Import web-platform-tests@41d6911b288a9624c249a406b9bf51607a2dd04d

third_party/WebKit/LayoutTests/resources/testharness.js

 /*global self*/
 /*jshint latedef: nofunc*/
 /*
 Distributed under both the W3C Test Suite License [1] and the W3C
 3-clause BSD License [2]. To contribute to a W3C Test Suite, see the
 policies and contribution forms [3].
 
 [1] http://www.w3.org/Consortium/Legal/2008/04-testsuite-license
 [2] http://www.w3.org/Consortium/Legal/2008/03-bsd-license
 [3] http://www.w3.org/2004/10/27-testcases
@@ skipping 522 matching lines @@
                     function(value) {
                         if (value instanceof AssertionError) {
                             throw value;
                         }
                         assert(false, "promise_test", null,
                                "Unhandled rejection with value: ${value}", {value:value});
                     }));
         });
     }
 
-    function promise_rejects(test, expected, promise) {
-        return promise.then(test.unreached_func("Should have rejected.")).catch(function(e) {
-            assert_throws(expected, function() { throw e });
+    function promise_rejects(test, expected, promise, description) {
+        return promise.then(test.unreached_func("Should have rejected: " + description)).catch(function(e) {
+            assert_throws(expected, function() { throw e }, description);
         });
     }
 
     /**
      * This constructor helper allows DOM events to be handled using Promises,
      * which can make it a lot easier to test a very specific series of events,
      * including ensuring that unexpected events are not fired at any point.
      */
     function EventWatcher(test, watchedNode, eventTypes)
     {
@@ skipping 2110 matching lines @@
             tests.status.status = tests.status.ERROR;
             tests.status.message = e.message;
             tests.status.stack = e.stack;
         }
     });
 
     test_environment.on_tests_ready();
 
 })();
 // vim: set expandtab shiftwidth=4 tabstop=4: