test_named_getter_enumerability.html

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<!DOCTYPE html>

<meta charset=utf-8>

<title>Test for named getter enumerability</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<script>

/* global test, assert_equals, assert_true, assert_false, assert_not_equals */

test(function() {

  var list = document.getElementsByTagName("div");

  var desc = Object.getOwnPropertyDescriptor(list, "0");

  assert_equals(typeof desc, "object", "Should have a '0' property");

  assert_true(desc.enumerable, "'0' property should be enumerable");

  desc = Object.getOwnPropertyDescriptor(list, "log");

  assert_equals(typeof desc, "object", "Should have a 'log' property");

  assert_false(desc.enumerable, "'log' property should not be enumerable");

}, "Correct getOwnPropertyDescriptor behavior");

test(function() {

  var list = document.getElementsByTagName("div");

  var props = [];

  for (var prop in list) {

    props.push(prop);

  assert_not_equals(props.indexOf("0"), -1, "Should enumerate '0'");

  assert_equals(props.indexOf("log"), -1, "Should not enumerate 'log'");

}, "Correct enumeration behavior");

test(function() {

  var list = document.getElementsByTagName("div");

  var props = Object.keys(list);

  assert_not_equals(props.indexOf("0"), -1, "Keys should contain '0'");

  assert_equals(props.indexOf("log"), -1, "Keys should not contain 'log'");

}, "Correct keys() behavior");

test(function() {

  var list = document.getElementsByTagName("div");

  var props = Object.getOwnPropertyNames(list);

  assert_not_equals(props.indexOf("0"), -1,

                    "own prop names should contain '0'");

  assert_not_equals(props.indexOf("log"), -1,

                    "own prop names should contain 'log'");

}, "Correct getOwnPropertyNames() behavior");

</script>