Make new StreamController be async by default.

tests/standalone/io/regress_10026_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. 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:expect/expect.dart";
 import 'dart:async';
 import 'dart:io';
 import 'dart:isolate';
 
 void testZLibInflate_regress10026() {
   test(data, expect) {
     var port = new ReceivePort();
-    var controller = new StreamController();
+    var controller = new StreamController(sync: true);
     controller.stream
         .transform(new ZLibInflater())
         .transform(new StringDecoder())
         .fold(new StringBuffer(), (buffer, s) {
           buffer.write(s);
           return buffer;
         })
         .then((out) {
           Expect.equals(out.toString(), expect);
           port.close();
         });
     controller.add(data);
     controller.close();
   }
+  // Generated by using 'gzip -c | od -v -tu1 -An -w12' and adding commas.
   test([
-      31, 139, 8, 0, 140, 39, 113, 81, 2, 255, 125, 84, 205, 142, 211, 48, 16,
-      62, 55, 79, 49, 132, 11, 72, 77, 211, 101, 1, 85, 217, 52, 2, 1, 18, 23,
-      224, 0, 23, 142, 211, 120, 210, 142, 54, 177, 131, 237, 164, 173, 16, 239,
-      206, 216, 105, 187, 133, 21, 168, 145, 26, 207, 196, 223, 159, 39, 41,
-      159, 40, 83, 251, 99, 79, 176, 243, 93, 91, 37, 229, 249, 143, 80, 85,
-      201, 172, 244, 236, 91, 170, 62, 28, 176, 235, 91, 130, 247, 166, 67, 214,
-      101, 62, 85, 19, 233, 119, 228, 17, 234, 29, 90, 71, 126, 157, 14, 190,
-      201, 86, 41, 228, 213, 185, 179, 243, 190, 207, 232, 199, 192, 227, 58,
-      125, 103, 180, 39, 237, 179, 192, 150, 66, 61, 173, 214, 169, 167, 131,
-      207, 3, 235, 221, 5, 231, 17, 140, 198, 142, 214, 233, 200, 180, 239, 141,
-      245, 87, 155, 247, 172, 252, 110, 173, 104, 228, 154, 178, 184, 152, 3,
-      107, 246, 140, 109, 230, 106, 108, 105, 125, 115, 194, 113, 254, 40, 6, 2,
-      247, 137, 178, 118, 46, 149, 198, 198, 168, 35, 252, 76, 102, 179, 13,
-      214, 247, 91, 107, 6, 173, 178, 218, 180, 198, 22, 240, 180, 89, 202, 239,
-      197, 157, 52, 59, 180, 91, 214, 5, 44, 195, 162, 71, 165, 88, 111, 79,
-      171, 70, 180, 100, 13, 118, 220, 30, 11, 72, 191, 244, 164, 225, 43, 106,
-      151, 206, 33, 253, 72, 237, 72, 158, 107, 132, 207, 52, 144, 84, 46, 133,
-      57, 188, 181, 162, 113, 14, 78, 30, 205, 28, 89, 110, 2, 86, 50, 251, 149,
-      204, 20, 143, 81, 80, 180, 83, 192, 235, 229, 178, 63, 92, 107, 120, 69,
-      29, 224, 224, 205, 31, 82, 110, 169, 187, 251, 135, 137, 38, 66, 111, 140,
-      85, 100, 51, 139, 138, 7, 87, 192, 77, 124, 94, 216, 176, 104, 89, 223,
-      207, 1, 139, 145, 29, 123, 82, 145, 251, 188, 249, 118, 245, 114, 181,
-      138, 251, 67, 102, 153, 162, 218, 88, 244, 108, 68, 134, 54, 154, 38, 136,
-      55, 29, 41, 70, 120, 214, 225, 33, 187, 22, 253, 124, 202, 245, 28, 240,
-      127, 196, 9, 200, 197, 246, 217, 247, 217, 226, 67, 246, 15, 165, 191,
