Move unicode tests to utf package.

utils/tests/string_encoding/dunit.dart

-#!/usr/bin/env 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 dunit;
-
-typedef void Test();
-typedef TestResult SynchTest();
-typedef Future<TestResult> AsynchTest();
-
-class TestSuite {
-  TestSuite() : _tests = <SynchTest>[];
-
-  void registerTestClass(TestClass tests) {
-    tests.registerTests(this);
-  }
-
-  void _registerTest(SynchTest test) {
-    _tests.add(test);
-  }
-
-  void run() {
-    reportResults(runTests());
-  }
-
-  List<TestResult> runTests() {
-    List<TestResult> results = <TestResult>[];
-    for(Function test in _tests) {
-      results.add(test());
-    }
-    return results;
-  }
-
-  void reportResults(List<TestResult> results) {
-    if(results.every((TestResult r) => r is PassedTest)) {
-      print("OK -- ALL TESTS PASS (${results.length} run)");
-    } else {
-      for(TestResult r in
-          results.where((TestResult r) => !(r is PassedTest))) {
-        print(r);
-      }
-      int passedTests =
-          results.where((TestResult r) => r is PassedTest).length;
-      int failures =
-          results.where((TestResult r) => r is FailedTest).length;
-      int errors =
-          results.where((TestResult r) => r is TestError).length;
-      print("FAIL -- TESTS RUN: ${results.length}");
-      print("        PASSED: ${passedTests}");
-      print("        FAILED: ${failures}");
-      print("        ERRORS: ${errors}");
-    }
-  }
-
-  List<SynchTest> _tests;
-}
-
-abstract class TestResult {
-  String get testDescription;
-}
-
-class PassedTest implements TestResult {
-  const PassedTest(String this._testDescription);
-  String get testDescription => _testDescription;
-  final String _testDescription;
-  String toString() => _testDescription;
-}
-
-class _ExceptionResult {
-  const _ExceptionResult(String this._testDescription, var this._exception);
-
-  String get testDescription => _testDescription;
-  final String _testDescription;
-
-  Object get exception => _exception;
-  final _exception;
-}
-
-class FailedTest extends _ExceptionResult implements TestResult {
-  FailedTest(String testDescription, var exception) :
-      super(testDescription, exception);
-
-  String toString() => ">>> Test failure in ${_testDescription} " +
-      "with:\n${exception}\n";
-}
-
-class TestError extends _ExceptionResult implements TestResult {
-  TestError(String testDescription, var exception, var this.stacktrace) :
-      super(testDescription, exception);
-
-  String toString() => ">>> Test error caught in " +
-      "${_testDescription} with:\n${exception}\n$stacktrace\n";
-
-  var stacktrace;
-}
-
-class TestClass {
-  void register(String description, Function test, TestSuite suite) {
-    suite._registerTest(() {
-      setUp();
-      try {
-        test();
-        tearDown();
-        return new PassedTest(description);
-      } on ExpectException catch (x) {
-        tearDown();
-        return new FailedTest(description, x);
-      } catch (x, stacktrace) {
-        tearDown();
-        return new TestError(description, x, stacktrace);
-      }
-    });
-  }
-
-  void registerTests(TestSuite suite);
-  void setUp() {}
-  void tearDown() {}
-}