Validate correct Number format

* src/validate/formatter/Number.js
  (parse): Validate number format.

* test/validate/formatter/NumberTest.js: Modify accordingly.

src/validate/formatter/Number.js

@@ -109,11 +109,19 @@ module.exports = Trait( 'Number' )
      * @param {string} data data to parse
      *
      * @return {string} data formatted for storage
+     *
+     * @throws Error if number is not of a valid format
      */
     'virtual abstract override public parse': function( data )
     {
-        var cleaned = this.__super( data ).replace( /[ ,]/g, '' ),
-            parts   = this.split( cleaned );
+        var cleaned = this.__super( data ).replace( /[ ,]/g, '' );
+
+        if ( !/^[0-9]*(\.[0-9]*)?$/.test( cleaned ) )
+        {
+            throw Error( "Invalid number: " + data );
+        }
+
+        var parts   = this.split( cleaned );
 
         return parts.integer + this.scale( parts.significand, this._scale );
     },

test/validate/formatter/NumberTest.js

@@ -42,6 +42,10 @@ describe( 'validate.formatter.Number', function()
         // strip decimals
         "1.234":       [ "1",     "1"      ],
         "  1,  ,.":    [ "1",     "1"      ],
+
+        // non-numbers
+        "foo":    false,
+        "123foo": false,
     } );
 
 
@@ -62,6 +66,10 @@ describe( 'validate.formatter.Number', function()
 
         "12,345":      [ "12345.000", "12,345.000" ],
         "  1,  ,.":    [ "1.000",     "1.000"      ],
+
+        // non-numbers
+        "1.foo":      false,
+        "123foo.012": false,
     } );