add new %begin directive for inserting code at top of wrapper file

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@11133 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/common.mk

@@ -206,6 +206,7 @@ CPP_TEST_CASES += \
 	inherit_target_language \
 	inherit_void_arg \
 	inline_initializer \
+	insert_directive \
         keyword_rename \
 	kind \
 	langobj \

Examples/test-suite/insert_directive.i

@@ -0,0 +1,38 @@
+%module insert_directive
+
+// check %insert and the order of each insert section is correct
+
+%begin %{
+// %inserted code %begin
+int inserted_begin(int i) { return i; }
+%}
+
+%runtime %{
+// %inserted code %runtime
+int inserted_runtime(int i) { return inserted_begin(i); }
+%}
+
+%{
+// %inserted code %header
+int inserted_header1(int i) { return inserted_runtime(i); }
+%}
+
+%header %{
+// %inserted code %header
+int inserted_header2(int i) { return inserted_header1(i); }
+%}
+
+%{
+// %inserted code %header
+int inserted_header3(int i) { return inserted_header2(i); }
+%}
+
+%wrapper %{
+// %inserted code %wrapper
+int inserted_wrapper(int i) { return inserted_header3(i); }
+%}
+
+%init %{
+// %inserted code %init
+int inserted_init_value = inserted_wrapper(0);
+%}