assertions_test.dart 1.3 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
// Copyright 2017 The Chromium 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:test/test.dart';

import 'capture_output.dart';

void main() {
  test('debugPrintStack', () {
    final List<String> log = captureOutput(() {
      debugPrintStack(label: 'Example label', maxFrames: 7);
    });
    expect(log[0], contains('Example label'));
    expect(log[1], contains('debugPrintStack'));
  });


  test('debugPrintStack', () {
    final List<String> log = captureOutput(() {
      final FlutterErrorDetails details = new FlutterErrorDetails(
        exception: 'Example exception',
        stack: StackTrace.current,
        library: 'Example library',
        context: 'Example context',
        informationCollector: (StringBuffer information) {
          information.writeln('Example information');
        },
      );

      FlutterError.dumpErrorToConsole(details);
    });

    expect(log[0], contains('EXAMPLE LIBRARY'));
    expect(log[1], contains('Example context'));
    expect(log[2], contains('Example exception'));

    final String joined = log.join('\n');

    expect(joined, contains('captureOutput'));
    expect(joined, contains('\nExample information\n'));
  });

}