Fix bug in collector.

test/cctest/test-utils.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 177 matching lines @@
   int offset = 0;
   for (int loop = 0; loop < kLoops; loop++) {
     int seq_length = loop % kMaxSequenceSize;
     for (int j = 0; j < seq_length; j++) {
       CHECK_EQ(j, result[offset]);
       offset++;
     }
   }
   result.Dispose();
 }
+
+
+TEST(SequenceCollectorRegression) {
+  SequenceCollector<char> collector(16);
+  collector.StartSequence();
+  collector.Add('0');
+  collector.AddBlock(
+    i::Vector<const char>("12345678901234567890123456789012", 32));

[Rico, 2011/09/08 13:42:37]

4 indent?

[Lasse Reichstein, 2011/09/08 13:43:43]

Absolutely.

+  i::Vector<char> seq = collector.EndSequence();
+  CHECK_EQ(0, strncmp("0123456789012345678901234567890123",
+                      seq.start(), seq.length()));
+}