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1 # 2011 September 20 | |
2 # | |
3 # The author disclaims copyright to this source code. In place of | |
4 # a legal notice, here is a blessing: | |
5 # | |
6 # May you do good and not evil. | |
7 # May you find forgiveness for yourself and forgive others. | |
8 # May you share freely, never taking more than you give. | |
9 # | |
10 #*********************************************************************** | |
11 # | |
12 # Tests for the sqlite3_db_status() function | |
13 # | |
14 | |
15 set testdir [file dirname $argv0] | |
16 source $testdir/tester.tcl | |
17 | |
18 set ::testprefix dbstatus2 | |
19 | |
20 do_execsql_test 1.0 { | |
21 PRAGMA page_size = 1024; | |
22 PRAGMA auto_vacuum = 0; | |
23 | |
24 CREATE TABLE t1(a PRIMARY KEY, b); | |
25 INSERT INTO t1 VALUES(1, randomblob(600)); | |
26 INSERT INTO t1 VALUES(2, randomblob(600)); | |
27 INSERT INTO t1 VALUES(3, randomblob(600)); | |
28 } | |
29 | |
30 proc db_hit_miss {db {reset 0}} { | |
31 set nHit [sqlite3_db_status $db CACHE_HIT $reset] | |
32 set nMiss [sqlite3_db_status $db CACHE_MISS $reset] | |
33 list $nHit $nMiss | |
34 } | |
35 | |
36 proc db_write {db {reset 0}} { | |
37 sqlite3_db_status $db CACHE_WRITE $reset | |
38 } | |
39 | |
40 do_test 1.1 { | |
41 db close | |
42 sqlite3 db test.db | |
43 execsql { PRAGMA mmap_size = 0 } | |
44 expr {[file size test.db] / 1024} | |
45 } 6 | |
46 | |
47 do_test 1.2 { | |
48 execsql { SELECT b FROM t1 WHERE a=2 } | |
49 db_hit_miss db | |
50 } {{0 2 0} {0 4 0}} | |
51 | |
52 do_test 1.3 { | |
53 execsql { SELECT b FROM t1 WHERE a=2 } | |
54 db_hit_miss db | |
55 } {{0 6 0} {0 4 0}} | |
56 | |
57 do_test 1.4 { | |
58 execsql { SELECT b FROM t1 WHERE a=2 } | |
59 db_hit_miss db | |
60 } {{0 10 0} {0 4 0}} | |
61 | |
62 do_test 1.5 { | |
63 db_hit_miss db 1 | |
64 } {{0 10 0} {0 4 0}} | |
65 | |
66 do_test 1.6 { | |
67 db_hit_miss db 0 | |
68 } {{0 0 0} {0 0 0}} | |
69 | |
70 do_test 1.7 { | |
71 set fd [db incrblob main t1 b 1] | |
72 fconfigure $fd -translation binary | |
73 set len [string length [read $fd]] | |
74 close $fd | |
75 set len | |
76 } 600 | |
77 do_test 1.8 { sqlite3_db_status db CACHE_HIT 0 } {0 2 0} | |
78 do_test 1.9 { sqlite3_db_status db CACHE_MISS 0 } {0 1 0} | |
79 | |
80 do_test 2.1 { db_write db } {0 0 0} | |
81 do_test 2.2 { | |
82 execsql { INSERT INTO t1 VALUES(4, randomblob(600)) } | |
83 db_write db | |
84 } {0 4 0} | |
85 do_test 2.3 { db_write db 1 } {0 4 0} | |
86 do_test 2.4 { db_write db 0 } {0 0 0} | |
87 do_test 2.5 { db_write db 1 } {0 0 0} | |
88 | |
89 ifcapable wal { | |
90 do_test 2.6 { | |
91 execsql { PRAGMA journal_mode = WAL } | |
92 db_write db 1 | |
93 } {0 1 0} | |
94 } | |
95 do_test 2.7 { | |
96 execsql { INSERT INTO t1 VALUES(5, randomblob(600)) } | |
97 db_write db | |
98 } {0 4 0} | |
99 do_test 2.8 { db_write db 1 } {0 4 0} | |
100 do_test 2.9 { db_write db 0 } {0 0 0} | |
101 | |
102 finish_test | |
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