| /* |
| * Copyright (c) 2003, 2015, 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. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 4421040 |
| * @summary JPDA: Add support for JSR-014 Generics |
| * @author jjh |
| * |
| * @run build TestScaffold VMConnection TargetListener TargetAdapter |
| * @run compile -g GenericsTest.java |
| * @run driver GenericsTest |
| */ |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.util.*; |
| |
| /********** target program **********/ |
| |
| class GenericsTarg { |
| static Gen1<String> genField = new Gen1<String>();; |
| static Sub1 sub1Field = new Sub1(); |
| |
| String[] strArray = null; |
| int intField = 0; |
| Object objField; |
| public static void main(String[] args){ |
| //genField.print(); |
| System.out.println("Goodbye from GenericsTarg!"); |
| } |
| } |
| class Gen1<tt> { |
| tt field1; |
| Gen1() { |
| System.out.println("Gen1<tt> ctor called"); |
| } |
| tt method1(tt p1) { |
| Gen1<String> xxx = null; |
| System.out.println("method1: param is " + p1); |
| return p1; |
| } |
| String method2() { |
| String str = "This local variable is not generic"; |
| return str; |
| } |
| } |
| |
| class Sub1 extends Gen1<String> { |
| String method1(String p1) { |
| System.out.println("method1 has been overridden: param is " + p1); |
| return "hi"; |
| } |
| } |
| |
| /********** test program **********/ |
| |
| public class GenericsTest extends TestScaffold { |
| ReferenceType targetClass; |
| ThreadReference mainThread; |
| static boolean useOld; |
| |
| GenericsTest (String args[]) { |
| super(args); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| /* |
| * The 1.5 FE must be able to talk to a 1.4 BE, ie, JDWP version <= 1.4. |
| * This is hard to test since this test file must be compiled with |
| * -source 1.5 which will cause its class file to be version 49 which |
| * won't run on a pre 1.5 JDK. We can simulate this though |
| * by passing |
| * -xjdk <pathname> |
| * to this test which causes the debuggee to be run on that JDK. |
| * This should be a version of 1.5 that accepts classfile version 49, |
| * but which still contains the 1.4 version of JDWP. |
| * This trick verifies that the calls to genericSignature() methods |
| * in the test do not cause the generic JDWP commands to be issued. |
| * The value to use for this is currently: |
| * /java/re/jdk/1.5/promoted/all/b17/binaries/solaris-sparc |
| */ |
| if (args.length > 1 && args[0].equals("-xjdk")) { |
| System.setProperty("java.home", args[1]); |
| useOld = true; |
| |
| // Delete this arg |
| String[] args1 = new String[args.length - 2]; |
| for (int ii = 0; ii < args.length -2; ii++) { |
| args1[ii] = args[ii + 2]; |
| } |
| args = args1; |
| } |
| |
| new GenericsTest(args).startTests(); |
| } |
| |
| /********** test core **********/ |
| |
| protected void runTests() throws Exception { |
| /* |
| * Get to the top of main() |
| * to determine targetClass and mainThread |
| */ |
| BreakpointEvent bpe = startToMain("GenericsTarg"); |
| targetClass = bpe.location().declaringType(); |
| { |
| /* |
| * Prove that arrays aren't broken and that |
| * null is returned if there is no generic signature |
| */ |
| Field strArray = targetClass.fieldByName("strArray"); |
| ReferenceType fieldType = (ReferenceType)(strArray.type()); |
| String genSig = fieldType.genericSignature(); |
| System.out.println("strArray name = " + strArray); |
| System.out.println(" type = " + fieldType); |
| System.out.println(" sig = " + fieldType.signature()); |
| System.out.println(" genSig = " + genSig); |
| if (!useOld && genSig != null) { |
| failure("FAILED: Expected generic signature = null for " |
