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[/] [or1k/] [trunk/] [insight/] [tcl/] [tests/] [append.test] - Blame information for rev 1765

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1 578 markom 
# Commands covered:  append lappend
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#
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# This file contains a collection of tests for one or more of the Tcl
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# built-in commands.  Sourcing this file into Tcl runs the tests and
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# generates output for errors.  No output means no errors were found.
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#
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# Copyright (c) 1991-1993 The Regents of the University of California.
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# Copyright (c) 1994-1996 Sun Microsystems, Inc.
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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# RCS: @(#) $Id: append.test,v 1.1.1.1 2002-01-16 10:25:35 markom Exp $
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if {[string compare test [info procs test]] == 1} then {source defs}
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catch {unset x}
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test append-1.1 {append command} {
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    catch {unset x}
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    list [append x 1 2 abc "long string"] $x
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} {{12abclong string} {12abclong string}}
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test append-1.2 {append command} {
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    set x ""
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    list [append x first] [append x second] [append x third] $x
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} {first firstsecond firstsecondthird firstsecondthird}
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test append-1.3 {append command} {
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    set x "abcd"
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    append x
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} abcd
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test append-2.1 {long appends} {
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    set x ""
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    for {set i 0} {$i < 1000} {set i [expr $i+1]} {
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        append x "foobar "
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    }
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    set y "foobar"
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    set y "$y $y $y $y $y $y $y $y $y $y"
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    set y "$y $y $y $y $y $y $y $y $y $y"
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    set y "$y $y $y $y $y $y $y $y $y $y "
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    expr {$x == $y}
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} 1
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test append-3.1 {append errors} {
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    list [catch {append} msg] $msg
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} {1 {wrong # args: should be "append varName ?value value ...?"}}
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test append-3.2 {append errors} {
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    set x ""
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    list [catch {append x(0) 44} msg] $msg
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} {1 {can't set "x(0)": variable isn't array}}
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test append-3.3 {append errors} {
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    catch {unset x}
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    list [catch {append x} msg] $msg
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} {1 {can't read "x": no such variable}}
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test append-4.1 {lappend command} {
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    catch {unset x}
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    list [lappend x 1 2 abc "long string"] $x
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} {{1 2 abc {long string}} {1 2 abc {long string}}}
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test append-4.2 {lappend command} {
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    set x ""
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    list [lappend x first] [lappend x second] [lappend x third] $x
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} {first {first second} {first second third} {first second third}}
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test append-4.3 {lappend command} {
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    proc foo {} {
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        global x
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        set x old
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        unset x
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        lappend x new
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    }
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    set result [foo]
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    rename foo {}
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    set result
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} {new}
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test append-4.4 {lappend command} {
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    set x {}
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    lappend x \{\  abc
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} {\{\  abc}
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test append-4.5 {lappend command} {
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    set x {}
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    lappend x \{ abc
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} {\{ abc}
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test append-4.6 {lappend command} {
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    set x {1 2 3}
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    lappend x
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} {1 2 3}
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test append-4.7 {lappend command} {
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    set x "a\{"
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    lappend x abc
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} "a\\\{ abc"
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test append-4.8 {lappend command} {
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    set x "\\\{"
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    lappend x abc
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} "\\{ abc"
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test append-4.9 {lappend command} {
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    set x " \{"
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    list [catch {lappend x abc} msg] $msg
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} {1 {unmatched open brace in list}}
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test append-4.10 {lappend command} {
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    set x "     \{"
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    list [catch {lappend x abc} msg] $msg
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} {1 {unmatched open brace in list}}
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test append-4.11 {lappend command} {
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    set x "\{\{\{"
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    list [catch {lappend x abc} msg] $msg
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} {1 {unmatched open brace in list}}
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test append-4.12 {lappend command} {
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    set x "x \{\{\{"
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    list [catch {lappend x abc} msg] $msg
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} {1 {unmatched open brace in list}}
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test append-4.13 {lappend command} {
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    set x "x\{\{\{"
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    lappend x abc
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} "x\\\{\\\{\\\{ abc"
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test append-4.14 {lappend command} {
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    set x " "
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    lappend x abc
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} "abc"
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test append-4.15 {lappend command} {
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    set x "\\ "
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    lappend x abc
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} "{ } abc"
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test append-4.16 {lappend command} {
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    set x "x "
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    lappend x abc
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} "x abc"
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test append-4.17 {lappend command} {
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    catch {unset x}
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    lappend x
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} {}
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proc check {var size} {
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    set l [llength $var]
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    if {$l != $size} {
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        return "length mismatch: should have been $size, was $l"
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    }
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    for {set i 0} {$i < $size} {set i [expr $i+1]} {
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        set j [lindex $var $i]
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        if {$j != "item $i"} {
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            return "element $i should have been \"item $i\", was \"$j\""
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        }
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    }
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    return ok
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}
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test append-5.1 {long lappends} {
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    set x ""
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    for {set i 0} {$i < 300} {set i [expr $i+1]} {
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        lappend x "item $i"
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    }
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    check $x 300
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} ok
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test append-6.1 {lappend errors} {
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    list [catch {lappend} msg] $msg
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} {1 {wrong # args: should be "lappend varName ?value value ...?"}}
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test append-6.2 {lappend errors} {
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    set x ""
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    list [catch {lappend x(0) 44} msg] $msg
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} {1 {can't set "x(0)": variable isn't array}}
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test append-7.1 {lappend-created var and error in trace on that var} {
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    catch {rename foo ""}
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    catch {unset x}
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    trace variable x w foo
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    proc foo {} {global x; unset x}
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    catch {lappend x 1}
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    proc foo {args} {global x; unset x}
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    info exists x
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    set x
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    lappend x 1
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    list [info exists x] [catch {set x} msg] $msg
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} {0 1 {can't read "x": no such variable}}
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catch {unset x}
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catch {rename foo ""}

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