test_proxies_via_xray.html

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https://bugzilla.mozilla.org/show_bug.cgi?id=1021066

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  <title>Test for Bug 1021066</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>

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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1021066">Mozilla Bug 1021066</a>

<p id="display"></p>

<div id="content" style="display: none">

<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_proxies_via_xray.html"></iframe>

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<pre id="test">

<script type="application/javascript">

/** Test for Bug 1021066 */

function test() {

  "use strict"; // So we'll get exceptions on sets

  var doc = document.getElementById("t").contentWindow.document;

  ok(!("x" in doc), "Should have an Xray here");

  is(doc.x, undefined, "Really should have an Xray here");

  is(doc.wrappedJSObject.x, 5, "And wrapping the right thing");

  // Test overridebuiltins binding without named setter

  is(doc.y, doc.getElementById("y"),

     "Named getter should work on Document");

  try {

    doc.z = 5;

    ok(false, "Should have thrown on set of readonly property on Document");

  } catch (e) {

    ok(/read-only/.test(e.message),

       "Threw the right exception on set of readonly property on Document");

  doc.w = 5;

  is(doc.w, 5, "Should be able to set things that are not named props");

  // Test non-overridebuiltins binding without named setter

  var l = doc.getElementsByTagName("img");

  is(l.y, doc.getElementById("y"),

     "Named getter should work on HTMLCollection");

  try {

    l.z = 5;

    ok(false, "Should have thrown on set of readonly property on HTMLCollection");

  } catch (e) {

    ok(/read-only/.test(e.message),

       "Should throw the right exception on set of readonly property on HTMLCollection");

  try {

    l[10] = 5;

    ok(false, "Should have thrown on set of indexed property on HTMLCollection");

  } catch (e) {

    ok(/doesn't have an indexed property setter/.test(e.message),

       "Should throw the right exception on set of indexed property on HTMLCollection");

  // Test overridebuiltins binding with named setter

  var d = doc.documentElement.dataset;

  d.foo = "bar";

  // Check that this actually got passed on to the underlying object.

  is(d.wrappedJSObject.foo, "bar",

     "Set should get forwarded to the underlying object");

  is(doc.documentElement.getAttribute("data-foo"), "bar",

     "Attribute setter should have been called");

  d.foo = "baz";

  // Check that this actually got passed on to the underlying object.

  is(d.wrappedJSObject.foo, "baz",

     "Set should get forwarded to the underlying object again");

  is(doc.documentElement.getAttribute("data-foo"), "baz",

     "Attribute setter should have been called again");

  // Test non-overridebuiltins binding with named setter

  var s = doc.defaultView.localStorage;

  s.test_proxies_via_xray = "bar";

  // Check that this actually got passed on to the underlying object.

  is(s.wrappedJSObject.test_proxies_via_xray, "bar",

     "Set should get forwarded to the underlying object without overridebuiltins");

  s.test_proxies_via_xray = "baz";

  // Check that this actually got passed on to the underlying object.

  is(s.wrappedJSObject.test_proxies_via_xray, "baz",

     "Set should get forwarded to the underlying object again without overridebuiltins");

  SimpleTest.finish();

SimpleTest.waitForExplicitFinish();

addLoadEvent(test);

</script>

</pre>

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