Import Tcl-core 8.6.6 (as of svn r86089)
This commit is contained in:
Zachary Ware
349
tests/env.test
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349
tests/env.test
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# 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 built-in
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# commands. Sourcing this file into Tcl runs the tests and generates output
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# 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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# Copyright (c) 1998-1999 by Scriptics Corporation.
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#
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# See the file "license.terms" for information on usage and redistribution of
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# this file, and for a DISCLAIMER OF ALL WARRANTIES.
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if {[lsearch [namespace children] ::tcltest] == -1} {
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package require tcltest 2
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namespace import -force ::tcltest::*
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}
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# Some tests require the "exec" command.
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# Skip them if exec is not defined.
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testConstraint exec [llength [info commands exec]]
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#
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# These tests will run on any platform (and indeed crashed on the Mac). So put
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# them before you test for the existance of exec.
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#
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test env-1.1 {propagation of env values to child interpreters} -setup {
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catch {interp delete child}
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catch {unset env(test)}
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} -body {
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interp create child
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set env(test) garbage
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child eval {set env(test)}
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} -cleanup {
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interp delete child
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unset env(test)
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} -result {garbage}
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#
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# This one crashed on Solaris under Tcl8.0, so we only want to make sure it
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# runs.
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#
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test env-1.2 {lappend to env value} -setup {
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catch {unset env(test)}
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} -body {
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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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test env-1.3 {reflection of env by "array names"} -setup {
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catch {interp delete child}
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catch {unset env(test)}
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} -body {
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interp create child
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child eval {set env(test) garbage}
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expr {"test" in [array names env]}
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} -cleanup {
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interp delete child
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catch {unset env(test)}
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} -result {1}
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set printenvScript [makeFile {
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encoding system iso8859-1
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proc lrem {listname name} {
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upvar $listname list
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set i [lsearch -nocase $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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proc mangle s {
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regsub -all {\[|\\|\]} $s {\\&} s
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regsub -all "\[\u0000-\u001f\u007f-\uffff\]" $s {[manglechar &]} s
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return [subst -novariables $s]
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}
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proc manglechar c {
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return [format {\u%04x} [scan $c %c]]
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}
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set names [lsort [array names env]]
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if {$tcl_platform(platform) eq "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 {
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TCL_LIBRARY PATH LD_LIBRARY_PATH LIBPATH PURE_PROG_NAME DISPLAY
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SHLIB_PATH SYSTEMDRIVE SYSTEMROOT DYLD_LIBRARY_PATH DYLD_FRAMEWORK_PATH
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DYLD_NEW_LOCAL_SHARED_REGIONS DYLD_NO_FIX_PREBINDING
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__CF_USER_TEXT_ENCODING SECURITYSESSIONID LANG WINDIR TERM
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CommonProgramFiles ProgramFiles CommonProgramW6432 ProgramW6432
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} {
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lrem names $name
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}
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foreach p $names {
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puts "[mangle $p]=[mangle $env($p)]"
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}
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exit
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} printenv]
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# [exec] is required here to see the actual environment received by child
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# processes.
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proc getenv {} {
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global printenvScript tcltest
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catch {exec [interpreter] $printenvScript} out
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if {$out eq "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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set env2 [array get env]
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foreach name [array names env] {
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# Keep some environment variables that support operation of the tcltest
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# package.
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if {[string toupper $name] ni {
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TCL_LIBRARY PATH LD_LIBRARY_PATH LIBPATH DISPLAY SHLIB_PATH
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SYSTEMDRIVE SYSTEMROOT DYLD_LIBRARY_PATH DYLD_FRAMEWORK_PATH
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DYLD_NEW_LOCAL_SHARED_REGIONS DYLD_NO_FIX_PREBINDING
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SECURITYSESSIONID LANG WINDIR TERM
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CONNOMPROGRAMFILES PROGRAMFILES COMMONPROGRAMW6432 PROGRAMW6432
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}} {
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unset env($name)
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}
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}
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# Need to run 'getenv' in known encoding, so save the current one here...
