chore(docs): assertscope

tests/crossplatform/mp_stackdiffs.test.sas

@@ -0,0 +1,41 @@
+/**
+  @file
+  @brief Testing mp_storediffs macro
+
+  <h4> SAS Macros </h4>
+  @li mp_assert.sas
+  @li mp_assertcolvals.sas
+  @li mp_assertdsobs.sas
+  @li mp_stackdiffs.sas
+  @li mp_storediffs.sas
+
+**/
+
+/* first, make some data */
+
+data work.orig work.deleted work.changed work.appended;
+  set sashelp.electric;
+  if _n_ le 10 then do;
+    output work.orig work.deleted;
+  end;
+  else if _n_ le 20 then do;
+    output work.orig;
+    age=99;
+    output work.changed;
+  end;
+  else if _n_ le 30 then do;
+    year=_n_;
+    output work.appended;
+  end;
+  else stop;
+run;
+
+%mp_storediffs(sashelp.electric,work.orig,CUSTOMER YEAR
+  ,delds=work.deleted
+  ,modds=work.changed
+  ,appds=work.appended
+  ,outds=work.final
+  ,mdebug=1
+)
+
+/* now, stack it back */