From c555e477b12e11467a877024a205f39376477389 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Wed, 20 Nov 2013 16:04:43 +0000
Subject: Safer clean-up of environment variables: Do removal after insertions
 -> tcltest 2.3.7

---
 library/tcltest/pkgIndex.tcl |  2 +-
 library/tcltest/tcltest.tcl  | 13 ++++++++-----
 unix/Makefile.in             |  4 ++--
 win/Makefile.in              |  4 ++--
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/library/tcltest/pkgIndex.tcl b/library/tcltest/pkgIndex.tcl
index 60a9485..c99ad2a 100644
--- a/library/tcltest/pkgIndex.tcl
+++ b/library/tcltest/pkgIndex.tcl
@@ -9,4 +9,4 @@
 # full path name of this file's directory.
 
 if {![package vsatisfies [package provide Tcl] 8.5]} {return}
-package ifneeded tcltest 2.3.6 [list source [file join $dir tcltest.tcl]]
+package ifneeded tcltest 2.3.7 [list source [file join $dir tcltest.tcl]]
diff --git a/library/tcltest/tcltest.tcl b/library/tcltest/tcltest.tcl
index c30d2e4..d066a1b 100644
--- a/library/tcltest/tcltest.tcl
+++ b/library/tcltest/tcltest.tcl
@@ -22,7 +22,7 @@ namespace eval tcltest {
     # When the version number changes, be sure to update the pkgIndex.tcl file,
     # and the install directory in the Makefiles.  When the minor version
     # changes (new feature) be sure to update the man page as well.
-    variable Version 2.3.6
+    variable Version 2.3.7
 
     # Compatibility support for dumb variables defined in tcltest 1
     # Do not use these.  Call [package provide Tcl] and [info patchlevel]
@@ -2495,16 +2495,19 @@ proc tcltest::cleanupTests {{calledFromAllFile 0}} {
 	set changedEnv {}
 	set removedEnv {}
 	foreach index [array names ::env] {
-	    if {![info exists originalEnv($index)]} {
-		lappend newEnv $index
-		unset ::env($index)
-	    } else {
+	    if {[info exists originalEnv($index)]} {
 		if {$::env($index) != $originalEnv($index)} {
 		    lappend changedEnv $index
 		    set ::env($index) $originalEnv($index)
 		}
 	    }
 	}
+	foreach index [array names ::env] {
+	    if {![info exists originalEnv($index)]} {
+		lappend newEnv $index
+		unset ::env($index)
+	    }
+	}
 	foreach index [array names originalEnv] {
 	    if {![info exists ::env($index)]} {
 		lappend removedEnv $index
diff --git a/unix/Makefile.in b/unix/Makefile.in
index 70d98c1..c7caf5b 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -782,8 +782,8 @@ install-libraries: libraries $(INSTALL_TZDATA) install-msgs
 	    done;
 	@echo "Installing package msgcat 1.5.2 as a Tcl Module";
 	@$(INSTALL_DATA) $(TOP_DIR)/library/msgcat/msgcat.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/msgcat-1.5.2.tm;
-	@echo "Installing package tcltest 2.3.6 as a Tcl Module";
-	@$(INSTALL_DATA) $(TOP_DIR)/library/tcltest/tcltest.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/tcltest-2.3.6.tm;
+	@echo "Installing package tcltest 2.3.7 as a Tcl Module";
+	@$(INSTALL_DATA) $(TOP_DIR)/library/tcltest/tcltest.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.5/tcltest-2.3.7.tm;
 
 	@echo "Installing package platform 1.0.12 as a Tcl Module";
 	@$(INSTALL_DATA) $(TOP_DIR)/library/platform/platform.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.4/platform-1.0.12.tm;
diff --git a/win/Makefile.in b/win/Makefile.in
index e0b2f26..b962fb4 100644
--- a/win/Makefile.in
+++ b/win/Makefile.in
@@ -651,8 +651,8 @@ install-libraries: libraries install-tzdata install-msgs
 	    done;
 	@echo "Installing package msgcat 1.5.2 as a Tcl Module";
 	@$(COPY) $(ROOT_DIR)/library/msgcat/msgcat.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/msgcat-1.5.2.tm;
-	@echo "Installing package tcltest 2.3.6 as a Tcl Module";
-	@$(COPY) $(ROOT_DIR)/library/tcltest/tcltest.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/tcltest-2.3.6.tm;
+	@echo "Installing package tcltest 2.3.7 as a Tcl Module";
+	@$(COPY) $(ROOT_DIR)/library/tcltest/tcltest.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.5/tcltest-2.3.7.tm;
 	@echo "Installing package platform 1.0.12 as a Tcl Module";
 	@$(COPY) $(ROOT_DIR)/library/platform/platform.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.4/platform-1.0.12.tm;
 	@echo "Installing package platform::shell 1.1.4 as a Tcl Module";
-- 
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