| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| |
| Debug = debug.Debug |
| var exception = null; |
| var break_count = 0; |
| const expected_breaks = 9; |
| |
| var expected_values = |
| [ReferenceError, undefined, 0, 0, 0, 0, 1, |
| ReferenceError, ReferenceError]; |
| |
| function listener(event, exec_state, event_data, data) { |
| try { |
| if (event == Debug.DebugEvent.Break) { |
| assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace"); |
| var frameMirror = exec_state.frame(0); |
| |
| var v = null;; |
| try { |
| v = frameMirror.evaluate('i').value(); |
| } catch(e) { |
| v = e; |
| } |
| frameMirror.allScopes(); |
| var source = frameMirror.sourceLineText(); |
| print("paused at: " + source); |
| assertTrue(source.indexOf("// Break " + break_count + ".") > 0, |
| "Unexpected pause at: " + source + "\n" + |
| "Expected: // Break " + break_count + "."); |
| if (expected_values[break_count] === ReferenceError) { |
| assertTrue(v instanceof ReferenceError); |
| } else { |
| assertSame(expected_values[break_count], v); |
| } |
| ++break_count; |
| |
| if (break_count !== expected_breaks) { |
| exec_state.prepareStep(Debug.StepAction.StepIn); |
| print("Next step prepared"); |
| } |
| } |
| } catch(e) { |
| exception = e; |
| print(e, e.stack); |
| } |
| }; |
| |
| Debug.setListener(listener); |
| |
| var sum = 0; |
| (function (){ |
| 'use strict'; |
| |
| debugger; // Break 0. |
| |
| for (let i=0; // Break 1. |
| i < 1; // Break 2. // Break 6. |
| i++) { // Break 5. |
| let key = i; // Break 3. |
| sum += key; // Break 4. |
| } |
| }()); // Break 7. |
| |
| assertNull(exception); // Break 8. |
| assertEquals(expected_breaks, break_count); |
| |
| Debug.setListener(null); |