Import latest web-platform-tests

third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/untriaged/testcommon.js

-// Copyright 2012 Google Inc. All Rights Reserved.
-
-/*
-Distributed under both the W3C Test Suite License [1] and the W3C
-3-clause BSD License [2]. To contribute to a W3C Test Suite, see the
-policies and contribution forms [3].
-
-[1] http://www.w3.org/Consortium/Legal/2008/04-testsuite-license
-[2] http://www.w3.org/Consortium/Legal/2008/03-bsd-license
-[3] http://www.w3.org/2004/10/27-testcases
-*/
-
-"use strict";
-
-var HTML5_ELEMENT_NAMES = [
-    'a', 'abbr', 'address', 'area', 'article', 'aside', 'audio',
-    'b', 'base', 'bdi', 'bdo', 'blockquote', 'body', 'br', 'button',
-    'canvas', 'caption', 'cite', 'code', 'col', 'colgroup', 'command',
-    'datalist', 'dd', 'del', 'details', 'dfn', 'dialog', 'div', 'dl', 'dt',
-    'em', 'embed',
-    'fieldset', 'figcaption', 'figure', 'footer', 'form',
-    'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr',
-    'html',
-    'i', 'iframe', 'img', 'input', 'ins', 'kbd', 'keygen',
-    'label', 'legend', 'li', 'link',
-    'map', 'mark', 'menu', 'meta', 'meter',
-    'nav', 'noscript',
-    'object', 'ol', 'optgroup', 'option', 'output',
-    'p', 'param', 'pre', 'progress',
-    'q',
-    'rp', 'rt', 'ruby',
-    's', 'samp', 'script', 'section', 'select', 'small', 'source', 'span',
-    'strong', 'style', 'sub',
-    'table', 'tbody', 'td', 'textarea', 'tfoot', 'th', 'thead', 'time',
-    'title', 'tr', 'track',
-    'u', 'ul',
-    'var', 'video',
-    'wbr'
-];
-
-// http://www.whatwg.org/specs/web-apps/current-work/multipage/forms.html#form-associated-element
-var HTML5_FORM_ASSOCIATED_ELEMENTS = ['button', 'fieldset', 'input', 'keygen', 'label',
-                                      'object', 'output', 'select', 'textarea'];
-
-// Whether to work around vendor prefixes.
-var USE_VENDOR_SPECIFIC_WORKAROUND = true;
-
-function activateVendorSpecificWorkaround() {
-    if (Element.prototype.webkitCreateShadowRoot &&
-        !Element.prototype.createShadowRoot) {
-        Element.prototype.createShadowRoot =
-            Element.prototype.webkitCreateShadowRoot;
-
-        Object.defineProperty(Element.prototype, 'pseudo', {
-            get: function () { return this.webkitPseudo; },
-            set: function (value) { return this.webkitPseudo = value; }
-        });
-
-        Object.defineProperty(Element.prototype, 'shadowRoot', {
-            get: function () { return this.webkitShadowRoot; }
-        });
-    }
-}
-
-if (USE_VENDOR_SPECIFIC_WORKAROUND)
-    activateVendorSpecificWorkaround();
-
-// ----------------------------------------------------------------------------
-// Deprecated: The code below is preserved only for the existing tests that are
-// using it. Now vendor prefixes are handled in a way that does not require
-// manual intervention. New tests should just use unprefixed APIs and you
-// are all set.
-//
-// These functions will eventually be removed when no tests use them.
-
-function ShadowDomNotSupportedError() {
-    this.message = "Shadow DOM is not supported";
-}
-
-// To allow using of both prefixed and non-prefixed API we do
-// the following hook
-function addPrefixed(element) {
-        if (element && !element.pseudo) {
-                Object.defineProperty(element, 'pseudo', {
-                          get: function () { return element.webkitPseudo; },
-                          set: function (value) { return element.webkitPseudo = value; }
-                });
-        }
-}
-
-function addDocumentPrefixed(d) {
-        if (d) {
-                if (d.body) {
-                    addPrefixed(d.body);
-                }
-                if (d.head) {
-                    addPrefixed(d.head);                        
-                }
-                if (d.documentElement) {
-                        addPrefixed(d.documentElement);
-                }
-                d.oldCreate = d.createElement;
-                d.createElement = function(tagName) {
-                        var el = d.oldCreate(tagName);
-                        addPrefixed(el);
-                        return el;
-                };              
-        }       
-}
-
-
-function rethrowInternalErrors(e) {
-    if (e instanceof ShadowDomNotSupportedError) {
-        throw e;
-    }
-
-}
-
-function newDocument() {
-    var d = document.implementation.createDocument(
-        'http://www.w3.org/1999/xhtml', 'html');
-    //FIXME remove the call below when non-prefixed API is used
-    addDocumentPrefixed(d);
-    return d;        
-}
-
-function newHTMLDocument() {
-        var d = document.implementation.createHTMLDocument('Test Document');
-    //FIXME remove the call below when non-prefixed API is used
-    addDocumentPrefixed(d);
-    return d;
-}
-
-function newIFrame(ctx, src) {
-    if (typeof(ctx) == 'undefined' || typeof (ctx.iframes) != 'object') {
-        assert_unreached('Illegal context object in newIFrame');
-    }
-
-    var iframe = document.createElement('iframe');
-    if (!ctx.debug) {
-        iframe.style.display = 'none';
-    }
-    if (typeof(src) != 'undefined') {
-        iframe.src = src;
-    }
-    document.body.appendChild(iframe);
-    ctx.iframes.push(iframe);
-
-    assert_true(typeof(iframe.contentWindow) != 'undefined'
-        && typeof(iframe.contentWindow.document) != 'undefined'
-        && iframe.contentWindow.document != document, 'Failed to create new rendered document'
-    );
-    return iframe;
-}
-function newRenderedHTMLDocument(ctx) {
-    var frame = newIFrame(ctx);
-    var d = frame.contentWindow.document;
-    //FIXME remove the call below when non-prefixed API is used
-    addDocumentPrefixed(d);
-    return d;    
-}
-
-// End deprecated.
