test large inputs for sha1 and sha256, also remove unused import

test/sha1_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 test.
 library sha1_test;
 
 import "package:crypto/crypto.dart";
 import "package:test/test.dart";
+import 'very_long_input.dart';
 
 part 'sha1_long_test_vectors.dart';
 part 'sha1_short_test_vectors.dart';
 
 void main() {
   test('expected values', _testExpectedValues);
   test('invalid use', _testInvalidUse);
   test('repeated digest', _testRepeatedDigest);
   test('long inputs', () {
     _testStandardVectors(sha1_long_inputs, sha1_long_mds);
   });
   test('short inputs', () {
     _testStandardVectors(sha1_short_inputs, sha1_short_mds);
   });
+  test('input length greater than 32 bits', () {

[rmacnak, 2015/09/17 21:21:31]

input bit length greater than 32 bits

[sethladd, 2015/09/17 21:30:52]

Done.

+    veryLongInput(
+        new SHA1(), 1000000000, '1dd775261d7abab0b66910acc1d827a2c3799eaf');
+  });
 }
 
 void _testExpectedValues() {
   var expectedValues = const [
     "da39a3ee5e6b4b0d3255bfef95601890afd80709",
     "5ba93c9db0cff93f52b521d7420e43f6eda2784f",
     "3f29546453678b855931c174a97d6c0894b8f546",
     "0c7a623fd2bbc05b06423be359e4021d36e721ad",
     "a02a05b025b928c039cf1ae7e8ee04e7c190c0db",
     "1cf251472d59f8fadeb3ab258e90999d8491be19",
@@ skipping 525 matching lines @@
 }
 
 void _testStandardVectors(inputs, mds) {
   for (var i = 0; i < inputs.length; i++) {
     var hash = new SHA1();
     hash.add(inputs[i]);
     var d = hash.close();
     expect(mds[i], CryptoUtils.bytesToHex(d), reason: '$i');
   }
 }