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Side by Side Diff: tests/corelib_strong/stacktrace_current_test.dart

Issue 3004073002: Remove corelib/corelib_strong and migrate last two remaining tests. (Closed)
Patch Set: Created 3 years, 3 months ago
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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 {
14 throw 0;
15 } catch (_, s) {
16 st0 = s;
17 }
18 st1 = StackTrace.current;
19
20 var st0s = findMain(st0);
21 var st1s = findMain(st1);
22 // Stack traces are not equal (contains at least a different line number,
23 // and possible different frame numbers).
24 // They are *similar*, so check that they agree on everything but numbers.
25 var digits = new RegExp(r"\d+");
26 Expect.equals(st0s.replaceAll(digits, "0"), st1s.replaceAll(digits, "0"));
27 }
28
29 String findMain(StackTrace stack) {
30 var string = "$stack";
31 var lines = LineSplitter.split(string).toList();
32 while (lines.isNotEmpty && !lines.first.contains("main")) {
33 lines.removeAt(0);
34 }
35 return lines.join("\n");
36 }
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