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// Copyright 2015 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: --strong-mode --allow-natives-syntax
// TODO(conradw): Track implementation of strong bit for other objects, add
// tests.
function getSloppyObjects() {
return [(function(){}), ({})];
}
function getStrictObjects() {
"use strict";
return [(function(){}), ({})];
}
function getWeakObjects() {
return getSloppyObjects().concat(getStrictObjects());
}
function getStrongObjects() {
"use strong";
// Strong functions can't have properties added to them, and will be tested as a
// special case.
return [({})];
}
function strongFunction() {
"use strong";
}
function deleteFromObjectSloppy(o) {
return delete o.foo;
}
function deleteFromObjectKeyedSloppy(o) {
return delete o["foo"];
}
function deleteFromObjectKeyedVarSloppy(o) {
var a = "foo";
return delete o[a];
}
function deleteFromObjectKeyedComputedSloppy(o) {
var a = "o";
return delete o["fo" + a];
}
function deleteFromObjectWith(o) {
with (o) {
return delete foo;
}
}
function deleteFromObjectElementSloppy(o) {
return delete o[0];
}
function deleteFromObjectElementVarSloppy(o) {
var a = 0;
return delete o[a];
}
function deleteFromObjectElementSparseSloppy(o) {
return delete o[100000];
}
function deleteFromObjectElementVarSloppy(o) {
var a = 0;
return delete o[a];
}
function deleteFromObjectElementSparseVarSloppy(o) {
var a = 100000;
return delete o[a];
}
function deleteFromObjectStrict(o) {
"use strict";
return delete o.foo;
}
function deleteFromObjectKeyedStrict(o) {
"use strict";
return delete o["foo"];
}
function deleteFromObjectKeyedVarStrict(o) {
"use strict";
var a = "foo";
return delete o[a];
}
function deleteFromObjectKeyedComputedStrict(o) {
"use strict";
var a = "o";
return delete o["fo" + a];
}
function deleteFromObjectElementStrict(o) {
"use strict";
return delete o[0];
}
function deleteFromObjectElementSparseStrict(o) {
"use strict";
return delete o[100000];
}
function deleteFromObjectElementVarStrict(o) {
"use strict";
var a = 0;
return delete o[a];
}
function deleteFromObjectElementSparseVarStrict(o) {
"use strict";
var a = 100000;
return delete o[a];
}
function testStrongObjectDelete() {
"use strict";
let deletePropertyFuncsSloppy = [
deleteFromObjectSloppy,
deleteFromObjectKeyedSloppy,
deleteFromObjectKeyedVarSloppy,
deleteFromObjectKeyedComputedSloppy,
deleteFromObjectWith
];
let deletePropertyFuncsStrict = [
deleteFromObjectStrict,
deleteFromObjectKeyedStrict,
deleteFromObjectKeyedVarStrict,
deleteFromObjectKeyedComputedStrict
];
let deleteElementFuncsSloppy = [
deleteFromObjectElementSloppy,
deleteFromObjectElementVarSloppy
];
let deleteElementSparseFuncsSloppy = [
deleteFromObjectElementSparseSloppy,
deleteFromObjectElementSparseVarSloppy
];
let deleteElementFuncsStrict = [
deleteFromObjectElementStrict,
deleteFromObjectElementVarStrict
];
let deleteElementSparseFuncsStrict = [
deleteFromObjectElementSparseStrict,
deleteFromObjectElementSparseVarStrict
];
let deleteFuncs = deletePropertyFuncsSloppy.concat(
deletePropertyFuncsStrict, deleteElementFuncsSloppy,
deleteElementSparseFuncsSloppy, deleteElementFuncsStrict,
deleteElementSparseFuncsStrict);
for (let deleteFunc of deleteFuncs) {
assertTrue(deleteFunc(strongFunction));
}
let testCasesSloppy = [
[deletePropertyFuncsSloppy, "foo"],
[deleteElementFuncsSloppy, "0"],
[deleteElementSparseFuncsSloppy, "100000"]
];
let testCasesStrict = [
[deletePropertyFuncsStrict, "foo"],
[deleteElementFuncsStrict, "0"],
[deleteElementSparseFuncsStrict, "100000"]
];
let propDescs = [
{configurable: true, value: "bar"},
{configurable: true, value: 1},
{configurable: true, enumerable: true, writable: true, value: "bar"},
{configurable: true, enumerable: true, writable: true, value: 1},
{configurable: true, get: (function(){return 0}), set: (function(x){})}
];
for (let propDesc of propDescs) {
for (let testCase of testCasesSloppy) {
let name = testCase[1];
for (let deleteFunc of testCase[0]) {
for (let o of getWeakObjects()) {
Object.defineProperty(o, name, propDesc);
assertTrue(delete o["bar"]);
assertTrue(delete o[5000]);
assertTrue(deleteFunc(o));
assertFalse(o.hasOwnProperty(name));
%OptimizeFunctionOnNextCall(deleteFunc);
Object.defineProperty(o, name, propDesc);
assertTrue(deleteFunc(o));
assertFalse(o.hasOwnProperty(name));
%DeoptimizeFunction(deleteFunc);
Object.defineProperty(o, name, propDesc);
assertTrue(deleteFunc(o));
assertFalse(o.hasOwnProperty(name));
}
for (let o of getStrongObjects()) {
Object.defineProperty(o, name, propDesc);
assertTrue(delete o["bar"]);
assertTrue(delete o[5000]);
assertFalse(deleteFunc(o));
assertTrue(o.hasOwnProperty(name));
%OptimizeFunctionOnNextCall(deleteFunc);
assertFalse(deleteFunc(o));
assertTrue(o.hasOwnProperty(name));
%DeoptimizeFunction(deleteFunc);
assertFalse(deleteFunc(o));
assertTrue(o.hasOwnProperty(name));
}
}
}
for (let testCase of testCasesStrict) {
let name = testCase[1];
for (let deleteFunc of testCase[0]) {
for (let o of getWeakObjects()) {
Object.defineProperty(o, name, propDesc);
assertTrue(delete o["bar"]);
assertTrue(delete o[5000]);
assertTrue(deleteFunc(o));
assertFalse(o.hasOwnProperty(name));
%OptimizeFunctionOnNextCall(deleteFunc);
Object.defineProperty(o, name, propDesc);
assertTrue(deleteFunc(o));
assertFalse(o.hasOwnProperty(name));
%DeoptimizeFunction(deleteFunc);
Object.defineProperty(o, name, propDesc);
assertTrue(deleteFunc(o));
assertFalse(o.hasOwnProperty(name));
}
for (let o of getStrongObjects()) {
Object.defineProperty(o, name, propDesc);
assertTrue(delete o["bar"]);
assertTrue(delete o[5000]);
assertThrows(function(){deleteFunc(o)}, TypeError);
assertTrue(o.hasOwnProperty(name));
%OptimizeFunctionOnNextCall(deleteFunc);
assertThrows(function(){deleteFunc(o)}, TypeError);
assertTrue(o.hasOwnProperty(name));
%DeoptimizeFunction(deleteFunc);
assertThrows(function(){deleteFunc(o)}, TypeError);
assertTrue(o.hasOwnProperty(name));
}
}
}
}
}
testStrongObjectDelete();
|
