Make the solver deterministic (again).

sdk/lib/_internal/pub/test/transcript_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 version_test;
+
+import 'package:unittest/unittest.dart';
+import 'test_pub.dart';
+import '../lib/src/transcript.dart';
+
+main() {
+  initConfig();
+
+  test('forEach', () {
+    var transcript = new Transcript<String>(4);
+    forEachToString() {
+      var result = "";
+      transcript.forEach((entry) => result += entry, (n) => result += "[$n]");
+      return result;
+    }
+
+    expect(forEachToString(), equals(""));
+    transcript.add("a");
+    expect(forEachToString(), equals("a"));
+    transcript.add("b");
+    expect(forEachToString(), equals("ab"));
+    transcript.add("c");
+    expect(forEachToString(), equals("abc"));
+    transcript.add("d");
+    expect(forEachToString(), equals("abcd"));
+    transcript.add("e");
+    expect(forEachToString(), equals("ab[1]de"));
+    transcript.add("f");
+    expect(forEachToString(), equals("ab[2]ef"));
+  });
+}

[nweiz, 2013/12/11 06:53:03]

Add a test where it doesn't discard entries as well.

[Bob Nystrom, 2013/12/11 17:40:01]

Done.