third_party/WebKit/LayoutTests/fast/dom/getter-on-window-object2.html

   1 <script src="../../resources/js-test.js"></script>
   2
   3 <script>
   4 description("This page tests what happens when a getter / setter on the window object conflicts with another property or declared variable");
   5
   6 var x = 1;
   7 try {
   8     window.__defineGetter__("x", function() { return "window.x __getter__"; });
   9 } catch(e) { debug(e); }
  10
  11 shouldBe("window.x", "1");
  12 shouldBe("typeof window.__lookupGetter__('x')", "'undefined'");
  13 shouldBe("typeof Object.getOwnPropertyDescriptor(window, 'x').get", "'undefined'");
  14 debug("");
  15
  16
  17 try {
  18 window.__defineSetter__("x", function() { debug("window.x __setter__ called"); });
  19 } catch(e) { debug(e); }
  20 x = 2;
  21
  22 shouldBe("window.x", "2");
  23 shouldBe("typeof window.__lookupGetter__('x')", "'undefined'");
  24 shouldBe("typeof Object.getOwnPropertyDescriptor(window, 'x').get", "'undefined'");
  25 debug("");
  26
  27
  28 window.y = 1;
  29 try {
  30     window.__defineGetter__("y", function() { return "window.y __getter__"; });
  31 } catch(e) { debug(e); }
  32
  33 shouldBe("window.y", "'window.y __getter__'");
  34 shouldBe("typeof window.__lookupGetter__('y')", "'function'");
  35 shouldBe("typeof Object.getOwnPropertyDescriptor(window, 'y').get", "'function'");
  36 debug("");
  37
  38
  39 try {
  40 window.__defineSetter__("y", function() { "window.y __setter__ called"; });
  41 } catch(e) { debug(e); }
  42 window.y = 2;
  43
  44 shouldBe("window.y", "'window.y __getter__'");
  45 shouldBe("typeof window.__lookupGetter__('y')", "'function'");
  46 shouldBe("typeof Object.getOwnPropertyDescriptor(window, 'y').get", "'function'");
  47 debug("");
  48
  49
  50 try {
  51 window.__defineSetter__("z", function() { "window.z __setter__ called"; });
  52 } catch(e) { debug(e); }
  53 window.z = 1;
  54
  55 shouldBeUndefined("window.z");
  56 shouldBe("typeof window.__lookupSetter__('z')", "'function'");
  57 shouldBe("typeof Object.getOwnPropertyDescriptor(window, 'z').set", "'function'");
  58
  59 </script>