Merge pull request #726 from domoritz/master

Fix #725

lib/dot/uniqueItems.jst

@@ -34,7 +34,7 @@
       for (;i--;) {
         var item = {{=$data}}[i];
         if (typeof item != '{{=$itemType}}') continue;
-        if (itemIndices[item] !== undefined) {
+        if (typeof itemIndices[item] == 'number') {
           {{=$valid}} = false;
           j = itemIndices[item];
           break;

spec/tests/rules/uniqueItems.json

@@ -11,6 +11,11 @@
         "data": ["foo", "bar", "baz"],
         "valid": true
       },
+      {
+        "description": "array of unique items with strings that are properties of hash are valid",
+        "data": ["toString", "foo"],
+        "valid": true
+      },
       {
         "description": "array of non-unique strings are invalid",
         "data": ["foo", "bar", "bar"],