[polymer] import all elements

pkg/polymer/lib/elements/web-animations-js/tutorial/tutorial-testing.js

+/*
+ * Copyright 2013 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+"use strict";
+
+(function() {
+var pass;
+var completedTests;
+var allDone;
+var numTests;
+
+// Call to initialize the testing environment.
+function setupTutorialTests() {
+  setState("Manual");
+  var timeOfAnimation = document.createElement('div');
+  timeOfAnimation.id = "animViewerText";
+  timeOfAnimation.innerHTML = "Current animation time: 0.00";
+  document.body.appendChild(timeOfAnimation);
+  numTests = 0;
+  completedTests = 0;
+  allDone = false;
+  pass = true;
+}
+
+// This function mimics the async_test function in testharness.js so that
+// extra-asserts.js will run as intended for a tutorial.
+function async_test(func, name, properties) {
+  numTests++;
+  step = function(func) {
+    func();
+    if (!pass) {
+      parent.TryItDisplay.fail();
+      allDone = true;
+    };
+  };
+
+  done = function() {
+    completedTests++;
+    if (completedTests == numTests && !allDone) {
+      allDone = true;
+      parent.TryItDisplay.pass();
+    };
+  };
+  return this;
+}   
+
+function assert_equals(actual, expected, description) {
+  pass = (actual == expected);
+}
+
+function assert_approx_equals(actual, expected, epsilon, description) {
+  var lowerBound = expected - (epsilon / 2) < actual;
+  var upperBound = expected + (epsilon / 2) > actual;
+  pass = (lowerBound && upperBound);
+}
+
+// This function is required to do nothing for tutorial testing,
+// but extra-asserts calls it and thus without this function, 
+// extra-asserts.js will cause the page to crash.
+function add_completion_callback(anything) {
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//  Exposing functions to be accessed externally                             //
+///////////////////////////////////////////////////////////////////////////////
+
+window.setupTutorialTests = setupTutorialTests;
+window.async_test = async_test;
+window.assert_approx_equals = assert_approx_equals;
+window.assert_equals = assert_equals;
+window.add_completion_callback = add_completion_callback;
+})();