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Unified Diff: test/mjsunit/es6/unscopables.js

Issue 455763002: Unship unscopables and disable array.values iterators (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Adjust BUILD.gn Created 6 years, 4 months ago
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Index: test/mjsunit/es6/unscopables.js
diff --git a/test/mjsunit/es6/unscopables.js b/test/mjsunit/es6/unscopables.js
deleted file mode 100644
index 678536dba425a952e9c9acdada1a09ea8f111d53..0000000000000000000000000000000000000000
--- a/test/mjsunit/es6/unscopables.js
+++ /dev/null
@@ -1,664 +0,0 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --harmony-unscopables
-// Flags: --harmony-collections
-
-var global = this;
-var globalProto = Object.getPrototypeOf(global);
-
-// Number of objects being tested. There is an assert ensuring this is correct.
-var objectCount = 21;
-
-
-function runTest(f) {
- function restore(object, oldProto) {
- delete object[Symbol.unscopables];
- delete object.x;
- delete object.x_;
- delete object.y;
- delete object.z;
- Object.setPrototypeOf(object, oldProto);
- }
-
- function getObject(i) {
- var objects = [
- {},
- [],
- function() {},
- function() {
- return arguments;
- }(),
- function() {
- 'use strict';
- return arguments;
- }(),
- Object(1),
- Object(true),
- Object('bla'),
- new Date,
- new RegExp,
- new Set,
- new Map,
- new WeakMap,
- new WeakSet,
- new ArrayBuffer(10),
- new Int32Array(5),
- Object,
- Function,
- Date,
- RegExp,
- global
- ];
-
- assertEquals(objectCount, objects.length);
- return objects[i];
- }
-
- // Tests depends on this not being there to start with.
- delete Array.prototype[Symbol.unscopables];
-
- if (f.length === 1) {
- for (var i = 0; i < objectCount; i++) {
- var object = getObject(i);
- var oldObjectProto = Object.getPrototypeOf(object);
- f(object);
- restore(object, oldObjectProto);
- }
- } else {
- for (var i = 0; i < objectCount; i++) {
- for (var j = 0; j < objectCount; j++) {
- var object = getObject(i);
- var proto = getObject(j);
- if (object === proto) {
- continue;
- }
- var oldObjectProto = Object.getPrototypeOf(object);
- var oldProtoProto = Object.getPrototypeOf(proto);
- f(object, proto);
- restore(object, oldObjectProto);
- restore(proto, oldProtoProto);
- }
- }
- }
-}
-
-// Test array first, since other tests are changing
-// Array.prototype[Symbol.unscopables].
-function TestArrayPrototypeUnscopables() {
- var descr = Object.getOwnPropertyDescriptor(Array.prototype,
- Symbol.unscopables);
- assertFalse(descr.enumerable);
- assertFalse(descr.writable);
- assertTrue(descr.configurable);
- assertEquals(null, Object.getPrototypeOf(descr.value));
-
- var copyWithin = 'local copyWithin';
- var entries = 'local entries';
- var fill = 'local fill';
- var find = 'local find';
- var findIndex = 'local findIndex';
- var keys = 'local keys';
- var values = 'local values';
-
- var array = [];
- array.toString = 42;
-
- with (array) {
- assertEquals('local copyWithin', copyWithin);
- assertEquals('local entries', entries);
- assertEquals('local fill', fill);
- assertEquals('local find', find);
- assertEquals('local findIndex', findIndex);
- assertEquals('local keys', keys);
- assertEquals('local values', values);
- assertEquals(42, toString);
- }
-}
-TestArrayPrototypeUnscopables();
-
-
-
-function TestBasics(object) {
- var x = 1;
- var y = 2;
- var z = 3;
- object.x = 4;
- object.y = 5;
-
- with (object) {
- assertEquals(4, x);
- assertEquals(5, y);
