# Commands covered: rename # # 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. # Copyright (c) 1998-1999 by Scriptics Corporation. # # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # # RCS: @(#) $Id: rename.test,v 1.1.1.1 2007/07/10 15:04:24 duncan Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest namespace import -force ::tcltest::* } # Must eliminate the "unknown" command while the test is running, # especially if the test is being run in a program with its # own special-purpose unknown command. catch {rename unknown unknown.old} catch {rename r2 {}} proc r1 {} {return "procedure r1"} rename r1 r2 test rename-1.1 {simple renaming} { r2 } {procedure r1} test rename-1.2 {simple renaming} { list [catch r1 msg] $msg } {1 {invalid command name "r1"}} rename r2 {} test rename-1.3 {simple renaming} { list [catch r2 msg] $msg } {1 {invalid command name "r2"}} # The test below is tricky because it renames a built-in command. # It's possible that the test procedure uses this command, so must # restore the command before calling test again. rename list l.new set a [catch list msg1] set b [l.new a b c] rename l.new list set c [catch l.new msg2] set d [list 111 222] test rename-2.1 {renaming built-in command} { list $a $msg1 $b $c $msg2 $d } {1 {invalid command name "list"} {a b c} 1 {invalid command name "l.new"} {111 222}} test rename-3.1 {error conditions} { list [catch {rename r1} msg] $msg $errorCode } {1 {wrong # args: should be "rename oldName newName"} NONE} test rename-3.2 {error conditions} { list [catch {rename r1 r2 r3} msg] $msg $errorCode } {1 {wrong # args: should be "rename oldName newName"} NONE} test rename-3.3 {error conditions} { proc r1 {} {} proc r2 {} {} list [catch {rename r1 r2} msg] $msg } {1 {can't rename to "r2": command already exists}} test rename-3.4 {error conditions} { catch {rename r1 {}} catch {rename r2 {}} list [catch {rename r1 r2} msg] $msg } {1 {can't rename "r1": command doesn't exist}} test rename-3.5 {error conditions} { catch {rename _non_existent_command {}} list [catch {rename _non_existent_command {}} msg] $msg } {1 {can't delete "_non_existent_command": command doesn't exist}} catch {rename unknown {}} catch {rename unknown.old unknown} catch {rename bar {}} if {[info command testdel] == "testdel"} { test rename-4.1 {reentrancy issues with command deletion and renaming} { set x {} testdel {} foo {lappend x deleted; rename bar {}; lappend x [info command bar]} rename foo bar lappend x | rename bar {} set x } {| deleted {}} test rename-4.2 {reentrancy issues with command deletion and renaming} { set x {} testdel {} foo {lappend x deleted; rename foo bar} rename foo {} set x } {deleted} test rename-4.3 {reentrancy issues with command deletion and renaming} { set x {} testdel {} foo {lappend x deleted; testdel {} foo {lappend x deleted2}} rename foo {} lappend x | rename foo {} set x } {deleted | deleted2} test rename-4.4 {reentrancy issues with command deletion and renaming} { set x {} testdel {} foo {lappend x deleted; rename foo bar} rename foo {} lappend x | [info command bar] } {deleted | {}} test rename-4.5 {reentrancy issues with command deletion and renaming} { set env(value) before interp create foo testdel foo cmd {set env(value) deleted} interp delete foo set env(value) } {deleted} test rename-4.6 {reentrancy issues with command deletion and renaming} { proc kill args { interp delete foo } set env(value) before interp create foo foo alias kill kill testdel foo cmd {set env(value) deleted; kill} list [catch {foo eval {rename cmd {}}} msg] $msg $env(value) } {0 {} deleted} test rename-4.7 {reentrancy issues with command deletion and renaming} { proc kill args { interp delete foo } set env(value) before interp create foo foo alias kill kill testdel foo cmd {set env(value) deleted; kill} list [catch {interp delete foo} msg] $msg $env(value) } {0 {} deleted} if {[info exists env(value)]} { unset env(value) } } # Save the unknown procedure which is modified by the following test. catch {rename unknown unknown.old} test rename-5.1 {repeated rename deletion and redefinition of same command} { set SAVED_UNKNOWN "proc unknown " append SAVED_UNKNOWN "\{[info args unknown.old]\} " append SAVED_UNKNOWN "\{[info body unknown.old]\}" for {set i 0} {$i < 10} {incr i} { eval $SAVED_UNKNOWN tcl_wordBreakBefore "" 0 rename tcl_wordBreakBefore {} rename unknown {} } } {} catch {rename unknown {}} catch {rename unknown.old unknown} test rename-6.1 {old code invalidated (epoch incremented) when cmd with compile proc is renamed } { proc x {} { set a 123 set b [incr a] } x rename incr incr.old proc incr {} {puts "new incr called!"} catch {x} msg set msg } {wrong # args: should be "incr"} if {[info commands incr.old] != {}} { catch {rename incr {}} catch {rename incr.old incr} } ::tcltest::cleanupTests return