193 lines
5.8 KiB
Plaintext
193 lines
5.8 KiB
Plaintext
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# Commands covered: rename
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#
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# This file contains a collection of tests for one or more of the Tcl built-in
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# commands. Sourcing this file into Tcl runs the tests and generates output
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# 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 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 of
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# this file, and for a DISCLAIMER OF ALL WARRANTIES.
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if {"::tcltest" ni [namespace children]} {
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package require tcltest 2.5
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namespace import -force ::tcltest::*
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}
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::tcltest::loadTestedCommands
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catch [list package require -exact Tcltest [info patchlevel]]
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testConstraint testdel [llength [info commands testdel]]
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# Must eliminate the "unknown" command while the test is running, especially
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# if the test is being run in a program with its own special-purpose unknown
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# command.
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catch {rename unknown unknown.old}
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catch {rename r2 {}}
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proc r1 {} {return "procedure r1"}
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rename r1 r2
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test rename-1.1 {simple renaming} {
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r2
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} {procedure r1}
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test rename-1.2 {simple renaming} {
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list [catch r1 msg] $msg
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} {1 {invalid command name "r1"}}
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rename r2 {}
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test rename-1.3 {simple renaming} {
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list [catch r2 msg] $msg
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} {1 {invalid command name "r2"}}
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# The test below is tricky because it renames a built-in command. It's
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# possible that the test procedure uses this command, so must restore the
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# command before calling test again.
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rename list l.new
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set a [catch list msg1]
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set b [l.new a b c]
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rename l.new list
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set c [catch l.new msg2]
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set d [list 111 222]
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test rename-2.1 {renaming built-in command} {
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list $a $msg1 $b $c $msg2 $d
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} {1 {invalid command name "list"} {a b c} 1 {invalid command name "l.new"} {111 222}}
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test rename-3.1 {error conditions} {
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list [catch {rename r1} msg] $msg $errorCode
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} {1 {wrong # args: should be "rename oldName newName"} {TCL WRONGARGS}}
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test rename-3.2 {error conditions} {
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list [catch {rename r1 r2 r3} msg] $msg $errorCode
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} {1 {wrong # args: should be "rename oldName newName"} {TCL WRONGARGS}}
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test rename-3.3 {error conditions} -setup {
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proc r1 {} {}
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proc r2 {} {}
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} -returnCodes error -body {
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rename r1 r2
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} -result {can't rename to "r2": command already exists}
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test rename-3.4 {error conditions} -setup {
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catch {rename r1 {}}
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catch {rename r2 {}}
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} -returnCodes error -body {
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rename r1 r2
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} -result {can't rename "r1": command doesn't exist}
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test rename-3.5 {error conditions} -setup {
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catch {rename _non_existent_command {}}
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} -returnCodes error -body {
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rename _non_existent_command {}
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} -result {can't delete "_non_existent_command": command doesn't exist}
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catch {rename unknown {}}
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catch {rename unknown.old unknown}
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catch {rename bar {}}
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test rename-4.1 {reentrancy issues with command deletion and renaming} testdel {
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set x {}
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testdel {} foo {lappend x deleted; rename bar {}; lappend x [info command bar]}
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rename foo bar
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lappend x |
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rename bar {}
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set x
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} {| deleted {}}
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test rename-4.2 {reentrancy issues with command deletion and renaming} testdel {
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set x {}
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testdel {} foo {lappend x deleted; rename foo bar}
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rename foo {}
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set x
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} {deleted}
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test rename-4.3 {reentrancy issues with command deletion and renaming} testdel {
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set x {}
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testdel {} foo {lappend x deleted; testdel {} foo {lappend x deleted2}}
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rename foo {}
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lappend x |
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rename foo {}
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set x
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} {deleted | deleted2}
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test rename-4.4 {reentrancy issues with command deletion and renaming} testdel {
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set x {}
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testdel {} foo {lappend x deleted; rename foo bar}
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rename foo {}
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lappend x | [info command bar]
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} {deleted | {}}
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test rename-4.5 {reentrancy issues with command deletion and renaming} testdel {
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set env(value) before
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interp create foo
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testdel foo cmd {set env(value) deleted}
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interp delete foo
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set env(value)
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} {deleted}
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test rename-4.6 {reentrancy issues with command deletion and renaming} testdel {
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proc kill args {
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interp delete foo
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}
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set env(value) before
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interp create foo
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foo alias kill kill
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testdel foo cmd {set env(value) deleted; kill}
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list [catch {foo eval {rename cmd {}}} msg] $msg $env(value)
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} {0 {} deleted}
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test rename-4.7 {reentrancy issues with command deletion and renaming} testdel {
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proc kill args {
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interp delete foo
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}
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set env(value) before
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interp create foo
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foo alias kill kill
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testdel foo cmd {set env(value) deleted; kill}
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list [catch {interp delete foo} msg] $msg $env(value)
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} {0 {} deleted}
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if {[info exists env(value)]} {
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unset env(value)
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}
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test rename-4.8 {Bug a16752c252} testdel {
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set x broken
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testdel {} foo {set x ok}
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proc foo args {}
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rename foo {}
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return -level 0 $x[unset x]
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} ok
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# Save the unknown procedure which is modified by the following test.
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catch {rename unknown unknown.old}
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set SAVED_UNKNOWN "proc unknown "
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append SAVED_UNKNOWN [list [info args unknown.old] [info body unknown.old]]
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test rename-5.1 {repeated rename deletion and redefinition of same command} {
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for {set i 0} {$i < 10} {incr i} {
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eval $SAVED_UNKNOWN
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tcl_wordBreakBefore "" 0
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rename tcl_wordBreakBefore {}
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rename unknown {}
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}
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} {}
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catch {rename unknown {}}
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catch {rename unknown.old unknown}
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test rename-6.1 {old code invalidated (epoch incremented) when cmd with compile proc is renamed} -body {
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proc x {} {
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set a 123
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set b [incr a]
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}
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x
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rename incr incr.old
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proc incr {} {puts "new incr called!"}
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x
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} -cleanup {
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rename incr {}
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rename incr.old incr
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} -returnCodes error -result {wrong # args: should be "incr"}
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if {[info commands incr.old] != {}} {
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catch {rename incr {}}
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catch {rename incr.old incr}
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}
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::tcltest::cleanupTests
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return
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# Local Variables:
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# mode: tcl
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# End:
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