sl@0: # Commands covered:  append lappend
sl@0: #
sl@0: # This file contains a collection of tests for one or more of the Tcl
sl@0: # built-in commands.  Sourcing this file into Tcl runs the tests and
sl@0: # generates output for errors.  No output means no errors were found.
sl@0: #
sl@0: # Copyright (c) 1991-1993 The Regents of the University of California.
sl@0: # Copyright (c) 1994-1996 Sun Microsystems, Inc.
sl@0: # Copyright (c) 1998-1999 by Scriptics Corporation.
sl@0: #
sl@0: # See the file "license.terms" for information on usage and redistribution
sl@0: # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0: #
sl@0: # RCS: @(#) $Id: append.test,v 1.7.12.1 2006/10/05 11:44:04 msofer Exp $
sl@0: 
sl@0: if {[lsearch [namespace children] ::tcltest] == -1} {
sl@0:     package require tcltest
sl@0:     namespace import -force ::tcltest::*
sl@0: }
sl@0: catch {unset x}
sl@0: 
sl@0: test append-1.1 {append command} {
sl@0:     catch {unset x}
sl@0:     list [append x 1 2 abc "long string"] $x
sl@0: } {{12abclong string} {12abclong string}}
sl@0: test append-1.2 {append command} {
sl@0:     set x ""
sl@0:     list [append x first] [append x second] [append x third] $x
sl@0: } {first firstsecond firstsecondthird firstsecondthird}
sl@0: test append-1.3 {append command} {
sl@0:     set x "abcd"
sl@0:     append x
sl@0: } abcd
sl@0: 
sl@0: test append-2.1 {long appends} {
sl@0:     set x ""
sl@0:     for {set i 0} {$i < 1000} {set i [expr $i+1]} {
sl@0: 	append x "foobar "
sl@0:     }
sl@0:     set y "foobar"
sl@0:     set y "$y $y $y $y $y $y $y $y $y $y"
sl@0:     set y "$y $y $y $y $y $y $y $y $y $y"
sl@0:     set y "$y $y $y $y $y $y $y $y $y $y "
sl@0:     expr {$x == $y}
sl@0: } 1
sl@0: 
sl@0: test append-3.1 {append errors} {
sl@0:     list [catch {append} msg] $msg
sl@0: } {1 {wrong # args: should be "append varName ?value value ...?"}}
sl@0: test append-3.2 {append errors} {
sl@0:     set x ""
sl@0:     list [catch {append x(0) 44} msg] $msg
sl@0: } {1 {can't set "x(0)": variable isn't array}}
sl@0: test append-3.3 {append errors} {
sl@0:     catch {unset x}
sl@0:     list [catch {append x} msg] $msg
sl@0: } {1 {can't read "x": no such variable}}
sl@0: 
sl@0: test append-4.1 {lappend command} {
sl@0:     catch {unset x}
sl@0:     list [lappend x 1 2 abc "long string"] $x
sl@0: } {{1 2 abc {long string}} {1 2 abc {long string}}}
sl@0: test append-4.2 {lappend command} {
sl@0:     set x ""
sl@0:     list [lappend x first] [lappend x second] [lappend x third] $x
sl@0: } {first {first second} {first second third} {first second third}}
sl@0: test append-4.3 {lappend command} {
sl@0:     proc foo {} {
sl@0: 	global x
sl@0: 	set x old
sl@0: 	unset x
sl@0: 	lappend x new
sl@0:     }
sl@0:     set result [foo]
sl@0:     rename foo {}
sl@0:     set result
sl@0: } {new}
sl@0: test append-4.4 {lappend command} {
sl@0:     set x {}
sl@0:     lappend x \{\  abc
sl@0: } {\{\  abc}
sl@0: test append-4.5 {lappend command} {
sl@0:     set x {}
sl@0:     lappend x \{ abc
sl@0: } {\{ abc}
sl@0: test append-4.6 {lappend command} {
sl@0:     set x {1 2 3}
sl@0:     lappend x
sl@0: } {1 2 3}
sl@0: test append-4.7 {lappend command} {
sl@0:     set x "a\{"
sl@0:     lappend x abc
sl@0: } "a\\\{ abc"
sl@0: test append-4.8 {lappend command} {
sl@0:     set x "\\\{"
sl@0:     lappend x abc
sl@0: } "\\{ abc"
sl@0: test append-4.9 {lappend command} {
sl@0:     set x " \{"
sl@0:     list [catch {lappend x abc} msg] $msg
sl@0: } {1 {unmatched open brace in list}}
sl@0: test append-4.10 {lappend command} {
sl@0:     set x "	\{"
sl@0:     list [catch {lappend x abc} msg] $msg
sl@0: } {1 {unmatched open brace in list}}
sl@0: test append-4.11 {lappend command} {
sl@0:     set x "\{\{\{"
sl@0:     list [catch {lappend x abc} msg] $msg
sl@0: } {1 {unmatched open brace in list}}
sl@0: test append-4.12 {lappend command} {
sl@0:     set x "x \{\{\{"
sl@0:     list [catch {lappend x abc} msg] $msg
sl@0: } {1 {unmatched open brace in list}}
sl@0: test append-4.13 {lappend command} {
sl@0:     set x "x\{\{\{"
