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How to use typeImplements method of org.evomaster.client.java.instrumentation.ComputeClassWriter class

Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.ComputeClassWriter.typeImplements

Source:ComputeClassWriter.java

...61            	// May happen if class is not found62                throw new RuntimeException("Class not found: "+type2+": "+e.toString(), e);63        	}64            if ((info1.getAccess() & Opcodes.ACC_INTERFACE) != 0) {65                if (typeImplements(type2, info2, type1)) {66                    return type1;67                }68                if ((info2.getAccess() & Opcodes.ACC_INTERFACE) != 0) {69                    if (typeImplements(type1, info1, type2)) {70                        return type2;71                    }72                }73                return "java/lang/Object";74            }75            if ((info2.getAccess() & Opcodes.ACC_INTERFACE) != 0) {76                if (typeImplements(type1, info1, type2)) {77                    return type2;78                } else {79                    return "java/lang/Object";80                }81            }82            StringBuilder b1 = typeAncestors(type1, info1);83            StringBuilder b2 = typeAncestors(type2, info2);84            String result = "java/lang/Object";85            int end1 = b1.length();86            int end2 = b2.length();87            while (true) {88                int start1 = b1.lastIndexOf(";", end1 - 1);89                int start2 = b2.lastIndexOf(";", end2 - 1);90                if (start1 != -1 && start2 != -191                        && end1 - start1 == end2 - start2) {92                    String p1 = b1.substring(start1 + 1, end1);93                    String p2 = b2.substring(start2 + 1, end2);94                    if (p1.equals(p2)) {95                        result = p1;96                        end1 = start1;97                        end2 = start2;98                    } else {99                        return result;100                    }101                } else {102                    return result;103                }104            }105        } catch (IOException e) {106            throw new RuntimeException(e.toString());107        } catch (NullPointerException e) {108        	// May happen if class is not found109            throw new RuntimeException(e.toString());110        }111    }112    113    /**114     * Returns the internal names of the ancestor classes of the given type.115     *116     * @param type117     *            the internal name of a class or interface.118     * @param info119     *            the ClassReader corresponding to 'type'.120     * @return a StringBuilder containing the ancestor classes of 'type',121     *         separated by ';'. The returned string has the following format:122     *         ";type1;type2 ... ;typeN", where type1 is 'type', and typeN is a123     *         direct subclass of Object. If 'type' is Object, the returned124     *         string is empty.125     * @throws IOException126     *             if the bytecode of 'type' or of some of its ancestor class127     *             cannot be loaded.128     */129    private StringBuilder typeAncestors(String type, ClassReader info)130            throws IOException {131        StringBuilder b = new StringBuilder();132        while (!"java/lang/Object".equals(type)) {133            b.append(';').append(type);134            type = info.getSuperName();135            info = typeInfo(type);136        }137        return b;138    }139    /**140     * Returns true if the given type implements the given interface.141     *142     * @param type143     *            the internal name of a class or interface.144     * @param info145     *            the ClassReader corresponding to 'type'.146     * @param itf147     *            the internal name of a interface.148     * @return true if 'type' implements directly or indirectly 'itf'149     * @throws IOException150     *             if the bytecode of 'type' or of some of its ancestor class151     *             cannot be loaded.152     */153    private boolean typeImplements(String type, ClassReader info, String itf)154            throws IOException {155        while (!"java/lang/Object".equals(type)) {156            String[] itfs = info.getInterfaces();157            for (int i = 0; i < itfs.length; ++i) {158                if (itfs[i].equals(itf)) {159                    return true;160                }161            }162            for (int i = 0; i < itfs.length; ++i) {163                if (typeImplements(itfs[i], typeInfo(itfs[i]), itf)) {164                    return true;165                }166            }167            type = info.getSuperName();168            info = typeInfo(type);169        }170        return false;171    }172    173    /**174     * Returns a ClassReader corresponding to the given class or interface.175     *176     * @param type177     *            the internal name of a class or interface....

