Robert Nystrom
0906af6d2f
I also regenerated the static error expectations (see #57042 for context). Change-Id: Ia0ca22604a0dd422cc265a46845afc43f551fe38 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/394572 Commit-Queue: Lasse Nielsen <lrn@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
54 lines
1.4 KiB
Dart
54 lines
1.4 KiB
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/async_helper.dart";
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import "package:expect/expect.dart";
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import "dart:async";
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void main() {
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StackTrace stack;
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try {
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throw 0;
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} catch (e, s) {
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stack = s;
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}
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var string = "$stack";
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StackTrace stringTrace = new StackTrace.fromString(string);
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Expect.isTrue(stringTrace is StackTrace);
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Expect.equals(stack.toString(), stringTrace.toString());
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string = "some random string, nothing like a StackTrace";
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stringTrace = new StackTrace.fromString(string);
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Expect.isTrue(stringTrace is StackTrace);
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Expect.equals(string, stringTrace.toString());
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// Use stacktrace asynchronously.
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asyncStart();
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var c = new Completer();
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c.completeError(0, stringTrace);
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c.future
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.then<Null>(
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(v) {
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throw "Unexpected value: $v";
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},
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onError: (e, s) {
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Expect.equals(string, s.toString());
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},
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)
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.then((_) {
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var c = new StreamController();
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c.stream.listen(
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(v) {
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throw "Unexpected value: $v";
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},
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onError: (e, s) {
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Expect.equals(string, s.toString());
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asyncEnd();
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},
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);
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c.addError(0, stringTrace);
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c.close();
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});
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}
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