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set sysenc [encoding system]
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test env-2.1 {adding environment variables} -setup {
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encoding system iso8859-1
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} -constraints {exec} -body {
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getenv
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} -cleanup {
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encoding system $sysenc
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} -result {}
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test env-2.2 {adding environment variables} -setup {
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encoding system iso8859-1
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} -constraints {exec} -body {
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set env(NAME1) "test string"
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getenv
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} -cleanup {
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encoding system $sysenc
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} -result {NAME1=test string}
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test env-2.3 {adding environment variables} -setup {
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encoding system iso8859-1
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set env(NAME1) "test string"
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} -constraints {exec} -body {
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set env(NAME2) "more"
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getenv
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} -cleanup {
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encoding system $sysenc
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} -result {NAME1=test string
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NAME2=more}
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test env-2.4 {adding environment variables} -setup {
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encoding system iso8859-1
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set env(NAME1) "test string"
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set env(NAME2) "more"
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} -constraints {exec} -body {
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set env(XYZZY) "garbage"
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getenv
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} -cleanup {
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encoding system $sysenc
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} -result {NAME1=test string
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NAME2=more
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XYZZY=garbage}
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set env(NAME1) "test string"
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set env(NAME2) "new value"
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set env(XYZZY) "garbage"
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test env-3.1 {changing environment variables} -setup {
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encoding system iso8859-1
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} -constraints {exec} -body {
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set result [getenv]
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unset env(NAME2)
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set result
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} -cleanup {
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encoding system $sysenc
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} -result {NAME1=test string
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NAME2=new value
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XYZZY=garbage}
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unset -nocomplain env(NAME2)
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test env-4.1 {unsetting environment variables: default} -setup {
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encoding system iso8859-1
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} -constraints {exec} -body {
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getenv
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} -cleanup {
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encoding system $sysenc
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} -result {NAME1=test string
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XYZZY=garbage}
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test env-4.2 {unsetting environment variables} -setup {
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encoding system iso8859-1
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} -constraints {exec} -body {
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unset env(NAME1)
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getenv
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} -cleanup {
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unset env(XYZZY)
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encoding system $sysenc
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} -result {XYZZY=garbage}
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unset -nocomplain env(NAME1) env(XYZZY)
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test env-4.3 {setting international environment variables} -setup {
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encoding system iso8859-1
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} -constraints {exec} -body {
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set env(\ua7) \ub6
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getenv
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} -cleanup {
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encoding system $sysenc
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} -result {\u00a7=\u00b6}
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test env-4.4 {changing international environment variables} -setup {
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encoding system iso8859-1
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} -constraints {exec} -body {
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set env(\ua7) \ua7
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getenv
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} -cleanup {
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encoding system $sysenc
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} -result {\u00a7=\u00a7}
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test env-4.5 {unsetting international environment variables} -setup {
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encoding system iso8859-1
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set env(\ua7) \ua7
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} -body {
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set env(\ub6) \ua7
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unset env(\ua7)
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getenv
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} -constraints {exec} -cleanup {
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unset env(\ub6)
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encoding system $sysenc
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} -result {\u00b6=\u00a7}
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test env-5.0 {corner cases - set a value, it should exist} -body {
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set env(temp) a
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set env(temp)
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} -cleanup {
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unset env(temp)
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} -result {a}
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test env-5.1 {corner cases - remove one elem at a time} -setup {
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set x [array get env]
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} -body {
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# When no environment variables exist, the env var will contain no
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# entries. The "array names" call synchs up the C-level environ array with
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# the Tcl level env array. Make sure an empty Tcl array is created.
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foreach e [array names env] {
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unset env($e)
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}
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array size env
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} -cleanup {
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array set env $x
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} -result {0}
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test env-5.2 {corner cases - unset the env array} -setup {
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interp create i
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} -body {
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# Unsetting a variable in an interp detaches the C-level traces from the
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# Tcl "env" variable.
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i eval {
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unset env
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set env(THIS_SHOULDNT_EXIST) a
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}
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info exists env(THIS_SHOULDNT_EXIST)
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} -cleanup {
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interp delete i
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} -result {0}
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test env-5.3 {corner cases: unset the env in master should unset child} -setup {
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interp create i
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} -body {
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# Variables deleted in a master interp should be deleted in child interp
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# too.
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i eval { set env(THIS_SHOULD_EXIST) a}
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set result [set env(THIS_SHOULD_EXIST)]
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unset env(THIS_SHOULD_EXIST)
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lappend result [i eval {catch {set env(THIS_SHOULD_EXIST)}}]
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} -cleanup {
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interp delete i
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} -result {a 1}
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test env-5.4 {corner cases - unset the env array} -setup {
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interp create i
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} -body {
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# The info exists command should be in synch with the env array.
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# Know Bug: 1737
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i eval { set env(THIS_SHOULD_EXIST) a}
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set result [info exists env(THIS_SHOULD_EXIST)]
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lappend result [set env(THIS_SHOULD_EXIST)]
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lappend result [info exists env(THIS_SHOULD_EXIST)]
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} -cleanup {
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interp delete i
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} -result {1 a 1}
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test env-5.5 {corner cases - cannot have null entries on Windows} -constraints win -body {
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set env() a
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catch {set env()}
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} -result 1
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test env-6.1 {corner cases - add lots of env variables} -body {
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set size [array size env]
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for {set i 0} {$i < 100} {incr i} {
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set env(BOGUS$i) $i
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}
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expr {[array size env] - $size}
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} -result 100
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test env-7.1 {[219226]: whole env array should not be unset by read} -body {
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set n [array size env]
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set s [array startsearch env]
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while {[array anymore env $s]} {
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array nextelement env $s
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incr n -1
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}
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array donesearch env $s
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return $n
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} -result 0
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test env-7.2 {[219226]: links to env elements should not be removed by read} -body {
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apply {{} {
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set ::env(test7_2) ok
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upvar env(test7_2) elem
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set ::env(PATH)
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return $elem
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}}
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} -result ok
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test env-7.3 {[9b4702]: testing existence of env(some_thing) should not destroy trace} -body {
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apply {{} {
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catch {unset ::env(test7_3)}
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proc foo args {
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set ::env(test7_3) ok
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}
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trace add variable ::env(not_yet_existent) write foo
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info exists ::env(not_yet_existent)
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set ::env(not_yet_existent) "Now I'm here";
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return [info exists ::env(test7_3)]
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}}
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} -result 1
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# Restore the environment variables at the end of the test.
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foreach name [array names env] {
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unset env($name)
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}
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array set env $env2
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# cleanup
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removeFile $printenvScript
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::tcltest::cleanupTests
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return
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# Local Variables:
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# mode: tcl
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# End:
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