- assertEquals(3, z);
- }
-
- object[Symbol.unscopables] = {x: true};
- with (object) {
- assertEquals(1, x);
- assertEquals(5, y);
- assertEquals(3, z);
- }
-
- object[Symbol.unscopables] = {x: 0, y: true};
- with (object) {
- assertEquals(1, x);
- assertEquals(2, y);
- assertEquals(3, z);
- }
-}
-runTest(TestBasics);
-
-
-function TestUnscopableChain(object) {
- var x = 1;
- object.x = 2;
-
- with (object) {
- assertEquals(2, x);
- }
-
- object[Symbol.unscopables] = {
- __proto__: {x: true}
- };
- with (object) {
- assertEquals(1, x);
- }
-}
-runTest(TestUnscopableChain);
-
-
-function TestBasicsSet(object) {
- var x = 1;
- object.x = 2;
-
- with (object) {
- assertEquals(2, x);
- }
-
- object[Symbol.unscopables] = {x: true};
- with (object) {
- assertEquals(1, x);
- x = 3;
- assertEquals(3, x);
- }
-
- assertEquals(3, x);
- assertEquals(2, object.x);
-}
-runTest(TestBasicsSet);
-
-
-function TestOnProto(object, proto) {
- var x = 1;
- var y = 2;
- var z = 3;
- proto.x = 4;
-
- Object.setPrototypeOf(object, proto);
- object.y = 5;
-
- with (object) {
- assertEquals(4, x);
- assertEquals(5, y);
- assertEquals(3, z);
- }
-
- proto[Symbol.unscopables] = {x: true};
- with (object) {
- assertEquals(1, x);
- assertEquals(5, y);
- assertEquals(3, z);
- }
-
- object[Symbol.unscopables] = {y: true};
- with (object) {
- assertEquals(4, x);
- assertEquals(2, y);
- assertEquals(3, z);
- }
-
- proto[Symbol.unscopables] = {y: true};
- object[Symbol.unscopables] = {x: true};
- with (object) {
- assertEquals(1, x);
- assertEquals(5, y);
- assertEquals(3, z);
- }
-}
-runTest(TestOnProto);
-
-
-function TestSetBlockedOnProto(object, proto) {
- var x = 1;
- object.x = 2;
-
- with (object) {
- assertEquals(2, x);
- }
-
- Object.setPrototypeOf(object, proto);
- proto[Symbol.unscopables] = {x: true};
- with (object) {
- assertEquals(1, x);
- x = 3;
- assertEquals(3, x);
- }
-
- assertEquals(3, x);
- assertEquals(2, object.x);
-}
-runTest(TestSetBlockedOnProto);
-
-
-function TestNonObject(object) {
- var x = 1;
- var y = 2;
- object.x = 3;
- object.y = 4;
-
- object[Symbol.unscopables] = 'xy';
- with (object) {
- assertEquals(3, x);
- assertEquals(4, y);
- }
-
- object[Symbol.unscopables] = null;
- with (object) {
- assertEquals(3, x);
- assertEquals(4, y);
- }
-}
-runTest(TestNonObject);
-
-
-function TestChangeDuringWith(object) {
- var x = 1;
- var y = 2;
- object.x = 3;
- object.y = 4;
-
- with (object) {
- assertEquals(3, x);
- assertEquals(4, y);
- object[Symbol.unscopables] = {x: true};
- assertEquals(1, x);
- assertEquals(4, y);
- }
-}
-runTest(TestChangeDuringWith);
-
-
-function TestChangeDuringWithWithPossibleOptimization(object) {
- var x = 1;
- object.x = 2;
- with (object) {
- for (var i = 0; i < 1000; i++) {
- if (i === 500) object[Symbol.unscopables] = {x: true};
- assertEquals(i < 500 ? 2: 1, x);
- }
- }
-}
-TestChangeDuringWithWithPossibleOptimization({});
-
-
-function TestChangeDuringWithWithPossibleOptimization2(object) {
- var x = 1;
- object.x = 2;
- object[Symbol.unscopables] = {x: true};
- with (object) {
- for (var i = 0; i < 1000; i++) {
- if (i === 500) delete object[Symbol.unscopables];
- assertEquals(i < 500 ? 1 : 2, x);
- }
- }
-}
-TestChangeDuringWithWithPossibleOptimization2({});
-
-
-function TestChangeDuringWithWithPossibleOptimization3(object) {
- var x = 1;
- object.x = 2;
- object[Symbol.unscopables] = {};
- with (object) {
- for (var i = 0; i < 1000; i++) {
- if (i === 500) object[Symbol.unscopables].x = true;
