- # Commands covered: none (tests environment variable implementation)
- #
- # 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.
- # Copyright (c) 1998-1999 by Scriptics Corporation.
- #
- # See the file "license.terms" for information on usage and redistribution
- # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- #
- # RCS: @(#) $Id: env.test,v 1.17.2.5 2007/01/19 01:05:50 das Exp $
- package require tcltest 2
- namespace import -force ::tcltest::*
- #
- # These tests will run on any platform (and indeed crashed
- # on the Mac). So put them before you test for the existance
- # of exec.
- #
- test env-1.1 {propagation of env values to child interpreters} {
- catch {interp delete child}
- catch {unset env(test)}
- interp create child
- set env(test) garbage
- set return [child eval {set env(test)}]
- interp delete child
- unset env(test)
- set return
- } {garbage}
- #
- # This one crashed on Solaris under Tcl8.0, so we only
- # want to make sure it runs.
- #
- test env-1.2 {lappend to env value} {
- catch {unset env(test)}
- set env(test) aaaaaaaaaaaaaaaa
- append env(test) bbbbbbbbbbbbbb
- unset env(test)
- } {}
- test env-1.3 {reflection of env by "array names"} {
- catch {interp delete child}
- catch {unset env(test)}
- interp create child
- child eval {set env(test) garbage}
- set names [array names env]
- interp delete child
- set ix [lsearch $names test]
- catch {unset env(test)}
- expr {$ix >= 0}
- } {1}
- # Some tests require the "exec" command.
- # Skip them if exec is not defined.
- testConstraint exec [llength [info commands exec]]
- set printenvScript [makeFile {
- proc lrem {listname name} {
- upvar $listname list
- set i [lsearch $list $name]
- if {$i >= 0} {
- set list [lreplace $list $i $i]
- }
- return $list
- }
- set names [lsort [array names env]]
- if {$tcl_platform(platform) == "windows"} {
- lrem names HOME
- lrem names COMSPEC
- lrem names ComSpec
- lrem names ""
- }
- foreach name {
- TCL_LIBRARY PATH LD_LIBRARY_PATH LIBPATH PURE_PROG_NAME DISPLAY
- SHLIB_PATH SYSTEMDRIVE SYSTEMROOT DYLD_LIBRARY_PATH DYLD_FRAMEWORK_PATH
- DYLD_NEW_LOCAL_SHARED_REGIONS DYLD_NO_FIX_PREBINDING
- __CF_USER_TEXT_ENCODING SECURITYSESSIONID
- } {
- lrem names $name
- }
- foreach p $names {
- puts "$p=$env($p)"
- }
- exit
- } printenv]
- # [exec] is required here to see the actual environment received
- # by child processes.
- proc getenv {} {
- global printenvScript tcltest
- catch {exec [interpreter] $printenvScript} out
- if {$out == "child process exited abnormally"} {
- set out {}
- }
- return $out
- }
- # Save the current environment variables at the start of the test.
- foreach name [array names env] {
- set env2([string toupper $name]) $env($name)
- unset env($name)
- }
- # Added the following lines so that child tcltest can actually find its
- # library if the initial tcltest is run from a non-standard place.