-// ----------------------------------------------------------------------------
-
-function newContext() {
-    return {iframes:[]};
-}
-
-function cleanContext(ctx) {
-    if (!ctx.debug) {
-        ctx.iframes.forEach(function (e) {
-            e.parentNode.removeChild(e);
-        });
-    }
-}
-
-function unit(f) {
-    return function () {
-        var ctx = newContext();
-        try {
-            f(ctx);
-        } finally {
-            cleanContext(ctx);
-        }
-    }
-}
-
-function step_unit(f, ctx, t) {
-    return function () {
-        var done = false;
-        try {
-            f();
-            done = true;
-        } finally {
-            if (done) {
-                t.done();
-            }
-            cleanContext(ctx);
-        }
-    }
-}
-
-function assert_nodelist_contents_equal_noorder(actual, expected, message) {
-    assert_equals(actual.length, expected.length, message);
-    var used = [];
-    for (var i = 0; i < expected.length; i++) {
-        used.push(false);
-    }
-    for (i = 0; i < expected.length; i++) {
-        var found = false;
-        for (var j = 0; j < actual.length; j++) {
-            if (used[j] == false && expected[i] == actual[j]) {
-                used[j] = true;
-                found = true;
-                break;
-            }
-        }
-        if (!found) {
-            assert_unreached(message + ". Fail reason:  element not found: " + expected[i]);
-        }
-    }
-}
-
-
-//Example taken from http://www.w3.org/TR/shadow-dom/#event-retargeting-example
-function createTestMediaPlayer(d) {
-    d.body.innerHTML = '' +
-        '<div id="player">' +
-                '<input type="checkbox" id="outside-control">' +
-                '<div id="player-shadow-host">' +
-            '</div>' +
-        '</div>';
-
-        var playerShadowRoot = d.querySelector('#player-shadow-host').createShadowRoot();
-        playerShadowRoot.innerHTML = '' +
-                '<div id="controls">' +
-                        '<button class="play-button">PLAY</button>' +
-                        '<div tabindex="0" id="timeline">' +
-                                '<div id="timeline-shadow-host">' +
-                                '</div>' +
-                        '</div>' +
-                    '<div class="volume-slider-container" id="volume-slider-container">' +
-                        '<div tabindex="0" class="volume-slider" id="volume-slider">' +
-                            '<div id="volume-shadow-host">' +
-                            '</div>' +
-                        '</div>' +
-                    '</div>' +
-                '</div>';
-
-        var timeLineShadowRoot = playerShadowRoot.querySelector('#timeline-shadow-host').createShadowRoot();
-        timeLineShadowRoot.innerHTML =  '<div class="slider-thumb" id="timeline-slider-thumb"></div>';
-
-        var volumeShadowRoot = playerShadowRoot.querySelector('#volume-shadow-host').createShadowRoot();
-        volumeShadowRoot.innerHTML = '<div class="slider-thumb" id="volume-slider-thumb"></div>';
-
-        return {
-                'playerShadowRoot': playerShadowRoot,
-                'timeLineShadowRoot': timeLineShadowRoot,
-                'volumeShadowRoot': volumeShadowRoot
-                };
-}
-
-//FIXME This call of initKeyboardEvent works for WebKit-only.
-//See https://bugs.webkit.org/show_bug.cgi?id=16735
-// and https://bugs.webkit.org/show_bug.cgi?id=13368. Add check for browser here
-function fireKeyboardEvent(doc, element, key) {
-    var event = doc.createEvent('KeyboardEvent');
-    event.initKeyboardEvent("keydown", true, true, doc.defaultView, key, 0, false, false, false, false);
-    element.dispatchEvent(event);
-}