jaroslav@355: /**
jaroslav@355:  * Back 2 Browser Bytecode Translator
jaroslav@355:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@355:  *
jaroslav@355:  * This program is free software: you can redistribute it and/or modify
jaroslav@355:  * it under the terms of the GNU General Public License as published by
jaroslav@355:  * the Free Software Foundation, version 2 of the License.
jaroslav@355:  *
jaroslav@355:  * This program is distributed in the hope that it will be useful,
jaroslav@355:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@355:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@355:  * GNU General Public License for more details.
jaroslav@355:  *
jaroslav@355:  * You should have received a copy of the GNU General Public License
jaroslav@355:  * along with this program. Look for COPYING file in the top folder.
jaroslav@355:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@355:  */
jaroslav@355: package org.apidesign.bck2brwsr.tck;
jaroslav@355: 
jaroslav@655: import java.lang.annotation.Retention;
jaroslav@655: import java.lang.annotation.RetentionPolicy;
jaroslav@392: import java.lang.reflect.Method;
jaroslav@392: import java.util.Arrays;
jaroslav@392: import java.util.Collections;
jaroslav@392: import java.util.List;
jaroslav@392: import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@355: import org.apidesign.bck2brwsr.vmtest.Compare;
jaroslav@355: import org.apidesign.bck2brwsr.vmtest.VMTest;
jaroslav@355: import org.testng.annotations.Factory;
jaroslav@355: 
jaroslav@355: /**
jaroslav@355:  *
jaroslav@355:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@355:  */
jaroslav@355: public class ReflectionTest {
jaroslav@412:     @Compare public boolean nonNullThis() {
jaroslav@412:         return this == null;
jaroslav@412:     }
jaroslav@412:     
jaroslav@355:     @Compare public String intType() {
jaroslav@355:         return Integer.TYPE.toString();
jaroslav@355:     }
jaroslav@355: 
jaroslav@413:     @Compare public String voidType() throws Exception {
jaroslav@413:         return void.class.toString();
jaroslav@413:     }
jaroslav@413: 
jaroslav@355:     @Compare public String longClass() {
jaroslav@355:         return long.class.toString();
jaroslav@355:     }
jaroslav@355:     
jaroslav@649:     @Compare public boolean isRunnableInterface() {
jaroslav@649:         return Runnable.class.isInterface();
jaroslav@649:     }
jaroslav@649: 
jaroslav@886:     @Compare public boolean isAssignableToPrimitiveType() {
jaroslav@886:         return boolean.class.isAssignableFrom(Runnable.class);
jaroslav@886:     }
jaroslav@886: 
jaroslav@886:     @Compare public boolean isAssignableFromPrimitiveType() {
jaroslav@886:         return Runnable.class.isAssignableFrom(boolean.class);
jaroslav@886:     }
jaroslav@886: 
jaroslav@886:     @Compare public boolean isAssignableLongFromInt() {
jaroslav@886:         return long.class.isAssignableFrom(int.class);
jaroslav@886:     }
jaroslav@886: 
jaroslav@886:     @Compare public boolean isAssignableIntFromLong() {
jaroslav@886:         return int.class.isAssignableFrom(long.class);
jaroslav@886:     }
jaroslav@886: 
jaroslav@649:     @Compare public String isRunnableHasRunMethod() throws NoSuchMethodException {
jaroslav@649:         return Runnable.class.getMethod("run").getName();
jaroslav@649:     }
jaroslav@1312: 
jaroslav@1312:     @Compare public String isRunnableDeclaresRunMethod() throws NoSuchMethodException {
jaroslav@1312:         return Runnable.class.getDeclaredMethod("run").getName();
jaroslav@1312:     }
jaroslav@649:     
jaroslav@392:     @Compare public String namesOfMethods() {
jaroslav@392:         StringBuilder sb = new StringBuilder();
jaroslav@392:         String[] arr = new String[20];
jaroslav@392:         int i = 0;
jaroslav@392:         for (Method m : StaticUse.class.getMethods()) {
jaroslav@392:             arr[i++] = m.getName();
jaroslav@392:         }
jaroslav@392:         for (String s : sort(arr, i)) {
jaroslav@392:             sb.append(s).append("\n");
