| Index: third_party/sqlite/test/lock2.test
|
| ===================================================================
|
| --- third_party/sqlite/test/lock2.test (revision 56608)
|
| +++ third_party/sqlite/test/lock2.test (working copy)
|
| @@ -1,172 +0,0 @@
|
| -# 2001 September 15
|
| -#
|
| -# 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 between competing processes.
|
| -#
|
| -# $Id: lock2.test,v 1.11 2009/05/01 10:55:34 danielk1977 Exp $
|
| -
|
| -
|
| -set testdir [file dirname $argv0]
|
| -source $testdir/tester.tcl
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| -
|
| -# Launch another testfixture process to be controlled by this one. A
|
| -# channel name is returned that may be passed as the first argument to proc
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| -# 'testfixture' to execute a command. The child testfixture process is shut
|
| -# down by closing the channel.
|
| -proc launch_testfixture {} {
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| - set prg [info nameofexec]
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| - if {$prg eq ""} {
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| - set prg [file join . testfixture]
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| - }
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| - set chan [open "|$prg tf_main.tcl" r+]
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| - fconfigure $chan -buffering line
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| - return $chan
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| -}
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| -
|
| -# Execute a command in a child testfixture process, connected by two-way
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| -# channel $chan. Return the result of the command, or an error message.
|
| -proc testfixture {chan cmd} {
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| - puts $chan $cmd
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| - puts $chan OVER
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| - set r ""
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| - while { 1 } {
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| - set line [gets $chan]
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| - if { $line == "OVER" } {
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| - return $r
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| - }
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| - if {[eof $chan]} {
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| - return "ERROR: Child process hung up"
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| - }
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| - append r $line
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| - }
|
| -}
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| -
|
| -# Write the main loop for the child testfixture processes into file
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| -# tf_main.tcl. The parent (this script) interacts with the child processes
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| -# via a two way pipe. The parent writes a script to the stdin of the child
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| -# process, followed by the word "OVER" on a line of its own. The child
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| -# process evaluates the script and writes the results to stdout, followed
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| -# by an "OVER" of its own.
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| -set f [open tf_main.tcl w]
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| -puts $f {
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| - set l [open log w]
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| - set script ""
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| - while {![eof stdin]} {
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| - flush stdout
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| - set line [gets stdin]
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| - puts $l "READ $line"
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| - if { $line == "OVER" } {
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| - catch {eval $script} result
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| - puts $result
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| - puts $l "WRITE $result"
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| - puts OVER
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| - puts $l "WRITE OVER"
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| - flush stdout
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| - set script ""
|
| - } else {
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| - append script $line
|
| - append script " ; "
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| - }
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| - }
|
| - close $l
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| -}
|
| -close $f
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| -
|
| -# Simple locking test case:
|
| -#
|
| -# lock2-1.1: Connect a second process to the database.
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| -# lock2-1.2: Establish a RESERVED lock with this process.
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| -# lock2-1.3: Get a SHARED lock with the second process.
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| -# lock2-1.4: Try for a RESERVED lock with process 2. This fails.
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| -# lock2-1.5: Try to upgrade the first process to EXCLUSIVE, this fails so
|
| -# it gets PENDING.
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| -# lock2-1.6: Release the SHARED lock held by the second process.
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| -# lock2-1.7: Attempt to reaquire a SHARED lock with the second process.
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| -# this fails due to the PENDING lock.
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| -# lock2-1.8: Ensure the first process can now upgrade to EXCLUSIVE.
|
| -#
|
| -do_test lock2-1.1 {
|
| - set ::tf1 [launch_testfixture]
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| - testfixture $::tf1 "sqlite3_test_control_pending_byte $::sqlite_pending_byte"
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| - testfixture $::tf1 {
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| - sqlite3 db test.db -key xyzzy
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| - db eval {select * from sqlite_master}
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| - }
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| -} {}
|
| -do_test lock2-1.1.1 {
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| - execsql {pragma lock_status}
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| -} {main unlocked temp closed}
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| -sqlite3_soft_heap_limit 0
|
| -do_test lock2-1.2 {
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| - execsql {
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| - BEGIN;
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| - CREATE TABLE abc(a, b, c);
|
| - }
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| -} {}
|
| -do_test lock2-1.3 {
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| - testfixture $::tf1 {
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| - db eval {
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| - BEGIN;
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| - SELECT * FROM sqlite_master;
|
| - }
|
| - }
|
| -} {}
|
| -do_test lock2-1.4 {
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| - testfixture $::tf1 {
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| - db eval {
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| - CREATE TABLE def(d, e, f)
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| - }
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| - }
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| -} {database is locked}
|
| -do_test lock2-1.5 {
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| - catchsql {
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| - COMMIT;
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| - }
|
| -} {1 {database is locked}}
|
| -do_test lock2-1.6 {
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| - testfixture $::tf1 {
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| - db eval {
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| - SELECT * FROM sqlite_master;
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| - COMMIT;
|
| - }
|
| - }
|
| -} {}
|
| -do_test lock2-1.7 {
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| - testfixture $::tf1 {
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| - db eval {
|
| - BEGIN;
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| - SELECT * FROM sqlite_master;
|
| - }
|
| - }
|
| -} {database is locked}
|
| -do_test lock2-1.8 {
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| - catchsql {
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| - COMMIT;
|
| - }
|
| -} {0 {}}
|
| -do_test lock2-1.9 {
|
| - execsql {
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| - SELECT * FROM sqlite_master;
|
| - }
|
| -} "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}"
|
| -do_test lock2-1.10 {
|
| - testfixture $::tf1 {
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| - db eval {
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| - SELECT * FROM sqlite_master;
|
| - }
|
| - }
|
| -} "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}"
|
| -
|
| -catch {testfixture $::tf1 {db close}}
|
| -catch {close $::tf1}
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| -sqlite3_soft_heap_limit $soft_limit
|
| -
|
| -finish_test
|
|
|