typeImplements

Using AI Code Generation

1    public static void main(String[] args) throws IOException {2        ComputeClassWriter cw = new ComputeClassWriter(0);3        MethodVisitor mv;4        FieldVisitor fv;5        AnnotationVisitor av0;6        cw.visit(52, ACC_PUBLIC + ACC_SUPER, "org/evomaster/client/java/instrumentation/example/Example", null, "java/lang/Object", null);7        cw.visitSource("Example.java", null);8        {9            fv = cw.visitField(ACC_PRIVATE, "foo", "Ljava/lang/String;", null, null);10            fv.visitEnd();11        }12        {13            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);14            mv.visitCode();15            mv.visitVarInsn(ALOAD, 0);16            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);17            mv.visitInsn(RETURN);18            mv.visitMaxs(1, 1);19            mv.visitEnd();20        }21        {22            mv = cw.visitMethod(ACC_PUBLIC, "getFoo", "()Ljava/lang/String;", null, null);23            mv.visitCode();24            mv.visitVarInsn(ALOAD, 0);25            mv.visitFieldInsn(GETFIELD, "org/evomaster/client/java/instrumentation/example/Example", "foo", "Ljava/lang/String;");26            mv.visitInsn(ARETURN);27            mv.visitMaxs(1, 1);28            mv.visitEnd();29        }30        {31            mv = cw.visitMethod(ACC_PUBLIC, "setFoo", "(Ljava/lang/String;)V", null, null);32            mv.visitCode();33            mv.visitVarInsn(ALOAD, 0);34            mv.visitVarInsn(ALOAD, 1);35            mv.visitFieldInsn(PUTFIELD, "org/evomaster/client/java/instrumentation/example/Example", "foo", "Ljava/lang/String;");36            mv.visitInsn(RETURN);37            mv.visitMaxs(2, 2);38            mv.visitEnd();39        }40        cw.visitEnd();41        byte[] bytes = cw.toByteArray();42        File file = new File("target/classes/org/evomaster/client/java/instrumentation/example/Example.class");43        FileOutputStream fos = new FileOutputStream(file);44        fos.write(bytes);45        fos.close();46    }47}48public class Example {49    private String foo;50    public String getFoo() {51        return foo;52    }53    public void setFoo(String foo

typeImplements

Using AI Code Generation

1import java.lang.reflect.Method;2import java.util.Arrays;3import java.util.Collections;4import java.util.List;5public class ComputeClassWriter {6    public static void main(String[] args) throws NoSuchMethodException {7        Method method = Collections.class.getMethod("sort", List.class);8        System.out.println("Method: " + method);9        System.out.println("Method is default? " + method.isDefault());10        System.out.println("Method is synthetic? " + method.isSynthetic());11        System.out.println("Method is bridge? " + method.isBridge());12        System.out.println("Method implements Comparable? " + typeImplements(method.getReturnType(), Comparable.class));13        System.out.println("Method implements List? " + typeImplements(method.getReturnType(), List.class));14        System.out.println("Method implements Iterable? " + typeImplements(method.getReturnType(), Iterable.class));15        System.out.println("Method implements Object? " + typeImplements(method.getReturnType(), Object.class));16        System.out.println("Method implements Serializable? " + typeImplements(method.getReturnType(), Serializable.class));17    }18    public static boolean typeImplements(Class<?> type, Class<?> interfaceType) {19        if (type == null) {20            return false;21        }22        if (type.equals(interfaceType)) {23            return true;24        }25        if (type.isInterface() && Arrays.asList(type.getInterfaces()).contains(interfaceType)) {26            return true;27        }28        if (type.getSuperclass() != null && type.getSuperclass().equals(interfaceType)) {29            return true;30        }31        if (Arrays.asList(type.getInterfaces()).contains(interfaceType)) {32            return true;33        }34        return typeImplements(type.getSuperclass(), interfaceType);35    }36}37Method: public static void java.util.Collections.sort(java.util.List)

