Dart SDK Spelling b, c, and d.

pkg/dev_compiler/test/codegen/BenchmarkBase.dart

 // Copyright 2011 Google Inc. All Rights Reserved.
 
 library BenchmarkBase;
 
 class Expect {
   static void equals(var expected, var actual) {
     if (expected != actual) {
       throw "Values not equal: $expected vs $actual";
     }
   }
@@ skipping 30 matching lines @@
   // Exercices the benchmark. By default invokes [run] 10 times.
   void exercise() {
     for (int i = 0; i < 10; i++) {
       run();
     }
   }
 
   // Not measured setup code executed prior to the benchmark runs.
   void setup() {}
 
-  // Not measures teardown code executed after the benchark runs.
+  // Not measures teardown code executed after the benchmark runs.
   void teardown() {}
 
   // Measures the score for this benchmark by executing it repeately until
   // time minimum has been reached.
   static double measureFor(Function f, int timeMinimum) {
     int time = 0;
     int iter = 0;
     Stopwatch watch = new Stopwatch();
     watch.start();
     int elapsed = 0;
@@ skipping 18 matching lines @@
     }, 2000);
     teardown();
     return result;
   }
 
   void report() {
     double score = measure();
     print("$name(RunTime): $score us.");
   }
 }