Process tests work across platforms.

tests/standalone/src/ProcessStderrTest.dart

 // Copyright (c) 2011, 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.
 //
 // Process test program to test process communication.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
+#source("ProcessTestUtil.dart");
+
 class ProcessStderrTest {
-  static void testStderr() {
-    Process process = new Process("out/Debug_ia32/process_test",
+
+  static void testExit() {
+    Process process = new Process(getProcessTestFileName(),
                                   const ["1", "1", "99", "0"]);
     final int BUFFERSIZE = 10;
     final int STARTCHAR = 65;
     List<int> data = new List<int>(BUFFERSIZE);
     for (int i = 0; (i < BUFFERSIZE - 1); i++) {
       data[i] = STARTCHAR + i;
     }
     data[BUFFERSIZE - 1] = 10;
 
     InputStream input = process.stderr;
     OutputStream output = process.stdin;
 
     process.start();
 
     int received = 0;
+    List<int> buffer = [];
 
     void readData() {
-      List<int> buffer = input.read();
-      for (int i = 0; i < buffer.length; i++) {
-        Expect.equals(data[received + i], buffer[i]);
+      buffer.addAll(input.read());
+      for (int i = received; i < Math.min(data.length, buffer.length) - 1; i++) {
+        Expect.equals(data[i], buffer[i]);
       }
-      received += buffer.length;
+      received = buffer.length;
+      if (received >= BUFFERSIZE) {
+        // We expect an extra character on windows due to carriage return.
+        if (13 === buffer[BUFFERSIZE - 1] && BUFFERSIZE + 1 == received) {
+          Expect.equals(13, buffer[BUFFERSIZE - 1]);
+          Expect.equals(10, buffer[BUFFERSIZE]);
+          buffer.removeLast();
+          process.close();
+        } else if (received == BUFFERSIZE) {
+          Expect.equals(10, buffer[BUFFERSIZE - 1]);
+          process.close();
+        }
+      }
     }
 
     void streamClosed() {
       Expect.equals(BUFFERSIZE, received);
-      process.close();
     }
 
     output.write(data);
     output.close();
     input.dataHandler = readData;
     input.closeHandler = streamClosed;
   }
 
   static void testMain() {
-    testStderr();
+    testExit();
   }
 }
 
 main() {
-  ProcessStderrTest.testStderr();
+  ProcessStderrTest.testMain();
 }