Added support for ES2017 async functions

spec/core/EnvSpec.js

@@ -91,6 +91,13 @@ describe("Env", function() {
         env.it('pending spec');
       }).not.toThrow();
     });
+
+    it('accepts an async function', function() {
+      jasmine.getEnv().requireAsyncAwait();
+      expect(function() {
+        env.it('async', jasmine.getEnv().makeAsyncAwaitFunction());
+      }).not.toThrow();
+    });
   });
 
   describe('#xit', function() {
@@ -114,6 +121,13 @@ describe("Env", function() {
         env.xit('pending spec');
       }).not.toThrow();
     });
+
+    it('accepts an async function', function() {
+      jasmine.getEnv().requireAsyncAwait();
+      expect(function() {
+        env.xit('async', jasmine.getEnv().makeAsyncAwaitFunction());
+      }).not.toThrow();
+    });
   });
 
   describe('#fit', function () {
@@ -130,6 +144,13 @@ describe("Env", function() {
         env.beforeEach(undefined);
       }).toThrowError(/beforeEach expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/);
     });
+
+    it('accepts an async function', function() {
+      jasmine.getEnv().requireAsyncAwait();
+      expect(function() {
+        env.beforeEach(jasmine.getEnv().makeAsyncAwaitFunction());
+      }).not.toThrow();
+    });
   });
 
   describe('#beforeAll', function () {
@@ -138,6 +159,13 @@ describe("Env", function() {
         env.beforeAll(undefined);
       }).toThrowError(/beforeAll expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/);
     });
+
+    it('accepts an async function', function() {
+      jasmine.getEnv().requireAsyncAwait();
+      expect(function() {
+        env.beforeAll(jasmine.getEnv().makeAsyncAwaitFunction());
+      }).not.toThrow();
+    });
   });
 
   describe('#afterEach', function () {
@@ -146,6 +174,13 @@ describe("Env", function() {
         env.afterEach(undefined);
       }).toThrowError(/afterEach expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/);
     });
+
+    it('accepts an async function', function() {
+      jasmine.getEnv().requireAsyncAwait();
+      expect(function() {
+        env.afterEach(jasmine.getEnv().makeAsyncAwaitFunction());
+      }).not.toThrow();
+    });
   });
 
   describe('#afterAll', function () {
@@ -154,5 +189,12 @@ describe("Env", function() {
         env.afterAll(undefined);
       }).toThrowError(/afterAll expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/);
     });
+
+    it('accepts an async function', function() {
+      jasmine.getEnv().requireAsyncAwait();
+      expect(function() {
+        env.afterAll(jasmine.getEnv().makeAsyncAwaitFunction());
+      }).not.toThrow();
+    });
   });
 });

spec/helpers/asyncAwait.js

@@ -0,0 +1,27 @@
+(function(env) {
+  function getAsyncCtor() {
+    try {
+      eval("var func = async function(){};");
+    } catch (e) {
+      return null;
+    }
+
+    return Object.getPrototypeOf(func).constructor;
+  }
+
+  function hasAsyncAwaitSupport() {
+    return getAsyncCtor() !== null;
+  }
+
+  env.makeAsyncAwaitFunction = function() {
+    var AsyncFunction = getAsyncCtor();
+    return new AsyncFunction("");
+  };
+
+  env.requireAsyncAwait = function() {
+    if (!hasAsyncAwaitSupport()) {
+      env.pending("Environment does not support async/await functions");
+    }
+  };
+})(jasmine.getEnv());
+

spec/support/jasmine.json

@@ -6,6 +6,7 @@
     "npmPackage/**/*.js"
   ],
   "helpers": [
+    "helpers/asyncAwait.js",
     "helpers/checkForSet.js",
     "helpers/nodeDefineJasmineUnderTest.js"
   ],

spec/support/jasmine.yml

@@ -16,6 +16,7 @@ src_files:
   - '**/*.js'
 stylesheets:
 helpers:
+  - 'helpers/asyncAwait.js'
   - 'helpers/BrowserFlags.js'
   - 'helpers/checkForSet.js'
   - 'helpers/defineJasmineUnderTest.js'