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