| Index: third_party/sqlite/test/lock4.test
|
| ===================================================================
|
| --- third_party/sqlite/test/lock4.test (revision 56608)
|
| +++ third_party/sqlite/test/lock4.test (working copy)
|
| @@ -1,116 +0,0 @@
|
| -# 2007 April 6
|
| -#
|
| -# The author disclaims copyright to this source code. In place of
|
| -# a legal notice, here is a blessing:
|
| -#
|
| -# May you do good and not evil.
|
| -# May you find forgiveness for yourself and forgive others.
|
| -# May you share freely, never taking more than you give.
|
| -#
|
| -#***********************************************************************
|
| -# This file implements regression tests for SQLite library. The
|
| -# focus of this script is database locks.
|
| -#
|
| -# $Id: lock4.test,v 1.10 2009/05/06 00:52:41 drh Exp $
|
| -
|
| -
|
| -set testdir [file dirname $argv0]
|
| -source $testdir/tester.tcl
|
| -
|
| -# Initialize the test.db database so that it is non-empty
|
| -#
|
| -do_test lock4-1.1 {
|
| - db eval {
|
| - PRAGMA auto_vacuum=OFF;
|
| - CREATE TABLE t1(x);
|
| - }
|
| - file delete -force test2.db test2.db-journal
|
| - sqlite3 db2 test2.db
|
| - db2 eval {
|
| - PRAGMA auto_vacuum=OFF;
|
| - CREATE TABLE t2(x)
|
| - }
|
| - db2 close
|
| - list [file size test.db] [file size test2.db]
|
| -} {2048 2048}
|
| -
|
| -# Create a script to drive a separate process that will
|
| -#
|
| -# 1. Create a second database test2.db
|
| -# 2. Get an exclusive lock on test2.db
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| -# 3. Add an entry to test.db in table t1, waiting as necessary.
|
| -# 4. Commit the change to test2.db.
|
| -#
|
| -# Meanwhile, this process will:
|
| -#
|
| -# A. Get an exclusive lock on test.db
|
| -# B. Attempt to read from test2.db but get an SQLITE_BUSY error.
|
| -# C. Commit the changes to test.db thus alloing the other process
|
| -# to continue.
|
| -#
|
| -do_test lock4-1.2 {
|
| -
|
| - # Create a script for the second process to run.
|
| - #
|
| - set out [open test2-script.tcl w]
|
| - puts $out "sqlite3_test_control_pending_byte [set sqlite_pending_byte]"
|
| - puts $out {
|
| - sqlite3 db2 test2.db
|
| - db2 eval {
|
| - BEGIN;
|
| - INSERT INTO t2 VALUES(2);
|
| - }
|
| - sqlite3 db test.db
|
| - db timeout 1000000
|
| - db eval {
|
| - INSERT INTO t1 VALUES(2);
|
| - }
|
| - db close
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| - db2 eval COMMIT
|
| - exit
|
| - }
|
| - close $out
|
| -
|
| - # Begin a transaction on test.db.
|
| - db eval {
|
| - BEGIN EXCLUSIVE;
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| - INSERT INTO t1 VALUES(1);
|
| - }
|
| -
|
| - # Kick off the second process.
|
| - exec [info nameofexec] ./test2-script.tcl &
|
| -
|
| - # Wait until the second process has started its transaction on test2.db.
|
| - while {![file exists test2.db-journal]} {
|
| - after 10
|
| - }
|
| -
|
| - # Try to write to test2.db. We are locked out.
|
| - sqlite3 db2 test2.db
|
| - catchsql {
|
| - INSERT INTO t2 VALUES(1)
|
| - } db2
|
| -} {1 {database is locked}}
|
| -do_test lock4-1.3 {
|
| - db eval {
|
| - COMMIT;
|
| - }
|
| - while {[file exists test2.db-journal]} {
|
| - after 10
|
| - }
|
| - # The other process has committed its transaction on test2.db by
|
| - # deleting the journal file. But it might retain the lock for a
|
| - # fraction longer
|
| - #
|
| - after 25
|
| - db2 eval {
|
| - SELECT * FROM t2
|
| - }
|
| -} {2}
|
| -
|
| -
|
| -do_test lock4-999.1 {
|
| - rename db2 {}
|
| -} {}
|
| -
|
| -finish_test
|
|
|