| 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 | |
| Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 5 | // Flags: --allow-natives-syntax |
| Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 6 | |
| 7 | function test_function(o) { |
| 8 | if (%_ClassOf(o) === "Function") { |
| 9 | return true; |
| 10 | } else { |
| 11 | return false; |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | var non_callable = new Proxy({}, {}); |
| 16 | var callable = new Proxy(function(){}.__proto__, {}); |
| 17 | var constructable = new Proxy(function(){}, {}); |
| 18 | |
| 19 | assertFalse(test_function(non_callable)); |
| 20 | assertTrue(test_function(callable)); |
| 21 | assertTrue(test_function(constructable)); |
| 22 | |
| 23 | %OptimizeFunctionOnNextCall(test_function); |
| 24 | |
| 25 | assertFalse(test_function(non_callable)); |
| 26 | assertTrue(test_function(callable)); |
| 27 | assertTrue(test_function(constructable)); |