153 lines
3.6 KiB
Plaintext
153 lines
3.6 KiB
Plaintext
# Commands covered: none (tests environment variable implementation)
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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) 1991-1993 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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# SCCS: @(#) env.test 1.14 97/10/31 17:00:03
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if {[string compare test [info procs test]] == 1} then {source defs}
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#
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# These tests will run on any platform (and indeed crashed
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# on the Mac). So put them before you test for the existance
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# of exec.
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#
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test env-1.1 {propagation of env values to child interpreters} {
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catch {interp delete child}
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catch {unset env(test)}
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interp create child
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set env(test) garbage
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set return [child eval {set env(test)}]
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interp delete child
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unset env(test)
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set return
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} {garbage}
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#
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# This one crashed on Solaris under Tcl8.0, so we only
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# want to make sure it runs.
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#
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test env-1.2 {lappend to env value} {
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catch {unset env(test)}
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set env(test) aaaaaaaaaaaaaaaa
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append env(test) bbbbbbbbbbbbbb
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unset env(test)
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} {}
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if {[info commands exec] == ""} {
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puts "exec not implemented for this machine"
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return
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}
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if {$tcl_platform(os) == "Win32s"} {
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puts "Cannot run multiple copies of tcl at the same time under Win32s"
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return
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}
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set f [open printenv w]
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puts $f {
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proc lrem {listname name} {
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upvar $listname list
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set i [lsearch $list $name]
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if {$i >= 0} {
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set list [lreplace $list $i $i]
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}
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return $list
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}
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set names [lsort [array names env]]
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if {$tcl_platform(platform) == "windows"} {
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lrem names HOME
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lrem names COMSPEC
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lrem names ComSpec
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lrem names ""
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}
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foreach name {TCL_LIBRARY PATH LD_LIBRARY_PATH} {
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lrem names $name
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}
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foreach p $names {
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puts "$p=$env($p)"
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}
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}
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close $f
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proc getenv {} {
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global printenv tcltest
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catch {exec $tcltest printenv} out
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if {$out == "child process exited abnormally"} {
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set out {}
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}
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return $out
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}
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# Save the current environment variables at the start of the test.
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foreach name [array names env] {
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set env2($name) $env($name)
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unset env($name)
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}
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# Added the following lines so that child tcltest can actually find its
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# library if the initial tcltest is run from a non-standard place.
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# ('saved' env vars)
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foreach name {TCL_LIBRARY PATH LD_LIBRARY_PATH} {
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if {[info exists env2($name)]} {
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set env($name) $env2($name);
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}
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}
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test env-2.1 {adding environment variables} {
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getenv
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} {}
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set env(NAME1) "test string"
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test env-2.2 {adding environment variables} {
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getenv
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} {NAME1=test string}
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set env(NAME2) "more"
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test env-2.3 {adding environment variables} {
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getenv
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} {NAME1=test string
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NAME2=more}
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set env(XYZZY) "garbage"
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test env-2.4 {adding environment variables} {
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getenv
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} {NAME1=test string
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NAME2=more
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XYZZY=garbage}
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set env(NAME2) "new value"
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test env-3.1 {changing environment variables} {
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getenv
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} {NAME1=test string
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NAME2=new value
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XYZZY=garbage}
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unset env(NAME2)
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test env-4.1 {unsetting environment variables} {
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getenv
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} {NAME1=test string
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XYZZY=garbage}
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unset env(NAME1)
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test env-4.2 {unsetting environment variables} {
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getenv
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} {XYZZY=garbage}
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# Restore the environment variables at the end of the test.
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foreach name [array names env] {
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unset env($name)
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}
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foreach name [array names env2] {
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set env($name) $env2($name)
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}
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file delete printenv
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