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Overview
Comment:Update a couple of test scripts so that they work in auto-vacuum mode.
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SHA1: 04ab2dc6914e4d6fe2682eba08fc1cd1148a44a1
User & Date: dan 2012-12-05 09:12:58.803
Context
2012-12-05
10:01
If the atomic-write property is enabled, a transaction may be committed in journal_mode=DELETE mode without ever actually creating a journal file on disk. In this case, do not attempt to unlink() the journal file when committing the transaction. (check-in: 11aa47b0a8 user: dan tags: trunk)
09:12
Update a couple of test scripts so that they work in auto-vacuum mode. (check-in: 04ab2dc691 user: dan tags: trunk)
2012-12-04
11:03
Fix a harmless compiler warning. (check-in: 12693deba9 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/backup4.test.
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# Test that if the source is zero bytes, the destination database 
# consists of a single page only.
#
do_execsql_test 2.1 {
  CREATE TABLE t1(a, b);
  CREATE INDEX i1 ON t1(a, b);
}

do_test 2.2 { file size test.db } 3072

do_test 2.3 {
  sqlite3 db1 test.db2
  db1 backup test.db
  db1 close
  file size test.db
} {1024}







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# Test that if the source is zero bytes, the destination database 
# consists of a single page only.
#
do_execsql_test 2.1 {
  CREATE TABLE t1(a, b);
  CREATE INDEX i1 ON t1(a, b);
}

do_test 2.2 { file size test.db } [expr $AUTOVACUUM ? 4096 : 3072]

do_test 2.3 {
  sqlite3 db1 test.db2
  db1 backup test.db
  db1 close
  file size test.db
} {1024}
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# of a single page.
#
do_execsql_test 3.1 {
  PRAGMA page_size = 4096;
  CREATE TABLE t1(a, b);
  CREATE INDEX i1 ON t1(a, b);
}

do_test 3.2 { file size test.db } 12288

do_test 3.3 {
  sqlite3 db1 test.db2
  db1 backup test.db
  db1 close
  file size test.db
} {1024}

do_test 3.4 { file size test.db2 } 0

finish_test








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# of a single page.
#
do_execsql_test 3.1 {
  PRAGMA page_size = 4096;
  CREATE TABLE t1(a, b);
  CREATE INDEX i1 ON t1(a, b);
}

do_test 3.2 { file size test.db } [expr $AUTOVACUUM ? 16384 : 12288]

do_test 3.3 {
  sqlite3 db1 test.db2
  db1 backup test.db
  db1 close
  file size test.db
} {1024}

do_test 3.4 { file size test.db2 } 0

finish_test

Changes to test/wal9.test.
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    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
  COMMIT;
} {}

# Check file sizes are as expected. The real requirement here is that 
# the *shm file is now more than one chunk (>32KiB).



do_test 1.3 { file size test.db     } {1024}
do_test 1.4 { file size test.db-wal } {15421352}
do_test 1.5 { expr {[file size test.db-shm]>32768} } {1}

do_execsql_test 1.6 { PRAGMA wal_checkpoint } {0 14715 14715}



# At this point connection [db2] has mapped the first 32KB of the *shm file
# only. Because the entire WAL file has been checkpointed, it is not 
# necessary to map any more of the *-shm file to read or write the database
# (since all data will be read directly from the db file). 
#
# However, at one point if a transaction that had not yet written to the 







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    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
  COMMIT;
} {}

# Check file sizes are as expected. The real requirement here is that 
# the *shm file is now more than one chunk (>32KiB).
#
# The sizes of various files are slightly different in normal and 
# auto-vacuum mode.
do_test 1.3 { file size test.db     } {1024}
do_test 1.4 { expr {[file size test.db-wal]>(1500*1024)} } {1}
do_test 1.5 { expr {[file size test.db-shm]>32768} }       {1}
do_test 1.6 { 
  foreach {a b c} [db eval {PRAGMA wal_checkpoint}] break
  list [expr {$a==0}] [expr {$b>14500}] [expr {$c>14500}] [expr {$b==$c}]
} {1 1 1 1}

# At this point connection [db2] has mapped the first 32KB of the *shm file
# only. Because the entire WAL file has been checkpointed, it is not 
# necessary to map any more of the *-shm file to read or write the database
# (since all data will be read directly from the db file). 
#
# However, at one point if a transaction that had not yet written to the