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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Artifact 1f514623a568ebd351d0f1fe30c8f273681c1396:


# Copyright (c) 1999, 2000 D. Richard Hipp
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
# 
# You should have received a copy of the GNU General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA  02111-1307, USA.
#
# Author contact information:
#   drh@hwaci.com
#   http://www.hwaci.com/drh/
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing expressions.
#
# $Id: expr.test,v 1.2 2000/05/31 17:59:26 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Create a table to work with.
#
execsql {CREATE TABLE test1(i1 int, i2 int, r1 real, r2 real, t1 text, t2 text)}
execsql {INSERT INTO test1 VALUES(1,2,1.1,2.2,'hello','world')}
proc test_expr {name settings expr result} {
  do_test $name [format {
    execsql {UPDATE test1 SET %s}
    execsql {SELECT %s FROM test1}
  } $settings $expr] $result
}

test_expr expr-1.1 {i1=10, i2=20} {i1+i2} 30
test_expr expr-1.2 {i1=10, i2=20} {i1-i2} -10
test_expr expr-1.3 {i1=10, i2=20} {i1*i2} 200
test_expr expr-1.4 {i1=10, i2=20} {i1/i2} 0.5
test_expr expr-1.5 {i1=10, i2=20} {i2/i1} 2
test_expr expr-1.6 {i1=10, i2=20} {i2<i1} 0
test_expr expr-1.7 {i1=10, i2=20} {i2<=i1} 0
test_expr expr-1.8 {i1=10, i2=20} {i2>i1} 1
test_expr expr-1.9 {i1=10, i2=20} {i2>=i1} 1
test_expr expr-1.10 {i1=10, i2=20} {i2!=i1} 1
test_expr expr-1.11 {i1=10, i2=20} {i2=i1} 0
test_expr expr-1.12 {i1=10, i2=20} {i2<>i1} 1
test_expr expr-1.13 {i1=10, i2=20} {i2==i1} 0
test_expr expr-1.14 {i1=20, i2=20} {i2<i1} 0
test_expr expr-1.15 {i1=20, i2=20} {i2<=i1} 1
test_expr expr-1.16 {i1=20, i2=20} {i2>i1} 0
test_expr expr-1.17 {i1=20, i2=20} {i2>=i1} 1
test_expr expr-1.18 {i1=20, i2=20} {i2!=i1} 0
test_expr expr-1.19 {i1=20, i2=20} {i2=i1} 1
test_expr expr-1.20 {i1=20, i2=20} {i2<>i1} 0
test_expr expr-1.21 {i1=20, i2=20} {i2==i1} 1
test_expr expr-1.22 {i1=1, i2=2, r1=3.0} {i1+i2*r1} {7}
test_expr expr-1.23 {i1=1, i2=2, r1=3.0} {(i1+i2)*r1} {9}
test_expr expr-1.24 {i1=1, i2=2} {min(i1,i2,i1+i2,i1-i2)} {-1}
test_expr expr-1.25 {i1=1, i2=2} {max(i1,i2,i1+i2,i1-i2)} {3}


test_expr expr-2.1 {r1=1.23, r2=2.34} {r1+r2} 3.57
test_expr expr-2.2 {r1=1.23, r2=2.34} {r1-r2} -1.11
test_expr expr-2.3 {r1=1.23, r2=2.34} {r1*r2} 2.8782
test_expr expr-2.4 {r1=1.23, r2=2.34} {r1/r2} 0.525641
test_expr expr-2.5 {r1=1.23, r2=2.34} {r2/r1} 1.90244
test_expr expr-2.6 {r1=1.23, r2=2.34} {r2<r1} 0
test_expr expr-2.7 {r1=1.23, r2=2.34} {r2<=r1} 0
test_expr expr-2.8 {r1=1.23, r2=2.34} {r2>r1} 1
test_expr expr-2.9 {r1=1.23, r2=2.34} {r2>=r1} 1
test_expr expr-2.10 {r1=1.23, r2=2.34} {r2!=r1} 1
test_expr expr-2.11 {r1=1.23, r2=2.34} {r2=r1} 0
test_expr expr-2.12 {r1=1.23, r2=2.34} {r2<>r1} 1
test_expr expr-2.13 {r1=1.23, r2=2.34} {r2==r1} 0
test_expr expr-2.14 {r1=2.34, r2=2.34} {r2<r1} 0
test_expr expr-2.15 {r1=2.34, r2=2.34} {r2<=r1} 1
test_expr expr-2.16 {r1=2.34, r2=2.34} {r2>r1} 0
test_expr expr-2.17 {r1=2.34, r2=2.34} {r2>=r1} 1
test_expr expr-2.18 {r1=2.34, r2=2.34} {r2!=r1} 0
test_expr expr-2.19 {r1=2.34, r2=2.34} {r2=r1} 1
test_expr expr-2.20 {r1=2.34, r2=2.34} {r2<>r1} 0
test_expr expr-2.21 {r1=2.34, r2=2.34} {r2==r1} 1
test_expr expr-2.22 {r1=1.23, r2=2.34} {min(r1,r2,r1+r2,r1-r2)} {-1.11}
test_expr expr-2.23 {r1=1.23, r2=2.34} {max(r1,r2,r1+r2,r1-r2)} {3.57}

finish_test