### Question:
ClassType implements ArgumentType<Class<?>> { public String toText(Class<?> value) { if (value == null) { return ""; } return value.getName(); }  Class<?> toObject(String value); String toText(Class<?> value);  }### Answer:
@Test public void testToText() { assertEquals( "org.seasar.extension.jdbc.gen.internal.argtype.ClassTypeTest$Aaa", classType.toText(Aaa.class)); }