Remove Math and most uses of PrintStringWriter

pkg/analyzer/test/generated/all_the_rest.dart

 // Copyright (c) 2014, 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 code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.all_the_rest_test;
 
 import 'dart:collection';
@@ skipping 10904 matching lines @@
    * Assert that no errors were found while traversing any of the AST structures that have been
    * visited.
    */
   void assertValid() {
     while (_expectedTagsIndex < _expectedTagsInOrderVisited.length) {
       String expectedTag =
           _expectedTagsInOrderVisited[_expectedTagsIndex++]._tag;
       _errors.add("Expected to visit node with tag: ${expectedTag}");
     }
     if (!_errors.isEmpty) {
-      PrintStringWriter writer = new PrintStringWriter();
-      writer.print("Invalid XML structure:");
+      StringBuffer buffer = new StringBuffer();
+      buffer.write("Invalid XML structure:");
       for (String message in _errors) {
-        writer.newLine();
-        writer.print("   ");
-        writer.print(message);
+        buffer.writeln();
+        buffer.write("   ");
+        buffer.write(message);
       }
-      JUnitTestCase.fail(writer.toString());
+      JUnitTestCase.fail(buffer.toString());
     }
   }
   /**
    * Set the tags to be expected when visiting
    *
    * @param expectedTags the expected tags
    */
   void expectTags(List<XmlValidator_Tag> expectedTags) {
     // Flatten the hierarchy into expected order in which the tags are visited
     List<XmlValidator_Tag> expected = new List<XmlValidator_Tag>();
@@ skipping 232 matching lines @@
     } else {
       JUnitTestCase.assertNotNullMsg("script ${scriptIndex}", scriptSource);
       String actualExternalScriptName = scriptSource.shortName;
       JUnitTestCase.assertEqualsMsg(
           "script ${scriptIndex}",
           _expectedExternalScriptName,
           actualExternalScriptName);
     }
   }
 }