refactor: move angular source to /packages rather than modules/@angular

packages/benchpress/test/firefox_extension/sample_benchmark.ts

@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {$, browser} from 'protractor';
+
+const benchpress = require('../../index.js');
+const runner = new benchpress.Runner([
+  // use protractor as Webdriver client
+  benchpress.SeleniumWebDriverAdapter.PROTRACTOR_PROVIDERS,
+  // use RegressionSlopeValidator to validate samples
+  benchpress.Validator.bindTo(benchpress.RegressionSlopeValidator),
+  // use 10 samples to calculate slope regression
+  benchpress.bind(benchpress.RegressionSlopeValidator.SAMPLE_SIZE).toValue(20),
+  // use the script metric to calculate slope regression
+  benchpress.bind(benchpress.RegressionSlopeValidator.METRIC).toValue('scriptTime'),
+  benchpress.bind(benchpress.Options.FORCE_GC).toValue(true)
+]);
+
+describe('deep tree baseline', function() {
+  it('should be fast!', function(done) {
+    browser.ignoreSynchronization = true;
+    browser.get('http://localhost:8001/playground/src/benchpress/');
+
+    /*
+     * Tell benchpress to click the buttons to destroy and re-create the tree for each sample.
+     * Benchpress will log the collected metrics after each sample is collected, and will stop
+     * sampling as soon as the calculated regression slope for last 20 samples is stable.
+     */
+    runner
+        .sample({
+          id: 'baseline',
+          execute: function() { $('button').click(); },
+          providers: [benchpress.bind(benchpress.Options.SAMPLE_DESCRIPTION).toValue({depth: 9})]
+        })
+        .then(done, done.fail);
+  });
+});