flutter/packages/flutter_test/test/stack_manipulation_test.dart
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---------

Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
2024-12-19 20:06:21 +00:00

30 lines
1.1 KiB
Dart

// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
test('stack manipulation: reportExpectCall', () {
try {
expect(false, isTrue);
fail('unexpectedly did not throw');
} catch (e, stack) {
final List<DiagnosticsNode> information = <DiagnosticsNode>[];
expect(reportExpectCall(stack, information), 4);
final TextTreeRenderer renderer = TextTreeRenderer();
final List<String> lines = information
.map((DiagnosticsNode node) => renderer.render(node).trimRight())
.join('\n')
.split('\n');
expect(lines[0], 'This was caught by the test expectation on the following line:');
expect(lines[1], matches(r'^ .*stack_manipulation_test.dart line [0-9]+$'));
}
final List<DiagnosticsNode> information = <DiagnosticsNode>[];
expect(reportExpectCall(StackTrace.current, information), 0);
expect(information, isEmpty);
});
}