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 java.lang.reflect.InvocationTargetException;
  27 
  28 import vm.runtime.defmeth.shared.Constants;
  29 import vm.runtime.defmeth.shared.DefMethTest;
  30 import vm.runtime.defmeth.shared.MemoryClassLoader;
  31 import vm.runtime.defmeth.shared.data.Tester;
  32 import java.util.*;
  33 import nsk.share.Pair;
  34 import static vm.runtime.defmeth.shared.Constants.*;
  35 
  36 /**
  37  * Run a single test with bytecode-generated asserts.
  38  */
  39 public class GeneratedTest implements TestExecutor {
  40 
  41     /** Assertions to check */
  42     private Collection<? extends Tester> tests;
  43 
  44     /** Class loader to load all necessary classes for execution */
  45     private MemoryClassLoader cl;
  46 
  47     private DefMethTest testInstance;
  48 
  49     public GeneratedTest(MemoryClassLoader cl, DefMethTest testInstance,
  50                          Collection<? extends Tester> tests) {
  51         this.cl = cl;
  52         this.tests = tests;
  53         this.testInstance = testInstance;
  54     }
  55 
  56     public GeneratedTest(MemoryClassLoader cl, DefMethTest testObj,
  57                          Tester... tests) {
  58         this(cl, testObj, Arrays.asList(tests));
  59     }
  60 
  61     @Override
  62     public MemoryClassLoader getLoader() {
  63         return cl;
  64     }
  65 
  66     /**
  67      * Run individual assertion for the test by it's name.
  68      *
  69      * @param test
  70      * @throws Throwable
  71      */
  72     public void run(Tester test) throws Throwable {
  73         try {
  74             Class<?> clz = cl.loadClass(test.name());
  75             java.lang.reflect.Method m = clz.getMethod("test");
  76             m.invoke(null);
  77         } catch (InvocationTargetException e) {
  78             throw e.getCause();
  79         }
  80     }
  81 
  82     /**
  83      * Check assertions from a test and return errors if any.
  84      *
  85      * @return
  86      */
  87     public List<Pair<Tester,Throwable>> run() {
  88         List<Pair<Tester,Throwable>> errors = new ArrayList<>();
  89 
  90         if (tests.isEmpty()) {
  91             throw new IllegalStateException("No tests to run");
  92         }
  93 
  94         for (Tester t : tests) {
  95             StringBuilder msg =
  96                     new StringBuilder(String.format("\t%-30s: ", t.name()));
  97 
  98             Throwable error = null;
  99             try {
 100                 run(t);
 101 
 102                 msg.append("PASSED");
 103             } catch (Throwable e) {
 104                 error = e;
 105                 errors.add(Pair.of(t,e));
 106                 msg.append("FAILED");
 107             } finally {
 108                 testInstance.getLog().info(msg.toString());
 109                 if (error != null) {
 110                     testInstance.getLog().info("\t\t"+error.getMessage());
 111                     if (PRINT_STACK_TRACE) {
 112                         error.printStackTrace();
 113                     }
 114                 }
 115             }
 116         }
 117 
 118         testInstance.addFailureCount(errors.isEmpty() ? 0 : 1);
 119         return errors;
 120     }
 121 }