| OLD | NEW |
| (Empty) |
| 1 // Copyright 2014 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 | |
| 6 var Debug = debug.Debug; | |
| 7 | |
| 8 function assertIteratorResult(value, done, result) { | |
| 9 assertEquals({value: value, done: done}, result); | |
| 10 } | |
| 11 | |
| 12 function RunTest(formals_and_body, args, value1, value2) { | |
| 13 // A null listener. It isn't important what the listener does. | |
| 14 function listener(event, exec_state, event_data, data) { | |
| 15 } | |
| 16 | |
| 17 // Create the generator function outside a debugging context. It will probably | |
| 18 // be lazily compiled. | |
| 19 var gen = (function*(){}).constructor.apply(null, formals_and_body); | |
| 20 | |
| 21 // Instantiate the generator object. | |
| 22 var obj = gen.apply(null, args); | |
| 23 | |
| 24 // Advance to the first yield. | |
| 25 assertIteratorResult(value1, false, obj.next()); | |
| 26 | |
| 27 // Enable the debugger, which should force recompilation of the generator | |
| 28 // function and relocation of the suspended generator activation. | |
| 29 Debug.setListener(listener); | |
| 30 | |
| 31 // Add a breakpoint on line 3 (the second yield). | |
| 32 var bp = Debug.setBreakPoint(gen, 3); | |
| 33 | |
| 34 // Check that the generator resumes and suspends properly. | |
| 35 assertIteratorResult(value2, false, obj.next()); | |
| 36 | |
| 37 // Disable debugger -- should not force recompilation. | |
| 38 Debug.clearBreakPoint(bp); | |
| 39 Debug.setListener(null); | |
| 40 | |
| 41 // Run to completion. | |
| 42 assertIteratorResult(undefined, true, obj.next()); | |
| 43 } | |
| 44 | |
| 45 function prog(a, b, c) { | |
| 46 return a + ';\n' + 'yield ' + b + ';\n' + 'yield ' + c; | |
| 47 } | |
| 48 | |
| 49 // Simple empty local scope. | |
| 50 RunTest([prog('', '1', '2')], [], 1, 2); | |
| 51 | |
| 52 RunTest([prog('for (;;) break', '1', '2')], [], 1, 2); | |
| 53 | |
| 54 RunTest([prog('while (0) foo()', '1', '2')], [], 1, 2); | |
| 55 | |
| 56 RunTest(['a', prog('var x = 3', 'a', 'x')], [1], 1, 3); | |
| 57 | |
| 58 RunTest(['a', prog('', '1', '2')], [42], 1, 2); | |
| 59 | |
| 60 RunTest(['a', prog('for (;;) break', '1', '2')], [42], 1, 2); | |
| OLD | NEW |