third_party/WebKit/LayoutTests/fast/js/pic/delete-global-object.html

   1 <p>
   2 This page tests for correct behavior in the case of a global object that has
   3 had a property deleted. If the test passes, you'll see a PASS message below.
   4 </p>
   5
   6 <pre id="console"></pre>
   7
   8 <script>
   9 (function() {
  10     if (window.testRunner)
  11         testRunner.dumpAsText();
  12
  13     function log(s)
  14     {
  15         if (this.document)
  16             document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
  17         else
  18             print(s + "\n");
  19     }
  20
  21     function shouldBe(a, aDescription, b)
  22     {
  23         if (a === b) {
  24             log("PASS: " + aDescription + " should be " + b + " and is.");
  25         } else {
  26             log("FAIL: " + aDescription + " should be " + b + " but instead is " + a + ".");
  27         }
  28     }
  29
  30     a = 1;
  31     delete a;
  32     y = "";
  33     window.__defineGetter__("x", function() { return y; });
  34     x;
  35     window.__defineGetter__("y", function() { return 42; });
  36
  37     shouldBe(x, "x", 42);
  38 })();
  39 </script>