- # ('saved' env vars)
- foreach name {
- TCL_LIBRARY PATH LD_LIBRARY_PATH LIBPATH DISPLAY SHLIB_PATH
- SYSTEMDRIVE SYSTEMROOT DYLD_LIBRARY_PATH DYLD_FRAMEWORK_PATH
- DYLD_NEW_LOCAL_SHARED_REGIONS DYLD_NO_FIX_PREBINDING
- SECURITYSESSIONID} {
- if {[info exists env2($name)]} {
- set env($name) $env2($name);
- }
- }
- test env-2.1 {adding environment variables} {exec} {
- getenv
- } {}
- set env(NAME1) "test string"
- test env-2.2 {adding environment variables} {exec} {
- getenv
- } {NAME1=test string}
- set env(NAME2) "more"
- test env-2.3 {adding environment variables} {exec} {
- getenv
- } {NAME1=test string
- NAME2=more}
- set env(XYZZY) "garbage"
- test env-2.4 {adding environment variables} {exec} {
- getenv
- } {NAME1=test string
- NAME2=more
- XYZZY=garbage}
- set env(NAME2) "new value"
- test env-3.1 {changing environment variables} {exec} {
- set result [getenv]
- unset env(NAME2)
- set result
- } {NAME1=test string
- NAME2=new value
- XYZZY=garbage}
- test env-4.1 {unsetting environment variables} {exec} {
- set result [getenv]
- unset env(NAME1)
- set result
- } {NAME1=test string
- XYZZY=garbage}
- test env-4.2 {unsetting environment variables} {exec} {
- set result [getenv]
- unset env(XYZZY)
- set result
- } {XYZZY=garbage}
- test env-4.3 {setting international environment variables} {exec} {
- set env(ua7) ub6
- getenv
- } "ua7=ub6"
- test env-4.4 {changing international environment variables} {exec} {
- set env(ua7) ua7
- getenv
- } "ua7=ua7"
- test env-4.5 {unsetting international environment variables} {exec} {
- set env(ub6) ua7
- unset env(ua7)
- set result [getenv]
- unset env(ub6)
- set result
- } "ub6=ua7"
- test env-5.0 {corner cases - set a value, it should exist} {} {
- set env(temp) a
- set result [set env(temp)]
- unset env(temp)
- set result
- } {a}
- test env-5.1 {corner cases - remove one elem at a time} {} {
- # When no environment variables exist, the env var will
- # contain no entries. The "array names" call synchs up
- # the C-level environ array with the Tcl level env array.
- # Make sure an empty Tcl array is created.
- set x [array get env]
- foreach e [array names env] {
- unset env($e)
- }
- set result [catch {array names env}]
- array set env $x
- set result
- } {0}
- test env-5.2 {corner cases - unset the env array} {} {
- # Unsetting a variable in an interp detaches the C-level
- # traces from the Tcl "env" variable.
- interp create i
- i eval { unset env }
- i eval { set env(THIS_SHOULDNT_EXIST) a}
- set result [info exists env(THIS_SHOULDNT_EXIST)]
- interp delete i
- set result
- } {0}
- test env-5.3 {corner cases - unset the env in master should unset child} {} {
- # Variables deleted in a master interp should be deleted in
- # child interp too.
- interp create i
- i eval { set env(THIS_SHOULD_EXIST) a}
- set result [set env(THIS_SHOULD_EXIST)]
- unset env(THIS_SHOULD_EXIST)
- lappend result [i eval {catch {set env(THIS_SHOULD_EXIST)}}]
- interp delete i
- set result
- } {a 1}
- test env-5.4 {corner cases - unset the env array} {} {
- # The info exists command should be in synch with the env array.
- # Know Bug: 1737
- interp create i
- i eval { set env(THIS_SHOULD_EXIST) a}
- set result [info exists env(THIS_SHOULD_EXIST)]
- lappend result [set env(THIS_SHOULD_EXIST)]
- lappend result [info exists env(THIS_SHOULD_EXIST)]
- interp delete i
- set result
- } {1 a 1}
- test env-5.5 {corner cases - cannot have null entries on Windows} {pcOnly} {
- set env() a
- catch {set env()}
- } {1}
- test env-6.1 {corner cases - add lots of env variables} {} {
- set size [array size env]
- for {set i 0} {$i < 100} {incr i} {
- set env(BOGUS$i) $i
- }
- expr {[array size env] - $size}
- } 100
- # Restore the environment variables at the end of the test.
- foreach name [array names env] {
- unset env($name)
- }
- foreach name [array names env2] {
- set env($name) $env2($name)
- }
- # cleanup
- removeFile $printenvScript
- ::tcltest::cleanupTests
- return