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| 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: --expose-debug-as debug --allow-natives-syntax |
| 6 |
| 7 var Debug = debug.Debug; |
| 8 var expected = ["debugger;", "var x = y;", "debugger;", "var x = y;"]; |
| 9 var log = []; |
| 10 |
| 11 function listener(event, exec_state, event_data, data) { |
| 12 if (event != Debug.DebugEvent.Break) return; |
| 13 try { |
| 14 log.push(exec_state.frame(0).sourceLineText().trimLeft()); |
| 15 exec_state.prepareStep(Debug.StepAction.StepNext); |
| 16 } catch (e) { |
| 17 %AbortJS(e + "\n" + e.stack); |
| 18 } |
| 19 } |
| 20 |
| 21 Debug.setListener(listener); |
| 22 |
| 23 function f() { |
| 24 var a = 1; |
| 25 debugger; |
| 26 var x = y; |
| 27 print(x); |
| 28 } |
| 29 |
| 30 function call_f_with_deeper_stack() { |
| 31 (() => () => () => f())()()(); |
| 32 } |
| 33 |
| 34 Promise.resolve().then(f).catch(call_f_with_deeper_stack); |
| 35 |
| 36 // Schedule microtask to check against expectation at the end. |
| 37 function testDone(iteration) { |
| 38 function checkResult() { |
| 39 try { |
| 40 assertTrue(iteration < 10); |
| 41 if (expected.length == log.length) { |
| 42 assertEquals(expected, log); |
| 43 } else { |
| 44 testDone(iteration + 1); |
| 45 } |
| 46 } catch (e) { |
| 47 %AbortJS(e + "\n" + e.stack); |
| 48 } |
| 49 } |
| 50 |
| 51 %EnqueueMicrotask(checkResult); |
| 52 } |
| 53 |
| 54 testDone(0); |
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