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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 import "dart:convert" show LineSplitter; |
| 6 |
| 7 import "package:expect/expect.dart"; |
| 8 |
| 9 void main() { |
| 10 var st0; |
| 11 var st1; |
| 12 // Primitive way to get stack trace,. |
| 13 try { throw 0; } catch (_, s) { st0 = s; } |
| 14 st1 = StackTrace.current; |
| 15 |
| 16 var st0s = findMain(st0); |
| 17 var st1s = findMain(st1); |
| 18 // Stack traces are not equal (contains at least a different line number, |
| 19 // and possible different frame numbers). |
| 20 // They are *similar*, so check that they agree on everything but numbers. |
| 21 var digits = new RegExp(r"\d+"); |
| 22 Expect.equals(st0s.replaceAll(digits, "0"), st1s.replaceAll(digits, "0")); |
| 23 } |
| 24 |
| 25 String findMain(StackTrace stack) { |
| 26 var string = "$stack"; |
| 27 var lines = LineSplitter.split(string).toList(); |
| 28 while (lines.isNotEmpty && !lines.first.contains("main")) { |
| 29 lines.removeAt(0); |
| 30 } |
| 31 return lines.join("\n"); |
| 32 } |
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