How to use MethodReplacementMethodVisitor class of org.evomaster.client.java.instrumentation.coverage package
Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.coverage.MethodReplacementMethodVisitor
Source:MethodReplacementMethodVisitor.java 
...16import java.lang.reflect.Method;17import java.util.List;18import java.util.Optional;19import java.util.stream.Stream;20public class MethodReplacementMethodVisitor extends MethodVisitor {21 private final String className;22 private final String methodName;23 private final boolean registerNewTargets;24 private final boolean applyTrackingMethods;25 private int currentLine;26 private int currentIndex;27 public MethodReplacementMethodVisitor(boolean registerNewTargets,28 boolean applyTrackingMethods,29 MethodVisitor mv,30 String className,31 String methodName,32 String descriptor) {33 super(Constants.ASM, mv);34 this.className = className;35 this.methodName = methodName;36 this.registerNewTargets = registerNewTargets;37 this.applyTrackingMethods = applyTrackingMethods;38 currentLine = 0;39 }40 @Override41 public void visitLineNumber(int line, Label start) {...
Source:CoverageClassVisitor.java
...47 ObjectiveRecorder.registerTarget(ObjectiveNaming.classObjectiveName(bytecodeClassName));48 mv = new LineCovMethodVisitor(mv, bytecodeClassName, name, descriptor);49 mv = new BranchCovMethodVisitor(mv, bytecodeClassName, name, descriptor);50 mv = new SuccessCallMethodVisitor(mv, bytecodeClassName, name, descriptor);51 mv = new MethodReplacementMethodVisitor(true, true, mv, bytecodeClassName, name, descriptor);52 mv = new NonIntegerComparisonsMethodVisitor(mv, bytecodeClassName, name, descriptor);53 return mv;54 }55}...
Source:ThirdPartyClassVisitor.java
...31 }32 if (name.equals(Constants.CLASS_INIT_METHOD)) {33 return mv;34 }35 mv = new MethodReplacementMethodVisitor(false, false, mv, bytecodeClassName, name, descriptor);36 return mv;37 }38}
MethodReplacementMethodVisitor
Using AI Code Generation
1package org.evomaster.client.java.instrumentation.coverage.methodreplacement;2import org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.*;3import org.evomaster.client.java.instrumentation.shared.ReplacementType;4import org.objectweb.asm.ClassReader;5import org.objectweb.asm.ClassWriter;6import org.objectweb.asm.Opcodes;7import java.io.IOException;8import java.nio.file.Files;9import java.nio.file.Paths;10public class MethodReplacementExample {11 public static void main(String[] args) throws IOException {12 String className = "org/evomaster/client/java/instrumentation/coverage/methodreplacement/classes/ExampleClass";13 byte[] classBytes = Files.readAllBytes(Paths.get("target/classes/" + className.replace("/", ".") + ".class"));14 ClassReader reader = new ClassReader(classBytes);15 ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_MAXS);16 MethodReplacementMethodVisitor visitor = new MethodReplacementMethodVisitor(Opcodes.ASM7, writer, className, ReplacementType.EXCEPTION);17 reader.accept(visitor, 0);18 byte[] bytes = writer.toByteArray();19 Files.write(Paths.get("target/classes/" + className.replace("/", ".") + "2.class"), bytes);20 }21}22package org.evomaster.client.java.instrumentation.coverage.methodreplacement;23import org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.*;24import org.evomaster.client.java.instrumentation.shared.ReplacementType;25import org.objectweb.asm.ClassReader;26import org.objectweb.asm.ClassWriter;27import org.objectweb.asm.Opcodes;28import java.io.IOException;29import java.nio.file.Files;30import java.nio.file.Paths;31public class MethodReplacementExample {32 public static void main(String[] args) throws IOException {33 String className = "org/evomaster/client/java/instrumentation/coverage/methodreplacement/classes/ExampleClass";34 byte[] classBytes = Files.readAllBytes(Paths.get("target/classes/" + className.replace("/", ".") + ".class"));35 ClassReader reader = new ClassReader(classBytes);36 ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_MAXS);37 MethodReplacementClassVisitor visitor = new MethodReplacementClassVisitor(Opcodes.ASM7, writer, ReplacementType.EXCEPTION);38 reader.accept(visitor, 0);
MethodReplacementMethodVisitor
