# Commands covered:  incr

#

# This file contains the original set of tests for Tcl's incr command.

# Since the incr command is now compiled, a new set of tests covering

# the new implementation is in the file "incr.test". Sourcing this file

# into Tcl runs the tests and generates output for errors.

# No output means no errors were found.

#

# Copyright (c) 1991-1993 The Regents of the University of California.

# Copyright (c) 1994-1996 Sun Microsystems, Inc.

# Copyright (c) 1998-1999 by Scriptics Corporation.

#

# See the file "license.terms" for information on usage and redistribution

# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

#

# RCS: @(#) $Id: incr-old.test,v 1.6.2.1 2003/03/27 13:11:13 dkf Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {

    package require tcltest

    namespace import -force ::tcltest::*

}

catch {unset x}

test incr-old-1.1 {basic incr operation} {

    set x 23

    list [incr x] $x

} {24 24}

test incr-old-1.2 {basic incr operation} {

    set x 106

    list [incr x -5] $x

} {101 101}

test incr-old-1.3 {basic incr operation} {

    set x "  -106"

    list [incr x 1] $x

} {-105 -105}

test incr-old-1.4 {basic incr operation} {

    set x "  +106"

    list [incr x 1] $x

} {107 107}

test incr-old-2.1 {incr errors} {

    list [catch incr msg] $msg

} {1 {wrong # args: should be "incr varName ?increment?"}}

test incr-old-2.2 {incr errors} {

    list [catch {incr a b c} msg] $msg

} {1 {wrong # args: should be "incr varName ?increment?"}}

test incr-old-2.3 {incr errors} {

    catch {unset x}

    list [catch {incr x} msg] $msg $errorInfo

} {1 {can't read "x": no such variable} {can't read "x": no such variable

    (reading value of variable to increment)

    invoked from within

"incr x"}}

test incr-old-2.4 {incr errors} {

    set x abc

    list [catch {incr x} msg] $msg $errorInfo

} {1 {expected integer but got "abc"} {expected integer but got "abc"

    while executing

"incr x"}}

test incr-old-2.5 {incr errors} {

    set x 123

    list [catch {incr x 1a} msg] $msg $errorInfo

} {1 {expected integer but got "1a"} {expected integer but got "1a"

    (reading increment)

    invoked from within

"incr x 1a"}}

test incr-old-2.6 {incr errors} {

    proc readonly args {error "variable is read-only"}

    set x 123

    trace var x w readonly

    list [catch {incr x 1} msg] $msg $errorInfo

} {1 {can't set "x": variable is read-only} {can't set "x": variable is read-only

    while executing

"incr x 1"}}

catch {unset x}

test incr-old-2.7 {incr errors} {

    set x -

    list [catch {incr x 1} msg] $msg

} {1 {expected integer but got "-"}}

test incr-old-2.8 {incr errors} {

    set x {  -  }

    list [catch {incr x 1} msg] $msg

} {1 {expected integer but got "  -  "}}

test incr-old-2.9 {incr errors} {

    set x +

    list [catch {incr x 1} msg] $msg

} {1 {expected integer but got "+"}}

test incr-old-2.10 {incr errors} {

    set x {20 x}

    list [catch {incr x 1} msg] $msg

} {1 {expected integer but got "20 x"}}

# cleanup

::tcltest::cleanupTests

return