# 2001 September 15## 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 file is testing the 'progress callback'.## $Id: progress.test,v 1.5 2005/01/20 02:17:02 danielk1977 Exp $set testdir [file dirname $argv0]source $testdir/tester.tcl# If the progress callback is not available in this build, skip this# whole file.ifcapable !progress {  finish_test  return}# Build some test data#execsql {  BEGIN;  CREATE TABLE t1(a);  INSERT INTO t1 VALUES(1);  INSERT INTO t1 VALUES(2);  INSERT INTO t1 VALUES(3);  INSERT INTO t1 VALUES(4);  INSERT INTO t1 VALUES(5);  INSERT INTO t1 VALUES(6);  INSERT INTO t1 VALUES(7);  INSERT INTO t1 VALUES(8);  INSERT INTO t1 VALUES(9);  INSERT INTO t1 VALUES(10);  COMMIT;}# Test that the progress callback is invoked.do_test progress-1.0 {  set counter 0  db progress 1 "[namespace code {incr counter}] ; expr 0"  execsql {    SELECT * FROM t1  }  expr $counter > 1} 1do_test progress-1.0.1 {  db progress} {::namespace inscope :: {incr counter} ; expr 0}do_test progress-1.0.2 {  set v [catch {db progress xyz bogus} msg]  lappend v $msg} {1 {expected integer but got "xyz"}}# Test that the query is abandoned when the progress callback returns non-zerodo_test progress-1.1 {  set counter 0  db progress 1 "[namespace code {incr counter}] ; expr 1"  set rc [catch {execsql {    SELECT * FROM t1  }}]  list $counter $rc} {1 1}# Test that the query is rolled back when the progress callback returns# non-zero.do_test progress-1.2 {  # This figures out how many opcodes it takes to copy 5 extra rows into t1.  db progress 1 "[namespace code {incr five_rows}] ; expr 0"  set five_rows 0  execsql {    INSERT INTO t1 SELECT a+10 FROM t1 WHERE a < 6  }  db progress 0 ""  execsql {    DELETE FROM t1 WHERE a > 10  }  # Now set up the progress callback to abandon the query after the number of  # opcodes to copy 5 rows. That way, when we try to copy 6 rows, we know  # some data will have been inserted into the table by the time the progress  # callback abandons the query.  db progress $five_rows "expr 1"  catchsql {    INSERT INTO t1 SELECT a+10 FROM t1 WHERE a < 9  }  execsql {    SELECT count(*) FROM t1  }} 10# Test that an active transaction remains active and not rolled back after the# progress query abandons a query. do_test progress-1.3 {  db progress 0 ""  execsql BEGIN  execsql {    INSERT INTO t1 VALUES(11)  }  db progress 1 "expr 1"  catchsql {    INSERT INTO t1 VALUES(12)  }  db progress 0 ""  execsql COMMIT  execsql {    SELECT count(*) FROM t1  }} 11# Check that a value of 0 for N means no progress callbackdo_test progress-1.4 {  set counter 0  db progress 0 "[namespace code {incr counter}] ; expr 0"  execsql {    SELECT * FROM t1;  }  set counter} 0db progress 0 ""finish_test