67             System.out.println(cce.getMessage());
  68             if (!cce.getMessage().contains("java.base/java.lang.Object cannot be cast to Derived")) {
  69                 throw new RuntimeException("Wrong message: " + cce.getMessage());
  70             }
  71         }
  72     }
  73 
  74     public static void invalidClassToString() throws Throwable {
  75         // Get the java.lang.Module object for module java.base.
  76         Class jlObject = Class.forName("java.lang.Object");
  77         Object jlObject_jlM = jlObject.getModule();
  78         assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
  79 
  80         // Get the class loader for CCE_module_msg and assume it's also used to
  81         // load classes p1.c1 and p2.c2.
  82         ClassLoader this_cldr = CCE_module_msg.class.getClassLoader();
  83 
  84         // Define a module for p2.
  85         Object m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
  86         assertNotNull(m2x, "Module should not be null");
  87         ModuleHelper.DefineModule(m2x, "9.0", "m2x/there", new String[] { "p2" });
  88         ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
  89 
  90         try {
  91             ModuleHelper.AddModuleExportsToAll(m2x, "p2");
  92             Object p2Obj = new p2.c2();
  93             System.out.println((String)p2Obj);
  94             throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
  95         } catch (ClassCastException cce) {
  96             String exception = cce.getMessage();
  97             System.out.println(exception);
  98             if (exception.contains("module_two/p2.c2") ||
  99                 !(exception.contains("module_two@") &&
 100                   exception.contains("/p2.c2 cannot be cast to java.base/java.lang.String"))) {
 101                 throw new RuntimeException("Wrong message: " + exception);
 102             }
 103         }
 104     }
 105 
 106     public static void invalidClassToStringCustomLoader() throws Throwable {
 107         // Get the java.lang.Module object for module java.base.

  67             System.out.println(cce.getMessage());
  68             if (!cce.getMessage().contains("java.base/java.lang.Object cannot be cast to Derived")) {
  69                 throw new RuntimeException("Wrong message: " + cce.getMessage());
  70             }
  71         }
  72     }
  73 
  74     public static void invalidClassToString() throws Throwable {
  75         // Get the java.lang.Module object for module java.base.
  76         Class jlObject = Class.forName("java.lang.Object");
  77         Object jlObject_jlM = jlObject.getModule();
  78         assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
  79 
  80         // Get the class loader for CCE_module_msg and assume it's also used to
  81         // load classes p1.c1 and p2.c2.
  82         ClassLoader this_cldr = CCE_module_msg.class.getClassLoader();
  83 
  84         // Define a module for p2.
  85         Object m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
  86         assertNotNull(m2x, "Module should not be null");
  87         ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" });
  88         ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
  89 
  90         try {
  91             ModuleHelper.AddModuleExportsToAll(m2x, "p2");
  92             Object p2Obj = new p2.c2();
  93             System.out.println((String)p2Obj);
  94             throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
  95         } catch (ClassCastException cce) {
  96             String exception = cce.getMessage();
  97             System.out.println(exception);
  98             if (exception.contains("module_two/p2.c2") ||
  99                 !(exception.contains("module_two@") &&
 100                   exception.contains("/p2.c2 cannot be cast to java.base/java.lang.String"))) {
 101                 throw new RuntimeException("Wrong message: " + exception);
 102             }
 103         }
 104     }
 105 
 106     public static void invalidClassToStringCustomLoader() throws Throwable {
 107         // Get the java.lang.Module object for module java.base.