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1'use strict';2 3var GetIntrinsic = require('../');4 5var test = require('tape');6var forEach = require('for-each');7var debug = require('object-inspect');8var generatorFns = require('make-generator-function')();9var asyncFns = require('make-async-function').list();10var asyncGenFns = require('make-async-generator-function')();11var mockProperty = require('mock-property');12 13var callBound = require('call-bound');14var v = require('es-value-fixtures');15var $gOPD = require('gopd');16var DefinePropertyOrThrow = require('es-abstract/2023/DefinePropertyOrThrow');17 18var $isProto = callBound('%Object.prototype.isPrototypeOf%');19 20test('export', function (t) {21	t.equal(typeof GetIntrinsic, 'function', 'it is a function');22	t.equal(GetIntrinsic.length, 2, 'function has length of 2');23 24	t.end();25});26 27test('throws', function (t) {28	t['throws'](29		function () { GetIntrinsic('not an intrinsic'); },30		SyntaxError,31		'nonexistent intrinsic throws a syntax error'32	);33 34	t['throws'](35		function () { GetIntrinsic(''); },36		TypeError,37		'empty string intrinsic throws a type error'38	);39 40	t['throws'](41		function () { GetIntrinsic('.'); },42		SyntaxError,43		'"just a dot" intrinsic throws a syntax error'44	);45 46	t['throws'](47		function () { GetIntrinsic('%String'); },48		SyntaxError,49		'Leading % without trailing % throws a syntax error'50	);51 52	t['throws'](53		function () { GetIntrinsic('String%'); },54		SyntaxError,55		'Trailing % without leading % throws a syntax error'56	);57 58	t['throws'](59		function () { GetIntrinsic("String['prototype]"); },60		SyntaxError,61		'Dynamic property access is disallowed for intrinsics (unterminated string)'62	);63 64	t['throws'](65		function () { GetIntrinsic('%Proxy.prototype.undefined%'); },66		TypeError,67		"Throws when middle part doesn't exist (%Proxy.prototype.undefined%)"68	);69 70	t['throws'](71		function () { GetIntrinsic('%Array.prototype%garbage%'); },72		SyntaxError,73		'Throws with extra percent signs'74	);75 76	t['throws'](77		function () { GetIntrinsic('%Array.prototype%push%'); },78		SyntaxError,79		'Throws with extra percent signs, even on an existing intrinsic'80	);81 82	forEach(v.nonStrings, function (nonString) {83		t['throws'](84			function () { GetIntrinsic(nonString); },85			TypeError,86			debug(nonString) + ' is not a String'87		);88	});89 90	forEach(v.nonBooleans, function (nonBoolean) {91		t['throws'](92			function () { GetIntrinsic('%', nonBoolean); },93			TypeError,94			debug(nonBoolean) + ' is not a Boolean'95		);96	});97 98	forEach([99		'toString',100		'propertyIsEnumerable',101		'hasOwnProperty'102	], function (objectProtoMember) {103		t['throws'](104			function () { GetIntrinsic(objectProtoMember); },105			SyntaxError,106			debug(objectProtoMember) + ' is not an intrinsic'107		);108	});109 110	t.end();111});112 113test('base intrinsics', function (t) {114	t.equal(GetIntrinsic('%Object%'), Object, '%Object% yields Object');115	t.equal(GetIntrinsic('Object'), Object, 'Object yields Object');116	t.equal(GetIntrinsic('%Array%'), Array, '%Array% yields Array');117	t.equal(GetIntrinsic('Array'), Array, 'Array yields Array');118 119	t.end();120});121 122test('dotted paths', function (t) {123	t.equal(GetIntrinsic('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% yields Object.prototype.toString');124	t.equal(GetIntrinsic('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString yields Object.prototype.toString');125	t.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push, '%Array.prototype.push% yields Array.prototype.push');126	t.equal(GetIntrinsic('Array.prototype.push'), Array.prototype.push, 'Array.prototype.push yields Array.prototype.push');127 128	test('underscore paths are aliases for dotted paths', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {129		var original = GetIntrinsic('%ObjProto_toString%');130 131		forEach([132			'%Object.prototype.toString%',133			'Object.prototype.toString',134			'%ObjectPrototype.toString%',135			'ObjectPrototype.toString',136			'%ObjProto_toString%',137			'ObjProto_toString'138		], function (name) {139			DefinePropertyOrThrow(Object.prototype, 'toString', {140				'[[Value]]': function toString() {141					return original.apply(this, arguments);142				}143			});144			st.equal(GetIntrinsic(name), original, name + ' yields original Object.prototype.toString');145		});146 147		DefinePropertyOrThrow(Object.prototype, 'toString', { '[[Value]]': original });148		st.end();149	});150 151	test('dotted paths