jaroslav@392:         }
jaroslav@392:         return sb.toString();
jaroslav@392:     }
jaroslav@655: 
jaroslav@655:     @Compare public String namesOfDeclaringClassesOfMethods() {
jaroslav@655:         StringBuilder sb = new StringBuilder();
jaroslav@655:         String[] arr = new String[20];
jaroslav@655:         int i = 0;
jaroslav@655:         for (Method m : StaticUse.class.getMethods()) {
jaroslav@655:             arr[i++] = m.getName() + "@" + m.getDeclaringClass().getName();
jaroslav@655:         }
jaroslav@655:         for (String s : sort(arr, i)) {
jaroslav@655:             sb.append(s).append("\n");
jaroslav@655:         }
jaroslav@655:         return sb.toString();
jaroslav@655:     }
jaroslav@392:     
jaroslav@413:     @Compare public String cannotCallNonStaticMethodWithNull() throws Exception {
jaroslav@416:         StaticUse.class.getMethod("instanceMethod").invoke(null);
jaroslav@416:         return "should not happen";
jaroslav@416:     }
jaroslav@962:     
jaroslav@962:     @Compare public String classCastException() {
jaroslav@962:         try {
jaroslav@962:             Integer i = (Integer)StaticUseSub.getNonNull();
jaroslav@962:             return "" + i.intValue();
jaroslav@962:         } catch (ClassCastException ex) {
jaroslav@962:             return ex.getClass().getName();
jaroslav@962:         }
jaroslav@962:     }
jaroslav@416: 
jaroslav@938:     @Compare public String methodThatThrowsException() throws Exception {
jaroslav@938:         StaticUse.class.getMethod("instanceMethod").invoke(new StaticUse());
jaroslav@938:         return "should not happen";
jaroslav@938:     }
jaroslav@938: 
jaroslav@416:     @Compare public Object voidReturnType() throws Exception {
jaroslav@416:         return StaticUse.class.getMethod("instanceMethod").getReturnType();
jaroslav@413:     }
jaroslav@413:     
jaroslav@655:     @Retention(RetentionPolicy.RUNTIME)
jaroslav@655:     @interface Ann {
jaroslav@655:     }
jaroslav@655:     
jaroslav@655:     @Compare public String annoClass() throws Exception {
jaroslav@655:         Retention r = Ann.class.getAnnotation(Retention.class);
jaroslav@655:         assert r != null : "Annotation is present";
jaroslav@655:         assert r.value() == RetentionPolicy.RUNTIME : "Policy value is OK: " + r.value();
jaroslav@655:         return r.annotationType().getName();
jaroslav@655:     }
jaroslav@655:     
jaroslav@661:     @Compare public boolean isAnnotation() {
jaroslav@661:         return Ann.class.isAnnotation();
jaroslav@661:     }
jaroslav@661:     @Compare public boolean isNotAnnotation() {
jaroslav@661:         return String.class.isAnnotation();
jaroslav@661:     }
jaroslav@661:     @Compare public boolean isNotAnnotationEnum() {
jaroslav@661:         return E.class.isAnnotation();
jaroslav@661:     }
jaroslav@586:     enum E { A, B };
jaroslav@586:     @Compare public boolean isEnum() {
jaroslav@586:         return E.A.getClass().isEnum();
jaroslav@586:     }
jaroslav@586: 
jaroslav@586:     @Compare public boolean isNotEnum() {
jaroslav@586:         return "".getClass().isEnum();
jaroslav@586:     }
jaroslav@586:     
jaroslav@394:     @Compare public String newInstanceFails() throws InstantiationException {
jaroslav@394:         try {
jaroslav@775:             return "success: " + StaticUseSub.class.newInstance();
jaroslav@394:         } catch (IllegalAccessException ex) {
jaroslav@394:             return ex.getClass().getName();
jaroslav@394:         }
jaroslav@394:     }
jaroslav@394:     
jaroslav@418:     @Compare public String paramTypes() throws Exception {
jaroslav@418:         Method plus = StaticUse.class.getMethod("plus", int.class, Integer.TYPE);
jaroslav@418:         final Class[] pt = plus.getParameterTypes();
jaroslav@418:         return pt[0].getName();
jaroslav@418:     }
jaroslav@420:     @Compare public String paramTypesNotFound() throws Exception {
jaroslav@420:         return StaticUse.class.getMethod("plus", int.class, double.class).toString();
