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test/hotspot/jtreg/runtime/LoaderConstraints/itableLdrConstraint/Test.java

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@@ -33,35 +33,29 @@
  * @run main/othervm Test
  */
 
 public class Test {
 
-    // Break expected error messages into 2 parts since the loader name includes its identity
+    // Break expected error messages into 3 parts since the loader name includes its identity
     // hash which is unique and can't be compared against.
-    static String expectedErrorMessage1_part1 =
-        "loader constraint violation in interface itable initialization for class test.C: " +
-        "when selecting method test.I.m()Ltest/Foo; " +
-        "the class loader PreemptingClassLoader @";
-    static String expectedErrorMessage1_part2 =
-        " (instance of PreemptingClassLoader, " +
-        "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) " +
-        "for super interface test.I, and the class loader 'app' " +
-        "(instance of jdk.internal.loader.ClassLoaders$AppClassLoader) " +
-        "of the selected method's type, test.J have different Class objects " +
-        "for the type test.Foo used in the signature";
+    static String expectedErrorMessage1_part1 = "loader constraint violation in interface itable initialization for " +
+                                                "class test.C: when selecting method test.I.m()Ltest/Foo; the class loader " +
+                                                "PreemptingClassLoader @";
+    static String expectedErrorMessage1_part2 = " for super interface test.I, and the class loader 'app' of the " +
+                                                "selected method's type, test.J have different Class objects for the " +
+                                                "type test.Foo used in the signature (test.I is in unnamed module of loader " +
+                                                "PreemptingClassLoader @";
+    static String expectedErrorMessage1_part3 = ", parent loader 'app'; test.J is in unnamed module of loader 'app')";
 
-    static String expectedErrorMessage2_part1 =
-        "loader constraint violation in interface itable initialization for class test.C: " +
-        "when selecting method test.I.m()Ltest/Foo; " +
-        "the class loader 'ItableLdrCnstrnt_Test_Loader' @";
-    static String expectedErrorMessage2_part2 =
-        " (instance of PreemptingClassLoader, " +
-        "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) " +
-        "for super interface test.I, and the class loader 'app' " +
-        "(instance of jdk.internal.loader.ClassLoaders$AppClassLoader) " +
-        "of the selected method's type, test.J have different Class objects " +
-        "for the type test.Foo used in the signature";
+    static String expectedErrorMessage2_part1 = "loader constraint violation in interface itable initialization for " +
+                                                "class test.C: when selecting method test.I.m()Ltest/Foo; the class loader " +
+                                                "'ItableLdrCnstrnt_Test_Loader' @";
+    static String expectedErrorMessage2_part2 = " for super interface test.I, and the class loader 'app' of the " +
+                                                "selected method's type, test.J have different Class objects for the " +
+                                                "type test.Foo used in the signature (test.I is in unnamed module of loader " +
+                                                "'ItableLdrCnstrnt_Test_Loader' @";
+    static String expectedErrorMessage2_part3 = ", parent loader 'app'; test.J is in unnamed module of loader 'app')";
 
     // Test that the error message is correct when a loader constraint error is
     // detected during itable creation.
     //
     // In this test, during itable creation for class C, method "m()LFoo;" for

@@ -69,30 +63,32 @@
     // type super interface J.  The selected method is not an overpass method nor
     // otherwise excluded from loader constraint checking.  So, a LinkageError
     // exception should be thrown because the loader constraint check will fail.
     public static void test(String loaderName,
                             String expectedErrorMessage_part1,
-                            String expectedErrorMessage_part2) throws Exception {
+                            String expectedErrorMessage_part2,
+                            String expectedErrorMessage_part3) throws Exception {
         Class<?> c = test.Foo.class; // Forces standard class loader to load Foo.
         String[] classNames = {"test.Task", "test.Foo", "test.C", "test.I"};
         ClassLoader l = new PreemptingClassLoader(loaderName, classNames);
         Runnable r = (Runnable) l.loadClass("test.Task").newInstance();
         try {
             r.run();
             throw new RuntimeException("Expected LinkageError exception not thrown");
         } catch (LinkageError e) {
             String errorMsg = e.getMessage();
             if (!errorMsg.contains(expectedErrorMessage_part1) ||
-                !errorMsg.contains(expectedErrorMessage_part2)) {
+                !errorMsg.contains(expectedErrorMessage_part2) ||
+                !errorMsg.contains(expectedErrorMessage_part3)) {
                 System.out.println("Expected: " + expectedErrorMessage_part1 + "<id>" + expectedErrorMessage_part2 + "\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong LinkageError exception thrown: " + errorMsg);
             }
             System.out.println("Passed with message: " + errorMsg);
         }
     }
 
     public static void main(String... args) throws Exception {
-        test(null, expectedErrorMessage1_part1, expectedErrorMessage1_part2);
-        test("ItableLdrCnstrnt_Test_Loader", expectedErrorMessage2_part1, expectedErrorMessage2_part2);
+        test(null, expectedErrorMessage1_part1, expectedErrorMessage1_part2, expectedErrorMessage1_part3);
+        test("ItableLdrCnstrnt_Test_Loader", expectedErrorMessage2_part1, expectedErrorMessage2_part2, expectedErrorMessage2_part3);
     }
 }
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