src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeArrayBuffer.java

*** 24,34 ****
--- 24,36 ----
   */
  
  package jdk.nashorn.internal.objects;
  
  import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
+ 
  import java.nio.ByteBuffer;
+ 
  import jdk.nashorn.internal.objects.annotations.Attribute;
  import jdk.nashorn.internal.objects.annotations.Constructor;
  import jdk.nashorn.internal.objects.annotations.Function;
  import jdk.nashorn.internal.objects.annotations.Getter;
  import jdk.nashorn.internal.objects.annotations.ScriptClass;
*** 99,109 ****
          if (!newObj) {
              throw typeError("constructor.requires.new", "ArrayBuffer");
          }
  
          if (args.length == 0) {
!             throw new RuntimeException("missing length argument");
          }
  
          return new NativeArrayBuffer(JSType.toInt32(args[0]));
      }
  
--- 101,113 ----
          if (!newObj) {
              throw typeError("constructor.requires.new", "ArrayBuffer");
          }
  
          if (args.length == 0) {
!             //For ES6 rev28+ we should throw a TypeError here. None of the other runtimes
!             //currently do it, though, so I have chosen to not implement that for now.
!             return new NativeArrayBuffer(0);
          }
  
          return new NativeArrayBuffer(JSType.toInt32(args[0]));
      }