1 /*
   2  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package vm.runtime.defmeth.shared.executor;
  25 
  26 import nsk.share.Pair;
  27 import vm.runtime.defmeth.shared.Constants;
  28 import vm.runtime.defmeth.shared.DefMethTest;
  29 import vm.runtime.defmeth.shared.MemoryClassLoader;
  30 import vm.runtime.defmeth.shared.Util;
  31 import vm.runtime.defmeth.shared.builder.TestBuilder;
  32 import vm.runtime.defmeth.shared.data.Clazz;
  33 import vm.runtime.defmeth.shared.data.ParamValueExtractor;
  34 import vm.runtime.defmeth.shared.data.Tester;
  35 import vm.runtime.defmeth.shared.data.method.param.Param;
  36 
  37 import java.util.ArrayList;
  38 import java.util.Collection;
  39 import java.util.List;
  40 
  41 /**
  42  * Commmon ancestor for reflection-based tests (Method.invoke & MethodHandle.invokeWithArguments).
  43  * Encapsulates all necessary state for test execution and contains some utility methods.
  44  */
  45 public abstract class AbstractReflectionTest implements TestExecutor {
  46     protected MemoryClassLoader cl;
  47     protected Collection<? extends Tester> tests;
  48     protected DefMethTest testInstance;
  49 
  50     public AbstractReflectionTest(DefMethTest testInstance, MemoryClassLoader cl, Collection<? extends Tester> tests) {
  51         this.testInstance = testInstance;
  52         this.cl = cl;
  53         this.tests = tests;
  54     }
  55 
  56     @Override
  57     public MemoryClassLoader getLoader() {
  58         return cl;
  59     }
  60 
  61     protected Class[] paramType(String desc) throws ClassNotFoundException {
  62         Pair<String[],String> p = Util.parseDesc(desc);
  63         Class[] ptypes = new Class[p.first.length];
  64         for (int i = 0; i < ptypes.length; i++) {
  65             ptypes[i] = Util.decodeClass(p.first[i], getLoader());
  66         }
  67         return ptypes;
  68     }
  69 
  70     public Class resolve(Clazz clazz) {
  71         try {
  72             return cl.loadClass(clazz.name());
  73         } catch (ClassNotFoundException e) {
  74             throw new Error(e);
  75         }
  76     }
  77 
  78     protected Object[] values(Param[] params) {
  79         Object[] result = new Object[params.length];
  80         for (int i = 0; i < result.length; i++) {
  81             result[i] = new ParamValueExtractor(this, params[i]).value();
  82         }
  83         return result;
  84     }
  85 
  86     public List<Pair<Tester,Throwable>> run() {
  87         List<Pair<Tester,Throwable>> errors = new ArrayList<>();
  88 
  89         if (tests.isEmpty()) {
  90             throw new IllegalStateException("No tests to run");
  91         }
  92 
  93         for (Tester t : tests) {
  94             StringBuilder msg =
  95                     new StringBuilder(String.format("\t%-30s: ", t.name()));
  96 
  97             Throwable error = null;
  98             try {
  99                 run(t);
 100 
 101                 msg.append("PASSED");
 102             } catch (Throwable e) {
 103                 error = e;
 104                 errors.add(Pair.of(t,e));
 105                 msg.append("FAILED");
 106             } finally {
 107                 testInstance.getLog().info(msg.toString());
 108                 if (error != null) {
 109                     //testInstance.getLog().info("\t\t"+error.getMessage());
 110                     testInstance.getLog().info("\t\t"+error);
 111                     if (Constants.PRINT_STACK_TRACE) {
 112                         error.printStackTrace();
 113                     }
 114                 }
 115             }
 116         }
 117 
 118         testInstance.addFailureCount(errors.isEmpty() ? 0 : 1);
 119         return errors;
 120     }
 121 }