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How to use getField method of org.powermock.reflect.internal.WhiteboxImpl class

Best Powermock code snippet using org.powermock.reflect.internal.WhiteboxImpl.getField

Source:WhiteBoxGetFieldTest.java

...22import java.lang.reflect.Field;2324/**25 * A test case to demonstrate an issue26 * {@link org.powermock.reflect.internal.WhiteboxImpl#getField(Class, String)}.27 * As the class hierarchy for the given Class is ascended, if the field is not28 * found in the parent class, the interfaces are checked before the grandparent29 * class. The problem is that the getSuperclass() method will always return null30 * for the Class representing the interface. The current implementation of31 * WhiteboxImpl blindly adds this null to the <code>examine</code> LinkedList.32 * 33 * @author Ben Chatelain34 */35public class WhiteBoxGetFieldTest {3637	interface SomeInterface {38	}3940	class GrandParentClass {41		@SuppressWarnings("unused")42		private String fieldA;43	}4445	class ParentClass extends GrandParentClass {46	}4748	class ClassUnderTest extends ParentClass implements SomeInterface {49		@SuppressWarnings("unused")50		private String fieldB;51	}5253	/**54	 * Verifies that <a55	 * href="http://code.google.com/p/powermock/issues/detail?id=149">issue56	 * 149</a> has been resolved.57	 */58	@Test59	public void testGetField() {60		Field fieldA = WhiteboxImpl.getField(ClassUnderTest.class, "fieldA");61		Assert.assertNotNull(fieldA);62	}63}
...

Source:WhiteboxImplTest.java

...6465	@Test66	public void test4() throws Exception {67		Field c$foo = C.class.getDeclaredField("foo");68		aeq(c$foo, WhiteboxImpl.getField(D.class, "foo"));6970	}71}
...

getField

Using AI Code Generation

1package org.powermock.reflect.internal;2import java.lang.reflect.Field;3import java.lang.reflect.Method;4import java.util.Arrays;5import java.util.List;6import org.powermock.reflect.exceptions.FieldNotFoundException;7import org.powermock.reflect.exceptions.TooManyFieldsFoundException;8public class WhiteboxImpl extends Whitebox {9    public static Object getField(Object object, String fieldName) throws FieldNotFoundException, TooManyFieldsFoundException {10        List<Field> fields = getFields(object.getClass(), fieldName);11        if (fields.isEmpty()) {12            throw new FieldNotFoundException("No field with name " + fieldName + " was found in class " + object.getClass().getName());13        }14        if (fields.size() > 1) {15            throw new TooManyFieldsFoundException("Found more than one field with name " + fieldName + " in class " + object.getClass().getName());16        }17        Field field = fields.get(0);18        try {19            field.setAccessible(true);20            return field.get(object);21        } catch (IllegalAccessException e) {22            throw new RuntimeException("Failed to get value of field " + fieldName + " in class " + object.getClass().getName(), e);23        }24    }25    private static List<Field> getFields(Class<?> clazz, String fieldName) {26        List<Field> fields = Arrays.asList(clazz.getDeclaredFields());27        for (Field field : fields) {28            if (field.getName().equals(fieldName)) {29                return Arrays.asList(field);30            }31        }32        if (clazz.getSuperclass() != null) {33            List<Field> superFields = getFields(clazz.getSuperclass(), fieldName);34            if (!superFields.isEmpty()) {35                return superFields;36            }37        }38        return Arrays.asList();39    }40    public static void setField(Object object, String fieldName, Object value) throws FieldNotFoundException, TooManyFieldsFoundException {41        List<Field> fields = getFields(object.getClass(), fieldName);42        if (fields.isEmpty()) {43            throw new FieldNotFoundException("No field with name " + fieldName + " was found in class " + object.getClass().getName());44        }45        if (fields.size() > 1) {46            throw new TooManyFieldsFoundException("Found more than one field with name " + fieldName + " in class " + object.getClass().getName());47        }48        Field field = fields.get(0);49        try {50            field.setAccessible(true);51            field.set(object, value);52        } catch (IllegalAccessException e) {53            throw new RuntimeException("

getField

Using AI Code Generation

1import org.powermock.reflect.internal.WhiteboxImpl;2import java.lang.reflect.Field;3public class 4 {4    public static void main(String[] args) throws Exception {5        Field f = WhiteboxImpl.getField(4.class, "a");6        System.out.println(f);7    }8}9public class 4 {10    public static void main(String[] args) throws Exception {11        Field f = WhiteboxImpl.getField(4.class, "a");12        System.out.println(f);13    }14}15public class 4 {16    public static void main(String[] args) throws Exception {17        Field f = WhiteboxImpl.getField(4.class, "a");18        System.out.println(f);19    }20}21public class 4 {22    public static void main(String[] args) throws Exception {23        Field f = WhiteboxImpl.getField(4.class, "a");24        System.out.println(f);25    }26}27public class 4 {28    public static void main(String[] args) throws Exception {29        Field f = WhiteboxImpl.getField(4.class, "a");30        System.out.println(f);31    }32}33public class 4 {34    public static void main(String[] args) throws Exception {35        Field f = WhiteboxImpl.getField(4.class, "a");36        System.out.println(f);37    }38}39public class 4 {40    public static void main(String[] args) throws Exception {41        Field f = WhiteboxImpl.getField(4.class, "a");42        System.out.println(f);43    }44}45public class 4 {46    public static void main(String[] args) throws Exception {47        Field f = WhiteboxImpl.getField(4.class, "a");48        System.out.println(f);49    }50}51public class 4 {52    public static void main(String[] args) throws Exception {53        Field f = WhiteboxImpl.getField(4.class, "a");54        System.out.println(f);55    }56}57public class 4 {58    public static void main(String[] args) throws Exception {59        Field f = WhiteboxImpl.getField(4.class, "a");60        System.out.println(f);61    }62}63public class 4 {64    public static void main(String[] args) throws Exception {65        Field f = WhiteboxImpl.getField(4.class, "a");66        System.out.println(f);67    }68}69public class 4 {

getField

Using AI Code Generation

1package org.powermock.reflect.testclasses;2import java.lang.reflect.Field;3import org.powermock.reflect.internal.WhiteboxImpl;4public class ClassWithPrivateField {5    private String privateField = "privateField";6    public String getPrivateField() {7        return privateField;8    }9    public void setPrivateField(String privateField) {10        this.privateField = privateField;11    }12    public static void main(String[] args) throws Exception {13        ClassWithPrivateField obj = new ClassWithPrivateField();14        Field field = WhiteboxImpl.getField(ClassWithPrivateField.class, "privateField");15        field.setAccessible(true);16        field.set(obj, "changed");17        System.out.println(obj.getPrivateField());18    }19}

getField

Using AI Code Generation

1import java.lang.reflect.Field;2import org.powermock.reflect.internal.WhiteboxImpl;3public class 4 {4    public static void main(String[] args) throws Exception {5        A a = new A(5, 10);6        int x = (int) WhiteboxImpl.getField(A.class, "x").get(a);7        System.out.println("Value of field 'x' is: " + x);8        int y = (int) WhiteboxImpl.getField(A.class, "y").get(a);9        System.out.println("Value of field 'y' is: " + y);10    }11}12class A {13    private int x;14    private int y;15    public A(int x, int y) {16        this.x = x;17        this.y = y;18    }19}

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