Fix a small bug in the stress test

pkg/analysis_server/test/stress/replay/replay.dart

 // Copyright (c) 2015, 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.
 
 /**
  * A stress test for the analysis server.
  */
 library analysis_server.test.stress.replay.replay;
 
 import 'dart:async';
 import 'dart:io';
+import 'dart:math' as math;
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/src/dart/scanner/reader.dart';
 import 'package:analyzer/src/dart/scanner/scanner.dart';
 import 'package:analyzer/src/generated/error.dart' as error;
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/util/glob.dart';
 import 'package:args/args.dart';
@@ skipping 139 matching lines @@
     return parser;
   }
 
   /**
    * Add source edits to the given [fileEdit] based on the given [blobDiff].
    */
   void _createSourceEdits(FileEdit fileEdit, BlobDiff blobDiff) {
     LineInfo info = fileEdit.lineInfo;
     for (DiffHunk hunk in blobDiff.hunks) {
       int srcStart = info.getOffsetOfLine(hunk.srcLine);
-      int srcEnd = info.getOffsetOfLine(hunk.srcLine + hunk.removeLines.length);
+      int srcEnd = info.getOffsetOfLine(
+          math.min(hunk.srcLine + hunk.removeLines.length, info.lineCount - 1));
       String addedText = _join(hunk.addLines);
       //
       // Create the source edits.
       //
       List<int> breakOffsets = _getBreakOffsets(addedText);
       int breakCount = breakOffsets.length;
       List<SourceEdit> sourceEdits = <SourceEdit>[];
       if (breakCount == 0) {
         sourceEdits
             .add(new SourceEdit(srcStart, srcEnd - srcStart + 1, addedText));
@@ skipping 131 matching lines @@
   Future _replayChanges() async {
     //
     // Get the revision history of the repo.
     //
     LinearCommitHistory history = repository.getCommitHistory();
     statistics.commitCount = history.commitIds.length;
     LinearCommitHistoryIterator iterator = history.iterator();
     //
     // Iterate over the history, applying changes.
     //
+    int dotCount = 0;
     bool firstCheckout = true;
     ErrorMap expectedErrors = null;
     Iterable<String> changedPubspecs;
     while (iterator.moveNext()) {
       //
       // Checkout the commit on which the changes are based.
       //
       String commit = iterator.srcCommit;
       repository.checkout(commit);
       if (expectedErrors != null) {
@@ skipping 23 matching lines @@
       // Apply the changes.
       //
       CommitDelta commitDelta = iterator.next();
       commitDelta.filterDiffs(analysisRoots, fileGlobs);
       if (commitDelta.hasDiffs) {
         statistics.commitsWithChangeInRootCount++;
         _replayDiff(commitDelta);
       }
       changedPubspecs = commitDelta.filesMatching(PUBSPEC_FILE_NAME);
       stdout.write('.');
+      if (dotCount++ > 100) {
+        stdout.writeln();
+        dotCount = 0;
+      }
     }
     server.removeAllOverlays();
     stdout.writeln();
   }
 
   /**
    * Replay the changes between two commits, as represented by the given
    * [commitDelta].
    */
   void _replayDiff(CommitDelta commitDelta) {
@@ skipping 249 matching lines @@
     int seconds = milliseconds ~/ 1000;
     milliseconds -= seconds * 1000;
     int minutes = seconds ~/ 60;
     seconds -= minutes * 60;
     int hours = minutes ~/ 60;
     minutes -= hours * 60;
 
     if (hours > 0) {
       return '$hours:$minutes:$seconds.$milliseconds';
     } else if (minutes > 0) {
-      return '$minutes:$seconds.$milliseconds m';
-    } else if (seconds > 0) {
-      return '$seconds.$milliseconds s';
+      return '$minutes:$seconds.$milliseconds';
     }
-    return '$milliseconds ms';
+    return '$seconds.$milliseconds';
   }
 }