Update the Angular/DI tests to latest from github.

third_party/pkg/angular/lib/mock/http_backend.dart

 part of angular.mock;
 
 class _MockXhr {
   var $$method, $$url, $$async, $$reqHeaders, $$respHeaders;
 
-  open(method, url, async) {
+  void open(method, url, async) {
     $$method = method;
     $$url = url;
     $$async = async;
     $$reqHeaders = {};
     $$respHeaders = {};
   }
 
   var $$data;
 
-  send(data) {
+  void send(data) {
     $$data = data;
   }
 
-  setRequestHeader(key, value) {
+  void setRequestHeader(key, value) {
     $$reqHeaders[key] = value;
   }
 
-  getResponseHeader(name) {
-    // the lookup must be case insensitive, that's why we try two quick lookups and full scan at last
-    if ($$respHeaders.containsKey(name)) {
-      return $$respHeaders[name];
-    }
+  String getResponseHeader(name) {
+    // the lookup must be case insensitive, that's why we try two quick
+    // lookups and full scan at last
+    if ($$respHeaders.containsKey(name)) return $$respHeaders[name];
 
     name = name.toLowerCase();
-    if ($$respHeaders.containsKey(name)) {
-      return $$respHeaders[name];
-    }
+    if ($$respHeaders.containsKey(name)) return $$respHeaders[name];
 
     String header = null;
     $$respHeaders.forEach((headerName, headerVal) {
       if (header != null) return;
       if (headerName.toLowerCase()) header = headerVal;
     });
     return header;
   }
 
   getAllResponseHeaders() {
     if ($$respHeaders == null) return '';
 
     var lines = [];
 
     $$respHeaders.forEach((key, value) {
       lines.add("$key: $value");
     });
     return lines.join('\n');
   }
 
   // noop
   abort() {}
 }
 
 /**
  * An internal class used by [MockHttpBackend].
  */
 class MockHttpExpectation {
-
-  var method, url, data, headers;
+  final method;
+  final url;
+  final data;
+  final headers;
 
   var response;
 
   MockHttpExpectation(this.method, this.url, [this.data, this.headers]);
 
-  match(m, u, [d, h]) {
-    if (method != m) return false;
-    if (!matchUrl(u)) return false;
-    if (d != null && !matchData(d)) return false;
-    if (h != null && !matchHeaders(h)) return false;
+  bool match(method, url, [data, headers]) {
+    if (method != method) return false;
+    if (!matchUrl(url)) return false;
+    if (data != null && !matchData(data)) return false;
+    if (headers != null && !matchHeaders(headers)) return false;
     return true;
   }
 
-  matchUrl(u) {
+  bool matchUrl(u) {
     if (url == null) return true;
     if (url is RegExp) return url.hasMatch(u);
     return url == u;
   }
 
-  matchHeaders(h) {
+  bool matchHeaders(h) {
     if (headers == null) return true;
     if (headers is Function) return headers(h);
     return "$headers" == "$h";
   }
 
-  matchData(d) {
+  bool matchData(d) {
     if (data == null) return true;
-    if (d == null) return false; // data is not null, but d is.
+    if (d == null) return false;
     if (data is File) return data == d;
     assert(d is String);
     if (data is RegExp) return data.hasMatch(d);
     return JSON.encode(data) == JSON.encode(d);
   }
 
-  toString() {
-    return "$method $url";
-  }
+  String toString() => "$method $url";
 }
 
 
 class _Chain {
-  var _respondFn;
-  _Chain({respond}) {
-    _respondFn = respond;
-  }
+  final Function _respondFn;
+  _Chain({respond}): _respondFn = respond;
   respond([x,y,z]) => _respondFn(x,y,z);
 }
 
 /**
  * A mock implementation of [HttpBackend], used in tests.
  */
 class MockHttpBackend implements HttpBackend {
   var definitions = [],
       expectations = [],
       responses = [];
 
   /**
    * This function is called from [Http] and designed to mimic the Dart APIs.
    */
   dart_async.Future request(String url,
                  {String method, bool withCredentials, String responseType,
                  String mimeType, Map<String, String> requestHeaders, sendData,
                  void onProgress(ProgressEvent e)}) {
     dart_async.Completer c = new dart_async.Completer();
     var callback = (status, data, headers) {
       if (status >= 200 && status < 300) {
         c.complete(new MockHttpRequest(status, data, headers));
       } else {
-        c.completeError(
-            new MockProgressEvent(
-                new MockHttpRequest(status, data, headers)));
+        c.completeError(new MockProgressEvent(
+            new MockHttpRequest(status, data, headers)));
       }
     };
-    call(method == null ? 'GET' : method, url, sendData, callback, requestHeaders);
+    call(method == null ? 'GET' : method, url, sendData, callback,
+         requestHeaders);
     return c.future;
   }
 
