// Copyright 2020 the V8 project authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.functionassert_throws(code,func,description){try{func();}catch(e){assert_true(e.name===code.name,'expected exception '+code.name+', got '+e.name);return;}assert_true(false,'expected exception '+code.name+', no exception thrown');}functionpromise_rejects(test,expected,promise,description){returnpromise.then(()=>assert_unreached('Should have rejected: '+description)).catch(function(e){assert_throws(expected,function(){throwe;},description);});}