-      204, 196, 115, 120, 200, 98, 242, 22, 64, 229, 42, 243, 120, 242, 213, 44,
-      41, 243, 105, 168, 147, 50, 72, 146, 25, 23, 198, 48, 25, 187, 155, 71,
-      243, 45, 37, 105, 244, 213, 183, 29, 59, 80, 177, 8, 114, 71, 206, 227,
-      166, 101, 183, 147, 148, 188, 129, 13, 193, 224, 228, 182, 49, 22, 184,
-      109, 7, 231, 67, 54, 35, 1, 77, 112, 78, 70, 81, 118, 215, 67, 39, 179,
-      234, 22, 240, 221, 12, 178, 148, 224, 60, 104, 138, 16, 49, 105, 241, 194,
-      26, 61, 129, 192, 160, 187, 143, 112, 61, 217, 142, 157, 147, 160, 3, 145,
-      176, 128, 191, 150, 162, 47, 20, 114, 112, 90, 1, 251, 32, 47, 0, 227,
-      136, 220, 138, 72, 10, 48, 2, 111, 105, 203, 147, 46, 163, 23, 101, 222,
-      79, 190, 74, 121, 51, 45, 53, 235, 52, 188, 159, 69, 158, 239, 247, 251,
-      5, 163, 198, 133, 177, 219, 124, 34, 113, 185, 235, 169, 150, 25, 77, 171,
-      79, 198, 146, 112, 10, 96, 55, 225, 44, 4, 9, 171, 136, 86, 230, 49, 197,
-      50, 63, 101, 154, 79, 223, 143, 223, 163, 237, 129, 168, 87, 4, 0, 0],
-      '''<!doctype html>
+     31, 139,   8,   8, 238,  42, 167,  81,   0,   3, 116, 101,
+    120, 116,  46, 116, 120, 116,   0, 125,  84,  79, 175, 147,
+     64,  16,  63, 183, 159,  98, 196, 139,  38, 165, 244, 249,
+    212,  52,  20, 136,  70,  77, 188, 168,   7, 189, 120, 156,
+    178,  67, 153,  20, 118, 113, 119, 161, 109, 140, 223, 221,
+     97, 105, 251, 170,  47, 154,  54,  41,  51, 195, 254, 254,
+     49,  52, 123, 162,  76, 233,  79,  29,  65, 237, 219, 166,
+    152, 103, 151,  31,  66,  85, 204, 103, 153, 103, 223,  80,
+    241, 225, 136, 109, 215,  16, 188,  55,  45, 178, 206, 146,
+    169,  59, 151, 121,  75,  30, 161, 172, 209,  58, 242, 121,
+    212, 251,  42,  94,  71, 144,  20, 151,  73, 237, 125,  23,
+    211, 143, 158, 135,  60, 122, 103, 180,  39, 237, 227, 145,
+     45, 130, 114, 170, 242, 200, 211, 209,  39,  35, 235, 230,
+    138, 243,   8,  70,  99,  75, 121,  52,  48,  29,  58,  99,
+    253, 205, 225,   3,  43,  95, 231, 138,   6,  46,  41,  14,
+    197,   2,  88, 179, 103, 108,  98,  87,  98,  67, 249, 221,
+     25, 199, 249, 147,  24,  24, 185, 207, 148, 165, 115, 145,
+     12, 182,  70, 157, 224, 231, 124,  54, 219,  98, 185, 223,
+     89, 211, 107,  21, 151, 166,  49,  54, 133, 167, 213,  74,
+     62,  47,  54,  50, 108, 209, 238,  88, 167, 176,  26, 139,
+     14, 149,  98, 189,  59,  87, 149, 104, 137,  43, 108, 185,
+     57, 165,  16, 125, 233,  72, 195,  87, 212,  46,  90,  64,
+    244, 145, 154, 129,  60, 151,   8, 159, 169,  39, 233,  92,
+     27,  11, 120, 107,  69, 227,   2, 156, 220,  26,  59, 178,
+     92, 109,  36, 206,  95, 243, 153, 226,  33, 200,   9, 102,
+     82, 120, 189,  90, 117, 199,  91,   5, 175, 168,   5, 236,
+    189, 249,  67, 200,  61, 181, 155, 127,  88, 168, 170,  48,
+     49,  86, 145, 141,  45,  42, 238,  93,  10, 119, 225, 126,
+     97, 195, 180,  97, 189,  95,   0, 166,   3,  59, 246, 164,
+      2, 247, 229, 240, 253, 250, 229, 122,  29, 206, 143, 137,
