fix: adding tests for mf_getuniquelibref and mentioning deprecated param in README. Also regenerating all.sas

tests/crossplatform/mf_getuniquelibref.test.sas

@@ -0,0 +1,54 @@
+/**
+  @file
+  @brief Testing mf_getuniquelibref macro
+  @details To test performance you can also use the following macro:
+
+  <h4> SAS Macros </h4>
+  @li mf_getuniquelibref.sas
+  @li mp_assert.sas
+  @li mp_assertscope.sas
+
+**/
+
+/* check valid libs */
+%mp_assertscope(SNAPSHOT)
+%let libshort=%mf_getuniquelibref(prefix=lib);
+%mp_assertscope(COMPARE,ignorelist=LIBSHORT)
+libname &libshort (work);
+%mp_assert(
+  iftrue=(&syscc=0),
+  desc=Checking for valid libref &libshort,
+  outds=work.test_results
+)
+
+%let lib7=%mf_getuniquelibref(prefix=libref7);
+libname &lib7 (work);
+%mp_assert(
+  iftrue=(&syscc=0),
+  desc=Checking for valid libref &lib7,
+  outds=work.test_results
+)
+
+
+/* check for invalid libs */
+
+%let lib8=%mf_getuniquelibref(prefix=lib8char);
+%mp_assert(
+  iftrue=(&lib8=0),
+  desc=Invalid prefix (8 chars),
+  outds=work.test_results
+)
+
+%let liblong=%mf_getuniquelibref(prefix=invalidlib);
+%mp_assert(
+  iftrue=(&liblong=0),
+  desc=Checking for invalid libref (long),
+  outds=work.test_results
+)
+
+%let badlib=%mf_getuniquelibref(prefix=8adlib);
+%mp_assert(
+  iftrue=(&badlib=0),
+  desc=Checking for invalid libref (8adlib),
+  outds=work.test_results
+)