| + fieldType.name() + ", received: " + genSig); |
| } |
| } |
| { |
| // prove that primitives aren't broken. |
| Field intField = targetClass.fieldByName("intField"); |
| Type fieldType = (Type)(intField.type()); |
| System.out.println("intField name = " + intField); |
| System.out.println(" type = " + fieldType); |
| System.out.println(" sig = " + fieldType.signature()); |
| } |
| |
| Field genField = targetClass.fieldByName("genField"); |
| ReferenceType gen1Class = (ReferenceType)(genField.type()); |
| String genSig; |
| String expected; |
| { |
| // Verify genericSignature for a class |
| expected = "<tt:Ljava/lang/Object;>Ljava/lang/Object;"; |
| genSig = gen1Class.genericSignature(); |
| System.out.println("genField name = " + genField); |
| System.out.println(" type = " + gen1Class); |
| System.out.println(" sig = " + gen1Class.signature()); |
| System.out.println(" genSig = " + genSig); |
| if (!useOld && !expected.equals(genSig)) { |
| failure("FAILED: Expected generic signature for gen1: " + |
| expected + ", received: " + genSig); |
| } |
| } |
| { |
| // Verify genericSignature() for a field |
| List genFields = gen1Class.fields(); |
| Field field1 = (Field)genFields.get(0); |
| // there is only one field |
| expected = "Ttt;"; |
| genSig = field1.genericSignature(); |
| System.out.println("field1 name = " + field1); |
| System.out.println(" type = " + gen1Class.signature()); |
| System.out.println(" sig = " + field1.signature()); |
| System.out.println(" gen sig = " + genSig); |
| if (!useOld && !expected.equals(genSig)) { |
| failure("FAILED: Expected generic signature for field1: " + |
| expected + ", received: " + genSig); |
| } |
| } |
| { |
| // Verify genericSignature() for a method |
| List genMethods = gen1Class.methodsByName("method1"); |
| // There is only uno |
| Method method1 = (Method)genMethods.get(0); |
| expected = "(Ttt;)Ttt;"; |
| genSig = method1.genericSignature(); |
| System.out.println("method1 name = " + method1); |
| System.out.println(" type = " + gen1Class.signature()); |
| System.out.println(" sig = " + method1.signature()); |
| System.out.println(" gen sig = " + genSig); |
| System.out.println(" bridge = " + method1.isBridge()); |
| if (!useOld && !expected.equals(genSig)) { |
| failure("FAILED: Expected generic signature for method1: " + |
| expected + ", received: " + genSig); |
| } |
| |
| // Verify this is not a bridge method |
| if (method1.isBridge()) { |
| failure("FAILED: Expected gen1.method1 to not be a bridge" |
| + " method but it is"); |
| } |
| |
| // Verify genericSignature for a local var |
| List localVars = method1.variables(); |
| String[] expectedGenSigs = { "Ttt", "Gen1<String>" }; |
| for ( int ii = 0 ; ii < localVars.size(); ii++) { |
| expected = expectedGenSigs[ii]; |
| LocalVariable pp = (LocalVariable)localVars.get(ii); |
| genSig = pp.genericSignature(); |
| System.out.println(" local var " + ii + " = " + pp.name()); |
| System.out.println(" sig = " + pp.signature()); |
| System.out.println(" gen sig = " + genSig); |
| //jjh Uncomment when generics for local vars are available from |
| //jjh javac and hotspot. See: |
| //jjh 4914602 LVT entries for classfile version > 49 must be converted |
| //jjh if (!useOld && !expected.equals(genSig)) { |
| //jjh failure("FAILED: Expected generic signature for local var: " + |
| //jjh expected + ", received: " + genSig); |
| //jjh } |
| } |
| } |
| { |
| // Verify genericSignature() for a method2 |
| List genMethods = gen1Class.methodsByName("method2"); |
| // There is only uno |
| Method method2 = (Method)genMethods.get(0); |
| expected = "null"; |
