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 | // 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 strict mode. |
| 40 | (function UndefinedStrict() { |
| 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 | })(); |