Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --strong-mode --allow-natives-syntax |
| 6 | |
| 7 | // TODO(conradw): Track implementation of strong bit for other objects, add |
| 8 | // tests. |
| 9 | |
| 10 | function getSloppyObjects() { |
| 11 | return [(function(){}), ({})]; |
| 12 | } |
| 13 | |
| 14 | function getStrictObjects() { |
| 15 | "use strict"; |
| 16 | return [(function(){}), ({})]; |
| 17 | } |
| 18 | |
| 19 | function getStrongObjects() { |
| 20 | "use strong"; |
| 21 | return [(function(){}), ({})]; |
| 22 | } |
| 23 | |
| 24 | function declareObjectLiteralWithProtoSloppy() { |
| 25 | return {__proto__: {}}; |
| 26 | } |
| 27 | |
| 28 | function declareObjectLiteralWithProtoStrong() { |
| 29 | "use strong"; |
| 30 | return {__proto__: {}}; |
| 31 | } |
| 32 | |
| 33 | function testStrongObjectSetProto() { |
| 34 | "use strict"; |
| 35 | let sloppyObjects = getSloppyObjects(); |
| 36 | let strictObjects = getStrictObjects(); |
| 37 | let strongObjects = getStrongObjects(); |
| 38 | let weakObjects = sloppyObjects.concat(strictObjects); |
| 39 | |
| 40 | for (let o of weakObjects) { |
| 41 | let setProtoBuiltin = function(o){Object.setPrototypeOf(o, {})}; |
| 42 | let setProtoProperty = function(o){o.__proto__ = {}}; |
| 43 | for (let setProtoFunc of [setProtoBuiltin, setProtoProperty]) { |
| 44 | assertDoesNotThrow(function(){setProtoFunc(o)}); |
| 45 | assertDoesNotThrow(function(){setProtoFunc(o)}); |
| 46 | assertDoesNotThrow(function(){setProtoFunc(o)}); |
| 47 | %OptimizeFunctionOnNextCall(setProtoFunc); |
| 48 | assertDoesNotThrow(function(){setProtoFunc(o)}); |
| 49 | %DeoptimizeFunction(setProtoFunc); |
| 50 | assertDoesNotThrow(function(){setProtoFunc(o)}); |
| 51 | } |
| 52 | } |
| 53 | for (let o of strongObjects) { |
| 54 | let setProtoBuiltin = function(o){Object.setPrototypeOf(o, {})}; |
| 55 | let setProtoProperty = function(o){o.__proto__ = {}}; |
| 56 | for (let setProtoFunc of [setProtoBuiltin, setProtoProperty]) { |
| 57 | assertThrows(function(){setProtoFunc(o)}, TypeError); |
| 58 | assertThrows(function(){setProtoFunc(o)}, TypeError); |
| 59 | assertThrows(function(){setProtoFunc(o)}, TypeError); |
| 60 | %OptimizeFunctionOnNextCall(setProtoFunc); |
| 61 | assertThrows(function(){setProtoFunc(o)}, TypeError); |
| 62 | %DeoptimizeFunction(setProtoFunc); |
| 63 | assertThrows(function(){setProtoFunc(o)}, TypeError); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | assertDoesNotThrow(declareObjectLiteralWithProtoSloppy); |
| 68 | assertDoesNotThrow(declareObjectLiteralWithProtoSloppy); |
| 69 | assertDoesNotThrow(declareObjectLiteralWithProtoSloppy); |
| 70 | %OptimizeFunctionOnNextCall(declareObjectLiteralWithProtoSloppy); |
| 71 | assertDoesNotThrow(declareObjectLiteralWithProtoSloppy); |
| 72 | %DeoptimizeFunction(declareObjectLiteralWithProtoSloppy); |
| 73 | assertDoesNotThrow(declareObjectLiteralWithProtoSloppy); |
| 74 | |
| 75 | assertDoesNotThrow(declareObjectLiteralWithProtoStrong); |
| 76 | assertDoesNotThrow(declareObjectLiteralWithProtoStrong); |
| 77 | assertDoesNotThrow(declareObjectLiteralWithProtoStrong); |
| 78 | %OptimizeFunctionOnNextCall(declareObjectLiteralWithProtoStrong); |
| 79 | assertDoesNotThrow(declareObjectLiteralWithProtoStrong); |
| 80 | %DeoptimizeFunction(declareObjectLiteralWithProtoStrong); |
| 81 | assertDoesNotThrow(declareObjectLiteralWithProtoStrong); |
| 82 | } |
| 83 | testStrongObjectSetProto(); |