diff -r 000000000000 -r 1918ee327afb tests/auto/qmake/testdata/variables/variables.pro
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qmake/testdata/variables/variables.pro	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,14 @@
+CONFIG = 1 2 3 4 5
+JOINEDCONFIG = $$join( CONFIG, "-GLUE-", "-BEFORE-", "-AFTER-" )
+!contains( JOINEDCONFIG, -BEFORE-1-GLUE-2-GLUE-3-GLUE-4-GLUE-5-AFTER- ) {
+   message( "FAILED: join [$$JOINEDCONFIG != -BEFORE-1-GLUE-2-GLUE-3-GLUE-4-GLUE-5-AFTER-]" )
+}
+
+# To test member we need to use join
+NEWCONFIG = $$member( CONFIG, 4 ) $$member( CONFIG, 3 ) $$member( CONFIG, 2 ) 
+JOINEDNEWCONFIG = $$join( NEWCONFIG, "-" )
+!contains( JOINEDNEWCONFIG, 5-4-3 ) {
+  message( "FAILED: member [$$JOINEDNEWCONFIG != 5-4-3]" )
+}
+
+