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 })(); 90
