fix: enabling makedata support for charvars > and tables without primary keys. Also added tests.

tests/crossplatform/mp_makedata.test.sas

@@ -0,0 +1,59 @@
+/**
+  @file
+  @brief Testing mp_makedata.sas macro
+
+  <h4> SAS Macros </h4>
+  @li mf_nobs.sas
+  @li mp_makedata.sas
+  @li mp_assert.sas
+
+**/
+
+/**
+  * Test 1 - Regular makedata call
+  */
+
+proc sql;
+create table work.example(
+  TX_FROM float format=datetime19.,
+  DD_TYPE char(16),
+  DD_SOURCE char(2048),
+  DD_SHORTDESC char(256),
+  constraint pk primary key(tx_from, dd_type,dd_source),
+  constraint nnn not null(DD_SHORTDESC)
+);
+%mp_makedata(work.example,obs=500)
+
+%mp_assert(
+  iftrue=("%mf_nobs(work.example)"="500"),
+  desc=Check that 500 rows were created,
+  outds=work.test_results
+)
+
+data _null_;
+  set work.example;
+  call symputx('lenvar',length(dd_source));
+  stop;
+run;
+%mp_assert(
+  iftrue=("&lenvar"="2048"),
+  desc=Check that entire length of variable is populated,
+  outds=work.test_results
+)
+
+
+proc sql;
+create table work.example2(
+  TX_FROM float format=datetime19.,
+  DD_TYPE char(16),
+  DD_SOURCE char(2048),
+  DD_SHORTDESC char(256),
+  some_num num
+);
+%mp_makedata(work.example2)
+
+%mp_assert(
+  iftrue=(&syscc=0),
+  desc=Ensure tables without keys still generate,
+  outds=work.test_results
+)