Added broken example with cpp macro expansion

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4288 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/common.mk

@@ -42,6 +42,7 @@ DYNAMIC_LIB_PATH = $(RUNTIMEDIR):.
 
 # Broken C++ test cases. (Can be run individually using make testcase.cpptest.)
 CPP_TEST_BROKEN += \
+	preproc_4 \
 	cast_operator \
 	arrayref \
 	abstract_typedef \

SWIG/Examples/test-suite/preproc_4.i

@@ -0,0 +1,39 @@
+%module preproc_4
+
+%{
+  inline int hello0()
+  {
+    return 0;
+  }
+
+  inline int hello1()
+  {
+    return 1;
+  }
+
+  inline int hello2()
+  {
+    return 2;
+  }  
+%}
+
+#define ARITH_RTYPE(A1, A2) A2
+
+#define HELLO_TYPE(A, B) ARITH_RTYPE(A, ARITH_RTYPE(A,B))
+
+
+//
+// These two work fine
+//
+int hello0();
+ARITH_RTYPE(double,int) hello1();
+
+
+
+//
+// This doesn't work with 1.3.17+ ( but it was ok in 1.3.16 )
+// it gets expanded as (using -E)
+// 
+//   ARITH_RTYPE(double,int) hello2();
+//
+HELLO_TYPE(double,int) hello2();