- assertEquals(i < 500 ? 2 : 1, x);
- }
- }
-}
-TestChangeDuringWithWithPossibleOptimization3({});
-
-
-function TestChangeDuringWithWithPossibleOptimization4(object) {
- var x = 1;
- object.x = 2;
- object[Symbol.unscopables] = {x: true};
- with (object) {
- for (var i = 0; i < 1000; i++) {
- if (i === 500) delete object[Symbol.unscopables].x;
- assertEquals(i < 500 ? 1 : 2, x);
- }
- }
-}
-TestChangeDuringWithWithPossibleOptimization4({});
-
-
-function TestAccessorReceiver(object, proto) {
- var x = 'local';
-
- Object.defineProperty(proto, 'x', {
- get: function() {
- assertEquals(object, this);
- return this.x_;
- },
- configurable: true
- });
- proto.x_ = 'proto';
-
- Object.setPrototypeOf(object, proto);
- proto.x_ = 'object';
-
- with (object) {
- assertEquals('object', x);
- }
-}
-runTest(TestAccessorReceiver);
-
-
-function TestUnscopablesGetter(object) {
- // This test gets really messy when object is the global since the assert
- // functions are properties on the global object and the call count gets
- // completely different.
- if (object === global) return;
-
- var x = 'local';
- object.x = 'object';
-
- var callCount = 0;
- Object.defineProperty(object, Symbol.unscopables, {
- get: function() {
- callCount++;
- return {};
- },
- configurable: true
- });
- with (object) {
- assertEquals('object', x);
- }
- // Once for HasBinding
- assertEquals(1, callCount);
-
- callCount = 0;
- Object.defineProperty(object, Symbol.unscopables, {
- get: function() {
- callCount++;
- return {x: true};
- },
- configurable: true
- });
- with (object) {
- assertEquals('local', x);
- }
- // Once for HasBinding
- assertEquals(1, callCount);
-
- callCount = 0;
- Object.defineProperty(object, Symbol.unscopables, {
- get: function() {
- callCount++;
- return callCount == 1 ? {} : {x: true};
- },
- configurable: true
- });
- with (object) {
- x = 1;
- }
- // Once for HasBinding
- assertEquals(1, callCount);
- assertEquals(1, object.x);
- assertEquals('local', x);
- with (object) {
- x = 2;
- }
- // One more HasBinding.
- assertEquals(2, callCount);
- assertEquals(1, object.x);
- assertEquals(2, x);
-}
-runTest(TestUnscopablesGetter);
-
-
-var global = this;
-function TestUnscopablesGetter2() {
- var x = 'local';
-
- var globalProto = Object.getPrototypeOf(global);
- var protos = [{}, [], function() {}, global];
- var objects = [{}, [], function() {}];
-
- protos.forEach(function(proto) {
- objects.forEach(function(object) {
- Object.defineProperty(proto, 'x', {
- get: function() {
- assertEquals(object, this);
- return 'proto';
- },
- configurable: true
- });
-
- object.__proto__ = proto;
- Object.defineProperty(object, 'x', {
- get: function() {
- assertEquals(object, this);
- return 'object';
- },
- configurable: true
- });
-
- with (object) {
- assertEquals('object', x);
- }
-
- object[Symbol.unscopables] = {x: true};
- with (object) {
- assertEquals('local', x);
- }
-
- delete proto[Symbol.unscopables];
- delete object[Symbol.unscopables];
- });
- });
-
- delete global.x;
- Object.setPrototypeOf(global, globalProto);
-}
-TestUnscopablesGetter2();
-
-
-function TestSetterOnBlacklisted(object, proto) {
- var x = 'local';
- Object.defineProperty(proto, 'x', {
- set: function(x) {
- assertUnreachable();
- },
- get: function() {
- return 'proto';
- },
- configurable: true
- });
- Object.setPrototypeOf(object, proto);
- Object.defineProperty(object, 'x', {
- get: function() {
- return this.x_;
- },
- set: function(x) {
- this.x_ = x;
- },
- configurable: true
