96 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2007 April 24
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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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| # This file implements regression tests for SQLite library.
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| #
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| # This file implements tests to make sure SQLite treats a database
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| # as readonly if its write version is set to  high.
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| #
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| # $Id: rdonly.test,v 1.2 2008/07/08 10:19:58 danielk1977 Exp $
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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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| 
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| # Do not use a codec for tests in this file, as the database file is
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| # manipulated directly using tcl scripts (using the [hexio_write] command).
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| #
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| do_not_use_codec
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| 
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| # Create a database.
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| #
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| do_test rdonly-1.1 {
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|   execsql {
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|     CREATE TABLE t1(x);
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|     INSERT INTO t1 VALUES(1);
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|     SELECT * FROM t1;
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|   }
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| } {1}
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| 
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| # EVIDENCE-OF: R-29639-16887 The sqlite3_db_readonly(D,N) interface
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| # returns 1 if the database N of connection D is read-only, 0 if it is
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| # read/write, or -1 if N is not the name of a database on connection D.
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| #
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| do_test rdonly-1.1.1 {
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|   sqlite3_db_readonly db main
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| } {0}
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| 
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| # Changes the write version from 1 to 3.  Verify that the database
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| # can be read but not written.
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| #
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| do_test rdonly-1.2 {
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|   db close
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|   hexio_get_int [hexio_read test.db 18 1]
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| } 1
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| do_test rdonly-1.3 {
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|   hexio_write test.db 18 03
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|   sqlite3 db test.db
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|   execsql {
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|     SELECT * FROM t1;
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|   }
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| } {1}
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| do_test rdonly-1.3.1 {
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|   sqlite3_db_readonly db main
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| } {1}
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| do_test rdonly-1.4 {
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|   catchsql {
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|     INSERT INTO t1 VALUES(2)
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|   }
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| } {1 {attempt to write a readonly database}}
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| 
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| # Change the write version back to 1.  Verify that the database
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| # is read-write again.
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| #
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| do_test rdonly-1.5 {
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|   db close
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|   hexio_write test.db 18 01
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|   sqlite3 db test.db
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|   catchsql {
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|     INSERT INTO t1 VALUES(2);
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|     SELECT * FROM t1;
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|   }
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| } {0 {1 2}}
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| 
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| # Now, after connection [db] has loaded the database schema, modify the
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| # write-version of the file (and the change-counter, so that the 
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| # write-version is reloaded). This way, SQLite does not discover that
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| # the database is read-only until after it is locked.
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| #
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| set ro_version 02
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| ifcapable wal { set ro_version 03 }
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| do_test rdonly-1.6 {
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|   hexio_write test.db 18 $ro_version     ; # write-version
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|   hexio_write test.db 24 11223344        ; # change-counter
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|   catchsql {
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|     INSERT INTO t1 VALUES(2);
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|   }
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| } {1 {attempt to write a readonly database}}
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| 
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| finish_test
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