String encoding utility methods and tests for Unicode, UTF-8, -16 and -32.

utils/tests/string_encoding/unicode_tests.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("unicode_tests");
+#import("dunit.dart");
+#import("../../string_encoding/unicode.dart");
+
+void main() {
+  TestSuite suite = new TestSuite();
+  suite.registerTestClass(new UnicodeTests());
+  suite.run();
+}
+
+class UnicodeTests extends TestClass {
+  static final String testPhrase =
+      "The quick brown fox jumps over the lazy dog.";
+
+  static final List<int> testCodepoints = const<int> [
+      84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110,
+      32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114,
+      32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103, 46];
+
+  void registerTests(TestSuite suite) {
+    register("testCodepointsToString", testCodepointsToString, suite);
+    register("testStringToCodepoints", testStringToCodepoints, suite);
+  }
+
+  void testStringToCodepoints() {
+    Expect.listEquals(testCodepoints, stringToCodepoints(testPhrase));
+  }
+
+  void testCodepointsToString() {
+    Expect.listEquals(testPhrase, codepointsToString(testCodepoints));
+  }
+}