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84 lines
2.2 KiB
Text
84 lines
2.2 KiB
Text
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# 2011 March 30
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file contains tests for the "unix-excl" VFS module (part of
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# os_unix.c).
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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source $testdir/lock_common.tcl
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source $testdir/malloc_common.tcl
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if {$::tcl_platform(platform)!="unix" || [info commands test_syscall]==""} {
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finish_test
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return
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}
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set testprefix unixexcl
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# Test that when using VFS "unix-excl", the first time the database is read
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# a process-wide exclusive lock is taken on it. This means other connections
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# within the process may still access the db normally, but connections from
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# outside the process cannot.
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#
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do_multiclient_test tn {
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do_test unixexcl-1.$tn.1 {
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sql1 {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES('hello', 'world');
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}
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} {}
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do_test unixexcl-1.$tn.2 { sql2 { SELECT * FROM t1 } } {hello world}
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do_test unixexcl-1.$tn.3 {
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code1 {
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db close
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sqlite3 db test.db -vfs unix-excl
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db eval { SELECT * FROM t1 }
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}
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} {hello world}
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if {$tn==1} {
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do_test unixexcl-1.$tn.4.multiproc {
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csql2 { SELECT * FROM t1 }
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} {1 {database is locked}}
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} else {
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do_test unixexcl-1.$tn.4.singleproc {
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csql2 { SELECT * FROM t1 }
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} {0 {hello world}}
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}
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}
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# Test that when using VFS "unix-excl", if a file is opened in read-only mode
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# the behaviour is the same as if VFS "unix" were used.
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#
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do_multiclient_test tn {
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do_test unixexcl-2.$tn.1 {
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sql1 {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES('hello', 'world');
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}
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} {}
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do_test unixexcl-2.$tn.2 { sql2 { SELECT * FROM t1 } } {hello world}
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do_test unixexcl-2.$tn.3 {
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code1 {
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db close
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sqlite3 db test.db -readonly yes -vfs unix-excl
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db eval { SELECT * FROM t1 }
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}
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} {hello world}
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do_test unixexcl-2.$tn.4 {
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csql2 { SELECT * FROM t1 }
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} {0 {hello world}}
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}
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finish_test
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