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-rw-r--r--backend/node_modules/get-intrinsic/test/GetIntrinsic.js274
1 files changed, 274 insertions, 0 deletions
diff --git a/backend/node_modules/get-intrinsic/test/GetIntrinsic.js b/backend/node_modules/get-intrinsic/test/GetIntrinsic.js
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+++ b/backend/node_modules/get-intrinsic/test/GetIntrinsic.js
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+'use strict';
+
+var GetIntrinsic = require('../');
+
+var test = require('tape');
+var forEach = require('for-each');
+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 mockProperty = require('mock-property');
+
+var callBound = require('call-bind/callBound');
+var v = require('es-value-fixtures');
+var $gOPD = require('gopd');
+var DefinePropertyOrThrow = require('es-abstract/2021/DefinePropertyOrThrow');
+
+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%)"
+ );
+
+ t['throws'](
+ function () { GetIntrinsic('%Array.prototype%garbage%'); },
+ SyntaxError,
+ 'Throws with extra percent signs'
+ );
+
+ t['throws'](
+ function () { GetIntrinsic('%Array.prototype%push%'); },
+ SyntaxError,
+ 'Throws with extra percent signs, even on an existing intrinsic'
+ );
+
+ 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) {
+ DefinePropertyOrThrow(Object.prototype, 'toString', {
+ '[[Value]]': function toString() {
+ return original.apply(this, arguments);
+ }
+ });
+ st.equal(GetIntrinsic(name), original, name + ' yields original Object.prototype.toString');
+ });
+
+ DefinePropertyOrThrow(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) {
+ var restore = mockProperty(Object.prototype, 'propertyIsEnumerable', {
+ value: function propertyIsEnumerable() {
+ return original.apply(this, arguments);
+ }
+ });
+ st.equal(GetIntrinsic(name), original, name + ' yields cached Object.prototype.propertyIsEnumerable');
+
+ restore();
+ });
+
+ 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 === 0 }, 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();
+});
+
+test('%ThrowTypeError%', function (t) {
+ var $ThrowTypeError = GetIntrinsic('%ThrowTypeError%');
+
+ t.equal(typeof $ThrowTypeError, 'function', 'is a function');
+ t['throws'](
+ $ThrowTypeError,
+ TypeError,
+ '%ThrowTypeError% throws a TypeError'
+ );
+
+ t.end();
+});
+
+test('allowMissing', { skip: asyncGenFns.length > 0 }, function (t) {
+ t['throws'](
+ function () { GetIntrinsic('%AsyncGeneratorPrototype%'); },
+ TypeError,
+ 'throws when missing'
+ );
+
+ t.equal(
+ GetIntrinsic('%AsyncGeneratorPrototype%', true),
+ undefined,
+ 'does not throw when allowMissing'
+ );
+
+ t.end();
+});