1// Copyright JS Foundation and other contributors, http://js.foundation 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15class Base { 16 constructor () { 17 this.parent_value = 100; 18 } 19 20 parent_value () { 21 return this.parent_value; 22 } 23 24 parent_value_arg (a, b, c) { 25 if (c) { 26 return this.parent_value + a + b + c; 27 } else if (b) { 28 return this.parent_value + a + b; 29 } else { 30 return this.parent_value + a; 31 } 32 } 33 34 method () { 35 return { 36 method: function (a, b, c, d, e) { return -50 + a + b + c + d + e; } 37 } 38 } 39} 40 41class Target extends Base { 42 constructor () { 43 super (); 44 this.parent_value = -10; 45 } 46 47 parent_value () { 48 throw new Error ('(parent_value)'); 49 } 50 51 parent_value_indirect () { 52 return super.parent_value.call (this); 53 } 54 55 parent_value_indirect_arg (a, b, c) { 56 if (c) { 57 return super.parent_value_arg.call (this, a, b, c); 58 } else if (b) { 59 return super.parent_value_arg.call (this, a, b); 60 } else { 61 return super.parent_value_arg.call (this, a); 62 } 63 } 64 65 method () { 66 throw new Error ("(method)"); 67 } 68 69 parent_method_dot () { 70 return super.method.call (this).method (1, 2, 3, 4, 5) 71 } 72 73 parent_method_index() { 74 return super['method'].call (this)['method'] (1, 2, 3, 4, 5); 75 } 76} 77 78 79var obj = new Target(); 80 81assert (obj.parent_value_indirect () === -10); 82assert (obj.parent_value_indirect_arg (1) === -9); 83assert (obj.parent_value_indirect_arg (1, 2) === -7); 84assert (obj.parent_value_indirect_arg (1, 2, 3) === -4); 85 86try { 87 obj.parent_value (); 88 assert (false); 89} catch (ex) { 90 /* 'obj.parent_value is a number! */ 91 assert (ex instanceof TypeError); 92} 93 94assert (obj.parent_method_dot () === -35); 95assert (obj.parent_method_index () === -35); 96 97try { 98 obj.method(); 99 assert (false); 100} catch (ex) { 101 assert (ex.message === '(method)'); 102} 103 104var demo_object = { 105 parent_value: 1000, 106 method: function () { 107 throw new Error ('Very bad!'); 108 } 109} 110 111assert (obj.parent_value_indirect_arg.call (demo_object, 1) === 1001); 112assert (obj.parent_value_indirect_arg.call (demo_object, 1, 2) === 1003); 113 114assert (obj.parent_method_dot.call (demo_object) === -35); 115