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How to use instantiateArray method of org.powermock.classloading.DeepCloner class

Best Powermock code snippet using org.powermock.classloading.DeepCloner.instantiateArray

Source:DeepCloner.java

...94	@SuppressWarnings("unchecked")95	private <T> T performClone(Class<T> targetClass, Object source, boolean shouldCloneStandardJavaTypes) {96		Object target = null;97		if (targetClass.isArray() && !isClass(source)) {98			return (T) instantiateArray(targetCL, targetClass, source, shouldCloneStandardJavaTypes);99		} else if (isJavaReflectMethod(targetClass)) {100			return (T) cloneJavaReflectMethod(source);101		} else if (targetClass.isPrimitive() || isSunClass(targetClass) || isJavaReflectClass(targetClass)) {102			return (T) source;103		} else if (isSerializableCandidate(targetClass, source)) {104			return (T) serializationClone(source);105		} else if (targetClass.isEnum()) {106			return (T) cloneEnum(targetCL, source);107		} else if (isClass(source)) {108			return (T) ClassLoaderUtil.loadClass(getType(source), targetCL);109		} else {110			target = isClass(source) ? source : Whitebox.newInstance(targetClass);111		}112		if (target != null) {113			referenceMap.put(source, target);114			cloneFields(targetCL, targetClass, source, target, referenceMap, shouldCloneStandardJavaTypes);115		}116		return (T) target;117	}118	private Object cloneJavaReflectMethod(Object source) {119		Method sourceMethod = (Method) source;120		Class<?> declaringClass = sourceMethod.getDeclaringClass();121		Class<?> targetClassLoadedWithTargetCL = ClassLoaderUtil.loadClass(declaringClass, targetCL);122		Method targetMethod = null;123		try {124			targetMethod = targetClassLoadedWithTargetCL.getDeclaredMethod(sourceMethod.getName(),125					sourceMethod.getParameterTypes());126		} catch (Exception e) {127			SafeExceptionRethrower.safeRethrow(e);128		}129		if (sourceMethod.isAccessible()) {130			targetMethod.setAccessible(true);131		}132		return targetMethod;133	}134	private boolean isJavaReflectMethod(Class<?> cls) {135		return cls.getName().equals(Method.class.getName());136	}137	private boolean isSunClass(Class<?> cls) {138		return cls.getName().startsWith("sun.");139	}140	private boolean isJavaReflectClass(Class<?> cls) {141		return cls.getName().startsWith("java.lang.reflect");142	}143	private <T> boolean isSerializableCandidate(Class<T> targetClass, Object source) {144		return isStandardJavaType(targetClass)145				&& (isSerializable(targetClass) || isImpliticlySerializable(targetClass))146				&& !Map.class.isAssignableFrom(source.getClass())147				&& !Iterable.class.isAssignableFrom(source.getClass());148	}149	private static boolean isImpliticlySerializable(Class<?> cls) {150		return cls.isPrimitive();151	}152	private static boolean isSerializable(Class<?> cls) {153		return Serializable.class.isAssignableFrom(cls);154	}155	/*156	 * Perform simple serialization157	 */158	private Object serializationClone(Object source) {159		ObjectOutputStream oos = null;160		ObjectInputStream ois = null;161		try {162			ByteArrayOutputStream bos = new ByteArrayOutputStream();163			oos = new ObjectOutputStream(bos);164			oos.writeObject(source);165			oos.flush();166			ByteArrayInputStream bin = new ByteArrayInputStream(bos.toByteArray());167			ois = new ObjectInputStream(bin);168			return ois.readObject();169		} catch (Exception e) {170			throw new RuntimeException(e);171		} finally {172			close(oos);173			close(ois);174		}175	}176	private void close(Closeable closeable) {177		try {178			if (closeable != null) {179				closeable.close();180			}181		} catch (IOException e) {182		}183	}184	@SuppressWarnings({ "unchecked", "rawtypes" })185	private Object cloneEnum(ClassLoader targetCL, Object source) {186		Object target;187		final Class enumClassLoadedByTargetCL = ClassLoaderUtil.loadClass(getType(source), targetCL);188		target = getEnumValue(source, enumClassLoadedByTargetCL);189		return target;190	}191	@SuppressWarnings("unchecked")192	private <T> void cloneFields(ClassLoader targetCL, Class<T> targetClass, Object source, Object target,193			Map<Object, Object> referenceMap, boolean cloneStandardJavaTypes) {194		Class<?