1 /* 2 * Copyright (c) 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package openjdk.jcov.filter.simplemethods; 26 27 import org.objectweb.asm.ClassReader; 28 import org.objectweb.asm.tree.ClassNode; 29 import org.objectweb.asm.tree.MethodNode; 30 31 import java.io.IOException; 32 33 public class TestUtils { 34 static ClassNode findTestClass(Class cls) throws IOException { 35 ClassNode result = new ClassNode(); 36 ClassReader reader = new ClassReader(cls.getClassLoader(). 37 getResourceAsStream(cls.getName().replace('.','/') + ".class")); 38 reader.accept(result, 0); 39 return result; 40 } 41 42 static MethodNode findTestMethod(ClassNode cls, String methodSig) { 43 for(Object mo: cls.methods) { 44 MethodNode m = (MethodNode) mo; 45 if((m.name + m.desc).equals(methodSig)) { 46 return m; 47 } 48 } 49 throw new IllegalStateException("Method does not exist: " + methodSig + " in class " + cls.name); 50 } 51 }