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rOACCT/node_modules/get-intrinsic/test/GetIntrinsic.js
324418211df6validity_dates

GetIntrinsic.js
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			'use strict';

			var GetIntrinsic = require('../');

			var test = require('tape');
			var forEach = require('foreach');
			var debug = require('object-inspect');
			var generatorFns = require('make-generator-function')();
			var asyncFns = require('make-async-function').list();
			var asyncGenFns = require('make-async-generator-function')();

			var callBound = require('es-abstract/helpers/callBound');
			var v = require('es-value-fixtures');
			var $gOPD = require('es-abstract/helpers/getOwnPropertyDescriptor');
			var defineProperty = require('es-abstract/test/helpers/defineProperty');

			var $isProto = callBound('%Object.prototype.isPrototypeOf%');

			test('export', function (t) {
			t.equal(typeof GetIntrinsic, 'function', 'it is a function');
			t.equal(GetIntrinsic.length, 2, 'function has length of 2');

			t.end();
			});

			test('throws', function (t) {
			t['throws'](
			function () { GetIntrinsic('not an intrinsic'); },
			SyntaxError,
			'nonexistent intrinsic throws a syntax error'
			);

			t['throws'](
			function () { GetIntrinsic(''); },
			TypeError,
			'empty string intrinsic throws a type error'
			);

			t['throws'](
			function () { GetIntrinsic('.'); },
			SyntaxError,
			'"just a dot" intrinsic throws a syntax error'
			);

			t['throws'](
			function () { GetIntrinsic('%String'); },
			SyntaxError,
			'Leading % without trailing % throws a syntax error'
			);

			t['throws'](
			function () { GetIntrinsic('String%'); },
			SyntaxError,
			'Trailing % without leading % throws a syntax error'
			);

			t['throws'](
			function () { GetIntrinsic("String['prototype]"); },
			SyntaxError,
			'Dynamic property access is disallowed for intrinsics (unterminated string)'
			);

			t['throws'](
			function () { GetIntrinsic('%Proxy.prototype.undefined%'); },
			TypeError,
			"Throws when middle part doesn't exist (%Proxy.prototype.undefined%)"
			);

			forEach(v.nonStrings, function (nonString) {
			t['throws'](
			function () { GetIntrinsic(nonString); },
			TypeError,
			debug(nonString) + ' is not a String'
			);
			});

			forEach(v.nonBooleans, function (nonBoolean) {
			t['throws'](
			function () { GetIntrinsic('%', nonBoolean); },
			TypeError,
			debug(nonBoolean) + ' is not a Boolean'
			);
			});

			forEach([
			'toString',
			'propertyIsEnumerable',
			'hasOwnProperty'
			], function (objectProtoMember) {
			t['throws'](
			function () { GetIntrinsic(objectProtoMember); },
			SyntaxError,
			debug(objectProtoMember) + ' is not an intrinsic'
			);
			});

			t.end();
			});

			test('base intrinsics', function (t) {
			t.equal(GetIntrinsic('%Object%'), Object, '%Object% yields Object');
			t.equal(GetIntrinsic('Object'), Object, 'Object yields Object');
			t.equal(GetIntrinsic('%Array%'), Array, '%Array% yields Array');
			t.equal(GetIntrinsic('Array'), Array, 'Array yields Array');

			t.end();
			});

			test('dotted paths', function (t) {
			t.equal(GetIntrinsic('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% yields Object.prototype.toString');
			t.equal(GetIntrinsic('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString yields Object.prototype.toString');
			t.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push, '%Array.prototype.push% yields Array.prototype.push');
			t.equal(GetIntrinsic('Array.prototype.push'), Array.prototype.push, 'Array.prototype.push yields Array.prototype.push');

			test('underscore paths are aliases for dotted paths', { skip: !Object.isFrozen \|\| Object.isFrozen(Object.prototype) }, function (st) {
			var original = GetIntrinsic('%ObjProto_toString%');

			forEach([
			'%Object.prototype.toString%',
			'Object.prototype.toString',
			'%ObjectPrototype.toString%',
			'ObjectPrototype.toString',
			'%ObjProto_toString%',
			'ObjProto_toString'
			], function (name) {
			defineProperty(Object.prototype, 'toString', {
			value: function toString() {
			return original.apply(this, arguments);
			}
			});
			st.equal(GetIntrinsic(name), original, name + ' yields original Object.prototype.toString');
			});

			defineProperty(Object.prototype, 'toString', { value: original });
			st.end();
			});

			test('dotted paths cache', { skip: !Object.isFrozen \|\| Object.isFrozen(Object.prototype) }, function (st) {
			var original = GetIntrinsic('%Object.prototype.propertyIsEnumerable%');

			forEach([
			'%Object.prototype.propertyIsEnumerable%',
			'Object.prototype.propertyIsEnumerable',
			'%ObjectPrototype.propertyIsEnumerable%',
			'ObjectPrototype.propertyIsEnumerable'
			], function (name) {
			// eslint-disable-next-line no-extend-native
			Object.prototype.propertyIsEnumerable = function propertyIsEnumerable() {
			return original.apply(this, arguments);
			};
			st.equal(GetIntrinsic(name), original, name + ' yields cached Object.prototype.propertyIsEnumerable');
			});