> currentTargetClass = targetClass;195		while (currentTargetClass != null) {196			for (Field field : currentTargetClass.getDeclaredFields()) {197				if (field.getAnnotation(doNotClone) != null) {198					continue;199				}200				field.setAccessible(true);201				try {202					final Field declaredField = Whitebox.getField(getType(source), field.getName());203					declaredField.setAccessible(true);204					final Object object = declaredField.get(source);205					final Object instantiatedValue;206					if (object == source) {207						instantiatedValue = target;208					} else if (referenceMap.containsKey(object)) {209						instantiatedValue = referenceMap.get(object);210					} else {211						if (object == null && !isIterable(object)) {212							instantiatedValue = object;213						} else {214							Class<Object> type = getType(object);215							if (type.getName().equals("void")) {216								type = Class.class.cast(Class.class);217							}218							final Class<Object> typeLoadedByCL = ClassLoaderUtil.loadClass(type, targetCL219                            );220							if (type.isEnum()) {221								instantiatedValue = getEnumValue(object, typeLoadedByCL);222							} else {223								instantiatedValue = performClone(typeLoadedByCL, object, cloneStandardJavaTypes);224							}225						}226					}227					final boolean needsUnsafeWrite = field.isEnumConstant() || isStaticFinalModifier(field);228					if (needsUnsafeWrite) {229						UnsafeFieldWriter.write(field, target, instantiatedValue);230					} else {231						field.set(target, instantiatedValue);232					}233				} catch (RuntimeException e) {234					throw e;235				} catch (Exception e) {236					throw new RuntimeException(e);237				}238			}239			currentTargetClass = currentTargetClass.getSuperclass();240		}241	}242	private static <T> boolean isStandardJavaType(Class<T> targetClass) {243		return targetClass.getName().startsWith("java.");244	}245	private static boolean isStaticFinalModifier(final Field field) {246		final int modifiers = field.getModifiers();247		return Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)248				|| field.getDeclaringClass().equals(Character.class) && field.getName().equals("MIN_RADIX");249	}250	private static boolean isIterable(final Object object) {251		return object != null && isIterable(object.getClass());252	}253	private static boolean isIterable(final Class<?> cls) {254		return Iterable.class.isAssignableFrom(cls);255	}256	@SuppressWarnings({ "unchecked", "rawtypes" })257	private static Enum getEnumValue(final Object enumValueOfSourceClassloader,258			final Class<Object> enumTypeLoadedByTargetCL) {259		return Enum.valueOf((Class) enumTypeLoadedByTargetCL, ((Enum) enumValueOfSourceClassloader).toString());260	}261	private Object instantiateArray(ClassLoader targetCL, Class<?> arrayClass, Object objectToClone,262                                    boolean cloneStandardJavaTypes) {263		final int arrayLength = Array.getLength(objectToClone);264		final Object array = Array.newInstance(arrayClass.getComponentType(), arrayLength);265		for (int i = 0; i < arrayLength; i++) {266			final Object object = Array.get(objectToClone, i);267			final Object performClone;268			if (object == null) {269				performClone = null;270			} else {271				performClone = performClone(ClassLoaderUtil.loadClass(getType(object), targetCL),272						object, cloneStandardJavaTypes);273			}274			Array.set(array, i, performClone);275		}...

