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Overview
Comment:Changes to exclusive2.test to make it more deterministic.
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SHA1: 84b0c2bc7125623be2ee526b5ca75e1b72debb93
User & Date: dan 2011-01-26 06:13:15.000
Context
2011-01-26
07:25
Update mutex1.test so that it works with the memsubsys1 permutation (pagecache memory). Change a few instances of SQLITE_MUTEX_STATIC_LRU2 in comments and test code to STATIC_PMEM. (check-in: 456bd5c63b user: dan tags: trunk)
06:13
Changes to exclusive2.test to make it more deterministic. (check-in: 84b0c2bc71 user: dan tags: trunk)
00:07
Rename the PCache1.mxPinned field to n90pct (since it is 90% of nMax) in order to distinguish it from PGroup.mxPinned. Fix the computation of n90pct so that it does not overflow adversely on excessively large cache sizes. (check-in: c85202baac user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/exclusive2.test.
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}
do_test exclusive2-1.10 {
  pagerChangeCounter test.db 2
} {2}
do_test exclusive2-1.11 {
  expr {[t1sig] eq $::sig}
} {0}


#--------------------------------------------------------------------
# These tests - exclusive2-2.X - are similar to exclusive2-1.X, 
# except that they are run with locking_mode=EXCLUSIVE.
#
# 1-3:   Build a database with exclusive-access connection 1, 
#        calculate a signature.







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}
do_test exclusive2-1.10 {
  pagerChangeCounter test.db 2
} {2}
do_test exclusive2-1.11 {
  expr {[t1sig] eq $::sig}
} {0}
db2 close

#--------------------------------------------------------------------
# These tests - exclusive2-2.X - are similar to exclusive2-1.X, 
# except that they are run with locking_mode=EXCLUSIVE.
#
# 1-3:   Build a database with exclusive-access connection 1, 
#        calculate a signature.
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# These tests - exclusive2-3.X - verify that the pager change-counter
# is only incremented by the first change when in exclusive access
# mode. In normal mode, the change-counter is incremented once
# per write-transaction.
#

db close
db2 close
catch {close $::fd}
file delete -force test.db
file delete -force test.db-journal

do_test exclusive2-3.0 {
  sqlite3 db test.db
  execsql {
    BEGIN;
    CREATE TABLE t1(a UNIQUE);
    INSERT INTO t1 VALUES(randstr(10, 400));
    INSERT INTO t1 VALUES(randstr(10, 400));
    COMMIT;
  }
  readPagerChangeCounter test.db
} {1}
do_test exclusive2-3.1 {
  execsql {
    INSERT INTO t1 VALUES(randstr(10, 400));
  }
  readPagerChangeCounter test.db
} {2}
do_test exclusive2-3.2 {
  execsql {
    INSERT INTO t1 VALUES(randstr(10, 400));
  }
  readPagerChangeCounter test.db
} {3}
do_test exclusive2-3.3 {
  execsql {
    PRAGMA locking_mode = exclusive;
    INSERT INTO t1 VALUES(randstr(10, 400));
  }
  readPagerChangeCounter test.db
} {4}
do_test exclusive2-3.4 {

  execsql {
    INSERT INTO t1 VALUES(randstr(10, 400));
  }
  readPagerChangeCounter test.db
} {4}
do_test exclusive2-3.5 {
  execsql {
    PRAGMA locking_mode = normal;
    INSERT INTO t1 VALUES(randstr(10, 400));






  }
  readPagerChangeCounter test.db
} {5}
do_test exclusive2-3.6 {
  execsql {
    INSERT INTO t1 VALUES(randstr(10, 400));
  }
  readPagerChangeCounter test.db
} {6}
sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit)

finish_test







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# These tests - exclusive2-3.X - verify that the pager change-counter
# is only incremented by the first change when in exclusive access
# mode. In normal mode, the change-counter is incremented once
# per write-transaction.
#

db close

catch {close $::fd}
file delete -force test.db
file delete -force test.db-journal

do_test exclusive2-3.0 {
  sqlite3 db test.db
  execsql {
    BEGIN;
    CREATE TABLE t1(a UNIQUE);
    INSERT INTO t1 VALUES(randstr(200, 200));
    INSERT INTO t1 VALUES(randstr(200, 200));
    COMMIT;
  }
  readPagerChangeCounter test.db
} {1}
do_test exclusive2-3.1 {
  execsql {
    INSERT INTO t1 VALUES(randstr(200, 200));
  }
  readPagerChangeCounter test.db
} {2}
do_test exclusive2-3.2 {
  execsql {
    INSERT INTO t1 VALUES(randstr(200, 200));
  }
  readPagerChangeCounter test.db
} {3}
do_test exclusive2-3.3 {
  execsql {
    PRAGMA locking_mode = exclusive;
    INSERT INTO t1 VALUES(randstr(200, 200));
  }
  readPagerChangeCounter test.db
} {4}
do_test exclusive2-3.4 {
breakpoint
  execsql {
    INSERT INTO t1 VALUES(randstr(200, 200));
  }
  readPagerChangeCounter test.db
} {4}
do_test exclusive2-3.5 {
  execsql {
    PRAGMA locking_mode = normal;
    INSERT INTO t1 VALUES(randstr(200, 200));
  }
  readPagerChangeCounter test.db
} {4}
do_test exclusive2-3.6 {
  execsql {
    INSERT INTO t1 VALUES(randstr(200, 200));
  }
  readPagerChangeCounter test.db
} {5}






sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit)

finish_test