Split out unittest tests whose behavior differs in minified mode.

pkg/unittest/test/pretty_print_minified_test.dart

Index: pkg/unittest/test/pretty_print_minified_test.dart
diff --git a/pkg/unittest/test/pretty_print_minified_test.dart b/pkg/unittest/test/pretty_print_minified_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..16c5cd61ccf5fec5afad9bb197ba120cbf80f78b
--- /dev/null
+++ b/pkg/unittest/test/pretty_print_minified_test.dart
@@ -0,0 +1,61 @@
+// 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.
+
+// This file is for pretty-print tests that rely on the names of various Dart
+// types. These tests normally fail when run in minified dart2js, since the
+// names will be mangled. This version of the file is modified to expect
+// minified names.
+
+import 'dart:collection';
+
+import 'package:unittest/src/pretty_print.dart';
+import 'package:unittest/unittest.dart';
+
+class DefaultToString {}
+
+class CustomToString {
+  String toString() => "string representation";
+}
+
+class _PrivateName {
+  String toString() => "string representation";
+}
+
+class _PrivateNameIterable extends IterableMixin {
+  Iterator get iterator => [1, 2, 3].iterator;
+}
+
+// A regexp fragment matching a minified name.
+final _minifiedName = r"[A-Za-z0-9]{1,3}";
+
+void main() {
+  group('with an object', () {
+    test('with a default [toString]', () {
+      expect(prettyPrint(new DefaultToString()),
+          matches(r"<Instance of '" + _minifiedName + r"'>"));
+    });
+
+    test('with a custom [toString]', () {
+      expect(prettyPrint(new CustomToString()),
+          matches(_minifiedName + r':<string representation>'));
+    });
+
+    test('with a custom [toString] and a private name', () {
+      expect(prettyPrint(new _PrivateName()),
+          matches(_minifiedName + r':<string representation>'));
+    });
+  });
+
+  group('with an iterable', () {
+    test("that's not a list", () {
+      expect(prettyPrint([1, 2, 3, 4].map((n) => n * 2)),
+          matches(_minifiedName + r":\[2, 4, 6, 8\]"));
+    });
+
+    test("that's not a list and has a private name", () {
+      expect(prettyPrint(new _PrivateNameIterable()),
+          matches(_minifiedName + r":\[1, 2, 3\]"));
+    });
+  });
+}