   _createResponse(statusOrDataOrFunction, dataOrHeaders, headersOrNone) {
     if (statusOrDataOrFunction is Function) return statusOrDataOrFunction;
     var status, data, headers;
     if (statusOrDataOrFunction is num) {
       status = statusOrDataOrFunction;
       data = dataOrHeaders;
       headers = headersOrNone;
     } else {
       status = 200;
       data = statusOrDataOrFunction;
       headers = dataOrHeaders;
     }
-    if (data is Map || data is List) {
-      data = JSON.encode(data);
-    }
+    if (data is Map || data is List) data = JSON.encode(data);
 
     return ([a,b,c,d,e]) => [status, data, headers];
   }
 
 
  /**
   * A callback oriented API.  This function takes a callback with
   * will be called with (status, data, headers)
   */
-  call(method, [url, data, callback, headers, timeout]) {
+  void call(method, [url, data, callback, headers, timeout]) {
     var xhr = new _MockXhr(),
         expectation = expectations.isEmpty ? null : expectations[0],
         wasExpected = false;
 
     var prettyPrint = (data) {
       return (data is String || data is Function || data is RegExp)
           ? data
           : JSON.encode(data);
     };
 
     var wrapResponse = (wrapped) {
       var handleResponse = () {
         var response = wrapped.response(method, url, data, headers);
         xhr.$$respHeaders = response[2];
-        utils.relaxFnApply(callback, [response[0], response[1], xhr.getAllResponseHeaders()]);
+        utils.relaxFnApply(callback, [response[0], response[1],
+             xhr.getAllResponseHeaders()]);
       };
 
       var handleTimeout = () {
-        for (var i = 0, ii = responses.length; i < ii; i++) {
+        for (var i = 0; i < responses.length; i++) {
           if (identical(responses[i], handleResponse)) {
             responses.removeAt(i);
             callback(-1, null, '');
             break;
           }
         }
       };
 
       if (timeout != null) timeout.then(handleTimeout);
       return handleResponse;
     };
 
     if (expectation != null && expectation.match(method, url)) {
       if (!expectation.matchData(data))
         throw ['Expected $expectation with different data\n' +
             'EXPECTED: ${prettyPrint(expectation.data)}\nGOT:      $data'];
 
       if (!expectation.matchHeaders(headers))
-        throw ['Expected $expectation with different headers\n' +
-            'EXPECTED: ${prettyPrint(expectation.headers)}\nGOT:      ${prettyPrint(headers)}'];
+        throw ['Expected $expectation with different headers\n'
+            'EXPECTED: ${prettyPrint(expectation.headers)}\n'
+            'GOT:      ${prettyPrint(headers)}'];
 
       expectations.removeAt(0);
 
       if (expectation.response != null) {
         responses.add(wrapResponse(expectation));
         return;
       }
       wasExpected = true;
     }
 
     for (var definition in definitions) {
       if (definition.match(method, url, data, headers != null ? headers : {})) {
         if (definition.response != null) {
           // if $browser specified, we do auto flush all requests
           responses.add(wrapResponse(definition));
         } else throw ['No response defined !'];
         return;
       }
     }
     throw wasExpected ?
         ['No response defined !'] :
-        ['Unexpected request: $method $url\n' +
-            (expectation != null ? 'Expected $expectation' : 'No more requests expected')];
+        ['Unexpected request: $method $url\n' + (expectation != null ?
+            'Expected $expectation' :
+            'No more requests expected')];
   }
 
   /**
    * Creates a new backend definition.
    *
    * @param {string} method HTTP method.
    * @param {string|RegExp} url HTTP url.
    * @param {(string|RegExp)=} data HTTP request body.
-   * @param {(Object|function(Object))=} headers HTTP headers or function that receives http header
-   *   object and returns true if the headers match the current definition.
-   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
-   *   request is handled.
+   * @param {(Object|function(Object))=} headers HTTP headers or function that
+   * receives http header object and returns true if the headers match the
+   * current definition.
+   * @returns {requestHandler} Returns an object with `respond` method that
+   * control how a matched request is handled.
    *
    *  - respond – `{function([status,] data[, headers])|function(function(method, url, data, headers)}`
    *    – The respond method takes a set of static data to be returned or a function that can return
    *    an array containing response status (number), response data (string) and response headers
    *    (Object).
    */
-  when(method, [url, data, headers]) {
+  _Chain when(method, [url, data, headers]) {
     var definition = new MockHttpExpectation(method, url, data, headers),
         chain = new _Chain(respond: (status, data, headers) {
-            definition.response = _createResponse(status, data, headers);
-          });
+          definition.response = _createResponse(status, data, headers);
+        });
 
