73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
'use strict';
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var defineProperties = require('define-properties');
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var test = require('tape');
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var hasSymbols = require('has-symbols')();
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var hasToStringTag = require('has-tostringtag');
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var functionsHaveNames = require('functions-have-names')();
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var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames();
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var index = require('../Iterator.prototype');
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var impl = require('../Iterator.prototype/implementation');
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var isEnumerable = Object.prototype.propertyIsEnumerable;
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var $Iterator = require('../Iterator/implementation');
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module.exports = {
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tests: function (proto, name, t) {
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t.notEqual(proto, null, 'is not null');
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t.equal(typeof proto, 'object', 'is an object');
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t.test('Symbol.iterator', { skip: !hasSymbols }, function (st) {
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st.equal(typeof proto[Symbol.iterator], 'function', 'has a `Symbol.iterator` method');
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st.equal(
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proto[Symbol.iterator].name,
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'[Symbol.iterator]',
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'has name "[Symbol.iterator]"',
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{ skip: functionsHaveNames && !functionsHaveConfigurableNames }
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);
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st.equal(proto[Symbol.iterator](), proto, 'function returns proto');
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st.equal(proto[Symbol.iterator].call($Iterator), $Iterator, 'function returns receiver');
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st.end();
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});
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t.test(
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'Symbol.toStringTag',
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{ skip: !hasToStringTag || 'temporarily skipped pending https://bugs.chromium.org/p/chromium/issues/detail?id=1477372' },
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function (st) {
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st.equal(proto[Symbol.toStringTag], 'Iterator', 'has a `Symbol.toStringTag` property');
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st.end();
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}
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);
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},
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index: function () {
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test('Iterator.prototype: index', function (t) {
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module.exports.tests(index, 'Iterator.prototype', t);
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t.end();
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});
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},
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implementation: function () {
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test('Iterator.prototype: implementation', function (t) {
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module.exports.tests(impl, 'Iterator.prototype', t);
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t.end();
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});
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},
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shimmed: function () {
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test('Iterator.prototype: shimmed', function (t) {
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t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
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et.equal(false, isEnumerable.call(Iterator, 'prototype'), 'Iterator.prototype is not enumerable');
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et.end();
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});
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module.exports.tests(Iterator.prototype, 'Iterator.prototype', t);
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t.end();
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});
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}
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};
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