33 * @run main/othervm Test |
33 * @run main/othervm Test |
34 */ |
34 */ |
35 |
35 |
36 public class Test { |
36 public class Test { |
37 |
37 |
38 static String expectedErrorMessage1 = |
38 // Break expected error messages into 2 parts since the loader name includes its identity |
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39 // hash which is unique and can't be compared against. |
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40 static String expectedErrorMessage1_part1 = |
39 "loader constraint violation in interface itable initialization for class test.C: " + |
41 "loader constraint violation in interface itable initialization for class test.C: " + |
40 "when selecting method test.I.m()Ltest/Foo; " + |
42 "when selecting method test.I.m()Ltest/Foo; " + |
41 "the class loader \"<unnamed>\" (instance of PreemptingClassLoader, " + |
43 "the class loader PreemptingClassLoader @"; |
42 "child of \"app\" jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
44 static String expectedErrorMessage1_part2 = |
43 "for super interface test.I, and the class loader \"app\" " + |
45 " (instance of PreemptingClassLoader, " + |
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46 "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
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47 "for super interface test.I, and the class loader 'app' " + |
44 "(instance of jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
48 "(instance of jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
45 "of the selected method's type, test.J have different Class objects " + |
49 "of the selected method's type, test.J have different Class objects " + |
46 "for the type test.Foo used in the signature"; |
50 "for the type test.Foo used in the signature"; |
47 |
51 |
48 static String expectedErrorMessage2 = |
52 static String expectedErrorMessage2_part1 = |
49 "loader constraint violation in interface itable initialization for class test.C: " + |
53 "loader constraint violation in interface itable initialization for class test.C: " + |
50 "when selecting method test.I.m()Ltest/Foo; " + |
54 "when selecting method test.I.m()Ltest/Foo; " + |
51 "the class loader \"ItableLdrCnstrnt_Test_Loader\" (instance of PreemptingClassLoader, " + |
55 "the class loader 'ItableLdrCnstrnt_Test_Loader' @"; |
52 "child of \"app\" jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
56 static String expectedErrorMessage2_part2 = |
53 "for super interface test.I, and the class loader \"app\" " + |
57 " (instance of PreemptingClassLoader, " + |
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58 "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
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59 "for super interface test.I, and the class loader 'app' " + |
54 "(instance of jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
60 "(instance of jdk.internal.loader.ClassLoaders$AppClassLoader) " + |
55 "of the selected method's type, test.J have different Class objects " + |
61 "of the selected method's type, test.J have different Class objects " + |
56 "for the type test.Foo used in the signature"; |
62 "for the type test.Foo used in the signature"; |
57 |
63 |
58 // Test that the error message is correct when a loader constraint error is |
64 // Test that the error message is correct when a loader constraint error is |
61 // In this test, during itable creation for class C, method "m()LFoo;" for |
67 // In this test, during itable creation for class C, method "m()LFoo;" for |
62 // C's super interface I has a different class Foo than the selected method's |
68 // C's super interface I has a different class Foo than the selected method's |
63 // type super interface J. The selected method is not an overpass method nor |
69 // type super interface J. The selected method is not an overpass method nor |
64 // otherwise excluded from loader constraint checking. So, a LinkageError |
70 // otherwise excluded from loader constraint checking. So, a LinkageError |
65 // exception should be thrown because the loader constraint check will fail. |
71 // exception should be thrown because the loader constraint check will fail. |
66 public static void test(String loaderName, String expectedErrorMessage) throws Exception { |
72 public static void test(String loaderName, |
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73 String expectedErrorMessage_part1, |
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74 String expectedErrorMessage_part2) throws Exception { |
67 Class<?> c = test.Foo.class; // Forces standard class loader to load Foo. |
75 Class<?> c = test.Foo.class; // Forces standard class loader to load Foo. |
68 String[] classNames = {"test.Task", "test.Foo", "test.C", "test.I"}; |
76 String[] classNames = {"test.Task", "test.Foo", "test.C", "test.I"}; |
69 ClassLoader l = new PreemptingClassLoader(loaderName, classNames); |
77 ClassLoader l = new PreemptingClassLoader(loaderName, classNames); |
70 Runnable r = (Runnable) l.loadClass("test.Task").newInstance(); |
78 Runnable r = (Runnable) l.loadClass("test.Task").newInstance(); |
71 try { |
79 try { |
72 r.run(); |
80 r.run(); |
73 throw new RuntimeException("Expected LinkageError exception not thrown"); |
81 throw new RuntimeException("Expected LinkageError exception not thrown"); |
74 } catch (LinkageError e) { |
82 } catch (LinkageError e) { |
75 String errorMsg = e.getMessage(); |
83 String errorMsg = e.getMessage(); |
76 if (!errorMsg.equals(expectedErrorMessage)) { |
84 if (!errorMsg.contains(expectedErrorMessage_part1) || |
77 System.out.println("Expected: " + expectedErrorMessage + "\n" + |
85 !errorMsg.contains(expectedErrorMessage_part2)) { |
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86 System.out.println("Expected: " + expectedErrorMessage_part1 + "<id>" + expectedErrorMessage_part2 + "\n" + |
78 "but got: " + errorMsg); |
87 "but got: " + errorMsg); |
79 throw new RuntimeException("Wrong LinkageError exception thrown: " + errorMsg); |
88 throw new RuntimeException("Wrong LinkageError exception thrown: " + errorMsg); |
80 } |
89 } |
81 System.out.println("Passed with message: " + errorMsg); |
90 System.out.println("Passed with message: " + errorMsg); |
82 } |
91 } |
83 } |
92 } |
84 |
93 |
85 public static void main(String... args) throws Exception { |
94 public static void main(String... args) throws Exception { |
86 test(null, expectedErrorMessage1); |
95 test(null, expectedErrorMessage1_part1, expectedErrorMessage1_part2); |
87 test("ItableLdrCnstrnt_Test_Loader", expectedErrorMessage2); |
96 test("ItableLdrCnstrnt_Test_Loader", expectedErrorMessage2_part1, expectedErrorMessage2_part2); |
88 } |
97 } |
89 } |
98 } |