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// Copyright 2017 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
(function() {
'use strict';
class Point {
constructor(x, y) {
this.x = x;
this.y = y;
}
}
function testBaselineAndOpt(func) {
func(1, 2);
func(1, 2);
%OptimizeFunctionOnNextCall(func);
return func(1, 2);
}
class RestPoint extends Point {
constructor(...args) {
super(...args);
}
}
var r = testBaselineAndOpt(function(x, y) {
return new RestPoint(x, y);
});
assertInstanceof(r, RestPoint);
assertInstanceof(r, Point);
assertEquals(r.x, 1);
assertEquals(r.y, 2);
class RestExtraPoint extends Point {
constructor(...args) {
super(-1, 0, ...args);
}
}
r = testBaselineAndOpt(function(x, y) {
return new RestExtraPoint(x, y);
});
assertInstanceof(r, RestExtraPoint);
assertInstanceof(r, Point);
assertEquals(r.x, -1);
assertEquals(r.y, 0);
class ArgumentsPoint extends Point {
constructor() {
super(...arguments);
}
}
r = testBaselineAndOpt(function(x, y) {
return new ArgumentsPoint(x, y);
});
assertInstanceof(r, ArgumentsPoint);
assertInstanceof(r, Point);
assertEquals(r.x, 1);
assertEquals(r.y, 2);
class ArgumentsExtraPoint extends Point {
constructor() {
super(1, 2, ...arguments);
}
}
r = testBaselineAndOpt(function(x, y) {
return new ArgumentsExtraPoint(x, y);
});
assertInstanceof(r, ArgumentsExtraPoint);
assertInstanceof(r, Point);
assertEquals(r.x, 1);
assertEquals(r.y, 2);
class LiteralPoint extends Point {
constructor() {
super(...[3, 4]);
}
}
r = testBaselineAndOpt(function(x, y) {
return new LiteralPoint(x, y);
});
assertInstanceof(r, LiteralPoint);
assertInstanceof(r, Point);
assertEquals(r.x, 3);
assertEquals(r.y, 4);
})();
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