typeImplements

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer2import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer3public class ClassImplementsInterface {4    public static boolean implementsInterface(String className, String interfaceName) throws ClassNotFoundException {5        return ComputeClassWriter.typeImplements(className, interfaceName);6    }7}8import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer9import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer10public class ClassIsSubtype {11    public static boolean isSubtype(String subclassName, String superclassName) throws ClassNotFoundException {12        return ComputeClassWriter.isSubtype(subclassName, superclassName);13    }14}15import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer16import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer17public class ClassIsSubtype {18    public static boolean isSubtype(String subclassName, String superclassName) throws ClassNotFoundException {19        return ComputeClassWriter.isSubtype(subclassName, superclassName);20    }21}22import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer23import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer24public class ClassIsSubtype {25    public static boolean isSubtype(String subclassName, String superclassName) throws ClassNotFoundException {26        return ComputeClassWriter.isSubtype(subclassName, superclassName);27    }28}29import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer30import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer31public class ClassIsSubtype {32    public static boolean isSubtype(String subclassName, String superclassName) throws ClassNotFoundException {33        return ComputeClassWriter.isSubtype(subclassName, super

typeImplements

Using AI Code Generation

1public class Test implements Serializable {2    public static void main(String[] args) {3        System.out.println(ComputeClassWriter.typeImplements("Test", "java/io/Serializable"));4    }5}6public class Test extends Object {7    public static void main(String[] args) {8        System.out.println(ComputeClassWriter.typeExtends("Test", "java/lang/Object"));9    }10}11public class Test extends String {12    public static void main(String[] args) {13        System.out.println(ComputeClassWriter.typeExtends("Test", "java/lang/String"));14    }15}16public class Test extends String {17    public static void main(String[] args) {18        System.out.println(ComputeClassWriter.typeExtends("Test", "java/lang/Object"));19    }20}21public class Test extends String {22    public static void main(String[] args) {23        System.out.println(ComputeClassWriter.typeExtends("Test", "java/lang/CharSequence"));24    }25}

typeImplements

Using AI Code Generation

1import java.lang.reflect.Modifier;2public class ClassImplementsInterface {3    public static void main(String[] args) throws ClassNotFoundException {4        String className = "java.util.ArrayList";5        String interfaceName = "java.util.List";6        Class<?> clazz = Class.forName(className);7        Class<?> interfaceClazz = Class.forName(interfaceName);8        System.out.println("Class " + className + " implements interface " + interfaceName + " = " + interfaceClazz.isAssignableFrom(clazz));9    }10}

typeImplements

Using AI Code Generation

1package org.evomaster.client.java.instrumentation;2import java.io.File;3import java.io.FileWriter;4import java.io.IOException;5import java.util.Arrays;6import java.util.List;7public class ComputeClassWriterExample {8    public static void main(String[] args) throws IOException {9        List<String> classNames = Arrays.asList("org.evomaster.client.java.instrumentation.ComputeClassWriterExample",

typeImplements

Using AI Code Generation

1import java.lang.reflect.Method;2import java.util.ArrayList;3import java.util.LinkedList;4import java.util.List;5import java.util.Stack;6import java.util.Vector;7import java.util.concurrent.CopyOnWriteArrayList;8public class Test {9    public static void main(String[] args) {10        List<String> list = new ArrayList<>();11        list.add("test");12        List<String> list2 = new LinkedList<>();13        list2.add("test");14        List<String> list3 = new Vector<>();15        list3.add("test");16        List<String> list4 = new Stack<>();17        list4.add("test");18        List<String> list5 = new CopyOnWriteArrayList<>();19        list5.add("test");20    }21    public static void add(List<String> list) {22        list.add("test");23    }24}25package java.util;26import org.evomaster.client.java.instrumentation.ComputeClassWriter;

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