.4 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 20
-do_test memsubsys1-3.2.5 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 0
-
-# Test 4:  Activate both PAGECACHE and SCRATCH.
-#
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache [expr 1024+$xtra_size] 50
-sqlite3_config_scratch 6000 2
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-4 {PRAGMA page_size=1024}
-#show_memstats
-do_test memsubsys1-4.3 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-  expr {$pg_used>=45 && $pg_used<=50}
-} 1
-do_test memsubsys1-4.4 {
-  set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
-} 0
-do_test memsubsys1-4.5 {
-  set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
-  expr {$maxreq<7000}
-} 1
-do_test memsubsys1-4.6 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 1
-
-# Test 5:  Activate both PAGECACHE and SCRATCH.  But make the page size
-# such that the SCRATCH allocations are too small.
-#
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache [expr 4096+$xtra_size] 24
-sqlite3_config_scratch 6000 2
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-5 {PRAGMA page_size=4096}
-#show_memstats
-do_test memsubsys1-5.3 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 24
-do_test memsubsys1-5.4 {
-  set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
-  expr {$maxreq>4096}
-} 1
-do_test memsubsys1-5.5 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 0
-do_test memsubsys1-5.6 {
-  set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
-  expr {$s_ovfl>6000}
-} 1
-
-# Test 6:  Activate both PAGECACHE and SCRATCH with a 4k page size.
-# Make it so that SCRATCH is large enough
-#
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache [expr 4096+$xtra_size] 24
-sqlite3_config_scratch 25300 1
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-6 {PRAGMA page_size=4096}
-#show_memstats
-do_test memsubsys1-6.3 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-} 24
-#do_test memsubsys1-6.4 {
-#  set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
-#  expr {$maxreq>4096 && $maxreq<=(4096+$xtra_size)}
-#} 1
-do_test memsubsys1-6.5 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 1
-do_test memsubsys1-6.6 {
-  set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
-} 0
-
-# Test 7:  Activate both PAGECACHE and SCRATCH with a 4k page size.
-# Set cache_size small so that no PAGECACHE overflow occurs.  Verify
-# that maximum allocation size is small.
-#
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache [expr 4096+$xtra_size] 24
-sqlite3_config_scratch 25300 1
-sqlite3_initialize
-reset_highwater_marks
-build_test_db memsubsys1-7 {
-  PRAGMA page_size=4096;
-  PRAGMA cache_size=10;
-  PRAGMA temp_store=memory;
-}
-#show_memstats
-do_test memsubsys1-7.3 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
-  expr {$pg_used<24}
-} 1
-do_test memsubsys1-7.4 {
-  set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
-} 0
-do_test memsubsys1-7.5 {
-  set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
-  expr {$maxreq<4100}
-} 1
-do_test memsubsys1-7.6 {
-  set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 1
-do_test memsubsys1-7.7 {
-  set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
-} 0
-
-# Test 8:  Disable PAGECACHE.  Make available SCRATCH zero.  Verify that
-# the SCRATCH overflow logic works.
-#
-db close
-sqlite3_shutdown
-sqlite3_config_pagecache 0 0
-sqlite3_config_scratch 25000 0
-sqlite3_initialize
-reset_highwater_marks
-do_test memsubsys1-8.1 {
-  set pg_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
-} 0
-do_test memsubsys1-8.2 {
-  set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
-} 0
-do_test memsubsys1-8.3 {
-  sqlite3 db :memory:
-  db eval {
-    CREATE TABLE t1(x);
-    INSERT INTO t1 VALUES(zeroblob(400));
-    INSERT INTO t1 VALUES(zeroblob(400));
-    INSERT INTO t1 SELECT * FROM t1;
-    INSERT INTO t1 SELECT * FROM t1;
-    INSERT INTO t1 SELECT * FROM t1;
-  }
-  expr {[lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]>0}
-} 1
-db close
-sqlite3_shutdown
-sqlite3_config_memstatus 0
-sqlite3_initialize
-do_test memsubsys1-8.4 {
-  sqlite3 db :memory:
-  db eval {
-    CREATE TABLE t1(x);
-    INSERT INTO t1 VALUES(zeroblob(400));
-    INSERT INTO t1 VALUES(zeroblob(400));
-    INSERT INTO t1 SELECT * FROM t1;
-    INSERT INTO t1 SELECT * FROM t1;
-    INSERT INTO t1 SELECT * FROM t1;
-    SELECT rowid FROM t1;
-  }
-} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16}
-
-
-db close
-sqlite3_shutdown
-sqlite3_config_memstatus 1
-sqlite3_config_pagecache 0 0
-sqlite3_config_scratch 0 0
-sqlite3_config_lookaside 100 500
-sqlite3_initialize
-autoinstall_test_functions
-finish_test