     definitions.add(definition);
     return chain;
   }
 
   /**
    * @ngdoc method
    * @name ngMock.$httpBackend#whenGET
    * @methodOf ngMock.$httpBackend
    * @description
    * Creates a new backend definition for GET requests. For more info see `when()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {(Object|function(Object))=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    * request is handled.
    */
-
-
-  whenGET(url, [headers]) =>
-  when('GET', url, null, headers);
-  whenDELETE(url, [headers]) =>
-  when('DELETE', url, null, headers);
-  whenJSONP(url, [headers]) =>
-  when('JSONP', url, null, headers);
-
-  whenPUT(url, [data, headers]) =>
-  when('PUT', url, data, headers);
-  whenPOST(url, [data, headers]) =>
-  when('POST', url, data, headers);
-  whenPATCH(url, [data, headers]) =>
-  when('PATCH', url, data, headers);
-
-  /**
-   * @ngdoc method
-   * @name ngMock.$httpBackend#whenHEAD
-   * @methodOf ngMock.$httpBackend
-   * @description
-   * Creates a new backend definition for HEAD requests. For more info see `when()`.
-   *
-   * @param {string|RegExp} url HTTP url.
-   * @param {(Object|function(Object))=} headers HTTP headers.
-   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
-   * request is handled.
-   */
+  _Chain whenGET(url, [headers]) => when('GET', url, null, headers);
 
   /**
    * @ngdoc method
    * @name ngMock.$httpBackend#whenDELETE
    * @methodOf ngMock.$httpBackend
    * @description
    * Creates a new backend definition for DELETE requests. For more info see `when()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {(Object|function(Object))=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    * request is handled.
    */
+  _Chain whenDELETE(url, [headers]) => when('DELETE', url, null, headers);
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenPOST
+   * @name ngMock.$httpBackend#whenJSONP
    * @methodOf ngMock.$httpBackend
    * @description
-   * Creates a new backend definition for POST requests. For more info see `when()`.
+   * Creates a new backend definition for JSONP requests. For more info see `when()`.
+   *
+   * @param {string|RegExp} url HTTP url.
+   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
+   * request is handled.
+   */
+  _Chain whenJSONP(url, [headers]) => when('JSONP', url, null, headers);
+
+  /**
+   * @ngdoc method
+   * @name ngMock.$httpBackend#whenPUT
+   * @methodOf ngMock.$httpBackend
+   * @description
+   * Creates a new backend definition for PUT requests.  For more info see `when()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {(string|RegExp)=} data HTTP request body.
    * @param {(Object|function(Object))=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    * request is handled.
    */
+  _Chain whenPUT(url, [data, headers]) => when('PUT', url, data, headers);
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenPUT
+   * @name ngMock.$httpBackend#whenPOST
    * @methodOf ngMock.$httpBackend
    * @description
-   * Creates a new backend definition for PUT requests.  For more info see `when()`.
+   * Creates a new backend definition for POST requests. For more info see `when()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {(string|RegExp)=} data HTTP request body.
    * @param {(Object|function(Object))=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    * request is handled.
    */
+  _Chain whenPOST(url, [data, headers]) => when('POST', url, data, headers);
+
+  _Chain whenPATCH(url, [data, headers]) => when('PATCH', url, data, headers);
+
+  /**
+   * @ngdoc method
+   * @name ngMock.$httpBackend#whenHEAD
+   * @methodOf ngMock.$httpBackend
+   * @description
+   * Creates a new backend definition for HEAD requests. For more info see `when()`.
+   *
+   * @param {string|RegExp} url HTTP url.
+   * @param {(Object|function(Object))=} headers HTTP headers.
+   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
+   * request is handled.
+   */
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenJSONP
-   * @methodOf ngMock.$httpBackend
-   * @description
-   * Creates a new backend definition for JSONP requests. For more info see `when()`.
-   *
-   * @param {string|RegExp} url HTTP url.
-   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
-   * request is handled.
-   */
-  //createShortMethods('when');
-
-
-  /**
-   * @ngdoc method
    * @name ngMock.$httpBackend#expect
    * @methodOf ngMock.$httpBackend
    * @description
    * Creates a new request expectation.
    *
    * @param {string} method HTTP method.
    * @param {string|RegExp} url HTTP url.
    * @param {(string|RegExp)=} data HTTP request body.
    * @param {(Object|function(Object))=} headers HTTP headers or function that receives http header
    *   object and returns true if the headers match the current expectation.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    *  request is handled.
    *
    *  - respond – `{function([status,] data[, headers])|function(function(method, url, data, headers)}`
    *    – The respond method takes a set of static data to be returned or a function that can return
    *    an array containing response status (number), response data (string) and response headers
    *    (Object).
    */
-  expect(method, [url, data, headers]) {
+  _Chain expect(method, [url, data, headers]) {
     var expectation = new MockHttpExpectation(method, url, data, headers);
     expectations.add(expectation);
     return new _Chain(respond: (status, data, headers) {
-        expectation.response = _createResponse(status, data, headers);
-      });
+      expectation.response = _createResponse(status, data, headers);
+    });
   }
 