Using AI Code Generation
1public class 2 {2 public static void main(String[] args) {3 System.out.println("Hello World");4 }5}6public class 2 {7 public static void main(String[] args) {8 System.out.println("Hello World");9 }10}11public class 2 {12 public static void main(String[] args) {13 System.out.println("Hello World");14 }15}16public class 2 {17 public static void main(String[] args) {18 System.out.println("Hello World");19 }20}21public class 2 {22 public static void main(String[] args) {23 System.out.println("Hello World");24 }25}26public class 2 {27 public static void main(String[] args) {28 System.out.println("Hello World");29 }30}31public class 2 {32 public static void main(String[] args) {33 System.out.println("Hello World");34 }35}36public class 2 {37 public static void main(String[] args) {38 System.out.println("Hello World");39 }40}41public class 2 {42 public static void main(String[] args) {43 System.out.println("Hello World");44 }45}
MethodReplacementMethodVisitor
Using AI Code Generation
1package org.evomaster.client.java.instrumentation.coverage;2import org.evomaster.client.java.instrumentation.shared.ReplacementType;3import org.objectweb.asm.*;4import java.io.IOException;5import java.nio.file.Files;6import java.nio.file.Path;7import java.nio.file.Paths;8import java.util.*;9public class MethodReplacementMethodVisitor extends ClassVisitor {10 private final String className;11 private final String methodName;12 private final String methodDesc;13 private final String methodOwner;14 private final String replacementClass;15 public MethodReplacementMethodVisitor(ClassVisitor cv, String className, String methodName, String methodDesc, String methodOwner, String replacementClass) {16 super(Opcodes.ASM7, cv);17 this.className = className;18 this.methodName = methodName;19 this.methodDesc = methodDesc;20 this.methodOwner = methodOwner;21 this.replacementClass = replacementClass;22 }23 public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {24 MethodVisitor mv = cv.visitMethod(access, name, desc, signature, exceptions);25 if (name.equals(methodName) && desc.equals(methodDesc)) {26 return new MethodReplacementAdapter(mv, className, methodName, methodDesc, methodOwner, replacementClass);27 }28 return mv;29 }30 private static class MethodReplacementAdapter extends MethodVisitor {31 private final String className;32 private final String methodName;33 private final String methodDesc;34 private final String methodOwner;35 private final String replacementClass;36 private final boolean isStatic;37 public MethodReplacementAdapter(MethodVisitor mv, String className, String methodName, String methodDesc, String methodOwner, String replacementClass) {38 super(Opcodes.ASM7, mv);39 this.className = className;40 this.methodName = methodName;41 this.methodDesc = methodDesc;42 this.methodOwner = methodOwner;43 this.replacementClass = replacementClass;44 this.isStatic = (methodOwner == null);45 }46 public void visitCode() {47 super.visitCode();48 org.evomaster.client.java.instrumentation.coverage.methodreplacement.ReplacementClass.methodName(className, methodName, methodDesc, method
MethodReplacementMethodVisitor
Using AI Code Generation
1public class 2 {2 public static void main(String[] args) {3 MethodReplacementMethodVisitor.setReplacementClass("org.evomaster.client.java.instrumentation.coverage.methodreplacement.ReplacementClass");4 MethodReplacementMethodVisitor.setReplacementMethod("replacementMethod");5 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplaced");6 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParameters");7 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturn");8 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrow");9 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithException");10 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinally");11 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinallyWithReturn");12 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinallyWithReturnAndThrow");13 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinallyWithReturnAndThrowWithException");14 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinallyWithReturnAndThrowWithExceptionAndFinally");15 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinallyWithReturnAndThrowWithExceptionAndFinallyWithReturn");16 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinallyWithReturnAndThrowWithExceptionAndFinallyWithReturnAndThrow");17 MethodReplacementMethodVisitor.setMethodToBeReplaced("methodToBeReplacedWithParametersAndReturnAndThrowWithExceptionAndFinallyWithReturnAndThrowWithExceptionAndFinallyWithReturnAndThrowWithException");
