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: --harmony-destructuring-bind --harmony-default-parameters 6 7 (function testExpressionTypes() { 8 "use strict"; 9 ((x, y = x) => assertEquals(42, y))(42); 10 11 ((x, y = (x)) => assertEquals(42, y))(42); 12 ((x, y = `${x}`) => assertEquals("42", y))(42); 13 ((x, y = x = x + 1) => assertEquals(43, y))(42); 14 ((x, y = x()) => assertEquals(42, y))(() => 42); 15 ((x, y = new x()) => assertEquals(42, y.z))(function() { this.z = 42 }); 16 ((x, y = -x) => assertEquals(-42, y))(42); 17 ((x, y = ++x) => assertEquals(43, y))(42); 18 ((x, y = x === 42) => assertTrue(y))(42); 19 ((x, y = (x == 42 ? x : 0)) => assertEquals(42, y))(42); 20 21 ((x, y = function() { return x }) => assertEquals(42, y()))(42); 22 ((x, y = () => x) => assertEquals(42, y()))(42); 23 24 // Literals 25 ((x, y = {z: x}) => assertEquals(42, y.z))(42); 26 ((x, y = {[x]: x}) => assertEquals(42, y[42]))(42); 27 ((x, y = [x]) => assertEquals(42, y[0]))(42); 28 ((x, y = [...x]) => assertEquals(42, y[0]))([42]); 29 30 ((x, y = class { 31 static [x]() { return x } 32 }) => assertEquals(42, y[42]()))(42); 33 ((x, y = (new class { 34 z() { return x } 35 })) => assertEquals(42, y.z()))(42); 36 37 ((x, y = (new class Y { 38 static [x]() { return x } 39 z() { return Y[42]() } 40 })) => assertEquals(42, y.z()))(42); 41 42 ((x, y = (new class { 43 constructor() { this.z = x } 44 })) => assertEquals(42, y.z))(42); 45 ((x, y = (new class Y { 46 constructor() { this.z = x } 47 })) => assertEquals(42, y.z))(42); 48 49 ((x, y = (new class extends x { 50 })) => assertEquals(42, y.z()))(class { z() { return 42 } }); 51 52 // Defaults inside destructuring 53 ((x, {y = x}) => assertEquals(42, y))(42, {}); 54 ((x, [y = x]) => assertEquals(42, y))(42, []); 55 })(); 56 57 58 (function testMultiScopeCapture() { 59 "use strict"; 60 var x = 1; 61 { 62 let y = 2; 63 ((x, y, a = x, b = y) => { 64 assertEquals(3, x); 65 assertEquals(3, a); 66 assertEquals(4, y); 67 assertEquals(4, b); 68 })(3, 4); 69 } 70 })(); 71 72 73 (function testSuper() { 74 "use strict"; 75 class A { 76 x() { return 42; } 77 } 78 79 class B extends A { 80 y() { 81 ((q = super.x()) => assertEquals(42, q))(); 82 } 83 } 84 85 new B().y(); 86 87 class C { 88 constructor() { return { prop: 42 } } 89 } 90 91 class D extends C{ 92 constructor() { 93 ((q = super()) => assertEquals(42, q.prop))(); 94 } 95 } 96 97 new D(); 98 })(); 99 100 101 (function testScopeFlags() { 102 ((x, y = eval('x')) => assertEquals(42, y))(42); 103 ((x, {y = eval('x')}) => assertEquals(42, y))(42, {}); 104 })(); 105
