mirror of https://github.com/1disk/edp445.git
59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
'use strict';
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var inspect = require('../');
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var test = require('tape');
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var hasToStringTag = require('has-tostringtag/shams')();
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test('bigint', { skip: typeof BigInt === 'undefined' }, function (t) {
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t.test('primitives', function (st) {
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st.plan(3);
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st.equal(inspect(BigInt(-256)), '-256n');
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st.equal(inspect(BigInt(0)), '0n');
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st.equal(inspect(BigInt(256)), '256n');
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});
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t.test('objects', function (st) {
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st.plan(3);
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st.equal(inspect(Object(BigInt(-256))), 'Object(-256n)');
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st.equal(inspect(Object(BigInt(0))), 'Object(0n)');
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st.equal(inspect(Object(BigInt(256))), 'Object(256n)');
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});
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t.test('syntactic primitives', function (st) {
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st.plan(3);
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/* eslint-disable no-new-func */
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st.equal(inspect(Function('return -256n')()), '-256n');
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st.equal(inspect(Function('return 0n')()), '0n');
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st.equal(inspect(Function('return 256n')()), '256n');
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});
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t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
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st.plan(1);
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var faker = {};
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faker[Symbol.toStringTag] = 'BigInt';
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st.equal(
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inspect(faker),
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'{ [Symbol(Symbol.toStringTag)]: \'BigInt\' }',
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'object lying about being a BigInt inspects as an object'
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);
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});
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t.test('numericSeparator', function (st) {
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st.equal(inspect(BigInt(0), { numericSeparator: false }), '0n', '0n, numericSeparator false');
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st.equal(inspect(BigInt(0), { numericSeparator: true }), '0n', '0n, numericSeparator true');
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st.equal(inspect(BigInt(1234), { numericSeparator: false }), '1234n', '1234n, numericSeparator false');
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st.equal(inspect(BigInt(1234), { numericSeparator: true }), '1_234n', '1234n, numericSeparator true');
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st.equal(inspect(BigInt(-1234), { numericSeparator: false }), '-1234n', '1234n, numericSeparator false');
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st.equal(inspect(BigInt(-1234), { numericSeparator: true }), '-1_234n', '1234n, numericSeparator true');
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st.end();
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});
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t.end();
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});
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