Reapply "Make Map constructors return LinkedHashMap."

pkg/csslib/test/var_test.dart

 // Copyright (c) 2013, 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 var_test;
 
 import 'dart:utf';
 import 'package:unittest/unittest.dart';
 import 'package:csslib/parser.dart';
 import 'package:csslib/visitor.dart';
@@ skipping 189 matching lines @@
 
 body {
   background: var(a) var(image) no-repeat right top;
 }
 
 div {
   background: var(color-background) url('img_tree.png') no-repeat right top;
 }
 
 .test-2 {
-  background: var(color-background) var(image-2, url('img_1.png')) 
+  background: var(color-background) var(image-2, url('img_1.png'))
               no-repeat right top;
 }
 
 .test-3 {
   background: var(color-background) var(image-2) no-repeat right top;
 }
 
 .test-4 {
   background: #ffff00 var(image) no-repeat right top;
 }
@@ skipping 94 matching lines @@
 }
 .test-2 {
   color: var(one);
 }''';
 
   var stylesheet = compileCss(input, errors: errors,
       opts: ['--no-colors', '--warnings_as_errors', 'memory']);
 
   expect(stylesheet != null, true);
   expect(errors.length, 8, reason: errors.toString());
-  expect(errors[0].toString(),
+  int testBitMap = 0;
+  var errorStrings = [
       'error :14:3: var cycle detected var-six\n'
       '  var-six: var(four);\n'
-      '  ^^^^^^^^^^^^^^^^^^');
-  expect(errors[1].toString(),
+      '  ^^^^^^^^^^^^^^^^^^',
       'error :18:3: var cycle detected var-def-3\n'
       '  var-def-3: var(def-2);\n'
-      '  ^^^^^^^^^^^^^^^^^^^^^');
-  expect(errors[2].toString(),
+      '  ^^^^^^^^^^^^^^^^^^^^^',
       'error :10:3: var cycle detected var-two\n'
       '  var-two: var(one);\n'
-      '  ^^^^^^^^^^^^^^^^^');
-  expect(errors[3].toString(),
+      '  ^^^^^^^^^^^^^^^^^',
       'error :17:3: var cycle detected var-def-2\n'
       '  var-def-2: var(def-3);\n'
-      '  ^^^^^^^^^^^^^^^^^^^^^');
-  expect(errors[4].toString(),
+      '  ^^^^^^^^^^^^^^^^^^^^^',
       'error :16:3: var cycle detected var-def-1\n'
       '  var-def-1: var(def-2);\n'
-      '  ^^^^^^^^^^^^^^^^^^^^^');
-  expect(errors[5].toString(),
+      '  ^^^^^^^^^^^^^^^^^^^^^',
       'error :13:3: var cycle detected var-five\n'
       '  var-five: var(six);\n'
-      '  ^^^^^^^^^^^^^^^^^^');
-  expect(errors[6].toString(),
+      '  ^^^^^^^^^^^^^^^^^^',
       'error :9:3: var cycle detected var-one\n'
       '  var-one: var(two);\n'
-      '  ^^^^^^^^^^^^^^^^^');
-  expect(errors[7].toString(),
+      '  ^^^^^^^^^^^^^^^^^',
       'error :12:3: var cycle detected var-four\n'
       '  var-four: var(five);\n'
-      '  ^^^^^^^^^^^^^^^^^^^');
+      '  ^^^^^^^^^^^^^^^^^^^'
+  ];
+  outer: for (var error in errors) {
+    var errorString = error.toString();
+    for (int i = 0; i < 8; i++) {
+      if (errorString == errorStrings[i]) {
+        testBitMap |= 1 << i;
+        continue outer;
+      }
+    }
+    fail("Unexpected error string: $errorString");
+  }
+  expect(testBitMap, equals((1 << 8) - 1));
   expect(prettyPrint(stylesheet), generated);
 }
 
 parserVar() {
   final errors = [];
   final input = ''':root {
   var-color-background: red;
   var-color-foreground: blue;
 
   var-a: var(b);
@@ skipping 253 matching lines @@
 
 main() {
   test('Simple var', simpleVar);
   test('Expressions var', expressionsVar);
   test('Default value in var()', defaultVar);
   test('CSS Parser only var', parserVar);
   test('Var syntax', testVar);
   test('Cycles var', cyclesVar);
   test('Less syntax', testLess);
 }