RockPaperScissors/node_modules/object-inspect/test/bigint.js
2021-12-02 17:22:41 +01:00

47 lines
1.4 KiB
JavaScript

'use strict';
var inspect = require('../');
var test = require('tape');
var hasSymbols = require('has-symbols/shams')();
test('bigint', { skip: typeof BigInt === 'undefined' }, function (t) {
t.test('primitives', function (st) {
st.plan(3);
st.equal(inspect(BigInt(-256)), '-256n');
st.equal(inspect(BigInt(0)), '0n');
st.equal(inspect(BigInt(256)), '256n');
});
t.test('objects', function (st) {
st.plan(3);
st.equal(inspect(Object(BigInt(-256))), 'Object(-256n)');
st.equal(inspect(Object(BigInt(0))), 'Object(0n)');
st.equal(inspect(Object(BigInt(256))), 'Object(256n)');
});
t.test('syntactic primitives', function (st) {
st.plan(3);
/* eslint-disable no-new-func */
st.equal(inspect(Function('return -256n')()), '-256n');
st.equal(inspect(Function('return 0n')()), '0n');
st.equal(inspect(Function('return 256n')()), '256n');
});
t.test('toStringTag', { skip: !hasSymbols || typeof Symbol.toStringTag === 'undefined' }, function (st) {
st.plan(1);
var faker = {};
faker[Symbol.toStringTag] = 'BigInt';
st.equal(
inspect(faker),
'{ [Symbol(Symbol.toStringTag)]: \'BigInt\' }',
'object lying about being a BigInt inspects as an object'
);
});
t.end();
});