bug409702test.java

這是一個javascript 的 interpreter是了解 web browser的好材料

/**
 * 
 */
package org.mozilla.javascript.tests;

import junit.framework.TestCase;

import org.mozilla.javascript.*;

/**
 * See https://bugzilla.mozilla.org/show_bug.cgi?id=409702
 * @author Norris Boyd
 */
public class Bug409702Test extends TestCase {
  
    public static abstract class Test {
        public Test() {
        }

        public abstract void a();

        public abstract int b();

        public static abstract class Subclass extends Test {

            @Override
            public final void a() {
            }
        }
    }
  
  public void testAdapter() {
      final int value = 12;
      String source = 
          "var instance = " +
          "  new JavaAdapter(" + getClass().getName() + ".Test.Subclass," +
          "{ b: function () { return " + value + "; } });" +
          "instance.b();";

      Context cx = ContextFactory.getGlobal().enterContext();
      try {
          Scriptable scope = cx.initStandardObjects();
          Object result = cx.evaluateString(scope, source, "source", 1, null);
          assertEquals(new Integer(value), result);
      } finally {
          Context.exit();
      }
  }  
}