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Text File | 1997-08-15 | 3.5 KB | 107 lines | [TEXT/ALFA] |
- # Commands covered: subst
- #
- # 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) 1994 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: @(#) subst.test 1.8 97/06/23 18:20:15
-
- if {[string compare test [info procs test]] == 1} then {source defs}
-
- test subst-1.1 {basics} {
- list [catch {subst} msg] $msg
- } {1 {wrong # args: should be "subst ?-nobackslashes? ?-nocommands? ?-novariables? string"}}
- test subst-1.2 {basics} {
- list [catch {subst a b c} msg] $msg
- } {1 {wrong # args: should be "subst ?-nobackslashes? ?-nocommands? ?-novariables? string"}}
-
- test subst-2.1 {simple strings} {
- subst {}
- } {}
- test subst-2.2 {simple strings} {
- subst a
- } a
- test subst-2.3 {simple strings} {
- subst abcdefg
- } abcdefg
-
- test subst-3.1 {backslash substitutions} {
- subst {\x\$x\[foo bar]\\}
- } "x\$x\[foo bar]\\"
-
- test subst-4.1 {variable substitutions} {
- set a 44
- subst {$a}
- } {44}
- test subst-4.2 {variable substitutions} {
- set a 44
- subst {x$a.y{$a}.z}
- } {x44.y{44}.z}
- test subst-4.3 {variable substitutions} {
- catch {unset a}
- set a(13) 82
- set i 13
- subst {x.$a($i)}
- } {x.82}
- catch {unset a}
- set long {This is a very long string, intentionally made so long that it
- will overflow the static character size for dstrings, so that
- additional memory will have to be allocated by subst. That way,
- if the subst procedure forgets to free up memory while returning
- an error, there will be memory that isn't freed (this will be
- detected when the tests are run under a checking memory allocator
- such as Purify).}
- test subst-4.4 {variable substitutions} {
- list [catch {subst {$long $a}} msg] $msg
- } {1 {can't read "a": no such variable}}
-
- test subst-5.1 {command substitutions} {
- subst {[concat {}]}
- } {}
- test subst-5.2 {command substitutions} {
- subst {[concat A test string]}
- } {A test string}
- test subst-5.3 {command substitutions} {
- subst {x.[concat foo].y.[concat bar].z}
- } {x.foo.y.bar.z}
- test subst-5.4 {command substitutions} {
- list [catch {subst {$long [set long] [bogus_command]}} msg] $msg
- } {1 {invalid command name "bogus_command"}}
-
- test subst-6.1 {clear the result after command substitution} {
- catch {unset a}
- list [catch {subst {[concat foo] $a}} msg] $msg
- } {1 {can't read "a": no such variable}}
-
- test subst-7.1 {switches} {
- list [catch {subst foo bar} msg] $msg
- } {1 {wrong # args: should be "subst ?-nobackslashes? ?-nocommands? ?-novariables? string"}}
- test subst-7.2 {switches} {
- list [catch {subst -no bar} msg] $msg
- } {1 {bad switch "-no": must be -nobackslashes, -nocommands, or -novariables}}
- test subst-7.3 {switches} {
- list [catch {subst -bogus bar} msg] $msg
- } {1 {bad switch "-bogus": must be -nobackslashes, -nocommands, or -novariables}}
- test subst-7.4 {switches} {
- set x 123
- subst -nobackslashes {abc $x [expr 1+2] \\\x41}
- } {abc 123 3 \\\x41}
- test subst-7.5 {switches} {
- set x 123
- subst -nocommands {abc $x [expr 1+2] \\\x41}
- } {abc 123 [expr 1+2] \A}
- test subst-7.6 {switches} {
- set x 123
- subst -novariables {abc $x [expr 1+2] \\\x41}
- } {abc $x 3 \A}
- test subst-7.7 {switches} {
- set x 123
- subst -nov -nob -noc {abc $x [expr 1+2] \\\x41}
- } {abc $x [expr 1+2] \\\x41}
-