Removed support for custom promise libraries

All supported platforms now provide promises, so there's no longer a need
for Jasmine to be able to create them via a user-provided library. Jasmine
can still consume non-native promises but will always use the built-in
Promise object to create promises.

[#179078103]

src/core/Env.js

@@ -12,7 +12,6 @@ getJasmineRequireObj().Env = function(j$) {
 
     var self = this;
     var global = options.global || j$.getGlobal();
-    var customPromise;
 
     var totalSpecsDefined = 0;
 
@@ -206,27 +205,6 @@ getJasmineRequireObj().Env = function(j$) {
         config.seed = configuration.seed;
       }
 
-      // Don't use hasOwnProperty to check for Promise existence because Promise
-      // can be initialized to undefined, either explicitly or by using the
-      // object returned from Env#configuration. In particular, Karma does this.
-      if (configuration.Promise) {
-        if (
-          typeof configuration.Promise.resolve === 'function' &&
-          typeof configuration.Promise.reject === 'function'
-        ) {
-          customPromise = configuration.Promise;
-          self.deprecated(
-            'The `Promise` config property is deprecated. Future versions ' +
-              'of Jasmine will create native promises even if the `Promise` ' +
-              'config property is set. Please remove it.'
-          );
-        } else {
-          throw new Error(
-            'Custom promise library missing `resolve`/`reject` functions'
-          );
-        }
-      }
-
       if (configuration.hasOwnProperty('verboseDeprecations')) {
         config.verboseDeprecations = configuration.verboseDeprecations;
         deprecator.verboseDeprecations(config.verboseDeprecations);
@@ -719,25 +697,15 @@ getJasmineRequireObj().Env = function(j$) {
       var jasmineTimer = new j$.Timer();
       jasmineTimer.start();
 
-      var Promise = customPromise || global.Promise;
-
-      if (Promise) {
-        return new Promise(function(resolve) {
-          runAll(function() {
-            if (onComplete) {
-              onComplete();
-            }
-
-            resolve();
-          });
-        });
-      } else {
+      return new Promise(function(resolve) {
         runAll(function() {
           if (onComplete) {
             onComplete();
           }
+
+          resolve();
         });
-      }
+      });
 
       function runAll(done) {
         /**
@@ -853,9 +821,6 @@ getJasmineRequireObj().Env = function(j$) {
         }
 
         return undefined;
-      },
-      function getPromise() {
-        return customPromise || global.Promise;
       }
     );
 

src/core/Spy.js

@@ -19,13 +19,7 @@ getJasmineRequireObj().Spy = function(j$) {
    * @class Spy
    * @hideconstructor
    */
-  function Spy(
-    name,
-    originalFn,
-    customStrategies,
-    defaultStrategyFn,
-    getPromise
-  ) {
+  function Spy(name, originalFn, customStrategies, defaultStrategyFn) {
     var numArgs = typeof originalFn === 'function' ? originalFn.length : 0,
       wrapper = makeFunc(numArgs, function(context, args, invokeNew) {
         return spy(context, args, invokeNew);
@@ -36,8 +30,7 @@ getJasmineRequireObj().Spy = function(j$) {
         getSpy: function() {
           return wrapper;
         },
-        customStrategies: customStrategies,
-        getPromise: getPromise
+        customStrategies: customStrategies
       }),
       callTracker = new j$.CallTracker(),
       spy = function(context, args, invokeNew) {

src/core/SpyFactory.js

@@ -1,5 +1,5 @@
 getJasmineRequireObj().SpyFactory = function(j$) {
-  function SpyFactory(getCustomStrategies, getDefaultStrategyFn, getPromise) {
+  function SpyFactory(getCustomStrategies, getDefaultStrategyFn) {
     var self = this;
 
     this.createSpy = function(name, originalFn) {
@@ -7,8 +7,7 @@ getJasmineRequireObj().SpyFactory = function(j$) {
         name,
         originalFn,
         getCustomStrategies(),
-        getDefaultStrategyFn(),
-        getPromise
+        getDefaultStrategyFn()
       );
     };
 

src/core/SpyStrategy.js

@@ -27,24 +27,6 @@ getJasmineRequireObj().SpyStrategy = function(j$) {
       }
     }
 
-    var getPromise =
-      typeof options.getPromise === 'function'
-        ? options.getPromise
-        : function() {};
-
-    var requirePromise = function(name) {
-      var Promise = getPromise();
-
-      if (!Promise) {
-        throw new Error(
-          name +
-            ' requires global Promise, or `Promise` configured with `jasmine.getEnv().configure()`'
-        );
-      }
-
-      return Promise;
-    };
-
     /**
      * Tell the spy to return a promise resolving to the specified value when invoked.
      * @name SpyStrategy#resolveTo
@@ -53,7 +35,6 @@ getJasmineRequireObj().SpyStrategy = function(j$) {
      * @param {*} value The value to return.
      */
     this.resolveTo = function(value) {
-      var Promise = requirePromise('resolveTo');
       self.plan = function() {
         return Promise.resolve(value);
       };
@@ -68,8 +49,6 @@ getJasmineRequireObj().SpyStrategy = function(j$) {
      * @param {*} value The value to return.
      */
     this.rejectWith = function(value) {
-      var Promise = requirePromise('rejectWith');
-
       self.plan = function() {
         return Promise.reject(value);
       };