v8/test/mjsunit/es6/collections-constructor-with-modified-protoype.js

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

77 lines
2.2 KiB
JavaScript
Raw Normal View History

// Copyright 2018 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: --allow-natives-syntax --opt
function TestSetPrototypeModified(ctor) {
const originalPrototypeAdd = ctor.prototype.add;
const k1 = {};
const k2 = {};
const entries = [k1, k2];
let addCount = 0;
ctor.prototype.add = function(value) {
addCount++;
originalPrototypeAdd.call(this, value);
entries.length = 1;
};
const set = new ctor(entries);
assertEquals(1, addCount);
assertTrue(set.has(k1));
assertFalse(set.has(k2));
ctor.prototype.add = originalPrototypeAdd;
}
TestSetPrototypeModified(Set);
TestSetPrototypeModified(Set);
TestSetPrototypeModified(Set);
%OptimizeFunctionOnNextCall(TestSetPrototypeModified);
TestSetPrototypeModified(Set);
assertOptimized(TestSetPrototypeModified);
%DeoptimizeFunction(TestSetPrototypeModified);
TestSetPrototypeModified(WeakSet);
TestSetPrototypeModified(WeakSet);
TestSetPrototypeModified(WeakSet);
%OptimizeFunctionOnNextCall(TestSetPrototypeModified);
TestSetPrototypeModified(WeakSet);
assertOptimized(TestSetPrototypeModified);
%DeoptimizeFunction(TestSetPrototypeModified);
function TestMapPrototypeModified(ctor) {
const originalPrototypeSet = ctor.prototype.set;
const k1 = {};
const k2 = {};
const entries = [[k1, 1], [k2, 2]];
let setCount = 0;
ctor.prototype.set = function(key, value) {
setCount++;
originalPrototypeSet.call(this, key, value);
entries.length = 1;
};
const map = new ctor(entries);
assertEquals(1, setCount);
assertTrue(map.has(k1));
assertFalse(map.has(k2));
ctor.prototype.set = originalPrototypeSet;
}
TestMapPrototypeModified(Map);
TestMapPrototypeModified(Map);
TestMapPrototypeModified(Map);
%OptimizeFunctionOnNextCall(TestMapPrototypeModified);
TestMapPrototypeModified(Map);
assertOptimized(TestMapPrototypeModified);
%DeoptimizeFunction(TestMapPrototypeModified);
TestMapPrototypeModified(WeakMap);
TestMapPrototypeModified(WeakMap);
TestMapPrototypeModified(WeakMap);
%OptimizeFunctionOnNextCall(TestMapPrototypeModified);
TestMapPrototypeModified(WeakMap);
assertOptimized(TestMapPrototypeModified);