95 lines
2.5 KiB
Plaintext
95 lines
2.5 KiB
Plaintext
# 2013-12-06
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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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# Tests for the SQLITE_IOERR_NODB error condition: the database file file
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# is unlinked or renamed out from under SQLite.
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#
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if {$tcl_platform(platform)!="unix"} return
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Create a database file for testing
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#
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do_execsql_test pager4-1.1 {
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CREATE TABLE t1(a,b,c);
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INSERT INTO t1 VALUES(673,'stone','philips');
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SELECT * FROM t1;
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} {673 stone philips}
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# After renaming the database file while it is open, one can still
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# read from the database, but writing returns a READONLY error.
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#
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file delete -force test-xyz.db
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file rename test.db test-xyz.db
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do_catchsql_test pager4-1.2 {
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SELECT * FROM t1;
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} {0 {673 stone philips}}
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do_catchsql_test pager4-1.3 {
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UPDATE t1 SET a=537;
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} {1 {attempt to write a readonly database}}
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# Creating a different database file with the same name of the original
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# is detected and still leaves the database read-only.
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#
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sqlite3 db2 test.db
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db2 eval {CREATE TABLE t2(x,y,z)}
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do_catchsql_test pager4-1.4 {
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UPDATE t1 SET a=948;
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} {1 {attempt to write a readonly database}}
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# Changing the name back clears the READONLY error
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#
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db2 close
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file delete -force test.db
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file rename test-xyz.db test.db
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do_catchsql_test pager4-1.5 {
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SELECT * FROM t1;
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} {0 {673 stone philips}}
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do_catchsql_test pager4-1.6 {
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UPDATE t1 SET a=537;
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SELECT * FROM t1;
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} {0 {537 stone philips}}
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# We can write to a renamed database if journal_mode=OFF or
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# journal_mode=MEMORY.
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#
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file rename test.db test-xyz.db
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do_catchsql_test pager4-1.7 {
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PRAGMA journal_mode=OFF;
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UPDATE t1 SET a=107;
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SELECT * FROM t1;
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} {0 {off 107 stone philips}}
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do_catchsql_test pager4-1.8 {
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PRAGMA journal_mode=MEMORY;
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UPDATE t1 SET b='magpie';
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SELECT * FROM t1;
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} {0 {memory 107 magpie philips}}
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# Any other journal mode gives a READONLY error
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#
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do_catchsql_test pager4-1.9 {
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PRAGMA journal_mode=DELETE;
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UPDATE t1 SET c='jaguar';
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} {1 {attempt to write a readonly database}}
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do_catchsql_test pager4-1.10 {
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PRAGMA journal_mode=TRUNCATE;
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UPDATE t1 SET c='jaguar';
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} {1 {attempt to write a readonly database}}
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do_catchsql_test pager4-1.11 {
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PRAGMA journal_mode=PERSIST;
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UPDATE t1 SET c='jaguar';
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} {1 {attempt to write a readonly database}}
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finish_test
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