for-old.test

tcl是工具命令语言

# Commands covered:  for, continue, break
#
# This file contains the original set of tests for Tcl's for command.
# Since the for command is now compiled, a new set of tests covering
# the new implementation is in the file "for.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.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: for-old.test,v 1.5 2000/04/10 17:18:59 ericm Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest
    namespace import -force ::tcltest::*
}

# Check "for" and its use of continue and break.

catch {unset a i}
test for-old-1.1 {for tests} {
    set a {}
    for {set i 1} {$i<6} {set i [expr $i+1]} {
	set a [concat $a $i]
    }
    set a
} {1 2 3 4 5}
test for-old-1.2 {for tests} {
    set a {}
    for {set i 1} {$i<6} {set i [expr $i+1]} {
	if $i==4 continue
	set a [concat $a $i]
    }
    set a
} {1 2 3 5}
test for-old-1.3 {for tests} {
    set a {}
    for {set i 1} {$i<6} {set i [expr $i+1]} {
	if $i==4 break
	set a [concat $a $i]
    }
    set a
} {1 2 3}
test for-old-1.4 {for tests} {catch {for 1 2 3} msg} 1
test for-old-1.5 {for tests} {
    catch {for 1 2 3} msg
    set msg
} {wrong # args: should be "for start test next command"}
test for-old-1.6 {for tests} {catch {for 1 2 3 4 5} msg} 1
test for-old-1.7 {for tests} {
    catch {for 1 2 3 4 5} msg
    set msg
} {wrong # args: should be "for start test next command"}
test for-old-1.8 {for tests} {
    set a {xyz}
    for {set i 1} {$i<6} {set i [expr $i+1]} {}
    set a
} xyz
test for-old-1.9 {for tests} {
    set a {}
    for {set i 1} {$i<6} {set i [expr $i+1]; if $i==4 break} {
	set a [concat $a $i]
    }
    set a
} {1 2 3}

# cleanup
::tcltest::cleanupTests
return