diff --git a/test/smoke/bad-property.html b/test/smoke/bad-property.html
new file mode 100644
index 0000000000..07cd89ebd0
--- /dev/null
+++ b/test/smoke/bad-property.html
@@ -0,0 +1,96 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title></title>
+    <link rel="import" href="../../polymer.html">
+  </head>
+  <body>
+    <dom-module id="bad-parent">
+      <template>
+        <bad-child-one value="{{value}}"></bad-child-one>
+      </template>
+      <script>
+      Polymer({
+        is: 'bad-parent',
+        properties: {
+          value: {
+            type: Number,
+            value: null
+          }
+        }
+      });
+      </script>
+    </dom-module>
+    <dom-module id="bad-child-one">
+      <template>
+        <bad-child-two value="[[immediateValue]]"></bad-child-two>
+      </template>
+      <script>
+      Polymer({
+        is: 'bad-child-one',
+        properties: {
+          value: {
+            type: Number,
+            value: 0,
+            notify: true,
+            reflectToAttribute: true
+          },
+          immediateValue: {
+            value: 0,
+            type: Number,
+            notify: true,
+            readOnly: true
+          }
+        },
+        observers: [
+          'validate(value)',
+          'valueChanged(value)',
+          'immediateValueChanged(immediateValue)'
+        ],
+        valueChanged: function(value) {
+          this._setImmediateValue(value);
+        },
+        immediateValueChanged: function() {
+          this.value = this.immediateValue;
+        },
+        bound: function(input) {
+          return Math.min(100, Math.max(0, parseFloat(input)));
+        },
+        validate: function() {
+          var v = this.bound(this.value);
+          this.value = this.oldValue = isNaN(v) ? this.oldValue : v;
+          return this.value !== v;
+        }
+      });
+      </script>
+    </dom-module>
+    <dom-module id="bad-child-two">
+      <script>
+      Polymer({
+        is: 'bad-child-two',
+        properties: {
+          value: {
+            type: Number,
+            value: 0,
+            notify: true,
+            reflectToAttribute: true
+          }
+        },
+        observers: [
+          'validate(value)',
+        ],
+        bound: function(input) {
+          return Math.min(100, Math.max(0, parseFloat(input)));
+        },
+        validate: function() {
+          var v = this.bound(this.value);
+          this.value = this.oldValue = isNaN(v) ? this.oldValue : v;
+          return this.value !== v;
+        }
+      });
+      </script>
+    </dom-module>
+    <bad-parent></bad-parent>
+  </body>
+</html>
