100 lines
2.7 KiB
Plaintext
100 lines
2.7 KiB
Plaintext
|
# Commands covered: while
|
||
|
|
#
|
||
|
|
# 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 (c) 1991-1993 The Regents of the University of California.
|
||
|
|
# Copyright (c) 1994 Sun Microsystems, Inc.
|
||
|
|
#
|
||
|
|
# See the file "license.terms" for information on usage and redistribution
|
||
|
|
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||
|
|
#
|
||
|
|
# SCCS: @(#) while.test 1.9 96/02/16 08:56:37
|
||
|
|
|
||
|
|
if {[string compare test [info procs test]] == 1} then {source defs}
|
||
|
|
|
||
|
|
test while-1.1 {basic while loops} {
|
||
|
|
set count 0
|
||
|
|
while {$count < 10} {set count [expr $count+1]}
|
||
|
|
set count
|
||
|
|
} 10
|
||
|
|
test while-1.2 {basic while loops} {
|
||
|
|
set value xxx
|
||
|
|
while {2 > 3} {set value yyy}
|
||
|
|
set value
|
||
|
|
} xxx
|
||
|
|
test while-1.3 {basic while loops} {
|
||
|
|
set value 1
|
||
|
|
while {"true"} {
|
||
|
|
incr value;
|
||
|
|
if {$value > 5} {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
set value
|
||
|
|
} 6
|
||
|
|
|
||
|
|
test while-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 $index+1]
|
||
|
|
}
|
||
|
|
set result
|
||
|
|
} {1 2 4 5}
|
||
|
|
|
||
|
|
test while-3.1 {break in while loop} {
|
||
|
|
set list {1 2 3 4 5}
|
||
|
|
set index 0
|
||
|
|
set result {}
|
||
|
|
while {$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-4.1 {errors in while loops} {
|
||
|
|
set err [catch {while} msg]
|
||
|
|
list $err $msg
|
||
|
|
} {1 {wrong # args: should be "while test command"}}
|
||
|
|
test while-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-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-4.4 {errors in while loops} {
|
||
|
|
set err [catch {while {"a"+"b"} {error "loop aborted"}} msg]
|
||
|
|
list $err $msg
|
||
|
|
} {1 {can't use non-numeric string as operand of "+"}}
|
||
|
|
test while-4.5 {errors in while loops} {
|
||
|
|
set x 1
|
||
|
|
set err [catch {while {$x} {set x foo}} msg]
|
||
|
|
list $err $msg
|
||
|
|
} {1 {expected boolean value but got "foo"}}
|
||
|
|
test while-4.6 {errors in while loops} {
|
||
|
|
set err [catch {while {1} {error "loop aborted"}} msg]
|
||
|
|
list $err $msg $errorInfo
|
||
|
|
} {1 {loop aborted} {loop aborted
|
||
|
|
while executing
|
||
|
|
"error "loop aborted""
|
||
|
|
("while" body line 1)
|
||
|
|
invoked from within
|
||
|
|
"while {1} {error "loop aborted"}"}}
|
||
|
|
|
||
|
|
test while-5.1 {while return result} {
|
||
|
|
while {0} {set a 400}
|
||
|
|
} {}
|
||
|
|
test while-5.2 {while return result} {
|
||
|
|
set x 1
|
||
|
|
while {$x} {set x 0}
|
||
|
|
} {}
|