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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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77
test/delete4.test
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@ -183,5 +183,82 @@ do_execsql_test 6.1 {
SELECT x FROM t2;
} {5}
#-------------------------------------------------------------------------
# Test the effect of failing to find a table row based on an index key
# within a DELETE. Either because the db is corrupt, or a trigger on another
# row already deleted the entry, or because a BEFORE trigger on the current
# row has already deleted it.
#
do_execsql_test 7.1.0 {
CREATE TABLE t3(id INT PRIMARY KEY, a, b) WITHOUT ROWID;
CREATE INDEX t3a ON t3(a);
CREATE INDEX t3b ON t3(b);
INSERT INTO t3 VALUES(1, 1, 1);
INSERT INTO t3 VALUES(2, 2, 2);
INSERT INTO t3 VALUES(3, 3, 3);
INSERT INTO t3 VALUES(4, 4, 1);
}
do_execsql_test 7.1.1 {
DELETE FROM t3 WHERE a=4 OR b=1;
}
do_execsql_test 7.1.2 {
SELECT * FROM t3;
} { 2 2 2 3 3 3 }
do_execsql_test 7.2.0 {
CREATE TABLE t4(a PRIMARY KEY, b) WITHOUT ROWID;
CREATE INDEX t4i ON t4(b);
INSERT INTO t4 VALUES(1, 'hello');
INSERT INTO t4 VALUES(2, 'world');
CREATE TABLE t5(a PRIMARY KEY, b) WITHOUT ROWID;
CREATE INDEX t5i ON t5(b);
INSERT INTO t5 VALUES(1, 'hello');
INSERT INTO t5 VALUES(3, 'world');
PRAGMA writable_schema = 1;
UPDATE sqlite_master SET rootpage = (
SELECT rootpage FROM sqlite_master WHERE name = 't5'
) WHERE name = 't4';
}
db close
sqlite3 db test.db
do_execsql_test 7.2.1 {
DELETE FROM t4 WHERE b='world'
}
reset_db
do_execsql_test 7.3.0 {
CREATE TABLE t3(id INT PRIMARY KEY, a, b) WITHOUT ROWID;
INSERT INTO t3 VALUES(1, 2, 3);
INSERT INTO t3 VALUES(4, 5, 6);
INSERT INTO t3 VALUES(7, 8, 9);
CREATE TRIGGER t3t BEFORE DELETE ON t3 BEGIN
DELETE FROM t3 WHERE id=old.id+3;
END;
}
do_execsql_test 7.3.1 {
DELETE FROM t3 WHERE a IN(2, 5, 8);
SELECT * FROM t3;
} {}
do_execsql_test 7.3.2 {
DROP TRIGGER t3t;
INSERT INTO t3 VALUES(1, 2, 3);
INSERT INTO t3 VALUES(4, 5, 6);
INSERT INTO t3 VALUES(7, 8, 9);
CREATE TRIGGER t3t BEFORE DELETE ON t3 BEGIN
DELETE FROM t3 WHERE id=old.id;
END;
}
do_execsql_test 7.3.3 {
DELETE FROM t3 WHERE a IN(2, 5, 8);
SELECT * FROM t3;
} {}
finish_test