third_party/WebKit/LayoutTests/fast/dom/Window/window-function-name-getter-precedence.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4     <script src="resources/WindowProperties.js"></script>
   5     <script>
   6         if (window.testRunner)
   7             testRunner.dumpAsText();
   8
   9         function log(message, color)
  10         {
  11             var paragraph = document.createElement("div");
  12             paragraph.appendChild(document.createTextNode(message));
  13             paragraph.style.fontFamily = "monospace";
  14             if (color)
  15                 paragraph.style.color = color;
  16             document.getElementById("console").appendChild(paragraph);
  17         }
  18
  19         function shouldBe(a, b, printOnlyOnFailure)
  20         {
  21             var evalA;
  22             try {
  23                 evalA = eval(a);
  24             } catch(e) {
  25                 evalA = e;
  26             }
  27             if (evalA == b) {
  28                 if (!printOnlyOnFailure)
  29                     log("PASS: " + a + " should be " + b + " and is.", "green");
  30             } else
  31                 log("FAIL: " + a + " should be " + b + " but instead is " + evalA, "red");
  32         }
  33
  34         function testFunction(functionName)
  35         {
  36             var element = document.createElement('div');
  37             element.id = functionName;
  38             document.body.appendChild(element);
  39
  40             shouldBe("typeof window." + functionName, "function");
  41
  42             document.body.removeChild(element);
  43         }
  44
  45         function runTests()
  46         {
  47             for (var func in windowFunctions) {
  48                 testFunction(windowFunctions[func])
  49             }
  50
  51             window.myFunction = function() { return "myFunction"; }
  52             testFunction("myFunction");
  53             window.__proto__.myPrototypeFunction = function() { return "myPrototypeFunction"; }
  54             testFunction("myPrototypeFunction");
  55         }
  56     </script>
  57 </head>
  58 <body onload="runTests();">
  59     <p>This tests that functions of the window object and it's prototype have precedence in lookup over elements with id's of the same name.</p>
  60     <pre id="console"></pre>
  61 </body>
  62 </html>