7d1d978654
This is in preparation for the addition of --harmony-destructuring-assignment. BUG=v8:811 LOG=n Review URL: https://codereview.chromium.org/1450193002 Cr-Commit-Position: refs/heads/master@{#32098}
105 lines
2.6 KiB
JavaScript
105 lines
2.6 KiB
JavaScript
// 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: --harmony-destructuring-bind --harmony-default-parameters
|
|
|
|
(function testExpressionTypes() {
|
|
"use strict";
|
|
((x, y = x) => assertEquals(42, y))(42);
|
|
|
|
((x, y = (x)) => assertEquals(42, y))(42);
|
|
((x, y = `${x}`) => assertEquals("42", y))(42);
|
|
((x, y = x = x + 1) => assertEquals(43, y))(42);
|
|
((x, y = x()) => assertEquals(42, y))(() => 42);
|
|
((x, y = new x()) => assertEquals(42, y.z))(function() { this.z = 42 });
|
|
((x, y = -x) => assertEquals(-42, y))(42);
|
|
((x, y = ++x) => assertEquals(43, y))(42);
|
|
((x, y = x === 42) => assertTrue(y))(42);
|
|
((x, y = (x == 42 ? x : 0)) => assertEquals(42, y))(42);
|
|
|
|
((x, y = function() { return x }) => assertEquals(42, y()))(42);
|
|
((x, y = () => x) => assertEquals(42, y()))(42);
|
|
|
|
// Literals
|
|
((x, y = {z: x}) => assertEquals(42, y.z))(42);
|
|
((x, y = {[x]: x}) => assertEquals(42, y[42]))(42);
|
|
((x, y = [x]) => assertEquals(42, y[0]))(42);
|
|
((x, y = [...x]) => assertEquals(42, y[0]))([42]);
|
|
|
|
((x, y = class {
|
|
static [x]() { return x }
|
|
}) => assertEquals(42, y[42]()))(42);
|
|
((x, y = (new class {
|
|
z() { return x }
|
|
})) => assertEquals(42, y.z()))(42);
|
|
|
|
((x, y = (new class Y {
|
|
static [x]() { return x }
|
|
z() { return Y[42]() }
|
|
})) => assertEquals(42, y.z()))(42);
|
|
|
|
((x, y = (new class {
|
|
constructor() { this.z = x }
|
|
})) => assertEquals(42, y.z))(42);
|
|
((x, y = (new class Y {
|
|
constructor() { this.z = x }
|
|
})) => assertEquals(42, y.z))(42);
|
|
|
|
((x, y = (new class extends x {
|
|
})) => assertEquals(42, y.z()))(class { z() { return 42 } });
|
|
|
|
// Defaults inside destructuring
|
|
((x, {y = x}) => assertEquals(42, y))(42, {});
|
|
((x, [y = x]) => assertEquals(42, y))(42, []);
|
|
})();
|
|
|
|
|
|
(function testMultiScopeCapture() {
|
|
"use strict";
|
|
var x = 1;
|
|
{
|
|
let y = 2;
|
|
((x, y, a = x, b = y) => {
|
|
assertEquals(3, x);
|
|
assertEquals(3, a);
|
|
assertEquals(4, y);
|
|
assertEquals(4, b);
|
|
})(3, 4);
|
|
}
|
|
})();
|
|
|
|
|
|
(function testSuper() {
|
|
"use strict";
|
|
class A {
|
|
x() { return 42; }
|
|
}
|
|
|
|
class B extends A {
|
|
y() {
|
|
((q = super.x()) => assertEquals(42, q))();
|
|
}
|
|
}
|
|
|
|
new B().y();
|
|
|
|
class C {
|
|
constructor() { return { prop: 42 } }
|
|
}
|
|
|
|
class D extends C{
|
|
constructor() {
|
|
((q = super()) => assertEquals(42, q.prop))();
|
|
}
|
|
}
|
|
|
|
new D();
|
|
})();
|
|
|
|
|
|
(function testScopeFlags() {
|
|
((x, y = eval('x')) => assertEquals(42, y))(42);
|
|
((x, {y = eval('x')}) => assertEquals(42, y))(42, {});
|
|
})();
|