coerce-bigint-to-string.js (1362B)
1 // Copyright (C) 2017 Robin Templeton. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 description: ToString is applied BigInt values in an additive expression with another string 6 esid: prod-AdditiveExpression 7 info: | 8 AdditiveExpression: AdditiveExpression + MultiplicativeExpression 9 10 ... 11 7. If Type(lprim) is String or Type(rprim) is String, then 12 a. Let lstr be ? ToString(lprim). 13 b. Let rstr be ? ToString(rprim). 14 c. Return the String that is the result of concatenating lstr and rstr. 15 ... 16 17 ToString Applied to the BigInt Type 18 19 1. If i is less than zero, return the String concatenation of the String "-" and ToString(-i). 20 2. Return the String consisting of the code units of the digits of the decimal representation of i. 21 features: [BigInt] 22 ---*/ 23 24 assert.sameValue(-1n + "", "-1"); 25 assert.sameValue("" + -1n, "-1"); 26 assert.sameValue(0n + "", "0"); 27 assert.sameValue("" + 0n, "0"); 28 assert.sameValue(1n + "", "1"); 29 assert.sameValue("" + 1n, "1"); 30 assert.sameValue(123456789000000000000000n + "", "123456789000000000000000"); 31 assert.sameValue("" + 123456789000000000000000n, "123456789000000000000000"); 32 assert.sameValue(-123456789000000000000000n + "", "-123456789000000000000000"); 33 assert.sameValue("" + -123456789000000000000000n, "-123456789000000000000000"); 34 35 reportCompare(0, 0);