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// 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_driver/src/driver/timeline.dart';
import '../../common.dart';
void main() {
group('Timeline', () {
test('parses JSON', () {
final Timeline timeline = Timeline.fromJson(<String, dynamic>{
'traceEvents': <Map<String, dynamic>>[
<String, dynamic>{
'name': 'test event',
'cat': 'test category',
'ph': 'B',
'pid': 123,
'tid': 234,
'dur': 345,
'tdur': 245,
'ts': 456,
'tts': 567,
'args': <String, dynamic>{
'arg1': true,
},
},
// Tests that we don't choke on missing data
<String, dynamic>{},
],
});
expect(timeline.events, hasLength(2));
final TimelineEvent e1 = timeline.events![1];
expect(e1.name, 'test event');
expect(e1.category, 'test category');
expect(e1.phase, 'B');
expect(e1.processId, 123);
expect(e1.threadId, 234);
expect(e1.duration, const Duration(microseconds: 345));
expect(e1.threadDuration, const Duration(microseconds: 245));
expect(e1.timestampMicros, 456);
expect(e1.threadTimestampMicros, 567);
expect(e1.arguments, <String, dynamic>{'arg1': true});
final TimelineEvent e2 = timeline.events![0];
expect(e2.name, isNull);
expect(e2.category, isNull);
expect(e2.phase, isNull);
expect(e2.processId, isNull);
expect(e2.threadId, isNull);
expect(e2.duration, isNull);
expect(e2.threadDuration, isNull);
expect(e2.timestampMicros, isNull);
expect(e2.threadTimestampMicros, isNull);
expect(e2.arguments, isNull);
});
test('sorts JSON', () {
final Timeline timeline = Timeline.fromJson(<String, dynamic>{
'traceEvents': <Map<String, dynamic>>[
<String, dynamic>{
'name': 'test event 1',
'ts': 457,
},
<String, dynamic>{
'name': 'test event 2',
'ts': 456,
},
],
});
expect(timeline.events, hasLength(2));
expect(timeline.events![0].timestampMicros, equals(456));
expect(timeline.events![1].timestampMicros, equals(457));
expect(timeline.events![0].name, equals('test event 2'));
expect(timeline.events![1].name, equals('test event 1'));
});
test('sorts JSON nulls first', () {
final Timeline timeline = Timeline.fromJson(<String, dynamic>{
'traceEvents': <Map<String, dynamic>>[
<String, dynamic>{
'name': 'test event 0',
'ts': null,
},
<String, dynamic>{
'name': 'test event 1',
'ts': 457,
},
<String, dynamic>{
'name': 'test event 2',
'ts': 456,
},
<String, dynamic>{
'name': 'test event 3',
'ts': null,
},
],
});
expect(timeline.events, hasLength(4));
expect(timeline.events![0].timestampMicros, isNull);
expect(timeline.events![1].timestampMicros, isNull);
expect(timeline.events![2].timestampMicros, equals(456));
expect(timeline.events![3].timestampMicros, equals(457));
expect(timeline.events![0].name, equals('test event 0'));
expect(timeline.events![1].name, equals('test event 3'));
expect(timeline.events![2].name, equals('test event 2'));
expect(timeline.events![3].name, equals('test event 1'));
});
});
}