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Diffstat (limited to 'tests/rename.test')
| -rw-r--r-- | tests/rename.test | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/tests/rename.test b/tests/rename.test new file mode 100644 index 0000000..05f5938 --- /dev/null +++ b/tests/rename.test @@ -0,0 +1,172 @@ +# 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. +# +# See the file "license.terms" for information on usage and redistribution +# of this file, and for a DISCLAIMER OF ALL WARRANTIES. +# +# SCCS: @(#) rename.test 1.20 97/06/24 17:26:23 + +if {[string compare test [info procs test]] == 1} then {source defs} + +# 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} + +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 $env(value) + } {0 {} deleted} +} + +# Save the unknown procedure which is modified by the following test. + +catch {rename unknown unknown.old} + +test rename-5.1 {repeated rename deletion and redefinition of same command} { + set SAVED_UNKNOWN "proc unknown " + append SAVED_UNKNOWN "\{[info args unknown.old]\} " + append SAVED_UNKNOWN "\{[info body unknown.old]\}" + + for {set i 0} {$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 +} {called "incr" with too many arguments} + +catch {rename incr {}} +catch {rename incr.old incr} + +# Make the file return an empty string (cleaner.). + +set x "" + |