Add fix for async object-creation / null bug (related to #144)

Author: geraintluff

express-site

@@ -1098,7 +1098,7 @@ SchemaList.prototype = {
 			origValue = callback;
 			callback = tmp;
 		}
-		if (typeof origValue !== 'undefined' && (typeof origValue !== 'object' || Array.isArray(origValue))) {
+		if (typeof origValue !== 'undefined' && (!origValue || typeof origValue !== 'object' || Array.isArray(origValue))) {
 			if (callback) callback(undefined);
 			return undefined;
 		}

jsonary/schemaset.js

@@ -92,7 +92,6 @@ tests.add("defining array items to match original", function () {
 	return true;
 });
 
-
 tests.add("defining array items, ignoring existing data", function () {
 	var thisTest = this;
 	var schema1 = Jsonary.createSchema({
@@ -105,6 +104,22 @@ tests.add("defining array items, ignoring existing data", function () {
 	});
 });
 
+tests.add("defining object, with null as existing data", function () {
+	var thisTest = this;
+	var schema1 = Jsonary.createSchema({
+		type: "object",
+		properties: {
+			"foo": {type: "boolean"}
+		},
+		required: ["foo"]
+	});
+	var origData = null;
+	schema1.createValue(origData, function (createdData) {
+		thisTest.assert(typeof createdData.foo === 'boolean', "data.foo is a boolean");
+		thisTest.pass();
+	});
+});
+
 tests.add("defining object properties inside array items (no constraints)", function () {
 	var schema1 = Jsonary.createSchema({
 		type: "array",