test/runtime/modules/CCE_module_msg.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -21,32 +21,84 @@
  * questions.
  */
 
 /**
  * @test
- * @run main/othervm CCE_module_msg
+ * @modules java.base/jdk.internal.misc
+ * @library /test/lib ..
+ * @compile p2/c2.java
+ * @compile p1/c1.java
+ * @build sun.hotspot.WhiteBox
+ * @compile/module=java.base java/lang/reflect/ModuleHelper.java
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI CCE_module_msg
  */
 
+import java.lang.reflect.Module;
+import static jdk.test.lib.Asserts.*;
+
 // Test that the message in a runtime ClassCastException contains module info.
 public class CCE_module_msg {
 
-    public static void main(String[] args) {
-        invalidCastTest();
+    public static void main(String[] args) throws Throwable {
+        // Should not display version
+        invalidObjectToDerived();
+        // Should display version
+        invalidClassToString();
     }
 
-    public static void invalidCastTest() {
+    public static void invalidObjectToDerived() {
         java.lang.Object instance = new java.lang.Object();
         int left = 23;
         int right = 42;
         try {
             for (int i = 0; i < 1; i += 1) {
                 left = ((Derived) instance).method(left, right);
             }
             throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
         } catch (ClassCastException cce) {
             System.out.println(cce.getMessage());
-            if (!cce.getMessage().contains("java.lang.Object (in module: java.base) cannot be cast")) {
+            if (!cce.getMessage().contains("java.base/java.lang.Object cannot be cast to Derived")) {
+                throw new RuntimeException("Wrong message: " + cce.getMessage());
+            }
+        }
+    }
+
+    public static void invalidClassToString() throws Throwable {
+        Object m1, m2;
+
+        // Get the java.lang.reflect.Module object for module java.base.
+        Class jlObject = Class.forName("java.lang.Object");
+        Object jlObject_jlrM = jlObject.getModule();
+        assertNotNull(jlObject_jlrM, "jlrModule object of java.lang.Object should not be null");
+
+        // Get the class loader for AccessCheckRead and assume it's also used to
+        // load classes p1.c1 and p2.c2.
+        ClassLoader this_cldr = AccessCheckRead.class.getClassLoader();
+
+        // Define a module for p1.
+        m1 = ModuleHelper.ModuleObject("module1", this_cldr, new String[] { "p1" });
+        assertNotNull(m1, "Module should not be null");
+        ModuleHelper.DefineModule(m1, "9.0", "m1/here", new String[] { "p1" });
+        ModuleHelper.AddReadsModule(m1, jlObject_jlrM);
+
+        // Define a module for p2.
+        m2 = ModuleHelper.ModuleObject("module2", this_cldr, new String[] { "p2" });
+        assertNotNull(m2, "Module should not be null");
+        ModuleHelper.DefineModule(m2, "9.0", "m2/there", new String[] { "p2" });
+        ModuleHelper.AddReadsModule(m2, jlObject_jlrM);
+
+        try {
+            ModuleHelper.AddModuleExportsToAll(m2, "p2");
+            Object p2Obj = new p2.c2();
+            System.out.println((String)p2Obj);
+        } catch (ClassCastException cce) {
+            System.out.println(cce.getMessage());
+            if (cce.getMessage().contains("module2/p2.c2") ||
+                !(cce.getMessage().contains("module2@") &&
+                  cce.getMessage().contains("/p2.c2 cannot be cast to java.base/java.lang.String"))) {
                 throw new RuntimeException("Wrong message: " + cce.getMessage());
             }
         }
     }
 }