Yay everything is working

index.js

@@ -201,24 +201,30 @@ util.inherits(StringField, Field);
 
 function NumberField(opts){
     NumberField.super_.call(this, opts);
+    this.filters = ['toInt'];
 }
 util.inherits(NumberField, Field);
 
 function BooleanField(opts){
     BooleanField.super_.call(this, opts);
+    this.filters = ['toBoolean'];
 }
 util.inherits(BooleanField, Field);
 
 // Cast a field to a proper Date object.
 // Doesn't matter if its a string format or epoch.
 function DateField(opts){
     DateField.super_.call(this, opts);
+    this.filters = [this.castDate.bind(this)];
 }
 util.inherits(DateField, Field);
 
-DateField.prototype.set = function(val){
-    this.value = new Date(Number(val));
-    return this;
+DateField.prototype.castDate = function(val){
+    if(val){
+        var ms = parseInt(val, 10);
+        return new Date((isNaN(ms) ? val : ms));
+    }
+    return val;
 };
 
 module.exports = exports;

test/index.test.js

@@ -81,9 +81,53 @@ describe('forro', function(){
         assert.equal(form.val('username'), 'a');
     });
 
-    it('should correctly cast Date fields from strings');
+    it('should cast numbers', function(){
+        var PizzaForm = forro({
+            'quantity': forro.number()
+        }), form;
+        form = new PizzaForm({'quantity': '  1  '}).validate();
+        assert.equal(form.val('quantity'), 1);
+    });
+
+    it('should cast booleans', function(){
+        var PizzaForm = forro({
+            'hasExtraToppings': forro.boolean(),
+            'wantItNow': forro.boolean(),
+            'breadsticks': forro.boolean()
+        }), form;
+
+        form = new PizzaForm({
+            'hasExtraToppings': '  1  ',
+            'wantItNow': 'oh yeah',
+            'breadsticks': 'false'
+        }).validate();
+
+        assert.deepEqual(form.val('hasExtraToppings'), true);
+        assert.deepEqual(form.val('wantItNow'), true);
+        assert.deepEqual(form.val('breadsticks'), false);
+    });
 
-    it('should correctly cast Date fields from timestamps as strings');
+    it('should correctly cast Date fields from strings', function(){
+        var PizzaForm = forro({
+            'orderPlaced': forro.date()
+        }), form, when = new Date();
 
-    it('should not automatically supply a default value if none specified');
+        form = new PizzaForm({
+            'orderPlaced': when.toUTCString()
+        }).validate();
+
+        assert.equal(form.val('orderPlaced').toUTCString(), when.toUTCString());
+    });
+
+    it('should correctly cast Date fields from timestamps as strings', function(){
+        var PizzaForm = forro({
+            'orderPlaced': forro.date()
+        }), form, when = new Date();
+
+        form = new PizzaForm({
+            'orderPlaced': when.getTime()
+        }).validate();
+
+        assert.equal(form.val('orderPlaced').toUTCString(), when.toUTCString());
+    });
 });