54 lines
1.4 KiB
Plaintext
54 lines
1.4 KiB
Plaintext
'use strict';
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var test = require('tape');
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var hasToStringTag = require('has-tostringtag/shams')();
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var has = require('has');
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var setToStringTag = require('../');
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test('setToStringTag', function (t) {
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t.equal(typeof setToStringTag, 'function', 'is a function');
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var obj = {};
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var sentinel = {};
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setToStringTag(obj, sentinel);
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t.test('has Symbol.toStringTag', { skip: !hasToStringTag }, function (st) {
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st.ok(has(obj, Symbol.toStringTag), 'has toStringTag property');
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st.equal(obj[Symbol.toStringTag], sentinel, 'toStringTag property is as expected');
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st.equal(String(obj), '[object Object]', 'toStringTag works');
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var tagged = {};
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tagged[Symbol.toStringTag] = 'already tagged';
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st.equal(String(tagged), '[object already tagged]', 'toStringTag works');
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setToStringTag(tagged, 'new tag');
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st.equal(String(tagged), '[object already tagged]', 'toStringTag is unchanged');
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setToStringTag(tagged, 'new tag', { force: true });
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st.equal(String(tagged), '[object new tag]', 'toStringTag is changed with force: true');
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st.end();
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});
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t.test('does not have Symbol.toStringTag', { skip: hasToStringTag }, function (st) {
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var passed = true;
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for (var key in obj) { // eslint-disable-line no-restricted-syntax
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if (has(obj, key)) {
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st.fail('object has own key ' + key);
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passed = false;
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}
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}
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if (passed) {
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st.ok(true, 'object has no enumerable own keys');
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}
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st.end();
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});
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t.end();
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});
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