unittest step2: bye bye to multiple entrypoints for unittest

lib/unittest/test_case.dart

Index: lib/unittest/test_case.dart
diff --git a/lib/unittest/test_case.dart b/lib/unittest/test_case.dart
new file mode 100644
index 0000000000000000000000000000000000000000..02aea4399361a1ce232dcf2a41d4e082e7fcf3e4
--- /dev/null
+++ b/lib/unittest/test_case.dart
@@ -0,0 +1,60 @@
+// Copyright (c) 2011, 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.
+
+/**
+ * testcase.dart: this file is sourced by unittest.dart. It defines [TestCase]
+ * and assumes unittest defines the type [TestFunction].
+ */
+
+/** Summarizes information about a single test case. */
+class TestCase {
+  /** Identifier for this test. */
+  final int id;
+
+  /** A description of what the test is specifying. */
+  final String description;
+
+  /** The body of the test case. */
+  final TestFunction test;
+
+  /** Total number of callbacks to wait for before the test completes. */
+  int callbacks;
+
+  /** Error or failure message. */
+  String message = '';
+
+  /**
+   * One of [_PASS], [_FAIL], or [_ERROR] or [null] if the test hasn't run yet.
+   */
+  String result;
+
+  /** Stack trace associated with this test, or null if it succeeded. */
+  String stackTrace;
+
+  Date startTime;
+
+  Duration runningTime;
+
+  TestCase(this.id, this.description, this.test, this.callbacks);
+
+  bool get isComplete() => result != null;
+
+  void pass() {
+    result = _PASS;
+  }
+
+  void fail(String message, String stackTrace) {
+    result = _FAIL;
+    this.message = message;
+    this.stackTrace = stackTrace;
+  }
+
+  void error(String message, String stackTrace) {
+    result = _ERROR;
+    this.message = message;
+    this.stackTrace = stackTrace;
+  }
+}
+
+