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_cifunction check_syntax_error (code) 16425bb815Sopenharmony_ci{ 17425bb815Sopenharmony_ci try { 18425bb815Sopenharmony_ci eval (code) 19425bb815Sopenharmony_ci assert (false) 20425bb815Sopenharmony_ci } catch (e) { 21425bb815Sopenharmony_ci assert (e instanceof SyntaxError) 22425bb815Sopenharmony_ci } 23425bb815Sopenharmony_ci} 24425bb815Sopenharmony_ci 25425bb815Sopenharmony_cifunction f(...a) 26425bb815Sopenharmony_ci{ 27425bb815Sopenharmony_ci return a.length 28425bb815Sopenharmony_ci} 29425bb815Sopenharmony_ci 30425bb815Sopenharmony_cicheck_syntax_error ("f(,)") 31425bb815Sopenharmony_cicheck_syntax_error ("f(,1)") 32425bb815Sopenharmony_cicheck_syntax_error ("f(1,,)") 33425bb815Sopenharmony_cicheck_syntax_error ("f(1,,2)") 34425bb815Sopenharmony_ci 35425bb815Sopenharmony_ciassert(f(10) === 1) 36425bb815Sopenharmony_ciassert(f(10,) === 1) 37425bb815Sopenharmony_ciassert(f(10,11) === 2) 38425bb815Sopenharmony_ciassert(f(10,11,) === 2) 39