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

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

Source:WhiteboxImpl.java

...2466        copy(from, to, from.getClass());2467    }2468    private static<T> void copy(T from, T to, Class<?> fromClazz) {2469        while (fromClazz != Object.class) {2470            copyValues(from, to, fromClazz);2471            fromClazz = fromClazz.getSuperclass();2472        }2473    }2474    private static<T> void copyValues(T from, T mock, Class<?> classFrom) {2475        Field[] fields = classFrom.getDeclaredFields();2476        for (Field field : fields) {2477            // ignore static fields2478            if (Modifier.isStatic(field.getModifiers())) {2479                continue;2480            }2481            boolean accessible = field.isAccessible();2482            try {2483                field.setAccessible(true);2484                copyValue(from, mock, field);2485            } catch (Exception ignored) {2486                //Ignore - be lenient - if some field cannot be copied then let's be it2487            } finally {2488                field.setAccessible(accessible);2489            }2490        }2491    }2492    private static <T> void copyValue(T from, T to, Field field) throws IllegalAccessException {2493        Object value = field.get(from);2494        field.set(to, value);2495    }2496}...

copyValue

Using AI Code Generation

1package org.powermock.reflect.internal;2import java.lang.reflect.Method;3public class WhiteboxImpl {4    public static Object copyValue(Object from, Object to) throws Exception {5        Method copyValue = WhiteboxImpl.class.getDeclaredMethod("copyValue", Object.class, Object.class);6        copyValue.setAccessible(true);7        return copyValue.invoke(null, from, to);8    }9}10import org.powermock.reflect.internal.WhiteboxImpl;11public class Test {12    public static void main(String[] args) throws Exception {13        System.out.println(WhiteboxImpl.copyValue("Hello", new StringBuilder()));14    }15}

copyValue

Using AI Code Generation

1import static org.junit.Assert.assertEquals;2import static org.mockito.Mockito.when;3import java.lang.reflect.Field;4import java.util.HashMap;5import java.util.Map;6import org.junit.Before;7import org.junit.Test;8import org.junit.runner.RunWith;9import org.mockito.InjectMocks;10import org.mockito.Mock;11import org.mockito.runners.MockitoJUnitRunner;12import org.powermock.core.classloader.annotations.PrepareForTest;13import org.powermock.reflect.internal.WhiteboxImpl;14@RunWith(MockitoJUnitRunner.class)15@PrepareForTest(WhiteboxImpl.class)16public class WhiteboxImplTest {17    private WhiteboxImpl whiteboxImpl;18    private Field field1;19    private Field field2;20    private Map<String, String> fieldMap;21    public void setUp() {22        fieldMap = new HashMap<String, String>();23        fieldMap.put("field1", "value1");24        fieldMap.put("field2", "value2");25    }26    public void testCopyValue() throws Exception {27        when(field1.get("field1")).thenReturn(fieldMap.get("field1"));28        when(field2.get("field2")).thenReturn(fieldMap.get("field2"));29        assertEquals(fieldMap.get("field1"), field1.get("field1"));30        assertEquals(fieldMap.get("field2"), field2.get("field2"));31        whiteboxImpl.copyValue("field1", "field2", fieldMap);32        assertEquals(fieldMap.get("field1"), fieldMap.get("field2"));33    }34}35    at org.powermock.reflect.internal.WhiteboxImpl.copyValue(WhiteboxImpl.java:694)36    at org.powermock.reflect.internal.WhiteboxImplTest.testCopyValue(WhiteboxImplTest.java:52)37    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)38    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)39    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)40    at java.lang.reflect.Method.invoke(Method.java:498)

copyValue

Using AI Code Generation

1import org.powermock.reflect.internal.WhiteboxImpl;2public class Test {3    public static void main(String[] args) {4        A a = new A();5        B b = new B();6        a.setA(10);7        b.setB(20);8        WhiteboxImpl.copyValue(a, b);9        System.out.println(b.getB());10    }11}12class A {13    private int a;14    public void setA(int a) {15        this.a = a;16    }17    public int getA() {18        return a;19    }20}21class B {22    private int b;23    public void setB(int b) {24        this.b = b;25    }26    public int getB() {27        return b;28    }29}

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