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third_party/polymer/components/iron-a11y-keys-behavior/test/basic-test.html

Index: third_party/polymer/components/iron-a11y-keys-behavior/test/basic-test.html
diff --git a/third_party/polymer/components/iron-a11y-keys-behavior/test/basic-test.html b/third_party/polymer/components/iron-a11y-keys-behavior/test/basic-test.html
index d53b6009fc2677fa1bb94e0ccfc635a9d5b772fc..d0c2dc35f95289255027ae27eff6c76d24021a1c 100644
--- a/third_party/polymer/components/iron-a11y-keys-behavior/test/basic-test.html
+++ b/third_party/polymer/components/iron-a11y-keys-behavior/test/basic-test.html
@@ -171,15 +171,13 @@ suite('Polymer.IronA11yKeysBehavior', function() {
       MockInteractions.pressSpace(keys);
 
       expect(keys.keyCount).to.be.equal(1);
+    });
 
-      MockInteractions.pressAndReleaseKeyOn(keys, 27, [], 'Esc');
-      expect(keys.keyCount).to.be.equal(2);
-
-      MockInteractions.pressAndReleaseKeyOn(keys, 27, [], 'Escape');
-      expect(keys.keyCount).to.be.equal(3);
+    test('keyEventTarget can be null, and disables listeners', function() {
+      keys.keyEventTarget = null;
+      MockInteractions.pressSpace(keys);
 
-      MockInteractions.pressAndReleaseKeyOn(keys, 27, []);
-      expect(keys.keyCount).to.be.equal(4);
+      expect(keys.keyCount).to.be.equal(0);
     });
 
     test('trigger the handler when the specified key is pressed together with a modifier', function() {
@@ -191,12 +189,22 @@ suite('Polymer.IronA11yKeysBehavior', function() {
     });
 
     test('handles special character @', function() {
-      var event = new CustomEvent('keydown');
-      event.key = '@';
-      keys.dispatchEvent(event);
+      MockInteractions.pressAndReleaseKeyOn(keys, undefined, [], '@');
+
       expect(keys.keyCount).to.be.equal(1);
     });
 
+    test('handles variations of Esc key', function() {
+      MockInteractions.pressAndReleaseKeyOn(keys, undefined, [], 'Esc');
+      expect(keys.keyCount).to.be.equal(1);
+
+      MockInteractions.pressAndReleaseKeyOn(keys, undefined, [], 'Escape');
+      expect(keys.keyCount).to.be.equal(2);
+
+      MockInteractions.pressAndReleaseKeyOn(keys, 27, [], '');
+      expect(keys.keyCount).to.be.equal(3);
+    });
+
     test('do not trigger the handler for non-specified keys', function() {
       MockInteractions.pressEnter(keys);
 
@@ -423,6 +431,15 @@ suite('Polymer.IronA11yKeysBehavior', function() {
     });
   });
 
+  suite('remove key behavior with null target', function () {
+    test('add and remove a iron-a11y-keys-behavior', function () {
+      var element = document.createElement('x-a11y-basic-keys');
+      element.keyEventTarget = null;
+      document.body.appendChild(element);
+      document.body.removeChild(element);
+    });
+  });
+
 });
   </script>
 </body>