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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_consumer2_test; | 7 library slow_consumer2_test; |
8 | 8 |
9 import "package:expect/expect.dart"; | |
10 import 'dart:async'; | 9 import 'dart:async'; |
11 import 'dart:isolate'; | 10 import 'dart:isolate'; |
12 | 11 |
13 const int KB = 1024; | 12 const int KB = 1024; |
14 const int MB = KB * KB; | 13 const int MB = KB * KB; |
15 const int GB = KB * KB * KB; | 14 const int GB = KB * KB * KB; |
16 | 15 |
17 class SlowConsumer extends StreamConsumer { | 16 class SlowConsumer extends StreamConsumer { |
18 int receivedCount = 0; | 17 int receivedCount = 0; |
19 final int bytesPerSecond; | 18 final int bytesPerSecond; |
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100 // file). If the consumer doesn't pause the data-provider it will run out of | 99 // file). If the consumer doesn't pause the data-provider it will run out of |
101 // heap-space. | 100 // heap-space. |
102 | 101 |
103 new DataProvider(800 * MB, 100 * MB, 1 * MB).stream | 102 new DataProvider(800 * MB, 100 * MB, 1 * MB).stream |
104 .pipe(new SlowConsumer(200 * MB, 5 * MB)) | 103 .pipe(new SlowConsumer(200 * MB, 5 * MB)) |
105 .then((count) { | 104 .then((count) { |
106 port.close(); | 105 port.close(); |
107 Expect.equals(100 * MB, count); | 106 Expect.equals(100 * MB, count); |
108 }); | 107 }); |
109 } | 108 } |
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