instantiateArray

Using AI Code Generation

1import org.powermock.classloading.DeepCloner2import groovy.transform.CompileStatic3import java.util.Arrays4import java.util.stream.Collectors5def instantiateArray(Class clazz, int length) {6    def array = Array.newInstance(clazz, length)7    return DeepCloner.clone(array)8}9def b = instantiateArray(Integer, 3)10assert a.getClass() == b.getClass()11assert a.size() == b.size()12assert Arrays.equals(a, b)13def d = instantiateArray(String, 3)14assert c.getClass() == d.getClass()15assert c.size() == d.size()16assert Arrays.equals(c, d)17def f = instantiateArray(Object, 6)18assert e.getClass() == f.getClass()19assert e.size() == f.size()20assert Arrays.equals(e, f)21def h = instantiateArray(Map.Entry, 3)22assert g.getClass() == h.getClass()23assert g.size() == h.size()24assert Arrays.equals(g, h)25def j = instantiateArray(Map.Entry, 3)26assert i.getClass() == j.getClass()27assert i.size() == j.size()28assert Arrays.equals(i, j)29def l = instantiateArray(int, 3)30assert k.getClass() != l.getClass()31assert k.size() == l.size()32assert Arrays.equals(k, l)33def n = instantiateArray(String, 3)34assert m.getClass() == n.getClass()35assert m.size() == n.size()36assert Arrays.equals(m, n)

instantiateArray

Using AI Code Generation

1import org.powermock.classloading.DeepCloner;2public class TestClass {3    public void testMethod() {4        String[] array = new String[]{"a", "b", "c"};5        String[] clonedArray = (String[]) DeepCloner.instantiateArray(array);6        methodThatTakesArrayAsParameter(clonedArray);7    }8    public void methodThatTakesArrayAsParameter(String[] array) {9    }10}11    at TestClass.testMethod(TestClass.java:7)12    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)13    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)14    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)15    at java.lang.reflect.Method.invoke(Method.java:498)16    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)17    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)18    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)19    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)20    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)21    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)22    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)23    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)24    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)25    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)26    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)27    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)28    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)

instantiateArray

Using AI Code Generation

1import org.powermock.api.support.membermodification.MemberModifier;2import org.powermock.classloading.DeepCloner;3import org.powermock.core.classloader.annotations.PrepareForTest;4import org.powermock.modules.junit4.PowerMockRunner;5import org.powermock.reflect.Whitebox;6import org.junit.Test;7import org.junit.runner.RunWith;8import static org.junit.Assert.assertArrayEquals;9import static org.junit.Assert.assertEquals;10import static org.junit.Assert.assertTrue;11import static org.junit.Assert.assertFalse;12import static org.junit.Assert.assertNotNull;13@RunWith(PowerMockRunner.class)14@PrepareForTest(DeepCloner.class)15public class DeepClonerTest {16    public void testInstantiateArray() throws Exception {17        Object[] array = new Object[3];18        array[0] = "one";19        array[1] = 2;20        array[2] = 3.0;21        Object[] clonedArray = (Object[]) Whitebox.invokeMethod(DeepCloner.class, "instantiateArray", array);22        assertNotNull(clonedArray);23        assertFalse(clonedArray == array);24        assertArrayEquals(array, clonedArray);25    }26}

instantiateArray

Using AI Code Generation

1public class PrimitiveObsession {2    private int[] array = { 1, 2, 3, 4, 5 };3    public int[] getArray() {4        return array;5    }6    public void setArray(int[] array) {7        this.array = array;8    }9}10public class PrimitiveObsessionTest {11    public void testPrimitiveObsession() throws Exception {12        PrimitiveObsession primitiveObsession = new PrimitiveObsession();13        int[] array = primitiveObsession.getArray();14        int[] arrayCopy = (int[]) DeepCloner.instantiateArray(array);15        array[0] = 100;16        assertEquals(1, arrayCopy[0]);17    }18}19    at org.junit.Assert.assertEquals(Assert.java:115)20    at org.junit.Assert.assertEquals(Assert.java:144)21    at com.jbrains.test.PrimitiveObsessionTest.testPrimitiveObsession(PrimitiveObsessionTest.java:19)

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