public virtual void TestExceptionHandling()
{
InvocationHandler rtExcHandler = new _InvocationHandler_69();
DBIterator dbiter = (DBIterator)Proxy.NewProxyInstance(typeof(DBIterator).GetClassLoader
(), new Type[] { typeof(DBIterator) }, rtExcHandler);
LeveldbIterator iter = new LeveldbIterator(dbiter);
foreach (TestLeveldbIterator.CallInfo ci in RtexcMethods)
{
MethodInfo method = iter.GetType().GetMethod(ci.methodName, ci.argTypes);
NUnit.Framework.Assert.IsNotNull("unable to locate method " + ci.methodName, method
);
try
{
method.Invoke(iter, ci.args);
NUnit.Framework.Assert.Fail("operation should have thrown");
}
catch (TargetInvocationException ite)
{
Exception exc = ite.InnerException;
NUnit.Framework.Assert.IsTrue("Method " + ci.methodName + " threw non-DBException: "
+ exc, exc is DBException);
NUnit.Framework.Assert.IsFalse("Method " + ci.methodName + " double-wrapped DBException"
, exc.InnerException is DBException);
}
}
// check close() throws IOException
try
{
iter.Close();
NUnit.Framework.Assert.Fail("operation shoul have thrown");
}
catch (IOException)
{
}
}
/// <summary>Create an iterator for the specified database</summary>
public LeveldbIterator(DB db, ReadOptions options)
{
iter = db.Iterator(options);
}
/// <summary>Create an iterator using the specified underlying DBIterator</summary>
public LeveldbIterator(DBIterator iter)
{
this.iter = iter;
}
/// <summary>Create an iterator for the specified database</summary>
public LeveldbIterator(DB db)
{
iter = db.GetEnumerator();
}
