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Side by Side Diff: third_party/sqlite/src/test/tkt2767.test

Issue 694353003: Get `gn gen` to succeed on Windows (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: remove GYP_DEFINES code Created 6 years, 1 month ago
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1 # 2007 Oct 3
2 #
3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
5 #
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
9 #
10 #***********************************************************************
11 #
12 # This file is to test that ticket #2767 has been fixed.
13 # Ticket #2767 is for a VDBE stack overflow on BEFORE
14 # triggers that run RAISE(IGNORE).
15 #
16 # $Id: tkt2767.test,v 1.3 2009/04/07 14:14:23 danielk1977 Exp $
17 #
18
19 set testdir [file dirname $argv0]
20 source $testdir/tester.tcl
21
22 ifcapable !trigger { finish_test ; return }
23
24 do_test tkt2767-1.1 {
25 execsql {
26 -- Construct a table with many rows of data
27 CREATE TABLE t1(x);
28 INSERT INTO t1 VALUES(1);
29 INSERT INTO t1 VALUES(2);
30 INSERT INTO t1 SELECT x+2 FROM t1;
31 INSERT INTO t1 SELECT x+4 FROM t1;
32 INSERT INTO t1 SELECT x+8 FROM t1;
33 INSERT INTO t1 SELECT x+16 FROM t1;
34
35 -- BEFORE triggers that invoke raise(ignore). The effect of
36 -- these triggers should be to make INSERTs, UPDATEs, and DELETEs
37 -- into no-ops.
38 CREATE TRIGGER r1 BEFORE UPDATE ON t1 BEGIN
39 SELECT raise(ignore);
40 END;
41 CREATE TRIGGER r2 BEFORE DELETE ON t1 BEGIN
42 SELECT raise(ignore);
43 END;
44 CREATE TRIGGER r3 BEFORE INSERT ON t1 BEGIN
45 SELECT raise(ignore);
46 END;
47
48 -- Verify the table content
49 SELECT count(*), sum(x) FROM t1;
50 }
51 } {32 528}
52
53 # Try to delete all elements of the table. This will invoke the
54 # DELETE trigger 32 times, which should overflow the VDBE stack if
55 # the problem of #2767 is not fixed. If the problem is fixed, all
56 # the deletes should be no-ops so the table should remain unchanged.
57 #
58 do_test tkt2767-1.2 {
59 execsql {
60 DELETE FROM t1 WHERE x>0;
61 SELECT count(*), sum(x) FROM t1;
62 }
63 } {32 528}
64
65 # Try to update all elements of the table. This will invoke the
66 # UPDATE trigger 32 times, which should overflow the VDBE stack if
67 # the problem of #2767 is not fixed. If the problem is fixed, all
68 # the updates should be no-ops so the table should remain unchanged.
69 #
70 do_test tkt2767-1.3 {
71 execsql {
72 UPDATE t1 SET x=x+1;
73 SELECT count(*), sum(x) FROM t1;
74 }
75 } {32 528}
76
77 # Invoke the insert trigger. The insert trigger was working
78 # even prior to the fix of #2767. But it seems good to go ahead
79 # and verify that it works.
80 #
81 do_test tkt2767-1.4 {
82 execsql {
83 INSERT INTO t1 SELECT x+32 FROM t1;
84 SELECT count(*), sum(x) FROM t1;
85 }
86 } {32 528}
87
88
89
90 finish_test
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