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(parseFloat("1") === 1); 16assert(parseFloat("+1") === 1); 17assert(parseFloat("-1") === -1); 18assert(parseFloat("1.2") === 1.2); 19assert(parseFloat("+1.2") === 1.2); 20assert(parseFloat("-1.2") === -1.2); 21assert(parseFloat("1.2e3") === 1200); 22assert(parseFloat("+1.2e3") === 1200); 23assert(parseFloat("-1.2e3") === -1200); 24assert(parseFloat(" \n\t 1.2e3") === 1200); 25assert(parseFloat("03.02e1") === 30.2); 26assert(parseFloat("003.") === 3); 27assert(parseFloat(".2e3") === 200); 28assert(parseFloat("1.e3") === 1000); 29assert(parseFloat("1.2e") === 1.2); 30assert(parseFloat("1.e") === 1); 31assert(parseFloat("1.e3") === 1000); 32assert(parseFloat("1e3") === 1000); 33assert(parseFloat("1e") === 1); 34assert(parseFloat("1.2e3foo") === 1200); 35assert(isNaN(parseFloat("foo1.2e3foo"))); 36assert(parseFloat("Infinity") === Infinity); 37assert(parseFloat("-Infinity") === -Infinity); 38assert(parseFloat("Infinityfoo") === Infinity); 39assert(parseFloat("-Infinityfoo") === -Infinity); 40assert(isNaN(parseFloat(""))); 41assert(isNaN(parseFloat("."))); 42assert(isNaN(parseFloat(".."))); 43assert(isNaN(parseFloat("+"))); 44assert(isNaN(parseFloat("-"))); 45assert(isNaN(parseFloat("e"))); 46assert(isNaN(parseFloat("a"))); 47assert(isNaN(parseFloat("e+"))); 48assert(isNaN(parseFloat("+e-"))); 49assert(isNaN(parseFloat(".e"))); 50assert(isNaN(parseFloat(".a"))); 51assert(isNaN(parseFloat("e3"))); 52assert(isNaN(parseFloat(".e3"))); 53assert(parseFloat("1..2") === 1); 54assert(parseFloat("1.2.3") === 1.2); 55assert(parseFloat("1.2ee3") === 1.2); 56assert(parseFloat("0") === 0); 57assert(parseFloat(".0") === 0); 58assert(parseFloat("0.e3") === 0); 59assert(parseFloat("0.0e3") === 0); 60assert(parseFloat("1.2eA") === 1.2); 61assert(parseFloat("1.ae3") === 1); 62assert(parseFloat("\u00a0\u00a01.2e3") === 1200); 63assert(parseFloat("\u2029\u2029\u00a01.2e\u00D0") === 1.2); 64assert(isNaN(parseFloat("\u2029\u2029\u00a0\u00D01.2e3"))); 65assert(parseFloat("\u2029\u2029\u00a01.\u20292e\u00D0") === 1); 66assert(isNaN(parseFloat("\u2029\u2029"))); 67 68var obj = new Object(); 69var arr = [3,4,5]; 70var num = 7; 71var bool = true; 72var undef; 73 74assert(isNaN(parseFloat(obj))); 75assert(parseFloat(arr) === 3); 76assert(parseFloat(num) === 7); 77assert(isNaN(parseFloat(bool))); 78assert(isNaN(parseFloat(undef))); 79 80var obj = { toString : function () { throw new ReferenceError("foo") } }; 81try { 82 parseFloat(obj); 83 assert(false); 84} catch (e) { 85 assert(e instanceof ReferenceError); 86 assert(e.message === "foo"); 87} 88