Split out unittest tests whose behavior differs in minified mode.

pkg/unittest/test/pretty_print_unminified_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.
+
+// This file is for pretty-print tests that rely on the names of various Dart
+// types. These tests will fail when run in minified dart2js, since the names
+// will be mangled. A version of this file that works in minified dart2js is in
+// pretty_print_minified_test.dart.
+
+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;
+}
+
+void main() {
+  group('with an object', () {
+    test('with a default [toString]', () {
+      expect(prettyPrint(new DefaultToString()),
+          equals("<Instance of 'DefaultToString'>"));
+    });
+
+    test('with a custom [toString]', () {
+      expect(prettyPrint(new CustomToString()),
+          equals('CustomToString:<string representation>'));
+    });
+
+    test('with a custom [toString] and a private name', () {
+      expect(prettyPrint(new _PrivateName()),
+          equals('?:<string representation>'));
+    });
+  });
+
+  group('with an iterable', () {
+    test("that's not a list", () {
+      expect(prettyPrint([1, 2, 3, 4].map((n) => n * 2)),
+          equals("MappedListIterable:[2, 4, 6, 8]"));
+    });
+
+    test("that's not a list and has a private name", () {
+      expect(prettyPrint(new _PrivateNameIterable()),
+          equals("?:[1, 2, 3]"));
+    });
+  });
+}