jaroslav@355
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/**
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* Back 2 Browser Bytecode Translator
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.bck2brwsr.tck;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import org.apidesign.bck2brwsr.core.JavaScriptBody;
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import org.apidesign.bck2brwsr.vmtest.Compare;
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import org.apidesign.bck2brwsr.vmtest.VMTest;
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import org.testng.annotations.Factory;
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/**
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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public class ReflectionTest {
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@Compare public boolean nonNullThis() {
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return this == null;
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}
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@Compare public String intType() {
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return Integer.TYPE.toString();
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}
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jaroslav@413
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@Compare public String voidType() throws Exception {
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return void.class.toString();
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}
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@Compare public String longClass() {
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return long.class.toString();
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}
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@Compare public boolean isRunnableInterface() {
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return Runnable.class.isInterface();
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}
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@Compare public String isRunnableHasRunMethod() throws NoSuchMethodException {
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return Runnable.class.getMethod("run").getName();
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}
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@Compare public String namesOfMethods() {
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StringBuilder sb = new StringBuilder();
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String[] arr = new String[20];
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int i = 0;
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for (Method m : StaticUse.class.getMethods()) {
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arr[i++] = m.getName();
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}
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for (String s : sort(arr, i)) {
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sb.append(s).append("\n");
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}
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return sb.toString();
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}
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@Compare public String namesOfDeclaringClassesOfMethods() {
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StringBuilder sb = new StringBuilder();
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String[] arr = new String[20];
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int i = 0;
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for (Method m : StaticUse.class.getMethods()) {
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arr[i++] = m.getName() + "@" + m.getDeclaringClass().getName();
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}
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for (String s : sort(arr, i)) {
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sb.append(s).append("\n");
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}
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return sb.toString();
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}
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@Compare public String cannotCallNonStaticMethodWithNull() throws Exception {
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StaticUse.class.getMethod("instanceMethod").invoke(null);
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return "should not happen";
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}
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@Compare public Object voidReturnType() throws Exception {
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return StaticUse.class.getMethod("instanceMethod").getReturnType();
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}
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@Retention(RetentionPolicy.RUNTIME)
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@interface Ann {
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}
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@Compare public String annoClass() throws Exception {
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Retention r = Ann.class.getAnnotation(Retention.class);
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assert r != null : "Annotation is present";
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assert r.value() == RetentionPolicy.RUNTIME : "Policy value is OK: " + r.value();
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return r.annotationType().getName();
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}
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@Compare public boolean isAnnotation() {
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return Ann.class.isAnnotation();
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}
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@Compare public boolean isNotAnnotation() {
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return String.class.isAnnotation();
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}
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@Compare public boolean isNotAnnotationEnum() {
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return E.class.isAnnotation();
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}
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enum E { A, B };
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@Compare public boolean isEnum() {
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return E.A.getClass().isEnum();
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}
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@Compare public boolean isNotEnum() {
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return "".getClass().isEnum();
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}
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@Compare public String newInstanceFails() throws InstantiationException {
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try {
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return "success: " + StaticUseSub.class.newInstance();
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} catch (IllegalAccessException ex) {
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return ex.getClass().getName();
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}
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}
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@Compare public String paramTypes() throws Exception {
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Method plus = StaticUse.class.getMethod("plus", int.class, Integer.TYPE);
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final Class[] pt = plus.getParameterTypes();
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return pt[0].getName();
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}
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@Compare public String paramTypesNotFound() throws Exception {
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return StaticUse.class.getMethod("plus", int.class, double.class).toString();
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}
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@Compare public int methodWithArgs() throws Exception {
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Method plus = StaticUse.class.getMethod("plus", int.class, Integer.TYPE);
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return (Integer)plus.invoke(null, 2, 3);
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}
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@Compare public String classGetNameForByte() {
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return byte.class.getName();
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}
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@Compare public String classGetNameForBaseObject() {
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return newObject().getClass().getName();
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}
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@Compare public String classGetNameForJavaObject() {
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return new Object().getClass().getName();
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}
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@Compare public String classGetNameForObjectArray() {
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return (new Object[3]).getClass().getName();
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}
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@Compare public String classGetNameForSimpleIntArray() {
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return (new int[3]).getClass().getName();
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}
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@Compare public boolean sameClassGetNameForSimpleCharArray() {
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return (new char[3]).getClass() == (new char[34]).getClass();
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}
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@Compare public String classGetNameForMultiIntArray() {
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return (new int[3][4][5][6][7][8][9]).getClass().getName();
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}
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@Compare public String classGetNameForMultiIntArrayInner() {
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final int[][][][][][][] arr = new int[3][4][5][6][7][8][9];
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int[][][][][][] subarr = arr[0];
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int[][][][][] subsubarr = subarr[0];
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return subsubarr.getClass().getName();
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}
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@Compare public String classGetNameForMultiStringArray() {
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return (new String[3][4][5][6][7][8][9]).getClass().getName();
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}
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@Compare public String classForByte() throws Exception {
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return Class.forName("[Z").getName();
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}
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@Compare public String classForUnknownArray() {
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try {
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return Class.forName("[W").getName();
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} catch (Exception ex) {
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return ex.getClass().getName();
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}
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}
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@Compare public String classForUnknownDeepArray() {
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try {
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return Class.forName("[[[[[W").getName();
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} catch (Exception ex) {
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return ex.getClass().getName();
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}
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}
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@Compare public String componentGetNameForObjectArray() {
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return (new Object[3]).getClass().getComponentType().getName();
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}
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@Compare public boolean sameComponentGetNameForObjectArray() {
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return (new Object[3]).getClass().getComponentType() == Object.class;
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}
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@Compare public String componentGetNameForSimpleIntArray() {
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return (new int[3]).getClass().getComponentType().getName();
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}
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@Compare public String componentGetNameForMultiIntArray() {
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return (new int[3][4][5][6][7][8][9]).getClass().getComponentType().getName();
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}
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@Compare public String componentGetNameForMultiStringArray() {
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Class<?> c = (new String[3][4][5][6][7][8][9]).getClass();
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StringBuilder sb = new StringBuilder();
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for (;;) {
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sb.append(c.getName()).append("\n");
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c = c.getComponentType();
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if (c == null) {
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break;
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}
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}
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return sb.toString();
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}
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@Compare public boolean isArray() {
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return new Object[0].getClass().isArray();
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}
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jaroslav@448
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jaroslav@392
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@JavaScriptBody(args = { "arr", "len" }, body="var a = arr.slice(0, len); a.sort(); return a;")
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private static String[] sort(String[] arr, int len) {
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List<String> list = Arrays.asList(arr).subList(0, len);
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Collections.sort(list);
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return list.toArray(new String[0]);
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}
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jaroslav@448
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@JavaScriptBody(args = {}, body = "return new Object();")
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private static Object newObject() {
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return new Object();
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}
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@Factory
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public static Object[] create() {
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return VMTest.create(ReflectionTest.class);
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}
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}
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