1 /*
   2  * Copyright (c) 2015, 2016, 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 /**
  25  * @test
  26  * @bug 8136421
  27  * @requires vm.jvmci
  28  * @library /test/lib /
  29  * @library ../common/patches
  30  * @modules java.base/jdk.internal.misc
  31  * @modules java.base/jdk.internal.org.objectweb.asm
  32  *          java.base/jdk.internal.org.objectweb.asm.tree
  33  *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
  34  *          jdk.internal.vm.ci/jdk.vm.ci.code
  35  * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  36  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  37  *                   -Djvmci.Compiler=null
  38  *                   compiler.jvmci.compilerToVM.GetStackTraceElementTest
  39  */
  40 
  41 package compiler.jvmci.compilerToVM;
  42 
  43 import compiler.jvmci.common.CTVMUtilities;
  44 import compiler.jvmci.common.testcases.TestCase;
  45 import jdk.test.lib.Asserts;
  46 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  47 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  48 
  49 import java.lang.reflect.Executable;
  50 import java.lang.reflect.Method;
  51 import java.lang.reflect.Modifier;
  52 import java.util.HashMap;
  53 import java.util.Map;
  54 
  55 public class GetStackTraceElementTest {
  56 
  57     public static void main(String[] args) {
  58         Map<Executable, int[]> testCases = createTestCases();
  59         testCases.forEach(GetStackTraceElementTest::runSanityTest);
  60     }
  61 
  62     private static void runSanityTest(Executable aMethod, int[] bcis) {
  63         HotSpotResolvedJavaMethod method = CTVMUtilities
  64                 .getResolvedMethod(aMethod);
  65         String className = aMethod.getDeclaringClass().getName();
  66         String methodName = aMethod.getName().equals(className)
  67                 ? "<init>"
  68                 : aMethod.getName();
  69         String fileName = getFileName(className);
  70         Map<Integer, Integer> bciWithLineNumber = CTVMUtilities
  71                 .getBciToLineNumber(aMethod);
  72         boolean isNative = Modifier.isNative(aMethod.getModifiers());
  73         int lineNumber = -1;
  74         for (int bci : bcis) {
  75             StackTraceElement ste = CompilerToVMHelper
  76                     .getStackTraceElement(method, bci);
  77             Asserts.assertNotNull(ste, aMethod + " : got null StackTraceElement"
  78                     + " at bci " + bci);
  79             Asserts.assertEQ(className, ste.getClassName(), aMethod
  80                     + " : unexpected class name");
  81             Asserts.assertEQ(fileName, ste.getFileName(), aMethod
  82                     + " : unexpected filename");
  83             Asserts.assertEQ(methodName, ste.getMethodName(), aMethod
  84                     + " : unexpected method name");
  85             Asserts.assertEQ(isNative, ste.isNativeMethod(), aMethod
  86                     + " : unexpected 'isNative' value");
  87             if (bciWithLineNumber.size() > 0) {
  88                 if (bciWithLineNumber.containsKey(bci)) {
  89                     lineNumber = bciWithLineNumber.get(bci);
  90                 }
  91                 Asserts.assertEQ(lineNumber, ste.getLineNumber(), aMethod
  92                         + " : unexpected line number");
  93             } else {
  94                 // native and abstract function
  95                 Asserts.assertGT(0, ste.getLineNumber(),
  96                         aMethod + " : unexpected line number for abstract "
  97                                 + "or native method");
  98             }
  99         }
 100 
 101     }
 102 
 103     private static String getFileName(String className) {
 104         int lastDot = className.lastIndexOf('.');
 105         int firstDol = className.contains("$")
 106                 ? className.indexOf('$')
 107                 : className.length();
 108         return className.substring(lastDot + 1, firstDol) + ".java";
 109     }
 110 
 111     private static Map<Executable, int[]> createTestCases() {
 112         Map<Executable, int[]> testCases = new HashMap<>();
 113 
 114         try {
 115             Class<?> aClass = DummyClass.class;
 116             Method aMethod = aClass.getDeclaredMethod("dummyInstanceFunction");
 117             int[] bci = new int[] {0, 2, 3, 6, 7, 8, 11, 13, 15, 16, 17, 18};
 118             testCases.put(aMethod, bci);
 119 
 120             aMethod = aClass.getDeclaredMethod("dummyEmptyFunction");
 121             bci = new int[] {0};
 122             testCases.put(aMethod, bci);
 123 
 124             aMethod = aClass.getDeclaredMethod("nativeFunction");
 125             bci = new int[] {0};
 126             testCases.put(aMethod, bci);
 127 
 128             TestCase.getAllExecutables()
 129                     .forEach(c -> testCases.put(c, new int[] {0}));
 130         } catch (NoSuchMethodException e) {
 131             throw new Error("TEST BUG : test method not found", e);
 132         }
 133         return testCases;
 134     }
 135 
 136     private class DummyClass {
 137         public int dummyInstanceFunction() {
 138             String str1 = "123123123";
 139             double x = 3.14;
 140             int y = Integer.parseInt(str1);
 141 
 142             return y / (int)x;
 143         }
 144 
 145         public void dummyEmptyFunction() {}
 146 
 147         public native void nativeFunction();
 148     }
 149 }
--- EOF ---