- });
- object.x_ = 1;
-
- with (object) {
- x = 2;
- assertEquals(2, x);
- }
-
- assertEquals(2, object.x);
-
- object[Symbol.unscopables] = {x: true};
-
- with (object) {
- x = 3;
- assertEquals(3, x);
- }
-
- assertEquals(2, object.x);
-}
-runTest(TestSetterOnBlacklisted);
-
-
-function TestObjectsAsUnscopables(object, unscopables) {
- var x = 1;
- object.x = 2;
-
- with (object) {
- assertEquals(2, x);
- object[Symbol.unscopables] = unscopables;
- assertEquals(2, x);
- }
-}
-runTest(TestObjectsAsUnscopables);
-
-
-function TestAccessorOnUnscopables(object) {
- var x = 1;
- object.x = 2;
-
- var unscopables = {
- get x() {
- assertUnreachable();
- }
- };
-
- with (object) {
- assertEquals(2, x);
- object[Symbol.unscopables] = unscopables;
- assertEquals(1, x);
- }
-}
-runTest(TestAccessorOnUnscopables);
-
-
-function TestLengthUnscopables(object, proto) {
- var length = 2;
- with (object) {
- assertEquals(1, length);
- object[Symbol.unscopables] = {length: true};
- assertEquals(2, length);
- delete object[Symbol.unscopables];
- assertEquals(1, length);
- }
-}
-TestLengthUnscopables([1], Array.prototype);
-TestLengthUnscopables(function(x) {}, Function.prototype);
-TestLengthUnscopables(new String('x'), String.prototype);
-
-
-function TestFunctionNameUnscopables(object) {
- var name = 'local';
- with (object) {
- assertEquals('f', name);
- object[Symbol.unscopables] = {name: true};
- assertEquals('local', name);
- delete object[Symbol.unscopables];
- assertEquals('f', name);
- }
-}
-TestFunctionNameUnscopables(function f() {});
-
-
-function TestFunctionPrototypeUnscopables() {
- var prototype = 'local';
- var f = function() {};
- var g = function() {};
- Object.setPrototypeOf(f, g);
- var fp = f.prototype;
- var gp = g.prototype;
- with (f) {
- assertEquals(fp, prototype);
- f[Symbol.unscopables] = {prototype: true};
- assertEquals('local', prototype);
- delete f[Symbol.unscopables];
- assertEquals(fp, prototype);
- }
-}
-TestFunctionPrototypeUnscopables(function() {});
-
-
-function TestFunctionArgumentsUnscopables() {
- var func = function() {
- var arguments = 'local';
- var args = func.arguments;
- with (func) {
- assertEquals(args, arguments);
- func[Symbol.unscopables] = {arguments: true};
- assertEquals('local', arguments);
- delete func[Symbol.unscopables];
- assertEquals(args, arguments);
- }
- }
- func(1);
-}
-TestFunctionArgumentsUnscopables();
-
-
-function TestArgumentsLengthUnscopables() {
- var func = function() {
- var length = 'local';
- with (arguments) {
- assertEquals(1, length);
- arguments[Symbol.unscopables] = {length: true};
- assertEquals('local', length);
- }
- }
- func(1);
-}
-TestArgumentsLengthUnscopables();
-
-
-function TestFunctionCallerUnscopables() {
- var func = function() {
- var caller = 'local';
- with (func) {
- assertEquals(TestFunctionCallerUnscopables, caller);
- func[Symbol.unscopables] = {caller: true};
- assertEquals('local', caller);
- delete func[Symbol.unscopables];
- assertEquals(TestFunctionCallerUnscopables, caller);
- }
- }
- func(1);
-}
-TestFunctionCallerUnscopables();
-
-
-function TestGetUnscopablesGetterThrows() {
- var object = {
- get x() {
- assertUnreachable();
- }
- };
- function CustomError() {}
- Object.defineProperty(object, Symbol.unscopables, {
- get: function() {
- throw new CustomError();
- }
- });
- assertThrows(function() {
- with (object) {
- x;
- }
- }, CustomError);
-}
-TestGetUnscopablesGetterThrows();
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