third_party/WebKit/LayoutTests/http/tests/devtools/console/console-format-collections.js

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

(async function() {
  TestRunner.addResult(`Tests that console nicely formats HTML Collections, NodeLists and DOMTokenLists.\n`);

  await TestRunner.loadModule('console_test_runner');
  await TestRunner.showPanel('console');

  await TestRunner.loadHTML(`
    <div style="display:none" class="c1 c2 c3">
        <form id="f">
            <select id="sel" name="sel">
                <option value="1">one</option>
                <option value="2">two</option>
            </select>
            <input type="radio" name="x" value="x1"> x1
            <input type="radio" name="x" value="x2"> x2
        </form>
    </div>
  `);

  await TestRunner.evaluateInPagePromise(`
    function logToConsole()
    {
        var formElement = document.getElementById("f");
        var selectElement = document.getElementById("sel");
        var spanElement = document.getElementById("span");

        // NodeList
        var nodelist = document.getElementsByTagName("select");
        console.log(nodelist);

        // HTMLCollection
        var htmlcollection = document.head.children;
        console.log(htmlcollection);

        // HTMLOptionsCollection
        var options = selectElement.options;
        console.log(options);

        // HTMLAllCollection
        var all = document.all;
        console.log(all);

        // HTMLFormControlsCollection (currently shows HTMLCollection)
        var formControls = formElement.elements;
        console.log(formControls);

        // RadioNodeList
        var radioNodeList = formElement.x;
        console.log(radioNodeList);

        // Cross-referencing arrays.
        var arrayX = [1];
        var arrayY = [2, arrayX];
        arrayX.push(arrayY);
        console.log(arrayX);

        var nonArray = new NonArrayWithLength();
        console.log(nonArray);

        // Arguments
        function generateArguments(foo, bar)
        {
            return arguments;
        }
        console.log(generateArguments(1, "2"));

        // DOMTokenList
        var div = document.getElementsByTagName("div")[0];
        console.log(div.classList);

        // Array-like's.
        console.log(new ArrayLike(5));
        console.log(new ArrayLike(0xFFFFFFFF));
        // Array-like's with wrong length.
        console.log(new ArrayLike(-5));
        console.log(new ArrayLike(5.6));
        console.log(new ArrayLike(NaN));
        console.log(new ArrayLike(Infinity));
        console.log(new ArrayLike(-0));
        console.log(new ArrayLike(0xFFFFFFFF + 1));
    }

    logToConsole();
    function NonArrayWithLength()
    {
        this.keys = [];
    }

    NonArrayWithLength.prototype.__defineGetter__("length", function()
    {
        console.log("FAIL: 'length' should not be called");
        return this.keys.length;
    });

    function ArrayLike(length)
    {
        this.length = length;
    }
    ArrayLike.prototype.splice = function() {};
  `);

  TestRunner.evaluateInPage('logToConsole()', callback);

  function callback() {
    ConsoleTestRunner.dumpConsoleMessages();
    TestRunner.completeTest();
  }
})();