Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 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 | })(); |