cache', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {152		var original = GetIntrinsic('%Object.prototype.propertyIsEnumerable%');153 154		forEach([155			'%Object.prototype.propertyIsEnumerable%',156			'Object.prototype.propertyIsEnumerable',157			'%ObjectPrototype.propertyIsEnumerable%',158			'ObjectPrototype.propertyIsEnumerable'159		], function (name) {160			var restore = mockProperty(Object.prototype, 'propertyIsEnumerable', {161				value: function propertyIsEnumerable() {162					return original.apply(this, arguments);163				}164			});165			st.equal(GetIntrinsic(name), original, name + ' yields cached Object.prototype.propertyIsEnumerable');166 167			restore();168		});169 170		st.end();171	});172 173	test('dotted path reports correct error', function (st) {174		st['throws'](function () {175			GetIntrinsic('%NonExistentIntrinsic.prototype.property%');176		}, /%NonExistentIntrinsic%/, 'The base intrinsic of %NonExistentIntrinsic.prototype.property% is %NonExistentIntrinsic%');177 178		st['throws'](function () {179			GetIntrinsic('%NonExistentIntrinsicPrototype.property%');180		}, /%NonExistentIntrinsicPrototype%/, 'The base intrinsic of %NonExistentIntrinsicPrototype.property% is %NonExistentIntrinsicPrototype%');181 182		st.end();183	});184 185	t.end();186});187 188test('accessors', { skip: !$gOPD || typeof Map !== 'function' }, function (t) {189	var actual = $gOPD(Map.prototype, 'size');190	t.ok(actual, 'Map.prototype.size has a descriptor');191	t.equal(typeof actual.get, 'function', 'Map.prototype.size has a getter function');192	t.equal(GetIntrinsic('%Map.prototype.size%'), actual.get, '%Map.prototype.size% yields the getter for it');193	t.equal(GetIntrinsic('Map.prototype.size'), actual.get, 'Map.prototype.size yields the getter for it');194 195	t.end();196});197 198test('generator functions', { skip: !generatorFns.length }, function (t) {199	var $GeneratorFunction = GetIntrinsic('%GeneratorFunction%');200	var $GeneratorFunctionPrototype = GetIntrinsic('%Generator%');201	var $GeneratorPrototype = GetIntrinsic('%GeneratorPrototype%');202 203	forEach(generatorFns, function (genFn) {204		var fnName = genFn.name;205		fnName = fnName ? "'" + fnName + "'" : 'genFn';206 207		t.ok(genFn instanceof $GeneratorFunction, fnName + ' instanceof %GeneratorFunction%');208		t.ok($isProto($GeneratorFunctionPrototype, genFn), '%Generator% is prototype of ' + fnName);209		t.ok($isProto($GeneratorPrototype, genFn.prototype), '%GeneratorPrototype% is prototype of ' + fnName + '.prototype');210	});211 212	t.end();213});214 215test('async functions', { skip: !asyncFns.length }, function (t) {216	var $AsyncFunction = GetIntrinsic('%AsyncFunction%');217	var $AsyncFunctionPrototype = GetIntrinsic('%AsyncFunctionPrototype%');218 219	forEach(asyncFns, function (asyncFn) {220		var fnName = asyncFn.name;221		fnName = fnName ? "'" + fnName + "'" : 'asyncFn';222 223		t.ok(asyncFn instanceof $AsyncFunction, fnName + ' instanceof %AsyncFunction%');224		t.ok($isProto($AsyncFunctionPrototype, asyncFn), '%AsyncFunctionPrototype% is prototype of ' + fnName);225	});226 227	t.end();228});229 230test('async generator functions', { skip: asyncGenFns.length === 0 }, function (t) {231	var $AsyncGeneratorFunction = GetIntrinsic('%AsyncGeneratorFunction%');232	var $AsyncGeneratorFunctionPrototype = GetIntrinsic('%AsyncGenerator%');233	var $AsyncGeneratorPrototype = GetIntrinsic('%AsyncGeneratorPrototype%');234 235	forEach(asyncGenFns, function (asyncGenFn) {236		var fnName = asyncGenFn.name;237		fnName = fnName ? "'" + fnName + "'" : 'asyncGenFn';238 239		t.ok(asyncGenFn instanceof $AsyncGeneratorFunction, fnName + ' instanceof %AsyncGeneratorFunction%');240		t.ok($isProto($AsyncGeneratorFunctionPrototype, asyncGenFn), '%AsyncGenerator% is prototype of ' + fnName);241		t.ok($isProto($AsyncGeneratorPrototype, asyncGenFn.prototype), '%AsyncGeneratorPrototype% is prototype of ' + fnName + '.prototype');242	});243 244	t.end();245});246 247test('%ThrowTypeError%', function (t) {248	var $ThrowTypeError = GetIntrinsic('%ThrowTypeError%');249 250	t.equal(typeof $ThrowTypeError, 'function', 'is a function');251	t['throws'](252		$ThrowTypeError,253		TypeError,254		'%ThrowTypeError% throws a TypeError'255	);256 257	t.end();258});259 260test('allowMissing', { skip: asyncGenFns.length > 0 }, function (t) {261	t['throws'](262		function () { GetIntrinsic('%AsyncGeneratorPrototype%'); },263		TypeError,264		'throws when missing'265	);266 267	t.equal(268		GetIntrinsic('%AsyncGeneratorPrototype%', true),269		undefined,270		'does not throw when allowMissing'271	);272 273	t.end();274});275