sl@0:     lappend x abc
sl@0: } "x\\\{\\\{\\\{ abc"
sl@0: test append-4.14 {lappend command} {
sl@0:     set x " "
sl@0:     lappend x abc
sl@0: } "abc"
sl@0: test append-4.15 {lappend command} {
sl@0:     set x "\\ "
sl@0:     lappend x abc
sl@0: } "{ } abc"
sl@0: test append-4.16 {lappend command} {
sl@0:     set x "x "
sl@0:     lappend x abc
sl@0: } "x abc"
sl@0: test append-4.17 {lappend command} {
sl@0:     catch {unset x}
sl@0:     lappend x
sl@0: } {}
sl@0: test append-4.18 {lappend command} {
sl@0:     catch {unset x}
sl@0:     lappend x {}
sl@0: } {{}}
sl@0: test append-4.19 {lappend command} {
sl@0:     catch {unset x}
sl@0:     lappend x(0)
sl@0: } {}
sl@0: test append-4.20 {lappend command} {
sl@0:     catch {unset x}
sl@0:     lappend x(0) abc
sl@0: } {abc}
sl@0: unset x
sl@0: test append-4.21 {lappend command} {
sl@0:     set x \"
sl@0:     list [catch {lappend x} msg] $msg
sl@0: } {1 {unmatched open quote in list}}
sl@0: test append-4.22 {lappend command} {
sl@0:     set x \"
sl@0:     list [catch {lappend x abc} msg] $msg
sl@0: } {1 {unmatched open quote in list}}
sl@0: 
sl@0: proc check {var size} {
sl@0:     set l [llength $var]
sl@0:     if {$l != $size} {
sl@0: 	return "length mismatch: should have been $size, was $l"
sl@0:     }
sl@0:     for {set i 0} {$i < $size} {set i [expr $i+1]} {
sl@0: 	set j [lindex $var $i]
sl@0: 	if {$j != "item $i"} {
sl@0: 	    return "element $i should have been \"item $i\", was \"$j\""
sl@0: 	}
sl@0:     }
sl@0:     return ok
sl@0: }
sl@0: test append-5.1 {long lappends} {
sl@0:     catch {unset x}
sl@0:     set x ""
sl@0:     for {set i 0} {$i < 300} {set i [expr $i+1]} {
sl@0: 	lappend x "item $i"
sl@0:     }
sl@0:     check $x 300
sl@0: } ok
sl@0: 
sl@0: test append-6.1 {lappend errors} {
sl@0:     list [catch {lappend} msg] $msg
sl@0: } {1 {wrong # args: should be "lappend varName ?value value ...?"}}
sl@0: test append-6.2 {lappend errors} {
sl@0:     set x ""
sl@0:     list [catch {lappend x(0) 44} msg] $msg
sl@0: } {1 {can't set "x(0)": variable isn't array}}
sl@0: 
sl@0: test append-7.1 {lappend-created var and error in trace on that var} {
sl@0:     catch {rename foo ""}
sl@0:     catch {unset x}
sl@0:     trace variable x w foo
sl@0:     proc foo {} {global x; unset x}
sl@0:     catch {lappend x 1}
sl@0:     proc foo {args} {global x; unset x}
sl@0:     info exists x
sl@0:     set x
sl@0:     lappend x 1
sl@0:     list [info exists x] [catch {set x} msg] $msg
sl@0: } {0 1 {can't read "x": no such variable}}
sl@0: test append-7.2 {lappend var triggers read trace} {
sl@0:     catch {unset myvar}
sl@0:     catch {unset ::result}
sl@0:     trace variable myvar r foo
sl@0:     proc foo {args} {append ::result $args}
sl@0:     lappend myvar a
sl@0:     list [catch {set ::result} msg] $msg
sl@0: } {0 {myvar {} r}}
sl@0: test append-7.3 {lappend var triggers read trace, array var} {
sl@0:     # The behavior of read triggers on lappend changed in 8.0 to
sl@0:     # not trigger them, and was changed back in 8.4.
sl@0:     catch {unset myvar}
sl@0:     catch {unset ::result}
sl@0:     trace variable myvar r foo
sl@0:     proc foo {args} {append ::result $args}
sl@0:     lappend myvar(b) a
sl@0:     list [catch {set ::result} msg] $msg
sl@0: } {0 {myvar b r}}
sl@0: test append-7.4 {lappend var triggers read trace, array var exists} {
sl@0:     catch {unset myvar}
sl@0:     catch {unset ::result}
sl@0:     set myvar(0) 1
sl@0:     trace variable myvar r foo
sl@0:     proc foo {args} {append ::result $args}
sl@0:     lappend myvar(b) a
sl@0:     list [catch {set ::result} msg] $msg
sl@0: } {0 {myvar b r}}
sl@0: test append-7.5 {append var does not trigger read trace} {
sl@0:     catch {unset myvar}
sl@0:     catch {unset ::result}
sl@0:     trace variable myvar r foo
sl@0:     proc foo {args} {append ::result $args}
sl@0:     append myvar a
sl@0:     info exists ::result
sl@0: } {0}
sl@0: 
sl@0: 
sl@0: catch {unset i x result y}
sl@0: catch {rename foo ""}
sl@0: catch {rename check ""}
sl@0: 
sl@0: # cleanup
sl@0: ::tcltest::cleanupTests
sl@0: return