Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +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 | (function TryBlockCatch() { |
| 8 | var global = 0; |
| 9 | function f(a) { |
| 10 | var x = a + 23 |
| 11 | try { |
| 12 | let y = a + 42; |
| 13 | function capture() { return x + y } |
| 14 | throw "boom!"; |
| 15 | } catch(e) { |
| 16 | global = x; |
| 17 | } |
| 18 | return x; |
| 19 | } |
| 20 | assertEquals(23, f(0)); |
| 21 | assertEquals(24, f(1)); |
| 22 | %OptimizeFunctionOnNextCall(f); |
| 23 | assertEquals(25, f(2)); |
| 24 | assertEquals(25, global); |
| 25 | })(); |
| 26 | |
| 27 | (function TryBlockFinally() { |
| 28 | var global = 0; |
| 29 | function f(a) { |
| 30 | var x = a + 23 |
| 31 | try { |
| 32 | let y = a + 42; |
| 33 | function capture() { return x + y } |
| 34 | throw "boom!"; |
| 35 | } finally { |
| 36 | global = x; |
| 37 | } |
| 38 | return x; |
| 39 | } |
| 40 | assertThrows(function() { f(0) }); |
| 41 | assertThrows(function() { f(1) }); |
| 42 | %OptimizeFunctionOnNextCall(f); |
| 43 | assertThrows(function() { f(2) }); |
| 44 | assertEquals(25, global); |
| 45 | })(); |
| 46 | |
| 47 | (function TryCatchCatch() { |
| 48 | var global = 0; |
| 49 | function f(a) { |
| 50 | var x = a + 23 |
| 51 | try { |
| 52 | try { |
| 53 | throw "boom!"; |
| 54 | } catch(e2) { |
| 55 | function capture() { return x + y } |
| 56 | throw "boom!"; |
| 57 | } |
| 58 | } catch(e) { |
| 59 | global = x; |
| 60 | } |
| 61 | return x; |
| 62 | } |
| 63 | assertEquals(23, f(0)); |
| 64 | assertEquals(24, f(1)); |
| 65 | %OptimizeFunctionOnNextCall(f); |
| 66 | assertEquals(25, f(2)); |
| 67 | assertEquals(25, global); |
| 68 | })(); |
| 69 | |
| 70 | (function TryWithCatch() { |
| 71 | var global = 0; |
| 72 | function f(a) { |
| 73 | var x = a + 23 |
| 74 | try { |
| 75 | with ({ y : a + 42 }) { |
| 76 | function capture() { return x + y } |
| 77 | throw "boom!"; |
| 78 | } |
| 79 | } catch(e) { |
| 80 | global = x; |
| 81 | } |
| 82 | return x; |
| 83 | } |
| 84 | assertEquals(23, f(0)); |
| 85 | assertEquals(24, f(1)); |
| 86 | %OptimizeFunctionOnNextCall(f); |
| 87 | assertEquals(25, f(2)); |
| 88 | assertEquals(25, global); |
| 89 | })(); |