modernc.org/cc@v1.0.1/v2/testdata/_sqlite/ext/rbu/rbutemplimit.test (about)

     1  # 2014 August 30
     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  
    13  source [file join [file dirname [info script]] rbu_common.tcl]
    14  set ::testprefix rbutemplimit
    15  
    16  db close
    17  sqlite3_shutdown
    18  sqlite3_config_uri 1
    19  
    20  proc setup_databases {} {
    21    forcedelete test.db2
    22    forcedelete test.db
    23    sqlite3 db test.db
    24    execsql {
    25      -- Create target database schema.
    26      --
    27      CREATE TABLE t1(a INTEGER PRIMARY KEY, b BLOB(100), c BLOB(100));
    28      CREATE TABLE t2(a INTEGER PRIMARY KEY, b BLOB(100), c BLOB(100));
    29      CREATE INDEX i1b ON t1(b);
    30      CREATE INDEX i1c ON t1(c);
    31      CREATE INDEX i2b ON t2(b);
    32      CREATE INDEX i2c ON t2(c);
    33    
    34      -- Create a large RBU database.
    35      --
    36      ATTACH 'test.db2' AS rbu;
    37      CREATE TABLE rbu.data_t1(a, b, c, rbu_control);
    38      WITH s(i) AS (
    39        VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<10000
    40      )
    41      INSERT INTO data_t1 SELECT i, randomblob(100), randomblob(100), 0 FROM s;
    42      CREATE TABLE rbu.data_t2(a, b, c, rbu_control);
    43      WITH s(i) AS (
    44        VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<15000
    45      )
    46      INSERT INTO data_t2 SELECT i, randomblob(100), randomblob(100), 0 FROM s;
    47    }
    48    db close
    49  }
    50  
    51  proc run_rbu_cachesize {target rbu cachesize temp_limit} {
    52    sqlite3rbu rbu $target $rbu
    53    rbu temp_size_limit $temp_limit
    54    sqlite3_exec_nr [rbu db 1] "PRAGMA cache_size = $cachesize"
    55    while 1 {
    56      set rc [rbu step]
    57      set ::A([rbu temp_size]) 1
    58      if {$rc!="SQLITE_OK"} break
    59    }
    60    list [catch {rbu close} msg] $msg
    61  }
    62  
    63  proc step_rbu_cachesize {target rbu stepsize cachesize temp_limit} {
    64    set res ""
    65    while 1 {
    66      sqlite3rbu rbu $target $rbu
    67      rbu temp_size_limit $temp_limit
    68      sqlite3_exec_nr [rbu db 1] "PRAGMA cache_size = $cachesize"
    69      for {set i 0} {$i < $stepsize} {incr i} {
    70        set rc [rbu step]
    71        set ::A([rbu temp_size]) 1
    72        if {$rc!="SQLITE_OK"} break
    73      }
    74      set res [list [catch {rbu close} msg] $msg]
    75      if {$res != "0 SQLITE_OK"} break
    76    }
    77    set res
    78  }
    79  
    80  do_test 1.1.0 { setup_databases } {}
    81  
    82  do_test 1.1.1 {
    83    unset -nocomplain ::A
    84    run_rbu_cachesize test.db test.db2 10 0
    85  } {0 SQLITE_DONE}
    86  
    87  do_test 1.1.2 { llength [array names ::A] } 3
    88  
    89  do_test 1.1.3 { 
    90    foreach {a0 a1 a2} [lsort -integer [array names ::A]] {}
    91    list [expr $a0==0]                         \
    92         [expr $a1>1048576] [expr $a1<1200000] \
    93         [expr $a2>1500000] [expr $a2<1700000]
    94  } {1 1 1 1 1}
    95  
    96  do_test 1.2.1 {
    97    setup_databases
    98    run_rbu_cachesize test.db test.db2 10 1000000
    99  } {1 SQLITE_FULL}
   100  do_test 1.2.2 { info commands rbu } {}
   101  
   102  do_test 1.3.1 {
   103    setup_databases
   104    run_rbu_cachesize test.db test.db2 10 1300000
   105  } {1 SQLITE_FULL}
   106  do_test 1.3.2 { info commands rbu } {}
   107  
   108  do_test 1.4.1 {
   109    setup_databases
   110    run_rbu_cachesize test.db test.db2 10 1800000
   111  } {0 SQLITE_DONE}
   112  do_test 1.4.2 { info commands rbu } {}
   113  
   114  do_test 1.5.1 {
   115    setup_databases
   116    unset -nocomplain ::A
   117    step_rbu_cachesize test.db test.db2 1000 10 2400000
   118  } {0 SQLITE_DONE}
   119  do_test 1.5.2 { info commands rbu } {}
   120  
   121  do_test 1.6.1 {
   122    setup_databases
   123    unset -nocomplain ::A
   124    step_rbu_cachesize test.db test.db2 1000 10 1400000
   125  } {1 SQLITE_FULL}
   126  do_test 1.6.2 { info commands rbu } {}
   127  
   128  finish_test
   129