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Add miscellaneous test cases for concurrent transactions.

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FossilOrigin-Name: 779b1d0e17bc54062b2b09cdbf94e9e2f4bae4f7
This commit is contained in:
dan
2015-08-25 19:10:29 +00:00
parent 57888f7300
commit fef3410f7f
4 changed files with 124 additions and 9 deletions
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58
test/concurrent.test
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@@ -417,7 +417,7 @@ do_multiclient_test tn {
}
#-------------------------------------------------------------------------
# Unlocked transactions may not modify the user_version or application_id.
# Concurrent transactions may not modify the user_version or application_id.
#
reset_db
do_execsql_test 3.0 {
@@ -448,6 +448,62 @@ do_execsql_test 3.5 {
SELECT * FROM t1;
} {10 0 a b c d}
#-------------------------------------------------------------------------
# However, another transaction modifying the user_version or application_id
# should not cause a conflict. And committing a concurrent transaction does not
# clobber the modification - even if the concurrent transaction allocates or
# frees database pages.
#
do_multiclient_test tn {
do_test 4.$tn.1 {
sql1 {
PRAGMA journal_mode = wal;
CREATE TABLE ttt(y UNIQUE, z UNIQUE);
PRAGMA user_version = 14;
BEGIN CONCURRENT;
INSERT INTO ttt VALUES('y', 'z');
}
} {wal}
do_test 4.$tn.2 {
sql2 { PRAGMA user_version = 16 }
sql1 COMMIT
sql1 { PRAGMA user_version }
} {16}
do_test 4.$tn.3 {
sql1 {
BEGIN CONCURRENT;
INSERT INTO ttt VALUES(randomblob(10000), randomblob(4));
PRAGMA user_version;
}
} {16}
do_test 4.$tn.4 {
sql2 { PRAGMA user_version = 1234 }
sql1 {
PRAGMA user_version;
COMMIT;
PRAGMA user_version;
PRAGMA integrity_check;
}
} {16 1234 ok}
do_test 4.$tn.5 {
sql1 {
BEGIN CONCURRENT;
DELETE FROM ttt;
PRAGMA user_version;
}
} {1234}
do_test 4.$tn.4 {
sql2 { PRAGMA user_version = 5678 }
sql1 {
PRAGMA user_version;
COMMIT;
PRAGMA user_version;
PRAGMA integrity_check;
}
} {1234 5678 ok}
}
finish_test