 
   /**
    * @ngdoc method
    * @name ngMock.$httpBackend#expectGET
    * @methodOf ngMock.$httpBackend
    * @description
    * Creates a new request expectation for GET requests. For more info see `expect()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {Object=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    * request is handled. See #expect for more info.
    */
-  expectGET(url, [headers]) =>
-  expect('GET', url, null, headers);
-  expectDELETE(url, [headers]) =>
-  expect('DELETE', url, null, headers);
-  expectJSONP(url, [headers]) =>
-  expect('JSONP', url, null, headers);
-
-  expectPUT(url, [data, headers]) =>
-  expect('PUT', url, data, headers);
-  expectPOST(url, [data, headers]) =>
-  expect('POST', url, data, headers);
-  expectPATCH(url, [data, headers]) =>
-  expect('PATCH', url, data, headers);
-
-  /**
-   * @ngdoc method
-   * @name ngMock.$httpBackend#expectHEAD
-   * @methodOf ngMock.$httpBackend
-   * @description
-   * Creates a new request expectation for HEAD requests. For more info see `expect()`.
-   *
-   * @param {string|RegExp} url HTTP url.
-   * @param {Object=} headers HTTP headers.
-   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
-   *   request is handled.
-   */
+  _Chain expectGET(url, [headers]) => expect('GET', url, null, headers);
 
   /**
    * @ngdoc method
    * @name ngMock.$httpBackend#expectDELETE
    * @methodOf ngMock.$httpBackend
    * @description
    * Creates a new request expectation for DELETE requests. For more info see `expect()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {Object=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    *   request is handled.
    */
+  _Chain expectDELETE(url, [headers]) => expect('DELETE', url, null, headers);
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectPOST
+   * @name ngMock.$httpBackend#expectJSONP
    * @methodOf ngMock.$httpBackend
    * @description
-   * Creates a new request expectation for POST requests. For more info see `expect()`.
+   * Creates a new request expectation for JSONP requests. For more info see `expect()`.
+   *
+   * @param {string|RegExp} url HTTP url.
+   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
+   *   request is handled.
+   */
+  _Chain expectJSONP(url, [headers]) => expect('JSONP', url, null, headers);
+
+  /**
+   * @ngdoc method
+   * @name ngMock.$httpBackend#expectPUT
+   * @methodOf ngMock.$httpBackend
+   * @description
+   * Creates a new request expectation for PUT requests. For more info see `expect()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {(string|RegExp)=} data HTTP request body.
    * @param {Object=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    *   request is handled.
    */
+  _Chain expectPUT(url, [data, headers]) => expect('PUT', url, data, headers);
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectPUT
+   * @name ngMock.$httpBackend#expectPOST
    * @methodOf ngMock.$httpBackend
    * @description
-   * Creates a new request expectation for PUT requests. For more info see `expect()`.
+   * Creates a new request expectation for POST requests. For more info see `expect()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {(string|RegExp)=} data HTTP request body.
    * @param {Object=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    *   request is handled.
    */
+  _Chain expectPOST(url, [data, headers]) => expect('POST', url, data, headers);
 
