Big merge from experimental to bleeding edge.

tests/lib/crypto/sha256_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.
 
 // Library tag to allow Dartium to run the tests.
 library sha256_test;
 
 import 'dart:crypto';
 
 part 'sha256_long_test_vectors.dart';
 part 'sha256_short_test_vectors.dart';
 
 List<int> createTestArr(int len) {
-  var arr = new List<int>(len);
+  var arr = new List<int>.fixedLength(len);
   for (var i = 0; i < len; i++) {
     arr[i] = i;
   }
   return arr;
 }
 
 void test() {
   final expected_values = const [
       'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',
       '6e340b9cffb37a989ca544e6bb780a2c78901d3fb33738768511a30617afa01d',
@@ skipping 246 matching lines @@
       'c6fefe1bfbe6f5364bf0e40447ffca27fde55f1cd815e1fa3bafb46a41c91749',
       '552a69d052ae2980aa92ef44b4a8752fc585d70127d9df1ac53137e266786e4d',
       '369d7da16156c5e2c0d519cdbab3996a7249e20d3e48c36a3a873e987190bd89',
       'ef67e0723230f6c535ff556e45ca2174e1e97deed306e9e87f1b65579076ec06',
       '2cb1e75cd7505a2783769276f30b122cb136fbbd03300510b71a7196ca670b37',
       '1211b6885890be48f89934ec5246f1ce3cfff46c626cfcd686d5fdce9b1fb830',
       'd6a8bdb01e763fb64f3a02512e7be905679a5add6bb408f8750d679d17cad92f',
       '3f8591112c6bbe5c963965954e293108b7208ed2af893e500d859368c654eabe' ];
 
   for (var i = 0; i < expected_values.length; i++) {
-    var d = new SHA256().update(createTestArr(i)).digest();
+    var hash = new SHA256();
+    hash.add(createTestArr(i));
+    var d = hash.close();
     Expect.equals(expected_values[i], CryptoUtils.bytesToHex(d), '$i');
   }
 }
 
 void testInvalidUse() {
   var sha = new SHA256();
-  sha.digest();
-  Expect.throws(() => sha.update([0]), (e) => e is HashException);
+  sha.close();
+  Expect.throws(() => sha.add([0]), (e) => e is HashException);
 }
 
 void testRepeatedDigest() {
   var sha = new SHA256();
-  var digest = sha.digest();
-  Expect.listEquals(digest, sha.digest());
+  var digest = sha.close();
+  Expect.listEquals(digest, sha.close());
 }
 
 void testStandardVectors(inputs, mds) {
   for (var i = 0; i < inputs.length; i++) {
-    var d = new SHA256().update(inputs[i]).digest();
+    var hash = new SHA256();
+    hash.add(inputs[i]);
+    var d = hash.close();
     Expect.equals(mds[i], CryptoUtils.bytesToHex(d), '$i');
   }
 }
 
 void main() {
   test();
   testInvalidUse();
   testRepeatedDigest();
   testStandardVectors(sha256_long_inputs, sha256_long_mds);
   testStandardVectors(sha256_short_inputs, sha256_short_mds);
 }