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 6 (function testInFunctionDeclaration() { 7 var calls = 0; 8 function f() { 9 (() => { 10 calls++; 11 assertEquals(2, arguments.length); 12 assertEquals('a', arguments[0]); 13 assertEquals('b', arguments[1]); 14 })(); 15 } 16 f('a', 'b'); 17 assertEquals(1, calls); 18 19 calls = 0; 20 new f('a', 'b'); 21 assertEquals(1, calls); 22 })(); 23 24 25 (function testInFunctionExpression() { 26 var calls = 0; 27 var f = function() { 28 (() => { 29 calls++; 30 assertEquals(2, arguments.length); 31 assertEquals('a', arguments[0]); 32 assertEquals('b', arguments[1]); 33 })(); 34 } 35 f('a', 'b'); 36 assertEquals(1, calls); 37 })(); 38 39 40 (function testInConstructor() { 41 'use strict'; 42 43 var calls = 0; 44 class C { 45 constructor() { 46 (() => { 47 calls++; 48 assertEquals(2, arguments.length); 49 assertEquals('a', arguments[0]); 50 assertEquals('b', arguments[1]); 51 })(); 52 } 53 } 54 new C('a', 'b'); 55 assertEquals(1, calls); 56 })(); 57 58 59 (function testInSetter() { 60 'use strict'; 61 62 var calls = 0; 63 var o = { 64 set x(_) { 65 (() => { 66 calls++; 67 assertEquals(1, arguments.length); 68 assertEquals('a', arguments[0]); 69 })(); 70 } 71 } 72 o.x = 'a'; 73 assertEquals(1, calls); 74 })(); 75 76 77 (function testMappedArguments() { 78 var calls = 0; 79 function f(x) { 80 x = 'c'; 81 (() => { 82 calls++; 83 assertEquals(2, arguments.length); 84 assertEquals('c', arguments[0]); 85 x = 'a'; 86 assertEquals('a', arguments[0]); 87 assertEquals('b', arguments[1]); 88 })(); 89 } 90 f('a', 'b'); 91 assertEquals(1, calls); 92 })(); 93 94 95 (function testUnMappedArguments() { 96 'use strict'; 97 98 var calls = 0; 99 function f(x) { 100 x = 'c'; 101 (() => { 102 calls++; 103 assertEquals(2, arguments.length); 104 assertEquals('a', arguments[0]); 105 assertEquals('b', arguments[1]); 106 })(); 107 } 108 f('a', 'b'); 109 assertEquals(1, calls); 110 })(); 111 112 113 (function testClosure() { 114 var calls = 0; 115 function f(x) { 116 return () => { 117 calls++; 118 assertEquals(2, arguments.length); 119 assertEquals('a', arguments[0]); 120 assertEquals('b', arguments[1]); 121 }; 122 } 123 f('a', 'b')(); 124 assertEquals(1, calls); 125 })(); 126 127 128 (function testClosureMappedArguments() { 129 var calls = 0; 130 function f(x) { 131 x = 'c'; 132 return () => { 133 calls++; 134 assertEquals(2, arguments.length); 135 assertEquals('c', arguments[0]); 136 x = 'a'; 137 assertEquals('a', arguments[0]); 138 assertEquals('b', arguments[1]); 139 }; 140 } 141 f('a', 'b')(); 142 assertEquals(1, calls); 143 })(); 144 145 146 (function testParamNamedArguments() { 147 var calls = 0; 148 function f(arguments) { 149 (() => { 150 calls++; 151 assertEquals('a', arguments); 152 })(); 153 } 154 f('a'); 155 assertEquals(1, calls); 156 })(); 157
