add validate function for 'subplotid' val types

Author: etpinard

src/lib/coerce.js

@@ -177,6 +177,18 @@ exports.valObjects = {
                 return;
             }
             propOut.set(dflt);
+        },
+        validateFunction: function(v, opts) {
+            var dflt = opts.dflt,
+                dlen = dflt.length;
+
+            if(v === dflt) return true;
+            if(typeof v !== 'string') return false;
+            if(v.substr(0, dlen) === dflt && idRegex.test(v.substr(dlen))) {
+                return true;
+            }
+
+            return false;
         }
     },
     flaglist: {

test/jasmine/tests/lib_test.js

@@ -938,14 +938,8 @@ describe('Test lib.js:', function() {
         });
 
         it('should work for valType \'subplotid\' where', function() {
-            var shouldPass = ['sp', 'sp1', 'sp4'],
-                shouldFail = [{}, [], 'sp0', 'spee1', null, undefined];
-
-            // This fails because coerceFunction depends on dflt
-            // having a length.
-            //
-            // Solution: don't use dflt as base string ->
-            // add other options to valObject
+            var shouldPass = ['sp', 'sp4', 'sp10'],
+                shouldFail = [{}, [], 'sp1', 'sp0', 'spee1', null, undefined, true];
 
             assert(shouldPass, shouldFail, {
                 valType: 'subplotid',