103 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2011 September 20
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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 sqlite3_db_status() function
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| #
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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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| set ::testprefix dbstatus2
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| 
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| do_execsql_test 1.0 {
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|   PRAGMA page_size = 1024;
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|   PRAGMA auto_vacuum = 0;
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| 
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|   CREATE TABLE t1(a PRIMARY KEY, b);
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|   INSERT INTO t1 VALUES(1, randomblob(600));
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|   INSERT INTO t1 VALUES(2, randomblob(600));
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|   INSERT INTO t1 VALUES(3, randomblob(600));
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| }
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| 
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| proc db_hit_miss {db {reset 0}} {
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|   set nHit  [sqlite3_db_status $db CACHE_HIT $reset]
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|   set nMiss [sqlite3_db_status $db CACHE_MISS $reset]
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|   list $nHit $nMiss
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| }
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| 
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| proc db_write {db {reset 0}} {
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|   sqlite3_db_status $db CACHE_WRITE $reset
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| }
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| 
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| do_test 1.1 {
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|   db close
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|   sqlite3 db test.db
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|   execsql { PRAGMA mmap_size = 0 }
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|   expr {[file size test.db] / 1024}
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| } 6
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| 
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| do_test 1.2 {
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|   execsql { SELECT b FROM t1 WHERE a=2 }
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|   db_hit_miss db
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| } {{0 2 0} {0 4 0}}
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| 
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| do_test 1.3 { 
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|   execsql { SELECT b FROM t1 WHERE a=2 }
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|   db_hit_miss db
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| } {{0 6 0} {0 4 0}}
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| 
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| do_test 1.4 { 
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|   execsql { SELECT b FROM t1 WHERE a=2 }
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|   db_hit_miss db
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| } {{0 10 0} {0 4 0}}
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| 
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| do_test 1.5 { 
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|   db_hit_miss db 1
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| } {{0 10 0} {0 4 0}}
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| 
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| do_test 1.6 { 
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|   db_hit_miss db 0
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| } {{0 0 0} {0 0 0}}
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| 
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| do_test 1.7 {
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|   set fd [db incrblob main t1 b 1]
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|   fconfigure $fd -translation binary
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|   set len [string length [read $fd]]
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|   close $fd
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|   set len
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| } 600
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| do_test 1.8 { sqlite3_db_status db CACHE_HIT  0 } {0 2 0}
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| do_test 1.9 { sqlite3_db_status db CACHE_MISS 0 } {0 1 0}
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| 
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| do_test 2.1 { db_write db } {0 0 0}
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| do_test 2.2 { 
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|   execsql { INSERT INTO t1 VALUES(4, randomblob(600)) }
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|   db_write db
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| } {0 4 0}
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| do_test 2.3 { db_write db 1 } {0 4 0}
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| do_test 2.4 { db_write db 0 } {0 0 0}
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| do_test 2.5 { db_write db 1 } {0 0 0}
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| 
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| ifcapable wal {
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|   do_test 2.6 { 
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|     execsql { PRAGMA journal_mode = WAL }
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|     db_write db 1
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|   } {0 1 0}
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| }
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| do_test 2.7 { 
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|   execsql { INSERT INTO t1 VALUES(5, randomblob(600)) }
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|   db_write db
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| } {0 4 0}
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| do_test 2.8 { db_write db 1 } {0 4 0}
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| do_test 2.9 { db_write db 0 } {0 0 0}
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|  
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| finish_test
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