1// Copyright JS Foundation and other contributors, http://js.foundation 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15assert(Number['isSafeInteger'] (Math.pow(2, 53)) === false); 16assert(Number['isSafeInteger'] (Math.pow(2, 53) - 1) === true); 17assert(Number['isSafeInteger'] (NaN) === false); 18assert(Number['isSafeInteger'] (-3.0) === true); 19assert(Number['isSafeInteger'] (Infinity) === false); 20assert(Number['isSafeInteger'] (3.5) === false); 21