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

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

Source:FieldAccessor.java Github

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...44 boolean isStatic = (foundField.getModifiers() & Modifier.STATIC) == Modifier.STATIC;45 if (isStatic) {46 setStaticFieldUsingUnsafe(foundField, value);47 } else {48 setFieldUsingUnsafe(foundField, object, value);49 }50 }51 private static void setStaticFieldUsingUnsafe(final Field field, final Object newValue) {52 try {53 field.setAccessible(true);54 int fieldModifiersMask = field.getModifiers();55 boolean isFinalModifierPresent = (fieldModifiersMask & Modifier.FINAL) == Modifier.FINAL;56 if (isFinalModifierPresent) {57 AccessController.doPrivileged((PrivilegedAction<Object>) () -> {58 try {59 Unsafe unsafe = getUnsafe();60 long offset = unsafe.staticFieldOffset(field);61 Object base = unsafe.staticFieldBase(field);62 setFieldUsingUnsafe(base, field.getType(), offset, newValue, unsafe);63 return null;64 } catch (Throwable t) {65 throw new RuntimeException(t);66 }67 });68 } else {69 field.set(null, newValue);70 }71 } catch (SecurityException | IllegalAccessException | IllegalArgumentException ex) {72 throw new RuntimeException(ex);73 }74 }75 private static void setFieldUsingUnsafe(final Field field, final Object object, final Object newValue) {76 try {77 field.setAccessible(true);78 int fieldModifiersMask = field.getModifiers();79 boolean isFinalModifierPresent = (fieldModifiersMask & Modifier.FINAL) == Modifier.FINAL;80 if (isFinalModifierPresent) {81 AccessController.doPrivileged((PrivilegedAction<Object>) () -> {82 try {83 Unsafe unsafe = getUnsafe();84 long offset = unsafe.objectFieldOffset(field);85 setFieldUsingUnsafe(object, field.getType(), offset, newValue, unsafe);86 return null;87 } catch (Throwable t) {88 throw new RuntimeException(t);89 }90 });91 } else {92 try {93 field.set(object, newValue);94 } catch (IllegalAccessException ex) {95 throw new RuntimeException(ex);96 }97 }98 } catch (SecurityException ex) {99 throw new RuntimeException(ex);100 }101 }102 private static Unsafe getUnsafe() throws IllegalArgumentException, IllegalAccessException, NoSuchFieldException, SecurityException {103 Field field = Unsafe.class.getDeclaredField("theUnsafe");104 field.setAccessible(true);105 return (Unsafe) field.get(null);106 }107 private static void setFieldUsingUnsafe(Object base, Class type, long offset, Object newValue, Unsafe unsafe) {108 if (type == Integer.TYPE) {109 unsafe.putInt(base, offset, ((Integer) newValue));110 } else if (type == Short.TYPE) {111 unsafe.putShort(base, offset, ((Short) newValue));112 } else if (type == Long.TYPE) {113 unsafe.putLong(base, offset, ((Long) newValue));114 } else if (type == Byte.TYPE) {115 unsafe.putByte(base, offset, ((Byte) newValue));116 } else if (type == Boolean.TYPE) {117 unsafe.putBoolean(base, offset, ((Boolean) newValue));118 } else if (type == Float.TYPE) {119 unsafe.putFloat(base, offset, ((Float) newValue));120 } else if (type == Double.TYPE) {121 unsafe.putDouble(base, offset, ((Double) newValue));...

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setFieldUsingUnsafe

Using AI Code Generation

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1public class TestClass {2 public static void main(String[] args) {3 try {4 TestClass testClass = new TestClass();5 WhiteboxImpl whitebox = new WhiteboxImpl();6 whitebox.setFieldUsingUnsafe(testClass, "name", "test");7 System.out.println(testClass.name);8 } catch (Exception e) {9 e.printStackTrace();10 }11 }12 private String name;13}

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setFieldUsingUnsafe

Using AI Code Generation

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1WhiteboxImpl.setFieldUsingUnsafe("value", "field", "value");2WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "value");3WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "field", "value");4WhiteboxImpl.setFieldUsingUnsafe("value", "field", "value", "value");5WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "value", "value");6WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "field", "value", "value");7WhiteboxImpl.setFieldUsingUnsafe("value", "field", "value", "value", "value");8WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "value", "value", "value");9WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "field", "value", "value", "value");

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setFieldUsingUnsafe

Using AI Code Generation

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1 [javac] import sun.misc.Unsafe;2 [javac] import sun.reflect.ReflectionFactory;3 [javac] import sun.reflect.generics.reflectiveObjects.TypeVariableImpl;4 [javac] import sun.reflect.generics.repository.ClassRepository;5 [javac] import sun.reflect.generics.scope.ClassScope;6 [javac] import sun.reflect.generics.factory.CoreReflectionFactory;7 [javac] import sun.reflect.generics.parser.SignatureParser;

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setFieldUsingUnsafe

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1import org.junit.Test;2import org.junit.runner.RunWith;3import org.powermock.api.mockito.PowerMockito;4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.modules.junit4.PowerMockRunner;6import org.powermock.reflect.internal.WhiteboxImpl;7import static org.junit.Assert.assertEquals;8import static org.powermock.api.mockito.PowerMockito.mock;9@RunWith(PowerMockRunner.class)10@PrepareForTest({WhiteboxImpl.class})11public class TestClass {12 public void test() throws Exception {13 Object object = mock(Class.class);14 WhiteboxImpl.setFieldUsingUnsafe(object, "field", "value");15 String result = WhiteboxImpl.invokeMethod(object, "method");16 assertEquals("value", result);17 }18}

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