# 2019 Jan 4
#
# 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.
#
#*************************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is testing the FTS5 module.
#

source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5interrupt

# If SQLITE_ENABLE_FTS5 is not defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(a);
  INSERT INTO t1(t1, rank) VALUES('pgsz', 40);
}
db_save_and_close

proc progress_handler {args} {
  incr ::progress_handler_delay -1
  if {$::progress_handler_delay<=0} { return 1 } 
  return 0
}

unset -nocomplain res
foreach {tn sql} {
  1 { INSERT INTO t1(rowid, a) VALUES(0, 'z z z z') }
  2 { COMMIT }
} {
  set bDone 0
  for {set i 1} {$bDone==0} {incr i} {
    do_test 1.$tn.$i {
      db_restore_and_reopen
      execsql {
        BEGIN;
          INSERT INTO t1(rowid, a) VALUES(1, 'a b c d');
          INSERT INTO t1(rowid, a) VALUES(2, 'd e f g');
          INSERT INTO t1(rowid, a) VALUES(3, 'h i j k');
          INSERT INTO t1(rowid, a) VALUES(4, 'l m n o');
      }
  
      set ::progress_handler_delay $i
      db progress 1 progress_handler
      set res [catchsql $sql]
      db close
      if {$res=="0 {}"} {
        set bDone 1
      } else {
        if {$res!="1 interrupted"} { error "got: $res" }
      }
      set {} {}
    } {}
  }
}

#-------------------------------------------------------------------------
# Verify that https://sqlite.org/forum/forumpost/95413eb410 has been 
# fixed.
#
reset_db
do_execsql_test 2.0 {
  CREATE VIRTUAL TABLE f1 USING fts5(x);
  BEGIN TRANSACTION;
    INSERT INTO f1(x) VALUES('abc def ghi');
}
do_test 2.1 {
  sqlite3_interrupt db
} {}
do_execsql_test 2.2 {
  ROLLBACK
}

finish_test
