Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(673)

Side by Side Diff: tests/lib_strong/async/slow_consumer3_test.dart

Issue 2771453003: Format all tests. (Closed)
Patch Set: Format files Created 3 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 // VMOptions=--old_gen_heap_size=64 5 // VMOptions=--old_gen_heap_size=64
6 6
7 library slow_consumer3_test; 7 library slow_consumer3_test;
8 8
9 import 'package:async_helper/async_helper.dart'; 9 import 'package:async_helper/async_helper.dart';
10 import "package:expect/expect.dart"; 10 import "package:expect/expect.dart";
(...skipping 13 matching lines...) Expand all
24 24
25 SlowConsumer(int this.bytesPerSecond, int this.bufferSize); 25 SlowConsumer(int this.bytesPerSecond, int this.bufferSize);
26 26
27 Future consume(Stream stream) { 27 Future consume(Stream stream) {
28 return addStream(stream).then((_) => close()); 28 return addStream(stream).then((_) => close());
29 } 29 }
30 30
31 Future addStream(Stream stream) { 31 Future addStream(Stream stream) {
32 Completer result = new Completer(); 32 Completer result = new Completer();
33 var subscription; 33 var subscription;
34 subscription = stream.listen( 34 subscription = stream.listen((List<int> data) {
35 (List<int> data) { 35 receivedCount += data.length;
36 receivedCount += data.length; 36 usedBufferSize += data.length;
37 usedBufferSize += data.length; 37 bufferedData.add(data);
38 bufferedData.add(data); 38 int currentBufferedDataLength = bufferedData.length;
39 int currentBufferedDataLength = bufferedData.length; 39 if (usedBufferSize > bufferSize) {
40 if (usedBufferSize > bufferSize) { 40 subscription.pause();
41 subscription.pause(); 41 usedBufferSize = 0;
42 usedBufferSize = 0; 42 int ms = data.length * 1000 ~/ bytesPerSecond;
43 int ms = data.length * 1000 ~/ bytesPerSecond; 43 Duration duration = new Duration(milliseconds: ms);
44 Duration duration = new Duration(milliseconds: ms); 44 new Timer(duration, () {
45 new Timer(duration, () { 45 for (int i = 0; i < currentBufferedDataLength; i++) {
46 for (int i = 0; i < currentBufferedDataLength; i++) { 46 bufferedData[i] = null;
47 bufferedData[i] = null; 47 }
48 } 48 subscription.resume();
49 subscription.resume(); 49 });
50 }); 50 }
51 } 51 }, onDone: () {
52 }, 52 finalCount = receivedCount;
53 onDone: () { 53 result.complete(receivedCount);
54 finalCount = receivedCount; 54 });
55 result.complete(receivedCount);
56 });
57 return result.future; 55 return result.future;
58 } 56 }
59 57
60 Future close() { 58 Future close() {
61 return new Future.value(finalCount); 59 return new Future.value(finalCount);
62 } 60 }
63 } 61 }
64 62
65 Stream<List> dataGenerator(int bytesTotal, int chunkSize) { 63 Stream<List> dataGenerator(int bytesTotal, int chunkSize) {
66 int chunks = bytesTotal ~/ chunkSize; 64 int chunks = bytesTotal ~/ chunkSize;
(...skipping 12 matching lines...) Expand all
79 // Notice that we aren't really counting bytes, but words, since we use normal 77 // Notice that we aren't really counting bytes, but words, since we use normal
80 // lists where each entry takes up a full word. In 64-bit VMs this will be 78 // lists where each entry takes up a full word. In 64-bit VMs this will be
81 // 8 bytes per entry, so the 3*MB buffer is picked to stay below 32 actual 79 // 8 bytes per entry, so the 3*MB buffer is picked to stay below 32 actual
82 // MiB. 80 // MiB.
83 // 81 //
84 // This test is limited to 32MB of heap-space (see VMOptions on top of the 82 // This test is limited to 32MB of heap-space (see VMOptions on top of the
85 // file). If the consumer doesn't pause the data-provider it will run out of 83 // file). If the consumer doesn't pause the data-provider it will run out of
86 // heap-space. 84 // heap-space.
87 85
88 dataGenerator(100 * MB, 512 * KB) 86 dataGenerator(100 * MB, 512 * KB)
89 .pipe(new SlowConsumer(200 * MB, 3 * MB)) 87 .pipe(new SlowConsumer(200 * MB, 3 * MB))
90 .then((count) { 88 .then((count) {
91 Expect.equals(100 * MB, count); 89 Expect.equals(100 * MB, count);
92 asyncEnd(); 90 asyncEnd();
93 }); 91 });
94 } 92 }
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698