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Overview
Comment:Added new tests of the scratch memory allocator for increased test coverage. (CVS 6388)
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SHA1: e99e28efbbfff3e46eec0f90d566991de4406fd8
User & Date: drh 2009-03-26 12:20:33
Context
2009-03-26
14:48
Prevent the tcl test suite from throwing an exception when a threadsafe SQLite is linked against a non-threadsafe Tcl for testing. Print a warning instead. Ticket #3753. (CVS 6389) check-in: a22e7c81 user: danielk1977 tags: trunk
12:20
Added new tests of the scratch memory allocator for increased test coverage. (CVS 6388) check-in: e99e28ef user: drh tags: trunk
11:49
Ensure that the test vfs in test_journal.c zeroes sqlite3_file.pMethods if an xOpen() call fails. Similar problem to that fixed by #6384. This was a problem with test code, not SQLite itself. (CVS 6387) check-in: 45ae830d user: danielk1977 tags: trunk
Changes
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Changes to test/memsubsys1.test.

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#    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
#
# $Id: memsubsys1.test,v 1.13 2008/10/01 13:55:51 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
sqlite3_reset_auto_extension

# This procedure constructs a new database in test.db.  It fills
# this database with many small records (enough to force multiple
................................................................................
} 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




db close
sqlite3_shutdown











































sqlite3_config_pagecache 0 0
sqlite3_config_scratch 0 0
sqlite3_config_lookaside 100 500
sqlite3_initialize
autoinstall_test_functions
finish_test







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#    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
#
# $Id: memsubsys1.test,v 1.14 2009/03/26 12:20:33 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
sqlite3_reset_auto_extension

# This procedure constructs a new database in test.db.  It fills
# this database with many small records (enough to force multiple
................................................................................
} 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