Bug fix and improvements to clamped arrays.

tests/standalone/byte_array_test.dart

 // Copyright (c) 2012, 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.
 //
 // Dart test program for testing native byte arrays.
 
 // Library tag to be able to run in html test framework.
 library ByteArrayTest;
 
 import 'dart:scalarlist';
@@ skipping 30 matching lines @@
 
 void testUnsignedByteArrayRange(bool check_throws) {
   Uint8List byteArray;
   byteArray = new Uint8List(10);
 
   byteArray[1] = 255;
   Expect.equals(255, byteArray[1]);
   byteArray[1] = 0;
   Expect.equals(0, byteArray[1]);
 
+  for (int i = 0; i < byteArray.length; i++) {
+    byteArray[i] = i;
+  }
+  for (int i = 0; i < byteArray.length; i++) {
+    Expect.equals(i, byteArray[i]);
+  }
+
   // These should eventually throw.
   byteArray[1] = 256;
   byteArray[1] = -1;
   byteArray[2] = -129;
   if (check_throws) {
     Expect.throws(() {
       byteArray[1] = 1.2;
     });
   }
 }
 
 void testClampedUnsignedByteArrayRange(bool check_throws) {
   Uint8ClampedList byteArray;
   byteArray = new Uint8ClampedList(10);
 
   byteArray[1] = 255;
   Expect.equals(255, byteArray[1]);
   byteArray[1] = 0;
   Expect.equals(0, byteArray[1]);
+  for (int i = 0; i < byteArray.length; i++) {
+    byteArray[i] = i;
+  }
+  for (int i = 0; i < byteArray.length; i++) {
+    Expect.equals(i, byteArray[i]);
+  }
 
   // These should eventually throw.
   byteArray[1] = 256;
   byteArray[2] = -129;
   Expect.equals(255, byteArray[1]);
   Expect.equals(0, byteArray[2]);
 }
 
 void testByteArrayRange(bool check_throws) {
   Int8List byteArray;
@@ skipping 138 matching lines @@
     testClampedUnsignedByteArrayRange(false);
     testSetRange();
     testIndexOutOfRange();
     testIndexOf();
     testSubArray();
   }
   testByteArrayRange(true);
   testUnsignedByteArrayRange(true);
 }