MethodReplacementMethodVisitor
Using AI Code Generation
1import org.evomaster.client.java.instrumentation.coverage.methodreplacement.MethodReplacementClassVisitor;2import org.objectweb.asm.ClassReader;3import org.objectweb.asm.ClassWriter;4import org.objectweb.asm.Opcodes;5import java.io.IOException;6import java.nio.file.Files;7import java.nio.file.Path;8import java.nio.file.Paths;9public class Main {10 public static void main(String[] args) throws IOException {11 String className = "org/evomaster/client/java/instrumentation/example/TimeService";12 String methodName = "getLocalTime";13 String methodDescriptor = "()I";14 String replacementMethodBody = "return 0;";15 Path path = Paths.get("TimeService.class");16 byte[] fileContent = Files.readAllBytes(path);17 ClassReader reader = new ClassReader(fileContent);18 ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES);19 MethodReplacementClassVisitor visitor = new MethodReplacementClassVisitor(Opcodes.ASM7, writer, className, methodName, methodDescriptor, replacementMethodBody);20 reader.accept(visitor, ClassReader.EXPAND_FRAMES);21 byte[] newBytecode = writer.toByteArray();22 Path newPath = Paths.get("TimeService_new.class");23 Files.write(newPath, newBytecode);24 }25}26import org.evomaster.client.java.instrumentation.example.TimeService;27public class Main {28 public static void main(String[] args) {29 TimeService timeService = new TimeService();30 System.out.println(timeService.getLocalTime());31 }32}33The code in the method "getLocalTime" will be replaced by the code "return 0;". The code of the method "getLocalTime" is as follows:34public int getLocalTime() {35 Calendar calendar = Calendar.getInstance();36 int hour = calendar.get(Calendar.HOUR_OF_DAY);37 int minute = calendar.get(Calendar.MINUTE);38 int second = calendar.get(Calendar.SECOND);39 return hour * 3600 + minute * 60 + second;40}
MethodReplacementMethodVisitor
Using AI Code Generation
1import org.evomaster.client.java.instrumentation.coverage.MethodReplacementMethodVisitor;2import org.objectweb.asm.ClassReader;3import org.objectweb.asm.ClassWriter;4import org.objectweb.asm.MethodVisitor;5import org.objectweb.asm.Opcodes;6import java.io.File;7import java.io.FileInputStream;8import java.io.FileOutputStream;9import java.io.IOException;10public class 2 {11 public static void main(String[] args) throws IOException {12 ClassReader cr = new ClassReader(new FileInputStream(new File("HashMap.class")));13 ClassWriter cw = new ClassWriter(cr, ClassWriter.COMPUTE_FRAMES);14 cr.accept(new MethodReplacementMethodVisitor(Opcodes.ASM7, cw, "getReplacement"), ClassReader.EXPAND_FRAMES);15 byte[] bytes = cw.toByteArray();16 FileOutputStream fos = new FileOutputStream(new File("HashMapModified.class"));17 fos.write(bytes);18 fos.close();19 }20}21import org.evomaster.client.java.instrumentation.coverage.MethodReplacementMethodVisitor;22import org.objectweb.asm.ClassReader;23import org.objectweb.asm.ClassWriter;24import org.objectweb.asm.MethodVisitor;25import org.objectweb.asm.Opcodes;26import java.io.File;27import java.io.FileInputStream;28import java.io.FileOutputStream;29import java.io.IOException;30public class 3 {31 public static void main(String[] args) throws IOException {32 ClassReader cr = new ClassReader(new FileInputStream(new File("HashMap.class")));33 ClassWriter cw = new ClassWriter(cr, ClassWriter.COMPUTE_FRAMES);34 cr.accept(new MethodReplacementMethodVisitor(Opcodes.ASM7, cw, "getReplacement"), ClassReader.EXPAND_FRAMES);35 byte[] bytes = cw.toByteArray();36 FileOutputStream fos = new FileOutputStream(new File("HashMapModified.class"));37 fos.write(bytes);38 fos.close();39 }40}
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