How to use isNull method of org.mockito.internal.util.reflection.InstanceField class

Best Mockito code snippet using org.mockito.internal.util.reflection.InstanceField.isNull

Source:Fields.java Github

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...76 */77 private static Filter<InstanceField> nullField() {78 return new Filter<InstanceField>() {79 public boolean isOut(InstanceField instanceField) {80 return instanceField.isNull();81 }82 };83 }84 public static class InstanceFields {85 private final Object instance;86 private final List<InstanceField> instanceFields;87 public InstanceFields(Object instance, List<InstanceField> instanceFields) {88 this.instance = instance;89 this.instanceFields = instanceFields;90 }91 public InstanceFields filter(Filter<InstanceField> withFilter) {92 return new InstanceFields(instance, ListUtil.filter(instanceFields, withFilter));93 }94 public InstanceFields notNull() {...

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isNull

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1public static Boolean isNullable(Object target, Field field) {2 if (field.trySetAccessible()) {3 try {4 return field.get(target) == null;5 } catch (IllegalAccessException e) {6 throw new MockitoException("Unable to access field '" + field.getName() + "'", e);7 }8 }9 return true;10 }11private static boolean isNullable(InstanceField field) {

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isNull

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1package com.example.mockito;2import org.mockito.internal.util.reflection.InstanceField;3public class MockitoIsNull {4 public static void main(String[] args) {5 InstanceField instanceField = new InstanceField();6 String s = null;7 System.out.println(instanceField.isNull(s));8 }9}

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isNull

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1package org.mockito.internal.util.reflection;2import java.lang.reflect.Field;3public class InstanceField {4 private final Object target;5 private final Field field;6 public InstanceField(Object target, Field field) {7 this.target = target;8 this.field = field;9 }10 public Object read() {11 try {12 return field.get(target);13 } catch (IllegalAccessException e) {14 throw new RuntimeException("Exception occurred while accessing field " + field.getName() + " on object " + target, e);15 }16 }17 public void write(Object value) {18 try {19 field.set(target, value);20 } catch (IllegalAccessException e) {21 throw new RuntimeException("Exception occurred while accessing field " + field.getName() + " on object " + target, e);22 }23 }24 public boolean isNull() {25 try {26 return field.get(target) == null;27 } catch (IllegalAccessException e) {28 throw new RuntimeException("Exception occurred while accessing field " + field.getName() + " on object " + target, e);29 }30 }31}32InstanceField field = new InstanceField(target, field);33boolean isNull = field.isNull();34field.write(null);

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