third_party/WebKit/LayoutTests/storage/domstorage/sessionstorage/delete-removal.html

   1 <html>
   2 <head>
   3 <script src="resources/clearSessionStorage.js"></script>
   4 <script>
   5
   6 if (window.testRunner)
   7     testRunner.dumpAsText();
   8
   9 function log(a)
  10 {
  11     document.getElementById('logger').appendChild(document.createTextNode(a));
  12     document.getElementById('logger').appendChild(document.createElement("br"));
  13 }
  14
  15 function runTest()
  16 {
  17     if (!window.sessionStorage) {
  18         log("window.sessionStorage DOES NOT exist");
  19         return;
  20     }
  21
  22     log("foo (before anything) is: " + sessionStorage.foo);
  23     sessionStorage.foo = "bar";
  24     log("foo (after a named property setter set) is: " + sessionStorage.foo);
  25     delete sessionStorage.foo;
  26     log("foo (after a delete) is: " + sessionStorage.foo);
  27     sessionStorage["foo"] = "bar";
  28     log("foo (after an indexed setter set) is: " + sessionStorage.foo);
  29     delete sessionStorage.FOO;
  30     log("foo (after deleting FOO (not foo)) is : " + sessionStorage.foo);
  31     delete sessionStorage.foo;
  32     log("foo (after a delete) is: " + sessionStorage.foo);
  33     sessionStorage.setItem("foo", "bar");
  34     log("foo (after calling setItem) is: " + sessionStorage.foo);
  35     delete sessionStorage.foo;
  36     log("foo (after a delete) is: " + sessionStorage.foo);
  37     delete sessionStorage.foo;
  38     log("foo (after a redundant delete) is: " + sessionStorage.foo);
  39     sessionStorage.foo = "bar";
  40     log("foo (after a named property setter set) is: " + sessionStorage.foo);
  41     delete sessionStorage["foo"];
  42     log("foo (after an indexed delete) is: " + sessionStorage.foo);
  43 }
  44
  45 </script>
  46 </head>
  47 <body onload="runTest();">
  48 This test makes sure that using the syntax `delete sessionStorage.keyName` works as an alias to `sessionStorage.removeItem(keyName).`<br><hr>
  49 <div id="logger"></div>
  50 </body>
  51 </html>