OLD | NEW |
(Empty) | |
| 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: --harmony-reflect --expose-debug-as debug --allow-natives-syntax |
| 6 |
| 7 // Test that live-editing a frame that uses new.target fails. |
| 8 |
| 9 Debug = debug.Debug |
| 10 var calls = 0; |
| 11 var exceptions = 0; |
| 12 var results = []; |
| 13 var replace_again; |
| 14 |
| 15 eval(` |
| 16 function LogNewTarget() { |
| 17 calls++; |
| 18 ReplaceOnce(); |
| 19 results.push(true); |
| 20 results.push(new.target); |
| 21 } |
| 22 `); |
| 23 |
| 24 function Dummy() {} |
| 25 |
| 26 function Replace(fun, original, patch) { |
| 27 %ExecuteInDebugContext(function() { |
| 28 var change_log = []; |
| 29 try { |
| 30 var script = Debug.findScript(fun); |
| 31 var patch_pos = script.source.indexOf(original); |
| 32 Debug.LiveEdit.TestApi.ApplySingleChunkPatch( |
| 33 script, patch_pos, original.length, patch, change_log); |
| 34 } catch (e) { |
| 35 assertEquals("BLOCKED_NO_NEW_TARGET_ON_RESTART", |
| 36 change_log[0].functions_on_stack[0].replace_problem); |
| 37 assertInstanceof(e, Debug.LiveEdit.Failure); |
| 38 exceptions++; |
| 39 } |
| 40 }); |
| 41 } |
| 42 |
| 43 function ReplaceOnce() { |
| 44 if (replace_again) { |
| 45 replace_again = false; |
| 46 Replace(LogNewTarget, "true", "false"); |
| 47 } |
| 48 } |
| 49 |
| 50 function Revert() { |
| 51 Replace(LogNewTarget, "false", "true"); |
| 52 } |
| 53 |
| 54 replace_again = true; |
| 55 ReplaceOnce(); |
| 56 new LogNewTarget(); |
| 57 Revert(); |
| 58 assertEquals(1, calls); |
| 59 assertEquals(0, exceptions); |
| 60 assertEquals([false, LogNewTarget], results); |
| 61 |
| 62 replace_again = true; |
| 63 LogNewTarget(); |
| 64 |
| 65 replace_again = true; |
| 66 new LogNewTarget(); |
| 67 |
| 68 replace_again = true; |
| 69 Reflect.construct(LogNewTarget, [], Dummy); |
| 70 |
| 71 assertEquals( |
| 72 [false, LogNewTarget, true, undefined, true, LogNewTarget, true, Dummy], |
| 73 results); |
| 74 assertEquals(4, calls); // No restarts |
| 75 assertEquals(3, exceptions); // Replace failed. |
OLD | NEW |