int dummy = 0;
    for (int i = 0; i < reps; i++) {
      dummy += string.toUpperCase(Locale.US).length();
    }
    return dummy;
  }

  @Benchmark
  boolean equalsIgnoreCaseCharSequence(int reps) {
    // This benchmark has no concept of "noWorkToDo".
    String upperString = testString.toUpperCase();
    CharSequence testSeq = new StringBuilder(testString);

    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      dummy += string.toUpperCase(Locale.US).length();
    }
    return dummy;
  }

  @Benchmark
  boolean equalsIgnoreCaseCharSequence(int reps) {
    // This benchmark has no concept of "noWorkToDo".
    String upperString = testString.toUpperCase();
    CharSequence testSeq = new StringBuilder(testString);