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- 'use strict';
- var test = require('tape');
- var hasToStringTag = require('has-tostringtag/shams')();
- var inspect = require('../');
- test('Symbol.toStringTag', { skip: !hasToStringTag }, function (t) {
- t.plan(4);
- var obj = { a: 1 };
- t.equal(inspect(obj), '{ a: 1 }', 'object, no Symbol.toStringTag');
- obj[Symbol.toStringTag] = 'foo';
- t.equal(inspect(obj), '{ a: 1, [Symbol(Symbol.toStringTag)]: \'foo\' }', 'object with Symbol.toStringTag');
- t.test('null objects', { skip: 'toString' in { __proto__: null } }, function (st) {
- st.plan(2);
- var dict = { __proto__: null, a: 1 };
- st.equal(inspect(dict), '[Object: null prototype] { a: 1 }', 'null object with Symbol.toStringTag');
- dict[Symbol.toStringTag] = 'Dict';
- st.equal(inspect(dict), '[Dict: null prototype] { a: 1, [Symbol(Symbol.toStringTag)]: \'Dict\' }', 'null object with Symbol.toStringTag');
- });
- t.test('instances', function (st) {
- st.plan(4);
- function C() {
- this.a = 1;
- }
- st.equal(Object.prototype.toString.call(new C()), '[object Object]', 'instance, no toStringTag, Object.prototype.toString');
- st.equal(inspect(new C()), 'C { a: 1 }', 'instance, no toStringTag');
- C.prototype[Symbol.toStringTag] = 'Class!';
- st.equal(Object.prototype.toString.call(new C()), '[object Class!]', 'instance, with toStringTag, Object.prototype.toString');
- st.equal(inspect(new C()), 'C [Class!] { a: 1 }', 'instance, with toStringTag');
- });
- });
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