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Add test cases to restore coverage of pager.c and wal.c.

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FossilOrigin-Name: 6cae552927392d8b735aa118c318d7468097ebeb
This commit is contained in:
dan
2010-11-01 18:45:08 +00:00
parent 8c40800439
commit e08c2066c9
5 changed files with 134 additions and 10 deletions
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40
test/walnoshm.test
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@ -140,7 +140,45 @@ do_test 2.2.6 {
} {a b c d e f g h}
db2 close
db close
#-------------------------------------------------------------------------
#
# 3.1: Test that if locking_mode=EXCLUSIVE is set after the wal file is
# opened, it is possible to drop back to locking_mode=NORMAL.
#
# 3.2: Test that if locking_mode=EXCLUSIVE is set before the wal file is
# opened, it is not.
#
do_test 3.1 {
sqlite3 db test.db -vfs tvfsshm
execsql {
SELECT * FROM t1;
PRAGMA locking_mode = EXCLUSIVE;
INSERT INTO t1 VALUES(5, 6);
PRAGMA locking_mode = NORMAL;
INSERT INTO t1 VALUES(7, 8);
}
sqlite3 db2 test.db -vfs tvfsshm
execsql { SELECT * FROM t1 } db2
} {1 2 3 4 5 6 7 8}
db close
db2 close
do_test 3.2 {
sqlite3 db test.db -vfs tvfsshm
execsql {
PRAGMA locking_mode = EXCLUSIVE;
INSERT INTO t1 VALUES(9, 10);
PRAGMA locking_mode = NORMAL;
INSERT INTO t1 VALUES(11, 12);
}
sqlite3 db2 test.db -vfs tvfsshm
catchsql { SELECT * FROM t1 } db2
} {1 {database is locked}}
db close
db2 close
tvfs delete
tvfsshm delete
finish_test