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[/] [or1k/] [trunk/] [insight/] [tcl/] [tests/] [subst.test] - Blame information for rev 1774

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1 578 markom
# Commands covered:  subst
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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) 1994 The Regents of the University of California.
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# Copyright (c) 1994 Sun Microsystems, Inc.
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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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#
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# RCS: @(#) $Id: subst.test,v 1.1.1.1 2002-01-16 10:25:36 markom Exp $
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if {[string compare test [info procs test]] == 1} then {source defs}
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test subst-1.1 {basics} {
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    list [catch {subst} msg] $msg
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} {1 {wrong # args: should be "subst ?-nobackslashes? ?-nocommands? ?-novariables? string"}}
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test subst-1.2 {basics} {
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    list [catch {subst a b c} msg] $msg
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} {1 {wrong # args: should be "subst ?-nobackslashes? ?-nocommands? ?-novariables? string"}}
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test subst-2.1 {simple strings} {
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    subst {}
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} {}
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test subst-2.2 {simple strings} {
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    subst a
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} a
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test subst-2.3 {simple strings} {
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    subst abcdefg
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} abcdefg
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test subst-3.1 {backslash substitutions} {
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    subst {\x\$x\[foo bar]\\}
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} "x\$x\[foo bar]\\"
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test subst-4.1 {variable substitutions} {
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    set a 44
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    subst {$a}
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} {44}
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test subst-4.2 {variable substitutions} {
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    set a 44
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    subst {x$a.y{$a}.z}
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} {x44.y{44}.z}
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test subst-4.3 {variable substitutions} {
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    catch {unset a}
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    set a(13) 82
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    set i 13
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    subst {x.$a($i)}
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} {x.82}
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catch {unset a}
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set long {This is a very long string, intentionally made so long that it
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        will overflow the static character size for dstrings, so that
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        additional memory will have to be allocated by subst.  That way,
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        if the subst procedure forgets to free up memory while returning
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        an error, there will be memory that isn't freed (this will be
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        detected when the tests are run under a checking memory allocator
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        such as Purify).}
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test subst-4.4 {variable substitutions} {
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    list [catch {subst {$long $a}} msg] $msg
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} {1 {can't read "a": no such variable}}
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test subst-5.1 {command substitutions} {
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    subst {[concat {}]}
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} {}
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test subst-5.2 {command substitutions} {
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    subst {[concat A test string]}
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} {A test string}
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test subst-5.3 {command substitutions} {
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    subst {x.[concat foo].y.[concat bar].z}
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} {x.foo.y.bar.z}
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test subst-5.4 {command substitutions} {
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    list [catch {subst {$long [set long] [bogus_command]}} msg] $msg
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} {1 {invalid command name "bogus_command"}}
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test subst-6.1 {clear the result after command substitution} {
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    catch {unset a}
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    list [catch {subst {[concat foo] $a}} msg] $msg
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} {1 {can't read "a": no such variable}}
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test subst-7.1 {switches} {
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    list [catch {subst foo bar} msg] $msg
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} {1 {wrong # args: should be "subst ?-nobackslashes? ?-nocommands? ?-novariables? string"}}
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test subst-7.2 {switches} {
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    list [catch {subst -no bar} msg] $msg
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} {1 {bad switch "-no": must be -nobackslashes, -nocommands, or -novariables}}
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test subst-7.3 {switches} {
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    list [catch {subst -bogus bar} msg] $msg
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} {1 {bad switch "-bogus": must be -nobackslashes, -nocommands, or -novariables}}
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test subst-7.4 {switches} {
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    set x 123
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    subst -nobackslashes {abc $x [expr 1+2] \\\x41}
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} {abc 123 3 \\\x41}
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test subst-7.5 {switches} {
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    set x 123
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    subst -nocommands {abc $x [expr 1+2] \\\x41}
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} {abc 123 [expr 1+2] \A}
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test subst-7.6 {switches} {
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    set x 123
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    subst -novariables {abc $x [expr 1+2] \\\x41}
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} {abc $x 3 \A}
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test subst-7.7 {switches} {
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    set x 123
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    subst -nov -nob -noc {abc $x [expr 1+2] \\\x41}
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} {abc $x [expr 1+2] \\\x41}

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