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# Commands covered: while
#
# This file contains the original set of tests for Tcl's while command.
# Since the while command is now compiled, a new set of tests covering
# the new implementation is in the file "while.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: @(#) $Id$
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import -force ::tcltest::*
}
test while-old-1.1 {basic while loops} {
set count 0
while {$count < 10} {set count [expr $count+1]}
set count
} 10
test while-old-1.2 {basic while loops} {
set value xxx
while {2 > 3} {set value yyy}
set value
} xxx
test while-old-1.3 {basic while loops} {
set value 1
while {"true"} {
incr value;
if {$value > 5} {
break;
}
}
set value
} 6
test while-old-1.4 {basic while loops, multiline test expr} {
set value 1
while {($tcl_platform(platform) != "foobar1") && \
($tcl_platform(platform) != "foobar2")} {
incr value
break
}
set value
} {2}
test while-old-1.5 {basic while loops, test expr in quotes} {
set value 1
while "0 < 3" {set value 2; break}
set value
} {2}
test while-old-2.1 {continue in while loop} {
set list {1 2 3 4 5}
set index 0
set result {}
while {$index < 5} {
if {$index == 2} {set index [expr $index+1]; continue}
set result [concat $result [lindex $list $index]]
set index [expr $index+1]
}
set result
} {1 2 4 5}
test while-old-3.1 {break in while loop} {
set list {1 2 3 4 5}
set index 0
set result {}
while {$index < 5} {
if {$index == 3} break
set result [concat $result [lindex $list $index]]
set index [expr $index+1]
}
set result
} {1 2 3}
test while-old-4.1 {errors in while loops} {
set err [catch {while} msg]
list $err $msg
} {1 {wrong # args: should be "while test command"}}
test while-old-4.2 {errors in while loops} {
set err [catch {while 1} msg]
list $err $msg
} {1 {wrong # args: should be "while test command"}}
test while-old-4.3 {errors in while loops} {
set err [catch {while 1 2 3} msg]
list $err $msg
} {1 {wrong # args: should be "while test command"}}
test while-old-4.4 {errors in while loops} {
set err [catch {while {"a"+"b"} {error "loop aborted"}} msg]
list $err $msg
} {1 {can't use non-numeric string as operand of "+"}}
test while-old-4.5 {errors in while loops} {
catch {unset x}
set x 1
set err [catch {while {$x} {set x foo}} msg]
list $err $msg
} {1 {expected boolean value but got "foo"}}
test while-old-4.6 {errors in while loops} {
set err [catch {while {1} {error "loop aborted"}} msg]
list $err $msg $errorInfo
} {1 {loop aborted} {loop aborted
while executing
"error "loop aborted""}}
test while-old-5.1 {while return result} {
while {0} {set a 400}
} {}
test while-old-5.2 {while return result} {
set x 1
while {$x} {set x 0}
} {}
# cleanup
::tcltest::cleanupTests
return
|
