# 2004 Jun 29

#

# 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.

#

# This file implements tests for the "sqlite3_trace()" API.

#

# $Id: trace.test,v 1.7 2008/01/12 21:35:57 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

ifcapable !trace {

  finish_test

  return

}

set ::stmtlist {}

do_test trace-1.1 {

  set rc [catch {db trace 1 2 3} msg]

  lappend rc $msg

} {1 {wrong # args: should be "db trace ?CALLBACK?"}}

proc trace_proc cmd {

  lappend ::stmtlist [string trim $cmd]

}

do_test trace-1.2 {

  db trace trace_proc

  db trace

} {trace_proc}

do_test trace-1.3 {

  execsql {

    CREATE TABLE t1(a,b);

    INSERT INTO t1 VALUES(1,2);

    SELECT * FROM t1;

  }

} {1 2}

do_test trace-1.4 {

  set ::stmtlist

} {{CREATE TABLE t1(a,b);} {INSERT INTO t1 VALUES(1,2);} {SELECT * FROM t1;}}

do_test trace-1.5 {

  db trace {}

  db trace

} {}

# If we prepare a statement and execute it multiple times, the trace

# happens on each execution.

#

db close

sqlite3 db test.db; set DB [sqlite3_connection_pointer db]

do_test trace-2.1 {

  set STMT [sqlite3_prepare $DB {INSERT INTO t1 VALUES(2,3)} -1 TAIL]

  db trace trace_proc

  proc trace_proc sql {

    global TRACE_OUT

    set TRACE_OUT $sql

  }

  set TRACE_OUT {}

  sqlite3_step $STMT

  set TRACE_OUT

} {INSERT INTO t1 VALUES(2,3)}

do_test trace-2.2 {

  set TRACE_OUT {}

  sqlite3_reset $STMT

  set TRACE_OUT 

} {}

do_test trace-2.3 {

  sqlite3_step $STMT

  set TRACE_OUT

} {INSERT INTO t1 VALUES(2,3)}

do_test trace-2.4 {

  execsql {SELECT * FROM t1}

} {1 2 2 3 2 3}

do_test trace-2.5 {

  set TRACE_OUT

} {SELECT * FROM t1}

catch {sqlite3_finalize $STMT}

# Similar tests, but this time for profiling.

# 

do_test trace-3.1 {

  set rc [catch {db profile 1 2 3} msg]

  lappend rc $msg

} {1 {wrong # args: should be "db profile ?CALLBACK?"}}

set ::stmtlist {}

proc profile_proc {cmd tm} {

  lappend ::stmtlist [string trim $cmd]

}

do_test trace-3.2 {

  db trace {}

  db profile profile_proc

  db profile

} {profile_proc}

do_test trace-3.3 {

  execsql {

    CREATE TABLE t2(a,b);

    INSERT INTO t2 VALUES(1,2);

    SELECT * FROM t2;

  }

} {1 2}

do_test trace-3.4 {

  set ::stmtlist

} {{CREATE TABLE t2(a,b);} {INSERT INTO t2 VALUES(1,2);} {SELECT * FROM t2;}}

do_test trace-3.5 {

  db profile {}

  db profile

} {}

# If we prepare a statement and execute it multiple times, the profile

# happens on each execution.

#

db close

sqlite3 db test.db; set DB [sqlite3_connection_pointer db]

do_test trace-4.1 {

  set STMT [sqlite3_prepare $DB {INSERT INTO t2 VALUES(2,3)} -1 TAIL]

  db trace trace_proc

  proc profile_proc {sql tm} {

    global TRACE_OUT

    set TRACE_OUT $sql

  }

  set TRACE_OUT {}

  sqlite3_step $STMT

  set TRACE_OUT

} {INSERT INTO t2 VALUES(2,3)}

do_test trace-4.2 {

  set TRACE_OUT {}

  sqlite3_reset $STMT

  set TRACE_OUT 

} {}

do_test trace-4.3 {

  sqlite3_step $STMT

  set TRACE_OUT

} {INSERT INTO t2 VALUES(2,3)}

do_test trace-4.4 {

  execsql {SELECT * FROM t1}

} {1 2 2 3 2 3}

do_test trace-4.5 {

  set TRACE_OUT

} {SELECT * FROM t1}

catch {sqlite3_finalize $STMT}

# Trigger tracing.

#

do_test trace-5.1 {

  db eval {

    CREATE TRIGGER r1t1 AFTER UPDATE ON t1 BEGIN

      UPDATE t2 SET a=new.a WHERE rowid=new.rowid;

    END;

    CREATE TRIGGER r1t2 AFTER UPDATE ON t2 BEGIN

      SELECT 'hello';

    END;

  }

  set TRACE_OUT {}

  proc trace_proc cmd {

    lappend ::TRACE_OUT [string trim $cmd]

  }

  db eval {

    UPDATE t1 SET a=a+1;

  }

  set TRACE_OUT

} {{UPDATE t1 SET a=a+1;} {-- TRIGGER r1t1} {-- TRIGGER r1t2} {-- TRIGGER r1t1} {-- TRIGGER r1t2} {-- TRIGGER r1t1} {-- TRIGGER r1t2}}

finish_test