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Languguage OS 2
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Languguage OS II Version 10-94 (Knowledge Media)(1994).ISO
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dejagnu.lha
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dejagnu-1.0.1
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incr.test
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1992-11-06
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# Commands covered: lreplace
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
# Copyright 1991 Regents of the University of California
# Permission to use, copy, modify, and distribute this
# software and its documentation for any purpose and without
# fee is hereby granted, provided that this copyright notice
# appears in all copies. The University of California makes no
# representations about the suitability of this software for any
# purpose. It is provided "as is" without express or implied
# warranty.
#
# $Header: /sprite/src/lib/tcl/tests/RCS/incr.test,v 1.2 91/08/28 16:27:35 ouster Exp $ (Berkeley)
if {[string compare test [info procs test]] == 1} then {source defs}
catch {unset x}
test incr-1.1 {basic incr operation} {
set x 23
list [incr x] $x
} {24 24}
test incr-1.2 {basic incr operation} {
set x 106
list [incr x -5] $x
} {101 101}
test incr-2.1 {incr errors} {
list [catch incr msg] $msg
} {1 {wrong # args: should be "incr varName ?increment?"}}
test incr-2.2 {incr errors} {
list [catch {incr a b c} msg] $msg
} {1 {wrong # args: should be "incr varName ?increment?"}}
test incr-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
while executing
"incr x"}}
test incr-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"
(reading value of variable to increment)
invoked from within
"incr x"}}
test incr-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-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": access disallowed by trace command} {can't set "x": access disallowed by trace command
while executing
"incr x 1"}}
catch {unset x}
concat {}