447 lines
11 KiB
Plaintext
447 lines
11 KiB
Plaintext
# 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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# Copyright (c) 1998-1999 by Scriptics Corporation.
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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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if {[lsearch [namespace children] ::tcltest] == -1} {
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package require tcltest 2
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namespace import -force ::tcltest::*
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}
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catch {unset x}
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test appendComp-1.1 {append command} {
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catch {unset x}
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proc foo {} {append ::x 1 2 abc "long string"}
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list [foo] $x
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} {{12abclong string} {12abclong string}}
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test appendComp-1.2 {append command} {
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proc foo {} {
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set x ""
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list [append x first] [append x second] [append x third] $x
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}
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foo
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} {first firstsecond firstsecondthird firstsecondthird}
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test appendComp-1.3 {append command} {
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proc foo {} {
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set x "abcd"
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append x
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}
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foo
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} abcd
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test appendComp-2.1 {long appends} {
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proc foo {} {
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set x ""
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for {set i 0} {$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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}
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foo
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} 1
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test appendComp-3.1 {append errors} {
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proc foo {} {append}
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list [catch {foo} msg] $msg
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} {1 {wrong # args: should be "append varName ?value value ...?"}}
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test appendComp-3.2 {append errors} {
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proc foo {} {
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set x ""
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append x(0) 44
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}
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list [catch {foo} msg] $msg
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} {1 {can't set "x(0)": variable isn't array}}
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test appendComp-3.3 {append errors} {
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proc foo {} {
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catch {unset x}
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append x
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}
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list [catch {foo} msg] $msg
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} {1 {can't read "x": no such variable}}
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test appendComp-4.1 {lappend command} {
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proc foo {} {
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global x
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catch {unset x}
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lappend x 1 2 abc "long string"
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}
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list [foo] $x
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} {{1 2 abc {long string}} {1 2 abc {long string}}}
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test appendComp-4.2 {lappend command} {
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proc foo {} {
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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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}
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foo
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} {first {first second} {first second third} {first second third}}
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test appendComp-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 appendComp-4.4 {lappend command} {
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proc foo {} {
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set x {}
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lappend x \{\ abc
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}
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foo
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} {\{\ abc}
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test appendComp-4.5 {lappend command} {
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proc foo {} {
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set x {}
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lappend x \{ abc
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}
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foo
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} {\{ abc}
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test appendComp-4.6 {lappend command} {
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proc foo {} {
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set x {1 2 3}
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lappend x
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}
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foo
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} {1 2 3}
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test appendComp-4.7 {lappend command} {
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proc foo {} {
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set x "a\{"
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lappend x abc
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}
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foo
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} "a\\\{ abc"
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test appendComp-4.8 {lappend command} {
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proc foo {} {
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set x "\\\{"
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lappend x abc
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}
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foo
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} "\\{ abc"
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test appendComp-4.9 {lappend command} {
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proc foo {} {
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set x " \{"
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list [catch {lappend x abc} msg] $msg
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}
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foo
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} {1 {unmatched open brace in list}}
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test appendComp-4.10 {lappend command} {
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proc foo {} {
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set x " \{"
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list [catch {lappend x abc} msg] $msg
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}
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foo
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} {1 {unmatched open brace in list}}
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test appendComp-4.11 {lappend command} {
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proc foo {} {
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set x "\{\{\{"
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list [catch {lappend x abc} msg] $msg
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}
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foo
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} {1 {unmatched open brace in list}}
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test appendComp-4.12 {lappend command} {
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proc foo {} {
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set x "x \{\{\{"
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list [catch {lappend x abc} msg] $msg
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}
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foo
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} {1 {unmatched open brace in list}}
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test appendComp-4.13 {lappend command} {
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proc foo {} {
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set x "x\{\{\{"
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lappend x abc
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}
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foo
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} "x\\\{\\\{\\\{ abc"
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test appendComp-4.14 {lappend command} {
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proc foo {} {
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set x " "
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lappend x abc
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}
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foo
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} "abc"
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test appendComp-4.15 {lappend command} {
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proc foo {} {
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set x "\\ "
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lappend x abc
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}
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foo
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} "{ } abc"
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test appendComp-4.16 {lappend command} {
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proc foo {} {
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set x "x "
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lappend x abc
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}
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foo
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} "x abc"
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test appendComp-4.17 {lappend command} {
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proc foo {} { lappend x }
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foo
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} {}
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test appendComp-4.18 {lappend command} {
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proc foo {} { lappend x {} }
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foo
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} {{}}
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test appendComp-4.19 {lappend command} {
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proc foo {} { lappend x(0) }
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foo
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} {}
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test appendComp-4.20 {lappend command} {
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proc foo {} { lappend x(0) abc }
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foo
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} {abc}
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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 appendComp-5.1 {long lappends} {
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catch {unset x}
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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 appendComp-6.1 {lappend errors} {
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proc foo {} {lappend}
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list [catch {foo} msg] $msg
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} {1 {wrong # args: should be "lappend varName ?value value ...?"}}
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test appendComp-6.2 {lappend errors} {
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proc foo {} {
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set x ""
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lappend x(0) 44
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}
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list [catch {foo} msg] $msg
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} {1 {can't set "x(0)": variable isn't array}}
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test appendComp-7.1 {lappendComp-created var and error in trace on that var} {
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proc bar {} {
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global x
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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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}
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bar
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} {0 1 {can't read "x": no such variable}}
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test appendComp-7.2 {lappend var triggers read trace, index var} {bug-3057639} {
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proc bar {} {
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catch {unset myvar}
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catch {unset ::result}
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trace variable myvar r foo
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proc foo {args} {append ::result $args}
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lappend myvar a
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list [catch {set ::result} msg] $msg
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}
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bar
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} {0 {myvar {} r}}
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test appendComp-7.3 {lappend var triggers read trace, stack var} {bug-3057639} {
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proc bar {} {
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catch {unset ::myvar}
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catch {unset ::result}
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trace variable ::myvar r foo
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proc foo {args} {append ::result $args}
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lappend ::myvar a
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list [catch {set ::result} msg] $msg
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}
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bar
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} {0 {::myvar {} r}}
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test appendComp-7.4 {lappend var triggers read trace, array var} {bug-3057639} {
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# The behavior of read triggers on lappend changed in 8.0 to
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# not trigger them. Maybe not correct, but been there a while.
