xref: /sqlite-3.40.0/test/sharedB.test (revision 9c5e1e40) 
1# 2014-12-05
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# Open two database connections on the same database in shared cache
13# mode.  Hold one open while repeatedly closing, reopening, and using
14# the second.
15#
16# This test is designed to demostrate that the fix for ticket
17# [e4a18565a36884b00edf66541f38c693827968ab] works.
18#
19
20
21set testdir [file dirname $argv0]
22source $testdir/tester.tcl
23if {[run_thread_tests]==0} { finish_test ; return }
24db close
25set ::testprefix sharedB
26
27ifcapable !shared_cache {
28  finish_test
29  return
30}
31
32set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
33
34#-------------------------------------------------------------------------
35#
36do_test 1.1 {
37  sqlite3 db1 test.db
38  sqlite3 db2 test.db
39
40  db1 eval {
41    CREATE TABLE t1(x,y TEXT COLLATE nocase);
42    WITH RECURSIVE
43      c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<100)
44    INSERT INTO t1(x,y) SELECT i, printf('x%03dy',i) FROM c;
45    CREATE INDEX t1yx ON t1(y,x);
46  }
47  db2 eval {
48    SELECT x FROM t1 WHERE y='X014Y';
49  }
50} {14}
51
52for {set j 1} {$j<=100} {incr j} {
53  do_test 1.2.$j {
54    db2 close
55    sqlite3 db2 test.db
56    db2 eval {
57      SELECT x FROM t1 WHERE y='X014Y';
58    }
59  } {14}
60}
61
62db1 close
63db2 close
64sqlite3_enable_shared_cache $::enable_shared_cache
65finish_test
66