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Add test cases to improve coverage of VDBE branches. Still some to go.

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FossilOrigin-Name: 4cef609d61de272cfdc2b39e1d49c7cd56ec834086bd63095116ff98f4d402bd
This commit is contained in:
dan
2019-04-04 17:58:34 +00:00
parent 80ac9cb3c0
commit b84b38fd89
8 changed files with 198 additions and 13 deletions
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25
test/without_rowid1.test
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@ -355,5 +355,30 @@ do_execsql_test 10.1 {
DELETE FROM t2 WHERE b=1
}
#-------------------------------------------------------------------------
# UNIQUE constraint violation in an UPDATE with a multi-column PK.
#
reset_db
do_execsql_test 10.0 {
CREATE TABLE t1(a, b, c UNIQUE, PRIMARY KEY(a, b)) WITHOUT ROWID;
INSERT INTO t1 VALUES('a', 'a', 1);
INSERT INTO t1 VALUES('a', 'b', 2);
INSERT INTO t1 VALUES('b', 'a', 3);
INSERT INTO t1 VALUES('b', 'b', 4);
}
do_catchsql_test 10.1 {
UPDATE t1 SET c=1 WHERE (a, b) = ('a', 'a');
} {0 {}}
do_catchsql_test 10.2 {
UPDATE t1 SET c=1 WHERE (a, b) = ('a', 'b');
} {1 {UNIQUE constraint failed: t1.c}}
do_catchsql_test 10.3 {
UPDATE t1 SET c=1 WHERE (a, b) = ('b', 'a');
} {1 {UNIQUE constraint failed: t1.c}}
do_catchsql_test 10.4 {
UPDATE t1 SET c=1 WHERE (a, b) = ('b', 'b');
} {1 {UNIQUE constraint failed: t1.c}}
finish_test