   /**
    * @ngdoc method
    * @name ngMock.$httpBackend#expectPATCH
    * @methodOf ngMock.$httpBackend
    * @description
    * Creates a new request expectation for PATCH requests. For more info see `expect()`.
    *
    * @param {string|RegExp} url HTTP url.
    * @param {(string|RegExp)=} data HTTP request body.
    * @param {Object=} headers HTTP headers.
    * @returns {requestHandler} Returns an object with `respond` method that control how a matched
    *   request is handled.
    */
+  _Chain expectPATCH(url, [data, headers]) => expect('PATCH', url, data, headers);
+
+  /**
+   * @ngdoc method
+   * @name ngMock.$httpBackend#expectHEAD
+   * @methodOf ngMock.$httpBackend
+   * @description
+   * Creates a new request expectation for HEAD requests. For more info see `expect()`.
+   *
+   * @param {string|RegExp} url HTTP url.
+   * @param {Object=} headers HTTP headers.
+   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
+   *   request is handled.
+   */
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectJSONP
-   * @methodOf ngMock.$httpBackend
-   * @description
-   * Creates a new request expectation for JSONP requests. For more info see `expect()`.
-   *
-   * @param {string|RegExp} url HTTP url.
-   * @returns {requestHandler} Returns an object with `respond` method that control how a matched
-   *   request is handled.
-   */
-  //createShortMethods('expect');
-
-
-  /**
-   * @ngdoc method
    * @name ngMock.$httpBackend#flush
    * @methodOf ngMock.$httpBackend
    * @description
    * Flushes all pending requests using the trained responses.
    *
    * @param {number=} count Number of responses to flush (in the order they arrived). If undefined,
    *   all pending requests will be flushed. If there are no pending requests when the flush method
    *   is called an exception is thrown (as this typically a sign of programming error).
    */
-  flush([count]) {
+  void flush([count]) {
     if (responses.isEmpty) throw ['No pending request to flush !'];
 
     if (count != null) {
       while (count-- > 0) {
         if (responses.isEmpty) throw ['No more pending request to flush !'];
         responses.removeAt(0)();
       }
     } else {
       while (!responses.isEmpty) {
         responses.removeAt(0)();
@@ skipping 11 matching lines @@
    * Verifies that all of the requests defined via the `expect` api were made. If any of the
    * requests were not made, verifyNoOutstandingExpectation throws an exception.
    *
    * Typically, you would call this method following each test case that asserts requests using an
    * "afterEach" clause.
    *
    * <pre>
    *   afterEach($httpBackend.verifyNoOutstandingExpectation);
    * </pre>
    */
-  verifyNoOutstandingExpectation() {
+  void verifyNoOutstandingExpectation() {
     if (!expectations.isEmpty) {
       throw ['Unsatisfied requests: ${expectations.join(', ')}'];
     }
   }
 
 
   /**
    * @ngdoc method
    * @name ngMock.$httpBackend#verifyNoOutstandingRequest
    * @methodOf ngMock.$httpBackend
    * @description
    * Verifies that there are no outstanding requests that need to be flushed.
    *
    * Typically, you would call this method following each test case that asserts requests using an
    * "afterEach" clause.
    *
    * <pre>
    *   afterEach($httpBackend.verifyNoOutstandingRequest);
    * </pre>
    */
-  verifyNoOutstandingRequest() {
-    if (!responses.isEmpty) {
-      throw ['Unflushed requests: ${responses.length}'];
-    }
+  void verifyNoOutstandingRequest() {
+    if (!responses.isEmpty) throw ['Unflushed requests: ${responses.length}'];
   }
 
 
   /**
    * @ngdoc method
    * @name ngMock.$httpBackend#resetExpectations
    * @methodOf ngMock.$httpBackend
    * @description
    * Resets all request expectations, but preserves all backend definitions. Typically, you would
    * call resetExpectations during a multiple-phase test when you want to reuse the same instance of
    * $httpBackend mock.
    */
-  resetExpectations() {
+  void resetExpectations() {
     expectations.length = 0;
     responses.length = 0;
   }
 }
 
 /**
  * Mock implementation of the [HttpRequest] object returned from the HttpBackend.
  */
 class MockHttpRequest implements HttpRequest {
   final bool supportsCrossOrigin = false;
@@ skipping 24 matching lines @@
   bool withCredentials;
 
   final int status;
   final response;
   final String headers;
 
   MockHttpRequest(this.status, this.response, [this.headers]);
 
   void abort() {}
   bool dispatchEvent(Event event) => false;
-  String getAllResponseHeaders() {
-    if (headers == null) return null;
-    return headers;
-  }
+  String getAllResponseHeaders() => headers;
   String getResponseHeader(String header) => null;
 
   void open(String method, String url, {bool async, String user, String password}) {}
   void overrideMimeType(String override) {}
   void send([data]) {}
   void setRequestHeader(String header, String value) {}
   void addEventListener(String type, EventListener listener, [bool useCapture]) {}
   void removeEventListener(String type, EventListener listener, [bool useCapture]) {}
 }
 
@@ skipping 17 matching lines @@
   final String type = null;
 
   bool cancelBubble = false;
 
   MockProgressEvent(MockHttpRequest this.currentTarget);
 
   void preventDefault() {}
   void stopImmediatePropagation() {}
   void stopPropagation() {}
 }