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| 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: --allow-natives-syntax |
| 6 |
| 7 // This test suite checks that the receiver value (i.e. the 'this' binding) is |
| 8 // correctly converted even when the callee function is inlined. This behavior |
| 9 // is specified by ES6, section 9.2.1.2 "OrdinaryCallBindThis". |
| 10 |
| 11 var global = this; |
| 12 function test(outer, inner, check) { |
| 13 check(outer()); |
| 14 check(outer()); |
| 15 %OptimizeFunctionOnNextCall(outer); |
| 16 check(outer()); |
| 17 } |
| 18 |
| 19 |
| 20 // ----------------------------------------------------------------------------- |
| 21 // Test undefined in sloppy mode. |
| 22 (function UndefinedSloppy() { |
| 23 function check(x) { |
| 24 assertEquals("object", typeof x); |
| 25 assertSame(global, x); |
| 26 } |
| 27 function inner(x) { |
| 28 return this; |
| 29 } |
| 30 function outer() { |
| 31 return sloppy(); |
| 32 } |
| 33 global.sloppy = inner; |
| 34 test(outer, inner, check); |
| 35 })(); |
| 36 |
| 37 |
| 38 // ----------------------------------------------------------------------------- |
| 39 // Test undefined in sloppy mode. |
| 40 (function UndefinedSloppy() { |
| 41 function check(x) { |
| 42 assertEquals("undefined", typeof x); |
| 43 assertSame(undefined, x); |
| 44 } |
| 45 function inner(x) { |
| 46 "use strict"; |
| 47 return this; |
| 48 } |
| 49 function outer() { |
| 50 return strict(); |
| 51 } |
| 52 global.strict = inner; |
| 53 test(outer, inner, check); |
| 54 })(); |
| 55 |
| 56 |
| 57 // ----------------------------------------------------------------------------- |
| 58 // Test primitive number in sloppy mode. |
| 59 (function NumberSloppy() { |
| 60 function check(x) { |
| 61 assertEquals("object", typeof x); |
| 62 assertInstanceof(x, Number); |
| 63 } |
| 64 function inner(x) { |
| 65 return this; |
| 66 } |
| 67 function outer() { |
| 68 return (0).sloppy(); |
| 69 } |
| 70 Number.prototype.sloppy = inner; |
| 71 test(outer, inner, check); |
| 72 })(); |
| 73 |
| 74 |
| 75 // ----------------------------------------------------------------------------- |
| 76 // Test primitive number in strict mode. |
| 77 (function NumberStrict() { |
| 78 function check(x) { |
| 79 assertEquals("number", typeof x); |
| 80 assertSame(0, x); |
| 81 } |
| 82 function inner(x) { |
| 83 "use strict"; |
| 84 return this; |
| 85 } |
| 86 function outer() { |
| 87 return (0).strict(); |
| 88 } |
| 89 Number.prototype.strict = inner; |
| 90 test(outer, inner, check); |
| 91 })(); |
| 92 |
| 93 |
| 94 // ----------------------------------------------------------------------------- |
| 95 // Test primitive string in sloppy mode. |
| 96 (function StringSloppy() { |
| 97 function check(x) { |
| 98 assertEquals("object", typeof x); |
| 99 assertInstanceof(x, String); |
| 100 } |
| 101 function inner(x) { |
| 102 return this; |
| 103 } |
| 104 function outer() { |
| 105 return ("s").sloppy(); |
| 106 } |
| 107 String.prototype.sloppy = inner; |
| 108 test(outer, inner, check); |
| 109 })(); |
| 110 |
| 111 |
| 112 // ----------------------------------------------------------------------------- |
| 113 // Test primitive string in strict mode. |
| 114 (function StringStrict() { |
| 115 function check(x) { |
| 116 assertEquals("string", typeof x); |
| 117 assertSame("s", x); |
| 118 } |
| 119 function inner(x) { |
| 120 "use strict"; |
| 121 return this; |
| 122 } |
| 123 function outer() { |
| 124 return ("s").strict(); |
| 125 } |
| 126 String.prototype.strict = inner; |
| 127 test(outer, inner, check); |
| 128 })(); |
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