author | iignatyev |
Fri, 11 Oct 2019 09:43:41 -0700 | |
changeset 58564 | 218a1a642c6f |
parent 50366 | 4d85990f9c4a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jit.graph; |
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import jdk.test.lib.Utils; |
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import nsk.share.TestFailure; |
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import java.io.BufferedReader; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import java.lang.reflect.InvocationTargetException; |
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import java.lang.reflect.Method; |
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import java.util.Random; |
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import java.util.StringTokenizer; |
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import java.util.Vector; |
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public final class Globals { |
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public static int STATIC_LOOP = 0; |
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public static int NUM_TEST_CLASSES = 7; |
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public static long RANDOM_LOOP = 100; |
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public static boolean VERBOSE = false; |
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private static final Random indexGenerator = Utils.getRandomInstance(); |
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private static String[] ClassArray = null; |
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private static Class[] ClassInstanceArray = null; |
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private static int maxClassIndex = 0; |
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private static String[] MethodName_Array = null; |
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private static Method[] MethodInstance_Array = null; |
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// Should be prime, so that odds of an incorrect verification reduced |
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public static int[] MethodID_Array = null; |
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public static synchronized void initialize(String testListPath) { |
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File td = new File(testListPath); |
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if (!td.exists()) { |
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throw new Error("TESTBUG: File " + testListPath + " Not found"); |
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} |
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if (!td.isFile()) { |
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throw new Error("TESTBUG: " + testListPath + " Must be a File"); |
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} |
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BufferedReader classList = null; |
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try { |
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try { |
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classList = new BufferedReader(new FileReader(td)); |
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} catch (FileNotFoundException e) { |
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throw new Error("TESTBUG: Error finding Classlist", e); |
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} |
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String line = null; |
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try { |
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line = classList.readLine(); |
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} catch (IOException e) { |
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throw new Error("TESTBUG: Error reading Classlist", e); |
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} |
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try { |
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// ClassArray.length; |
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maxClassIndex = Math.abs(Integer.parseInt(line)); |
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} catch (NumberFormatException e) { |
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throw new Error("TESTBUG: Error reading Classlist - first number must be number of methods defined", e); |
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} |
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ClassArray = new String[maxClassIndex]; |
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ClassInstanceArray = new Class[maxClassIndex]; |
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MethodName_Array = new String[maxClassIndex]; |
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MethodInstance_Array = new Method[maxClassIndex]; |
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MethodID_Array = new int[maxClassIndex]; |
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int i; |
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for (i = 0; i < maxClassIndex; i++) { |
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try { |
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line = classList.readLine(); |
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} catch (IOException e) { |
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throw new Error("TESTBUG: Error reading ClasslistFile: testListPath", e); |
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} |
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StringTokenizer lineTokens = new StringTokenizer(line, "\t "); |
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if (lineTokens.countTokens() < 3) { |
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throw new Error("TESTBUG: ClasslistFile: unexpected line:" + line); |
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} else { |
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ClassArray[i] = lineTokens.nextToken(); |
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MethodName_Array[i] = lineTokens.nextToken(); |
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MethodID_Array[i] = Integer.parseInt(lineTokens.nextToken()); |
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} |
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} |
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maxClassIndex = i; |
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} finally { |
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if (classList != null) { |
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try { |
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classList.close(); |
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} catch (IOException e) { |
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throw new Error("can't close file", e); |
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} |
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} |
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} |
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if ((NUM_TEST_CLASSES < ClassArray.length) && (NUM_TEST_CLASSES > 0)) { |
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maxClassIndex = NUM_TEST_CLASSES; |
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} else { |
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NUM_TEST_CLASSES = maxClassIndex; |
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} |
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} |
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// does a binary search to find the index for the ID of a method |
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private static int ID_BinSearch(int begin, int end, int ID) { |
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if (end < begin) { |
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return (-1); |
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} |
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int mid = (begin + end) / 2; |
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int midvalue = MethodID_Array[mid]; |
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if (ID == midvalue) { |
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return (mid); |
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} else if (ID < midvalue) { |
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return (ID_BinSearch(begin, mid - 1, ID)); |
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} else { |
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return (ID_BinSearch(mid + 1, end, ID)); |
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} |
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} |
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// based off a static index, this function selects the method to be called |
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public static MethodData returnNextStaticMethod(int Method_ID) { |
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//int i = ID_BinSearch(0, MethodID_Array.length - 1, Method_ID); |
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int i = ID_BinSearch(0, maxClassIndex - 1, Method_ID); |
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return (nextStaticMethod((i == -1) ? 0 : i)); |
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} |
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// this function randomly selects the next method to be called by the test class |
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public static MethodData nextRandomMethod() { |
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int i = indexGenerator.nextInt(maxClassIndex); |
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return (nextStaticMethod(i)); |
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} |
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private static MethodData nextStaticMethod(int i) { |
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Class methodsClass = null; |
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Method nextMethod = null; |
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try { |
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methodsClass = ClassInstanceArray[i]; |
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if (methodsClass == null) { |
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methodsClass = Class.forName(ClassArray[i]); |
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ClassInstanceArray[i] = methodsClass; |
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} |
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nextMethod = MethodInstance_Array[i]; |
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if (nextMethod == null) { |
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nextMethod = methodsClass.getMethod(MethodName_Array[i], |
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Vector.class, Vector.class, Long.class, Integer.class); |
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// sum vector, ID vector, function depth, static function call depth |
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MethodInstance_Array[i] = nextMethod; |
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} |
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} catch (ClassNotFoundException e) { |
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throw new Error("TESTBUG Class: " + ClassArray[i] + " Not Found", e); |
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} catch (NoSuchMethodException e) { |
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throw new Error("TESTBUG Method: " + ClassArray[i] + "::" + MethodName_Array[i] + " Not Found", e); |
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} catch (SecurityException e) { |
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throw new Error("TESTBUG Security Exception Generated by " + ClassArray[i] + "::" + MethodName_Array[i], e); |
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} |
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return new MethodData(ClassArray[i], MethodName_Array[i], methodsClass, nextMethod, MethodID_Array[i]); |
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} |
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/* These two functions are used to verify that all function were called in the proper order */ |
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// called by "parent" function to add childs ID to vector |
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public static void addFunctionIDToVector(int FunctionIndex, Vector IDVector) { |
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IDVector.addElement(FunctionIndex); |
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} |
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// called by "child" to add Function Index to Vector |
200 |
public static void appendSumToSummationVector(int FunctionIndex, Vector SummationVector) { |
|
201 |
if (SummationVector.isEmpty()) { |
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202 |
SummationVector.addElement((long) FunctionIndex); |
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203 |
} else { |
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204 |
SummationVector.addElement((Long) SummationVector.lastElement() + FunctionIndex); |
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} |
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} |
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// This function calls a method based off of MethodData |
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public static void callMethod(MethodData methodCallStr, |
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Vector summation, Vector ID, |
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Long numFcalls, Integer staticFcalls) |
58564 | 212 |
throws InvocationTargetException { |
213 |
try { |
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214 |
methodCallStr.nextMethod.invoke(methodCallStr.instance, |
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215 |
summation, ID, numFcalls, staticFcalls); |
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216 |
} catch (IllegalAccessException e) { |
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217 |
// should never happen with a valid testfile |
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218 |
throw new TestFailure("Illegal Access Exception", e); |
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219 |
} |
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} |
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} |