Update the streams interfaces

tests/standalone/src/ProcessStdoutTest.dart

Index: tests/standalone/src/ProcessStdoutTest.dart
diff --git a/tests/standalone/src/ProcessStdoutTest.dart b/tests/standalone/src/ProcessStdoutTest.dart
index 51250d1a2c41d0a7dfd55f79a111c45ea2351d8a..7177144e5db14bbd5c57a20739135d598731a795 100644
--- a/tests/standalone/src/ProcessStdoutTest.dart
+++ b/tests/standalone/src/ProcessStdoutTest.dart
@@ -11,45 +11,52 @@
 
 class ProcessStdoutTest {
 
-  static void testExit() {
+  static void testStdout() {
     Process process = new Process("out/Debug_ia32//process_test",
                                    const ["0", "1", "99", "0"]);
     final int BUFFERSIZE = 10;
     final int STARTCHAR = 65;
-    List<int> buffer = new List<int>(BUFFERSIZE);
+    List<int> data = new List<int>(BUFFERSIZE);
     for (int i = 0; (i < BUFFERSIZE - 1); i++) {
-      buffer[i] = STARTCHAR + i;
+      data[i] = STARTCHAR + i;
     }
-    buffer[BUFFERSIZE - 1] = 10;
+    data[BUFFERSIZE - 1] = 10;
 
     InputStream input = process.stdout;
     OutputStream output = process.stdin;
 
     process.start();
 
-    List<int> readBuffer = new List<int>(BUFFERSIZE);
+    int received = 0;
 
     void dataWritten() {
       void readData() {
-        for (int i = 0; i < BUFFERSIZE; i++) {
-          Expect.equals(buffer[i], readBuffer[i]);
+        List<int> buffer = input.read();
+        for (int i = 0; i < buffer.length; i++) {
+          Expect.equals(data[received + i], buffer[i]);
+        }
+        received += buffer.length;
+        if (received == BUFFERSIZE) {
+          process.close();
         }
-        process.close();
       }
 
-      bool read = input.read(readBuffer, 0, BUFFERSIZE, readData);
-      if (read) {
-        readData();
+      void streamClosed() {
+        Expect.equals(BUFFERSIZE, received);
       }
+
+      input.dataHandler = readData;
+      input.closeHandler = streamClosed;
     }
-    bool written = output.write(buffer, 0, BUFFERSIZE, dataWritten);
+
+    bool written = output.write(data, 0, BUFFERSIZE, dataWritten);
     if (written) {
       dataWritten();
     }
   }
 
   static void testMain() {
-    testExit();
+    testStdout();
   }
 }