Add a whole bunch of chicken runme scripts, and fix the bugs exposed by those scripts

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7155 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/schemerunme/unions_proxy.scm

@@ -0,0 +1,37 @@
+;;; This is the union runtime testcase. It ensures that values within a
+;;; union embedded within a struct can be set and read correctly.
+
+;; Create new instances of SmallStruct and BigStruct for later use
+(define small (make <SmallStruct>))
+(slot-set! small 'jill 200)
+
+(define big (make <BigStruct>))
+(slot-set! big 'smallstruct small)
+(slot-set! big 'jack 300)
+
+;; Use SmallStruct then BigStruct to setup EmbeddedUnionTest.
+;; Ensure values in EmbeddedUnionTest are set correctly for each.
+(define eut (make <EmbeddedUnionTest>))
+
+;; First check the SmallStruct in EmbeddedUnionTest
+(slot-set! eut 'number 1)
+(slot-set! (slot-ref eut 'uni) 'small small)
+(let ((Jill1 (slot-ref
+	       (slot-ref 
+		  (slot-ref eut 'uni) 
+		  'small)
+	       'jill)))
+  (if (not (= Jill1 200))
+      (begin
+	(display "Runtime test 1 failed.")
+	(exit 1))))
+
+(let ((Num1 (slot-ref eut 'number)))
+  (if (not (= Num1 1))
+      (begin
+	(display "Runtime test 2 failed.")
+	(exit 1))))
+
+;; that should do
+
+(exit 0)