+    197, 138,  74,  99, 209, 179,  17,  25, 218, 104, 154,  32,
+    222, 180, 164,  24, 225,  89, 139, 199, 248,  86, 244, 243,
+     41, 213,  75, 188, 255,  17,  39,  32,  87, 219,  23, 223,
+     23, 139,  15, 201,  63, 180, 254,  50,  19, 158, 194,  67,
+     22, 147, 183,  17,  84, 190,  89,  18, 158, 187,  44, 116,
+     50, 109, 244,  60,  27,  21,  73,  45, 132, 227,  90, 212,
+    119, 143, 150,  91,  90,  50, 232, 138, 111,  53,  59,  80,
+    161,   9, 114,  69, 206, 227, 182,  97,  87,  75,  72, 222,
+    192, 150, 160, 119, 114,  89,  25,  11, 220,  52, 189, 243,
+     99,  52,   3,   1,  77, 112,  78, 246,  80,  78, 151, 125,
+     43, 139, 234, 150, 240, 221, 244,  82,  74, 110,  30,  52,
+      5, 136,  16, 180,  88,  97, 141, 158,  64,  96, 208, 237,
+      3,  92,  71, 182, 101, 231,  36, 231, 145,  72,  88, 192,
+    223,  74, 209,  87,  10, 121, 110,  90,   1, 251,  81, 222,
+      8, 140,   3, 114,  35,  34, 105, 132,  17, 120,  75,  59,
+    158, 116,  25, 189, 204, 146, 110, 242, 149, 201, 107, 105,
+    169, 202, 163, 241, 229,  76, 147, 228, 112,  56,  44,  25,
+     53,  46, 141, 221,  37,  19, 137,  75,  92,  71, 165,  44,
+    104,  84, 124,  50, 150, 132,  83,   0, 219,   9, 103,  41,
+     72,  88,   4, 180,  44,   9,  41, 102, 201,  57, 211, 100,
+    250, 243, 248,  13, 215,  32, 235, 247,  84,   4,   0,   0
+  ], '''
+<!doctype html>
 <html>
 <head>
         <title>Example Domain</title>
 
         <meta charset="utf-8" />
         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1" />
         <style type="text/css">
         body {
                 background-color: #f0f0f2;
                 margin: 0;
                 padding: 0;
                 font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
-                
+
         }
         div {
                 width: 600px;
                 margin: 5em auto;
                 padding: 3em;
                 background-color: #fff;
                 border-radius: 1em;
         }
         a:link, a:visited {
                 color: #38488f;
                 text-decoration: none;
         }
         @media (max-width: 600px) {
                 body {
                         background-color: #fff;
                 }
                 div {
                         width: auto;
                         margin: 0 auto;
                         border-radius: 0;
                         padding: 1em;
                 }
         }
-        </style>        
+        </style>
 </head>
 
 <body>
 <div>
         <h1>Example Domain</h1>
         <p>This domain is established to be used for illustrative examples in documents. You do not need to
                 coordinate or ask for permission to use this domain in examples, and it is not available for
                 registration.</p>
         <p><a href="http://www.iana.org/domains/special">More information...</a></p>
 </div>
 </body>
 </html>
 ''');
 }
 
 void main() {
   testZLibInflate_regress10026();
 }