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This auto-formats all *.dart files in the repository outside of the `engine` subdirectory and enforces that these files stay formatted with a presubmit check. **Reviewers:** Please carefully review all the commits except for the one titled "formatted". The "formatted" commit was auto-generated by running `dev/tools/format.sh -a -f`. The other commits were hand-crafted to prepare the repo for the formatting change. I recommend reviewing the commits one-by-one via the "Commits" tab and avoiding Github's "Files changed" tab as it will likely slow down your browser because of the size of this PR. --------- Co-authored-by: Kate Lovett <katelovett@google.com> Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
44 lines
1.7 KiB
Dart
44 lines
1.7 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// See also test_async_utils.dart which has some stack manipulation code.
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/// @docImport 'widget_tester.dart';
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library;
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import 'package:flutter/foundation.dart';
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/// Report call site for `expect()` call. Returns the number of frames that
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/// should be elided if a stack were to be modified to hide the expect call, or
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/// zero if no such call was found.
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///
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/// If the head of the stack trace consists of a failure as a result of calling
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/// the test_widgets [expect] function, this will fill the given
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/// FlutterErrorBuilder with the precise file and line number that called that
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/// function.
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int reportExpectCall(StackTrace stack, List<DiagnosticsNode> information) {
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final RegExp line0 = RegExp(r'^#0 +fail \(.+\)$');
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final RegExp line1 = RegExp(r'^#1 +_expect \(.+\)$');
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final RegExp line2 = RegExp(r'^#2 +expect \(.+\)$');
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final RegExp line3 = RegExp(r'^#3 +expect \(.+\)$');
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final RegExp line4 = RegExp(r'^#4 +[^(]+ \((.+?):([0-9]+)(?::[0-9]+)?\)$');
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final List<String> stackLines = stack.toString().split('\n');
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if (line0.firstMatch(stackLines[0]) != null &&
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line1.firstMatch(stackLines[1]) != null &&
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line2.firstMatch(stackLines[2]) != null &&
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line3.firstMatch(stackLines[3]) != null) {
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final Match expectMatch = line4.firstMatch(stackLines[4])!;
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assert(expectMatch.groupCount == 2);
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information.add(
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DiagnosticsStackTrace.singleFrame(
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'This was caught by the test expectation on the following line',
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frame: '${expectMatch.group(1)} line ${expectMatch.group(2)}',
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),
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);
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return 4;
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}
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return 0;
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}
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