# 2014 Dec 20
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# Test that focus on incremental merges of segments.
#

source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5merge2
return_if_no_fts5

proc dump_structure {} {
  db eval {SELECT fts5_decode(id, block) AS t FROM t1_data WHERE id=10} {
    foreach lvl [lrange $t 1 end] {
      set seg [string repeat . [expr [llength $lvl]-2]]
      puts "[lrange $lvl 0 1] $seg"
    }
  }
}

foreach_detail_mode $testprefix {

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(x, detail=%DETAIL%);
  INSERT INTO t1(t1, rank) VALUES('pgsz', 32);
  INSERT INTO t1(t1, rank) VALUES('crisismerge', 2);
  INSERT INTO t1 VALUES('1 2 3 4');
}

expr srand(0)
db func rnddoc fts5_rnddoc
do_test 1.1 {
  for {set i 0} {$i < 100} {incr i} {
    execsql {
      BEGIN;
        DELETE FROM t1 WHERE rowid = 1;
        INSERT INTO t1(rowid, x) VALUES(1, '1 2 3 4');
        INSERT INTO t1 VALUES(rnddoc(10));
      COMMIT;
    }
  }
} {}

do_execsql_test 1.2 {
  INSERT INTO t1(t1) VALUES('integrity-check');
}

}

finish_test
