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

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*** 35,90 **** public class Test { // Check that all names have external formatting ('.' and not '/' in package names). // Check for parent of class loader. ! static String expectedErrorMessage1 = ! "loader \"<unnamed>\" (instance of PreemptingClassLoader, " + ! "child of \"app\" jdk.internal.loader.ClassLoaders$AppClassLoader) " + "attempted duplicate class definition for test.Foo."; // Check that all names have external formatting ('.' and not '/' in package names). // Check for name and parent of class loader. ! static String expectedErrorMessage2 = ! "loader \"DuplicateLE_Test_Loader\" (instance of PreemptingClassLoader, " + ! "child of \"app\" jdk.internal.loader.ClassLoaders$AppClassLoader) " + "attempted duplicate class definition for test.Foo."; // Check that all names have external formatting ('.' and not '/' in package names). // Check for name and parent of class loader. Type should be mentioned as 'interface'. ! static String expectedErrorMessage3 = ! "loader \"DuplicateLE_Test_Loader_IF\" (instance of PreemptingClassLoader, " + ! "child of \"app\" jdk.internal.loader.ClassLoaders$AppClassLoader) " + "attempted duplicate interface definition for test.J."; // Test that the error message is correct when a loader constraint error is // detected during vtable creation. // // In this test, during vtable creation for class Task, method "Task.m()LFoo;" // overrides "J.m()LFoo;". But, Task's class Foo and super type J's class Foo // are different. So, a LinkageError exception should be thrown because the // loader constraint check will fail. ! public static void test(String loaderName, String expectedErrorMessage, String testType) throws Exception { String[] classNames = {testType}; ClassLoader l = new PreemptingClassLoader(loaderName, classNames, false); l.loadClass(testType); try { l.loadClass(testType).newInstance(); throw new RuntimeException("Expected LinkageError exception not thrown"); } catch (LinkageError e) { String errorMsg = e.getMessage(); ! if (!errorMsg.equals(expectedErrorMessage)) { ! System.out.println("Expected: " + expectedErrorMessage + "\n" + "but got: " + errorMsg); throw new RuntimeException("Wrong LinkageError exception thrown: " + errorMsg); } System.out.println("Passed with message: " + errorMsg); } } public static void main(String args[]) throws Exception { ! test(null, expectedErrorMessage1, "test.Foo"); ! test("DuplicateLE_Test_Loader", expectedErrorMessage2, "test.Foo"); ! test("DuplicateLE_Test_Loader_IF", expectedErrorMessage3, "test.J"); } } --- 35,99 ---- public class Test { // Check that all names have external formatting ('.' and not '/' in package names). // Check for parent of class loader. ! // Break each expectedErrorMessage into 2 parts due to the class loader name containing ! // the unique @<id> identity hash which cannot be compared against. ! static String expectedErrorMessage1_part1 = "loader PreemptingClassLoader @"; ! static String expectedErrorMessage1_part2 = ! " (instance of PreemptingClassLoader, " + ! "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) " + "attempted duplicate class definition for test.Foo."; + // Check that all names have external formatting ('.' and not '/' in package names). // Check for name and parent of class loader. ! static String expectedErrorMessage2_part1 = "loader 'DuplicateLE_Test_Loader' @"; ! static String expectedErrorMessage2_part2 = ! " (instance of PreemptingClassLoader, " + ! "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) " + "attempted duplicate class definition for test.Foo."; + // Check that all names have external formatting ('.' and not '/' in package names). // Check for name and parent of class loader. Type should be mentioned as 'interface'. ! static String expectedErrorMessage3_part1 = "loader 'DuplicateLE_Test_Loader_IF' @"; ! static String expectedErrorMessage3_part2 = ! " (instance of PreemptingClassLoader, " + ! "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) " + "attempted duplicate interface definition for test.J."; // Test that the error message is correct when a loader constraint error is // detected during vtable creation. // // In this test, during vtable creation for class Task, method "Task.m()LFoo;" // overrides "J.m()LFoo;". But, Task's class Foo and super type J's class Foo // are different. 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, String testType) throws Exception { String[] classNames = {testType}; ClassLoader l = new PreemptingClassLoader(loaderName, classNames, false); l.loadClass(testType); try { l.loadClass(testType).newInstance(); throw new RuntimeException("Expected LinkageError exception not thrown"); } catch (LinkageError e) { String errorMsg = e.getMessage(); ! if (!errorMsg.contains(expectedErrorMessage_part1) || ! !errorMsg.contains(expectedErrorMessage_part2)) { ! 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.Foo"); ! test("DuplicateLE_Test_Loader", expectedErrorMessage2_part1, expectedErrorMessage2_part2, "test.Foo"); ! test("DuplicateLE_Test_Loader_IF", expectedErrorMessage3_part1, expectedErrorMessage3_part2, "test.J"); } }
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