perf(benchmarks): measure cost of Injector init with a variety of bindings

modules/benchmarks/src/di/di_benchmark.html

@@ -16,6 +16,7 @@
 <button id="getByKey">getByKey</button>
 <button id="getChild">getChild</button>
 <button id="instantiate">instantiate</button>
+<button id="createVariety">createVariety</button>
 </div>
 
 $SCRIPTS$

modules/benchmarks/src/di/di_benchmark.js

@@ -1,4 +1,4 @@
-import {Injectable, Injector, Key} from "angular2/di";
+import {Injectable, Injector, Key, bind} from "angular2/di";
 import {reflector} from 'angular2/src/reflection/reflection';
 import {ReflectionCapabilities} from 'angular2/src/reflection/reflection_capabilities';
 import {getIntParameter, bindAction, microBenchmark} from 'angular2/src/test_lib/benchmark_util';
@@ -27,7 +27,14 @@ export function main() {
     createChild([]).
     createChild([]);
 
-  function getByToken () {
+  var variousBindings = [
+    A,
+    bind(B).toClass(C),
+    [D, [E]],
+    bind(F).toValue(6)
+  ];
+
+  function getByToken() {
     for (var i = 0; i < iterations; ++i) {
       injector.get(D);
       injector.get(E);
@@ -40,20 +47,29 @@ export function main() {
     }
   }
 
-  function getChild () {
+  function getChild() {
     for (var i = 0; i < iterations; ++i) {
       childInjector.get(D);
       childInjector.get(E);
     }
   }
 
-  function instantiate () {
+  function instantiate() {
     for (var i = 0; i < iterations; ++i) {
       var child = injector.createChild([E]);
       child.get(E);
     }
   }
 
+  /**
+   * Creates an injector with a variety of binding types.
+   */
+  function createVariety() {
+    for (var i = 0; i < iterations; ++i) {
+      new Injector(variousBindings);
+    }
+  }
+
   bindAction(
     '#getByToken',
     () => microBenchmark('injectAvg', iterations, getByToken)
@@ -70,6 +86,10 @@ export function main() {
     '#instantiate',
     () => microBenchmark('injectAvg', iterations, instantiate)
   );
+  bindAction(
+    '#createVariety',
+    () => microBenchmark('injectAvg', iterations, createVariety)
+  );
 }
 
 
@@ -108,3 +128,10 @@ class E {
     count++;
   }
 }
+
+@Injectable()
+class F {
+  constructor(e:E, d:D) {
+    count++;
+  }
+}