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Annotation of embedaddon/sqlite3/test/shrink.test, revision 1.1.1.1

1.1       misho       1: # 2011 November 16
                      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: # This file contains test cases for sqlite3_db_release_memory and
                     13: # the PRAGMA shrink_memory statement.
                     14: #
                     15: 
                     16: set testdir [file dirname $argv0]
                     17: source $testdir/tester.tcl
                     18: 
                     19: unset -nocomplain baseline
                     20: do_test shrink-1.1 {
                     21:   db eval {
                     22:     PRAGMA cache_size = 2000;
                     23:     CREATE TABLE t1(x,y);
                     24:     INSERT INTO t1 VALUES(randomblob(1000000),1);
                     25:   }
                     26:   set ::baseline sqlite3_memory_used
                     27:   sqlite3_db_release_memory db
                     28:   expr {$::baseline > [sqlite3_memory_used]+500000}
                     29: } {1}
                     30: do_test shrink-1.2 {
                     31:   set baseline [sqlite3_memory_used]
                     32:   db eval {
                     33:     UPDATE t1 SET y=y+1;
                     34:   }
                     35:   expr {$::baseline+500000 < [sqlite3_memory_used]}
                     36: } {1}
                     37: do_test shrink-1.3 {
                     38:   set baseline [sqlite3_memory_used]
                     39:   db eval {PRAGMA shrink_memory}
                     40:   expr {$::baseline > [sqlite3_memory_used]+500000}
                     41: } {1}
                     42: 
                     43: finish_test