Sync Navigator.getGamepads() with the spec

LayoutTests/gamepad/gamepad-polling-access.html

Index: LayoutTests/gamepad/gamepad-polling-access.html
diff --git a/LayoutTests/gamepad/gamepad-polling-access.html b/LayoutTests/gamepad/gamepad-polling-access.html
index 00e44716c4d7dece045199f90c208dfc01620578..bb2e68863ad9fba5c42e457a16ca5766cd3df373 100644
--- a/LayoutTests/gamepad/gamepad-polling-access.html
+++ b/LayoutTests/gamepad/gamepad-polling-access.html
@@ -19,25 +19,44 @@
         shouldBeUndefined("navigator.webkitGetGamepads()[2]");
         shouldBeUndefined("navigator.webkitGetGamepads()[3]");
 
-        shouldBe("navigator.getGamepads().length", "4");
-        shouldBeNull("navigator.getGamepads().item(0)");
-        shouldBeNull("navigator.getGamepads().item(1)");
-        shouldBeNull("navigator.getGamepads().item(2)");
-        shouldBeNull("navigator.getGamepads().item(3)");
-        shouldBeUndefined("navigator.getGamepads()[0]");
-        shouldBeUndefined("navigator.getGamepads()[1]");
-        shouldBeUndefined("navigator.getGamepads()[2]");
-        shouldBeUndefined("navigator.getGamepads()[3]");
+        shouldBeType("navigator.getGamepads()", "Array");
+        shouldBe("navigator.getGamepads().length", "0");
+        shouldBeFalse("navigator.getGamepads().hasOwnProperty(0)");
+        shouldBeFalse("navigator.getGamepads().hasOwnProperty(1)");
 
         // connect and disconnect
         gamepadController.connect(0);
         shouldBeNonNull("navigator.webkitGetGamepads()[0]");
-        shouldBeNonNull("navigator.getGamepads()[0]");
+        shouldBe("navigator.getGamepads().length", "1");
+        shouldBeTrue("navigator.getGamepads().hasOwnProperty(0)");
+        shouldBeType("navigator.getGamepads()[0]", "Gamepad");
+        shouldBe("navigator.getGamepads()[0].index", "0");
+        shouldBeFalse("navigator.getGamepads().hasOwnProperty(1)");
+        gamepadController.connect(1);
+        shouldBeNonNull("navigator.webkitGetGamepads()[0]");
+        shouldBeNonNull("navigator.webkitGetGamepads()[1]");
+        shouldBe("navigator.getGamepads().length", "2");
+        shouldBeTrue("navigator.getGamepads().hasOwnProperty(0)");
+        shouldBeType("navigator.getGamepads()[0]", "Gamepad");
+        shouldBe("navigator.getGamepads()[0].index", "0");
+        shouldBeTrue("navigator.getGamepads().hasOwnProperty(1)");
+        shouldBeType("navigator.getGamepads()[1]", "Gamepad");
+        shouldBe("navigator.getGamepads()[1].index", "1");
         gamepadController.disconnect(0);
         shouldBeNull("navigator.webkitGetGamepads().item(0)");
         shouldBeUndefined("navigator.webkitGetGamepads()[0]");
-        shouldBeNull("navigator.getGamepads().item(0)");
-        shouldBeUndefined("navigator.getGamepads()[0]");
+        shouldBe("navigator.getGamepads().length", "2");
+        shouldBeTrue("navigator.getGamepads().hasOwnProperty(0)"); // FIXME
+        shouldBeNull("navigator.getGamepads()[0]"); // FIXME
+        shouldBeTrue("navigator.getGamepads().hasOwnProperty(1)");
+        shouldBeType("navigator.getGamepads()[1]", "Gamepad");
+        shouldBe("navigator.getGamepads()[1].index", "1");
+        gamepadController.disconnect(1);
+        shouldBeNull("navigator.webkitGetGamepads().item(0)");
+        shouldBeUndefined("navigator.webkitGetGamepads()[0]");
+        shouldBe("navigator.getGamepads().length", "0");
+        shouldBeFalse("navigator.getGamepads().hasOwnProperty(0)");
+        shouldBeFalse("navigator.getGamepads().hasOwnProperty(1)");
 
         // connect again, and check standard access
         gamepadController.connect(0);