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proc bar {} {
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catch {unset myvar}
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catch {unset ::result}
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trace variable myvar r foo
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proc foo {args} {append ::result $args}
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lappend myvar(b) a
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list [catch {set ::result} msg] $msg
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}
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bar
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} {0 {myvar b r}}
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test appendComp-7.5 {lappend var triggers read trace, array var} {
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# The behavior of read triggers on lappend changed in 8.0 to
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# not trigger them. Maybe not correct, but been there a while.
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proc bar {} {
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catch {unset myvar}
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catch {unset ::result}
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trace variable myvar r foo
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proc foo {args} {append ::result $args}
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lappend myvar(b) a b
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list [catch {set ::result} msg] $msg
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}
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bar
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} {0 {myvar b r}}
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test appendComp-7.6 {lappend var triggers read trace, array var exists} {bug-3057639} {
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proc bar {} {
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catch {unset myvar}
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catch {unset ::result}
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set myvar(0) 1
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trace variable myvar r foo
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proc foo {args} {append ::result $args}
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lappend myvar(b) a
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list [catch {set ::result} msg] $msg
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}
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bar
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} {0 {myvar b r}}
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test appendComp-7.7 {lappend var triggers read trace, array stack var} {bug-3057639} {
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proc bar {} {
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catch {unset ::myvar}
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catch {unset ::result}
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trace variable ::myvar r foo
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proc foo {args} {append ::result $args}
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lappend ::myvar(b) a
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list [catch {set ::result} msg] $msg
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}
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bar
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} {0 {::myvar b r}}
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test appendComp-7.8 {lappend var triggers read trace, array stack var} {
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proc bar {} {
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catch {unset ::myvar}
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catch {unset ::result}
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trace variable ::myvar r foo
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proc foo {args} {append ::result $args}
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lappend ::myvar(b) a b
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list [catch {set ::result} msg] $msg
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}
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bar
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} {0 {::myvar b r}}
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test appendComp-7.9 {append var does not trigger read trace} {
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proc bar {} {
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catch {unset myvar}
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catch {unset ::result}
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trace variable myvar r foo
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proc foo {args} {append ::result $args}
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append myvar a
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info exists ::result
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}
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bar
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} {0}
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test appendComp-8.1 {defer error to runtime} -setup {
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interp create slave
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} -body {
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slave eval {
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proc foo {} {
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proc append args {}
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append
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}
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foo
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}
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} -cleanup {
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interp delete slave
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} -result {}
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# New tests for bug 3057639 to show off the more consistent behaviour
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# of lappend in both direct-eval and bytecompiled code paths (see
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# append.test for the direct-eval variants). lappend now behaves like
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# append. 9.0/1 lappend - 9.2/3 append.
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# Note also the tests above now constrained by bug-3057639, these
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# changed behaviour with the triggering of read traces in bc mode
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# gone.
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# Going back to the tests below. The direct-eval tests are ok before
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# and after patch (no read traces run for lappend, append). The
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# compiled tests are failing for lappend (9.0/1) before the patch,
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# showing how it invokes read traces in the compiled path. The append
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# tests are good (9.2/3). After the patch the failues are gone.
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test appendComp-9.0 {bug 3057639, lappend compiled, read trace on non-existing array variable element} {
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catch {unset myvar}
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array set myvar {}
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proc nonull {var key val} {
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upvar 1 $var lvar
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if {![info exists lvar($key)]} {
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return -code error "BOOM. no such variable"
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}
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}
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trace add variable myvar read nonull
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proc foo {} {
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lappend ::myvar(key) "new value"
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}
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list [catch { foo } msg] $msg
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} {0 {{new value}}}
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test appendComp-9.1 {bug 3057639, lappend direct eval, read trace on non-existing env element} {
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catch {unset ::env(__DUMMY__)}
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proc foo {} {
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lappend ::env(__DUMMY__) "new value"
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}
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list [catch { foo } msg] $msg
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} {0 {{new value}}}
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test appendComp-9.2 {bug 3057639, append compiled, read trace on non-existing array variable element} {
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catch {unset myvar}
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array set myvar {}
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proc nonull {var key val} {
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upvar 1 $var lvar
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if {![info exists lvar($key)]} {
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return -code error "BOOM. no such variable"
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}
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}
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trace add variable myvar read nonull
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proc foo {} {
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append ::myvar(key) "new value"
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}
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list [catch { foo } msg] $msg
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} {0 {new value}}
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test appendComp-9.3 {bug 3057639, append direct eval, read trace on non-existing env element} {
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catch {unset ::env(__DUMMY__)}
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proc foo {} {
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append ::env(__DUMMY__) "new value"
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}
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list [catch { foo } msg] $msg
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} {0 {new value}}
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catch {unset i x result y}
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catch {rename foo ""}
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catch {rename bar ""}
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catch {rename check ""}
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catch {rename bar {}}
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# cleanup
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::tcltest::cleanupTests
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return
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