Dart SDK Spelling b, c, and d.

runtime/tests/vm/dart/random_walk_fuzzer.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.
 
 // Random-walk fuzzer for the Dart VM.
 //
 // Start with all the classes and libraries and various interesting values.
 // Repeatedly choose one as a receiver, construct a message it is likely to
 // understand, send the message, and add the result.
 //
@@ skipping 15 matching lines @@
 ];
 
 final bool trace = false;
 
 void main(List<String> args) {
   int seed;
   if (args.length == 1) {
     seed = int.parse(args[0]);
   } else {
     // Dart's built-in random number generator doesn't provide access to the
-    // seed when it is choosen by the implementation. We need to be able to
+    // seed when it is chosen by the implementation. We need to be able to
     // report this seed to make runs of the fuzzer reproducible, so we create
     // the seed ourselves.
 
     // When running on many machines in parallel, the current time alone
     // is a poor choice of seed.
     seed = 0;
     try {
       var f = new File("/dev/urandom").openSync();
       seed = (seed << 8) | f.readByteSync();
       seed = (seed << 8) | f.readByteSync();
@@ skipping 122 matching lines @@
   addInstance(double.NEGATIVE_INFINITY);
   addInstance(double.MIN_POSITIVE);
   addInstance(double.MAX_FINITE);
 
   addInstance("foo"); // ASCII string
   addInstance("blåbærgrød"); // Latin1 string
   addInstance("Îñţérñåţîöñåļîžåţîờñ"); // Unicode string
   addInstance("𝄞"); // Surrogate pairs
   addInstance("𝄞"[0]); // Surrogate pairs
   addInstance("𝄞"[1]); // Surrogate pairs
-  addInstance("\u{0}"); // Non-printing charater
-  addInstance("\u{1}"); // Non-printing charater
+  addInstance("\u{0}"); // Non-printing character
+  addInstance("\u{1}"); // Non-printing character
   addInstance("f\u{0}oo"); // Internal NUL
   addInstance("blåbæ\u{0}rgrød"); // Internal NUL
   addInstance("Îñţérñåţîö\u{0}ñåļîžåţîờñ"); // Internal NUL
   addInstance("\u{0}𝄞"); // Internal NUL
 
   for (int len = 0; len < 8; len++) {
     addInstance(fillInt(new Int8List(len)));
     addInstance(fillInt(new Int16List(len)));
     addInstance(fillInt(new Int32List(len)));
     addInstance(fillInt(new Int64List(len)));
@@ skipping 152 matching lines @@
   // Chain a bunch of moderately sized arrays, then let go of them. Using a
   // moderate size avoids our allocations going directly to a large object
   // page in old space.
   var n;
   for (int i = 0; i < 2048; i++) {
     var m = new List(512);
     m[0] = n;
     n = m;
   }
 }