| genSig = method2.genericSignature(); |
| genSig = (genSig == null) ? "null" : genSig; |
| System.out.println("method2 name = " + method2); |
| System.out.println(" type = " + gen1Class.signature()); |
| System.out.println(" sig = " + method2.signature()); |
| System.out.println(" gen sig = " + genSig); |
| System.out.println(" bridge = " + method2.isBridge()); |
| if (!useOld && !expected.equals(genSig)) { |
| failure("FAILED: Expected generic signature for method2: " + |
| expected + ", received: " + genSig); |
| } |
| |
| // Verify this is not a bridge method |
| if (method2.isBridge()) { |
| failure("FAILED: Expected gen1.method2 to not be a bridge" |
| + " method but it is"); |
| } |
| |
| // Verify genericSignature for a local var |
| List localVars = method2.variables(); |
| expected = "null"; |
| for ( int ii = 0 ; ii < localVars.size(); ii++) { |
| LocalVariable pp = (LocalVariable)localVars.get(ii); |
| genSig = pp.genericSignature(); |
| genSig = (genSig == null) ? "null" : genSig; |
| |
| System.out.println(" local var " + ii + " = " + pp.name()); |
| System.out.println(" sig = " + pp.signature()); |
| System.out.println(" gen sig = " + genSig); |
| if (!useOld && !expected.equals(genSig)) { |
| failure("FAILED: Expected generic signature for local var: " + |
| expected + ", received: " + genSig); |
| } |
| } |
| } |
| { |
| Field sub1Field = targetClass.fieldByName("sub1Field"); |
| ReferenceType sub1Class = (ReferenceType)(sub1Field.type()); |
| List<Method> sub1Methods = sub1Class.methodsByName("method1"); |
| for (Method mm: sub1Methods) { |
| System.out.println("method is: " + mm); |
| } |
| /* |
| * There should be two methods - the first is the |
| * method1 defined in Sub1, and the 2nd is a javac generated |
| * bridge method. |
| */ |
| Method method1 = (Method)sub1Methods.get(1); |
| System.out.println("\nmethod1 name = " + method1); |
| System.out.println(" sig = " + method1.signature()); |
| System.out.println(" bridge = " + method1.isBridge()); |
| if (!useOld && !method1.isBridge()) { |
| failure("FAILED: Expected Sub1.method1 to be a bridge method" |
| + " but it isn't"); |
| } |
| |
| } |
| { |
| // Verify genericSignature for a non generic class |
| genSig = targetClass.genericSignature(); |
| if (genSig != null) { |
| failure("FAILED: Expected generic signature = null for " |
| + targetClass.name() + ", received: " + genSig); |
| } |
| } |
| { |
| // Verify genericSignature for a non generic field |
| Field objField = targetClass.fieldByName("objField"); |
| genSig = objField.genericSignature(); |
| if (genSig != null) { |
| failure("FAILED: Expected generic signature = null for " |
| + objField.name() + ", received: " + genSig); |
| } |
| } |
| { |
| // Verify genericSignature for a non generic method |
| List methods = targetClass.methodsByName("main"); |
| Method main = (Method)methods.get(0); |
| genSig = main.genericSignature(); |
| if (genSig != null) { |
| failure("FAILED: Expected generic signature = null for " |
| + main.name() + ", received: " + genSig); |
| } |
| } |
| if (0 == 1) { |
| mainThread = bpe.thread(); |
| EventRequestManager erm = vm().eventRequestManager(); |
| StepRequest request = erm.createStepRequest(mainThread, |
| StepRequest.STEP_LINE, |
| StepRequest.STEP_INTO); |
| request.enable(); |
| } |
| |
| /* |
| * resume the target listening for events |
| */ |
| listenUntilVMDisconnect(); |
| |
| /* |
| * deal with results of test |
| * if anything has called failure("foo") testFailed will be true |
| */ |
| if (!testFailed) { |
| println("GenericsTest: passed"); |
| } else { |
| throw new Exception("GenericsTest: failed"); |
| } |
| } |
| } |