Best Mockito code snippet using org.mockito.internal.util.JavaEightUtil.getStaticFieldValue
Source:JavaEightUtil.java
...115 // no need for double-checked locking116 if (emptyDuration != null) {117 return emptyDuration;118 }119 return emptyDuration = getStaticFieldValue("java.time.Duration", "ZERO");120 }121 /**122 * Creates an empty Period using reflection to stay backwards-compatible with older JDKs.123 *124 * @return an empty (ZERO) Period.125 */126 public static Object emptyPeriod() {127 // no need for double-checked locking128 if (emptyPeriod != null) {129 return emptyPeriod;130 }131 return emptyPeriod = getStaticFieldValue("java.time.Period", "ZERO");132 }133 /**134 * Invokes a nullary static factory method using reflection to stay backwards-compatible with older JDKs.135 *136 * @param fqcn The fully qualified class name of the type to be produced.137 * @param methodName The name of the factory method.138 * @return the object produced.139 */140 private static Object invokeNullaryFactoryMethod(final String fqcn, final String methodName) {141 try {142 final Method method = getMethod(fqcn, methodName);143 return method.invoke(null);144 // any exception is really unexpected since the type name has145 // already been verified146 } catch (final Exception e) {147 throw new InstantiationException(148 String.format("Could not create %s#%s(): %s", fqcn, methodName, e), e);149 }150 }151 /**152 * Gets a value of the classes' field using reflection to stay backwards-compatible with older JDKs.153 *154 * @param fqcn The fully qualified class name of the type to be produced.155 * @param fieldName The name of th classes' field which value is going to be returned.156 * @return the restored value.157 */158 private static Object getStaticFieldValue(final String fqcn, final String fieldName) {159 try {160 final Class<?> type = getClass(fqcn);161 final Field field = type.getField(fieldName);162 return field.get(null);163 // any exception is really unexpected since the type name has164 // already been verified165 } catch (Exception e) {166 throw new InstantiationException(167 String.format("Could not get %s#%s(): %s", fqcn, fieldName, e), e);168 }169 }170 /**171 * Returns the {@code Class} object associated with the class or interface with the given string name.172 *...
getStaticFieldValue
Using AI Code Generation
1public static Object getStaticFieldValue(Field field) {2 try {3 return field.get(null);4 } catch (IllegalAccessException e) {5 throw new RuntimeException(e);6 }7 }8public void testGetStaticFieldValueInJava5() throws Exception {9 Class<?> clazz = Class.forName("org.mockito.internal.util.JavaFiveUtil");10 Method method = clazz.getDeclaredMethod("getStaticFieldValue", Field.class);11 method.setAccessible(true);12 Object fieldValue = method.invoke(null, clazz.getDeclaredField("STATIC_FIELD"));13 Object expectedFieldValue = clazz.getDeclaredField("STATIC_FIELD").get(null);14 assertEquals(expectedFieldValue, fieldValue);15}16public void testGetStaticFieldValueInJava6() throws Exception {17 Class<?> clazz = Class.forName("org.mockito.internal.util.JavaSixUtil");18 Method method = clazz.getDeclaredMethod("getStaticFieldValue", Field.class);19 method.setAccessible(true);20 Object fieldValue = method.invoke(null, clazz.getDeclaredField("STATIC_FIELD"));21 Object expectedFieldValue = clazz.getDeclaredField("STATIC_FIELD").get(null);
getStaticFieldValue
Using AI Code Generation
1package org.mockito.internal.util;2import org.mockito.internal.util.reflection.FieldReader;3import org.mockito.internal.util.reflection.LenientCopyTool;4import org.mockito.internal.util.reflection.LenientSetter;5import org.mockito.internal.util.reflection.LenientCopyTool.LenientCopyToolException;6import java.lang.reflect.Field;7import java.lang.reflect.Modifier;8import java.util.ArrayList;9import java.util.Arrays;10import java.util.Collection;11import java.util.List;12import static org.mockito.internal.util.reflection.FieldInitializer.initialize;13import static org.mockito.internal.util.reflection.LenientCopyTool.copy;14public class JavaEightUtil {15 private static final JavaEightUtil INSTANCE = new JavaEightUtil();16 private final FieldReader fieldReader;17 private final LenientSetter lenientSetter;18 private final LenientCopyTool lenientCopyTool;19 public static JavaEightUtil instance() {20 return INSTANCE;21 }22 public JavaEightUtil() {23 this(new FieldReader(), new LenientSetter(), new LenientCopyTool());24 }25 public JavaEightUtil(FieldReader fieldReader, LenientSetter lenientSetter, LenientCopyTool lenientCopyTool) {26 this.fieldReader = fieldReader;27 this.lenientSetter = lenientSetter;28 this.lenientCopyTool = lenientCopyTool;29 }30 public boolean isOptionalPresent(Object optional) {31 return (Boolean) fieldReader.readField("isPresent", optional);32 }33 public Object getOptionalValue(Object optional) {34 return fieldReader.readField("value", optional);35 }36 public boolean isFunctionPresent(Object function) {37 return (Boolean) fieldReader.readField("isPresent", function);38 }39 public Object applyFunction(Object function, Object arg) {40 return fieldReader.readField("value", function);41 }42 public <T> T copy(T original) {43 try {44 return lenientCopyTool.copy(original);45 } catch (LenientCopyToolException e) {46 throw new MockitoException("Failed to copy object", e);47 }48 }49 public <T> T copy(T original, Object target) {50 try {
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