1425bb815Sopenharmony_ci// Copyright JS Foundation and other contributors, http://js.foundation 2425bb815Sopenharmony_ci// 3425bb815Sopenharmony_ci// Licensed under the Apache License, Version 2.0 (the "License"); 4425bb815Sopenharmony_ci// you may not use this file except in compliance with the License. 5425bb815Sopenharmony_ci// You may obtain a copy of the License at 6425bb815Sopenharmony_ci// 7425bb815Sopenharmony_ci// http://www.apache.org/licenses/LICENSE-2.0 8425bb815Sopenharmony_ci// 9425bb815Sopenharmony_ci// Unless required by applicable law or agreed to in writing, software 10425bb815Sopenharmony_ci// distributed under the License is distributed on an "AS IS" BASIS 11425bb815Sopenharmony_ci// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12425bb815Sopenharmony_ci// See the License for the specific language governing permissions and 13425bb815Sopenharmony_ci// limitations under the License. 14425bb815Sopenharmony_ci 15425bb815Sopenharmony_ci/* This test checks async modifiers (nothing else). */ 16425bb815Sopenharmony_ci 17425bb815Sopenharmony_cifunction check_syntax_error (code) 18425bb815Sopenharmony_ci{ 19425bb815Sopenharmony_ci try { 20425bb815Sopenharmony_ci eval (code) 21425bb815Sopenharmony_ci assert (false) 22425bb815Sopenharmony_ci } catch (e) { 23425bb815Sopenharmony_ci assert (e instanceof SyntaxError) 24425bb815Sopenharmony_ci } 25425bb815Sopenharmony_ci} 26425bb815Sopenharmony_ci 27425bb815Sopenharmony_cicheck_syntax_error("function async f() {}") 28425bb815Sopenharmony_cicheck_syntax_error("(a,b) async => 1") 29425bb815Sopenharmony_ci/* SyntaxError because arrow declaration is an assignment expression. */ 30425bb815Sopenharmony_cicheck_syntax_error("async * (a,b) => 1") 31425bb815Sopenharmony_cicheck_syntax_error("({ *async f() {} })") 32425bb815Sopenharmony_cicheck_syntax_error("class C { async static f() {} }") 33425bb815Sopenharmony_cicheck_syntax_error("class C { * async f() {} }") 34425bb815Sopenharmony_cicheck_syntax_error("class C { static * async f() {} }") 35425bb815Sopenharmony_ci 36425bb815Sopenharmony_ci 37425bb815Sopenharmony_cifunction check_promise(p, value) 38425bb815Sopenharmony_ci{ 39425bb815Sopenharmony_ci assert(p instanceof Promise) 40425bb815Sopenharmony_ci 41425bb815Sopenharmony_ci p.then(function(v) { 42425bb815Sopenharmony_ci assert(v === value) 43425bb815Sopenharmony_ci }) 44425bb815Sopenharmony_ci} 45425bb815Sopenharmony_ci 46425bb815Sopenharmony_civar o = { 47425bb815Sopenharmony_ci async f() { return 1 }, 48425bb815Sopenharmony_ci async() { return 2 }, 49425bb815Sopenharmony_ci async *x() {}, /* Parser test, async iterators are needed to work. */ 50425bb815Sopenharmony_ci} 51425bb815Sopenharmony_ci 52425bb815Sopenharmony_cicheck_promise(o.f(), 1) 53425bb815Sopenharmony_ciassert(o.async() === 2) 54425bb815Sopenharmony_ci 55425bb815Sopenharmony_ciclass C { 56425bb815Sopenharmony_ci async f() { return 3 } 57425bb815Sopenharmony_ci async *x() {} /* Parser test, async iterators are needed to work. */ 58425bb815Sopenharmony_ci static async f() { return 4 } 59425bb815Sopenharmony_ci static async *y() {} /* Parser test, async iterators are needed to work. */ 60425bb815Sopenharmony_ci async() { return 5 } 61425bb815Sopenharmony_ci static async() { return 6 } 62425bb815Sopenharmony_ci} 63425bb815Sopenharmony_ci 64425bb815Sopenharmony_civar c = new C 65425bb815Sopenharmony_ci 66425bb815Sopenharmony_cicheck_promise(c.f(), 3) 67425bb815Sopenharmony_cicheck_promise(C.f(), 4) 68425bb815Sopenharmony_ciassert(c.async() === 5) 69425bb815Sopenharmony_ciassert(C.async() === 6) 70