Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 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 | var a = [0, 1]; |
| 8 | a["true"] = "true"; |
| 9 | a["false"] = "false"; |
| 10 | a["null"] = "null"; |
| 11 | a["undefined"] = "undefined"; |
| 12 | |
| 13 | // Ensure we don't accidentially truncate true when used to index arrays. |
| 14 | (function() { |
| 15 | function f(x) { return a[x]; } |
| 16 | |
| 17 | assertEquals(0, f(0)); |
| 18 | assertEquals(0, f(0)); |
| 19 | %OptimizeFunctionOnNextCall(f); |
| 20 | assertEquals("true", f(true)); |
| 21 | })(); |
| 22 | |
| 23 | // Ensure we don't accidentially truncate false when used to index arrays. |
| 24 | (function() { |
| 25 | function f( x) { return a[x]; } |
| 26 | |
| 27 | assertEquals(0, f(0)); |
| 28 | assertEquals(0, f(0)); |
| 29 | %OptimizeFunctionOnNextCall(f); |
| 30 | assertEquals("false", f(false)); |
| 31 | })(); |
| 32 | |
| 33 | // Ensure we don't accidentially truncate null when used to index arrays. |
| 34 | (function() { |
| 35 | function f( x) { return a[x]; } |
| 36 | |
| 37 | assertEquals(0, f(0)); |
| 38 | assertEquals(0, f(0)); |
| 39 | %OptimizeFunctionOnNextCall(f); |
| 40 | assertEquals("null", f(null)); |
| 41 | })(); |
| 42 | |
| 43 | // Ensure we don't accidentially truncate undefined when used to index arrays. |
| 44 | (function() { |
| 45 | function f( x) { return a[x]; } |
| 46 | |
| 47 | assertEquals(0, f(0)); |
| 48 | assertEquals(0, f(0)); |
| 49 | %OptimizeFunctionOnNextCall(f); |
| 50 | assertEquals("undefined", f(undefined)); |
| 51 | })(); |