astro-ghostcms/.pnpm-store/v3/files/f9/f90814c15b9c9977ad8819c7e46...

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2024-02-14 14:10:47 +00:00
'use strict';
var defineProperties = require('define-properties');
var test = require('tape');
var callBind = require('call-bind');
var functionsHaveNames = require('functions-have-names')();
var hasStrictMode = require('has-strict-mode')();
var forEachNormal = require('for-each');
var debug = require('object-inspect');
var v = require('es-value-fixtures');
var hasSymbols = require('has-symbols/shams')();
var index = require('../Iterator.prototype.forEach');
var impl = require('../Iterator.prototype.forEach/implementation');
var fnName = 'forEach';
var isEnumerable = Object.prototype.propertyIsEnumerable;
var testIterator = require('./helpers/testIterator');
module.exports = {
tests: function (forEach, name, t) {
t['throws'](
function () { return new forEach(); }, // eslint-disable-line new-cap
TypeError,
'`' + name + '` is not a constructor'
);
forEachNormal(v.primitives.concat(v.objects), function (nonIterator) {
t['throws'](
function () { forEach(nonIterator); },
TypeError,
debug(nonIterator) + ' is not an Object with a callable `next` method'
);
var badNext = { next: nonIterator };
t['throws'](
function () { forEach(badNext); },
TypeError,
debug(badNext) + ' is not an Object with a callable `next` method'
);
});
forEachNormal(v.nonFunctions, function (nonFunction) {
t['throws'](
function () { forEach({ next: function () {} }, nonFunction); },
TypeError,
debug(nonFunction) + ' is not a function'
);
});
t.test('actual iteration', { skip: !hasSymbols }, function (st) {
var arr = [1, 2, 3];
var iterator = callBind(arr[Symbol.iterator], arr);
st['throws'](
function () { return new forEach(iterator()); }, // eslint-disable-line new-cap
TypeError,
'`' + name + '` iterator is not a constructor'
);
st['throws'](
function () { return new forEach(iterator(), function () {}); }, // eslint-disable-line new-cap
TypeError,
'`' + name + '` iterator is not a constructor'
);
testIterator(iterator(), [1, 2, 3], st, 'original');
var results = [];
var ret = forEach(
iterator(),
function (x, i) {
// eslint-disable-next-line no-invalid-this
results.push({ value: x, count: i, 'this': this, args: arguments.length });
}
);
st.equal(ret, undefined, 'returns undefined');
st.deepEqual(
results,
[
{ value: 1, count: 0, 'this': undefined, args: 2 },
{ value: 2, count: 1, 'this': undefined, args: 2 },
{ value: 3, count: 2, 'this': undefined, args: 2 }
],
'forEach callback receives the expected values'
);
st.end();
});
},
index: function () {
test('Iterator.prototype.' + fnName + ': index', function (t) {
module.exports.tests(index, 'Iterator.prototype.' + fnName, t);
t.end();
});
},
implementation: function () {
test('Iterator.prototype.' + fnName + ': implementation', function (t) {
module.exports.tests(callBind(impl), 'Iterator.prototype.' + fnName, t);
t.end();
});
},
shimmed: function () {
test('Iterator.prototype.' + fnName + ': shimmed', function (t) {
t.test('Function name', { skip: !functionsHaveNames }, function (st) {
st.equal(Iterator.prototype[fnName].name, fnName, 'Iterator#' + fnName + ' has name "' + fnName + '"');
st.end();
});
t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
et.equal(false, isEnumerable.call(Iterator.prototype, fnName), 'Iterator#' + fnName + ' is not enumerable');
et.end();
});
t.test('bad string/this value', { skip: !hasStrictMode }, function (st) {
st['throws'](function () { return Iterator.prototype[fnName].call(undefined, 'a'); }, TypeError, 'undefined is not an object');
st['throws'](function () { return Iterator.prototype[fnName].call(null, 'a'); }, TypeError, 'null is not an object');
st.end();
});
module.exports.tests(callBind(Iterator.prototype[fnName]), 'Iterator.prototype.' + fnName, t);
t.end();
});
}
};