			// eslint-disable-next-line no-extend-native
			Object.prototype.propertyIsEnumerable = original;
			st.end();
			});

			test('dotted path reports correct error', function (st) {
			st['throws'](function () {
			GetIntrinsic('%NonExistentIntrinsic.prototype.property%');
			}, /%NonExistentIntrinsic%/, 'The base intrinsic of %NonExistentIntrinsic.prototype.property% is %NonExistentIntrinsic%');

			st['throws'](function () {
			GetIntrinsic('%NonExistentIntrinsicPrototype.property%');
			}, /%NonExistentIntrinsicPrototype%/, 'The base intrinsic of %NonExistentIntrinsicPrototype.property% is %NonExistentIntrinsicPrototype%');

			st.end();
			});

			t.end();
			});

			test('accessors', { skip: !$gOPD \|\| typeof Map !== 'function' }, function (t) {
			var actual = $gOPD(Map.prototype, 'size');
			t.ok(actual, 'Map.prototype.size has a descriptor');
			t.equal(typeof actual.get, 'function', 'Map.prototype.size has a getter function');
			t.equal(GetIntrinsic('%Map.prototype.size%'), actual.get, '%Map.prototype.size% yields the getter for it');
			t.equal(GetIntrinsic('Map.prototype.size'), actual.get, 'Map.prototype.size yields the getter for it');

			t.end();
			});

			test('generator functions', { skip: !generatorFns.length }, function (t) {
			var $GeneratorFunction = GetIntrinsic('%GeneratorFunction%');
			var $GeneratorFunctionPrototype = GetIntrinsic('%Generator%');
			var $GeneratorPrototype = GetIntrinsic('%GeneratorPrototype%');

			forEach(generatorFns, function (genFn) {
			var fnName = genFn.name;
			fnName = fnName ? "'" + fnName + "'" : 'genFn';

			t.ok(genFn instanceof $GeneratorFunction, fnName + ' instanceof %GeneratorFunction%');
			t.ok($isProto($GeneratorFunctionPrototype, genFn), '%Generator% is prototype of ' + fnName);
			t.ok($isProto($GeneratorPrototype, genFn.prototype), '%GeneratorPrototype% is prototype of ' + fnName + '.prototype');
			});

			t.end();
			});

			test('async functions', { skip: !asyncFns.length }, function (t) {
			var $AsyncFunction = GetIntrinsic('%AsyncFunction%');
			var $AsyncFunctionPrototype = GetIntrinsic('%AsyncFunctionPrototype%');

			forEach(asyncFns, function (asyncFn) {
			var fnName = asyncFn.name;
			fnName = fnName ? "'" + fnName + "'" : 'asyncFn';

			t.ok(asyncFn instanceof $AsyncFunction, fnName + ' instanceof %AsyncFunction%');
			t.ok($isProto($AsyncFunctionPrototype, asyncFn), '%AsyncFunctionPrototype% is prototype of ' + fnName);
			});

			t.end();
			});

			test('async generator functions', { skip: !asyncGenFns.length }, function (t) {
			var $AsyncGeneratorFunction = GetIntrinsic('%AsyncGeneratorFunction%');
			var $AsyncGeneratorFunctionPrototype = GetIntrinsic('%AsyncGenerator%');
			var $AsyncGeneratorPrototype = GetIntrinsic('%AsyncGeneratorPrototype%');

			forEach(asyncGenFns, function (asyncGenFn) {
			var fnName = asyncGenFn.name;
			fnName = fnName ? "'" + fnName + "'" : 'asyncGenFn';

			t.ok(asyncGenFn instanceof $AsyncGeneratorFunction, fnName + ' instanceof %AsyncGeneratorFunction%');
			t.ok($isProto($AsyncGeneratorFunctionPrototype, asyncGenFn), '%AsyncGenerator% is prototype of ' + fnName);
			t.ok($isProto($AsyncGeneratorPrototype, asyncGenFn.prototype), '%AsyncGeneratorPrototype% is prototype of ' + fnName + '.prototype');
			});

			t.end();
			});