modernc.org/cc@v1.0.1/v2/testdata/_sqlite/ext/fts5/test/fts5aj.test (about)

     1  # 2014 June 17
     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  # This file implements regression tests for SQLite library.  The
    12  # focus of this script is testing the FTS5 module.
    13  #
    14  # Specifically, this tests that, provided the amount of data remains 
    15  # constant, the FTS index does not grow indefinitely as rows are inserted 
    16  # and deleted,
    17  #
    18  
    19  source [file join [file dirname [info script]] fts5_common.tcl]
    20  set testprefix fts5aj
    21  
    22  # If SQLITE_ENABLE_FTS5 is defined, omit this file.
    23  ifcapable !fts5 {
    24    finish_test
    25    return
    26  }
    27  
    28  proc doc {} {
    29    set dict [list a b c d e f g h i j k l m n o p q r s t u v w x y z]
    30    set res [list]
    31    for {set i 0} {$i < 20} {incr i} {
    32      lappend res [lindex $dict [expr int(rand() * 26)]]
    33    }
    34    set res
    35  }
    36  
    37  proc structure {} {
    38    set val [db one {SELECT fts5_decode(rowid,block) FROM t1_data WHERE rowid=10}]
    39    foreach lvl [lrange $val 1 end] {
    40      lappend res [expr [llength $lvl]-2]
    41    }
    42    set res
    43  }
    44  
    45  expr srand(0)
    46  do_execsql_test 1.0 {
    47    CREATE VIRTUAL TABLE t1 USING fts5(x);
    48    INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
    49  }
    50  
    51  for {set iTest 0} {$iTest < 50000} {incr iTest} {
    52    if {$iTest > 1000} { execsql { DELETE FROM t1 WHERE rowid=($iTest-1000) } }
    53    set new [doc]
    54    execsql { INSERT INTO t1 VALUES($new) }
    55    if {$iTest==10000} { set sz1 [db one {SELECT count(*) FROM t1_data}] }
    56    if {0==($iTest % 1000)} {
    57      set sz [db one {SELECT count(*) FROM t1_data}]
    58      set s [structure]
    59      do_execsql_test 1.$iTest.$sz.{$s} {
    60        INSERT INTO t1(t1) VALUES('integrity-check') 
    61      }
    62    }
    63  }
    64  
    65  do_execsql_test 2.0 { INSERT INTO t1(t1) VALUES('integrity-check') }
    66  
    67  
    68  finish_test