jaroslav@420:     }
jaroslav@418:     @Compare public int methodWithArgs() throws Exception {
jaroslav@418:         Method plus = StaticUse.class.getMethod("plus", int.class, Integer.TYPE);
jaroslav@418:         return (Integer)plus.invoke(null, 2, 3);
jaroslav@418:     }
jaroslav@418:     
jaroslav@448:     @Compare public String classGetNameForByte() {
jaroslav@448:          return byte.class.getName();
jaroslav@448:     }
jaroslav@448:     @Compare public String classGetNameForBaseObject() {
jaroslav@448:         return newObject().getClass().getName();
jaroslav@448:     }
jaroslav@448:     @Compare public String classGetNameForJavaObject() {
jaroslav@448:         return new Object().getClass().getName();
jaroslav@448:     }
jaroslav@448:     @Compare public String classGetNameForObjectArray() {
jaroslav@448:         return (new Object[3]).getClass().getName();
jaroslav@448:     }
jaroslav@448:     @Compare public String classGetNameForSimpleIntArray() {
jaroslav@448:         return (new int[3]).getClass().getName();
jaroslav@448:     }
jaroslav@448:     @Compare public boolean sameClassGetNameForSimpleCharArray() {
jaroslav@448:         return (new char[3]).getClass() == (new char[34]).getClass();
jaroslav@448:     }
jaroslav@448:     @Compare public String classGetNameForMultiIntArray() {
jaroslav@448:         return (new int[3][4][5][6][7][8][9]).getClass().getName();
jaroslav@448:     }
jaroslav@453:     @Compare public String classGetNameForMultiIntArrayInner() {
jaroslav@453:         final int[][][][][][][] arr = new int[3][4][5][6][7][8][9];
jaroslav@453:         int[][][][][][] subarr = arr[0];
jaroslav@453:         int[][][][][] subsubarr = subarr[0];
jaroslav@453:         return subsubarr.getClass().getName();
jaroslav@453:     }
jaroslav@448:     @Compare public String classGetNameForMultiStringArray() {
jaroslav@448:         return (new String[3][4][5][6][7][8][9]).getClass().getName();
jaroslav@448:     }
jaroslav@448:     
jaroslav@449:     @Compare public String classForByte() throws Exception {
jaroslav@449:         return Class.forName("[Z").getName();
jaroslav@449:     }
jaroslav@452: 
jaroslav@452:     @Compare public String classForUnknownArray() {
jaroslav@452:         try {
jaroslav@452:             return Class.forName("[W").getName();
jaroslav@452:         } catch (Exception ex) {
jaroslav@452:             return ex.getClass().getName();
jaroslav@452:         }
jaroslav@452:     }
jaroslav@452:     
jaroslav@452:     @Compare public String classForUnknownDeepArray() {
jaroslav@452:         try {
jaroslav@452:             return Class.forName("[[[[[W").getName();
jaroslav@452:         } catch (Exception ex) {
jaroslav@452:             return ex.getClass().getName();
jaroslav@452:         }
jaroslav@452:     }
jaroslav@449:     
jaroslav@449:     @Compare public String componentGetNameForObjectArray() {
jaroslav@449:         return (new Object[3]).getClass().getComponentType().getName();
jaroslav@449:     }
jaroslav@449:     @Compare public boolean sameComponentGetNameForObjectArray() {
jaroslav@449:         return (new Object[3]).getClass().getComponentType() == Object.class;
jaroslav@449:     }
jaroslav@449:     @Compare public String componentGetNameForSimpleIntArray() {
jaroslav@449:         return (new int[3]).getClass().getComponentType().getName();
jaroslav@449:     }
jaroslav@449:     @Compare public String componentGetNameForMultiIntArray() {
jaroslav@449:         return (new int[3][4][5][6][7][8][9]).getClass().getComponentType().getName();
jaroslav@449:     }
jaroslav@449:     @Compare public String componentGetNameForMultiStringArray() {
jaroslav@449:         Class<?> c = (new String[3][4][5][6][7][8][9]).getClass();
jaroslav@449:         StringBuilder sb = new StringBuilder();
jaroslav@449:         for (;;) {
jaroslav@449:             sb.append(c.getName()).append("\n");
jaroslav@449:             c = c.getComponentType();
jaroslav@449:             if (c == null) {
jaroslav@449:                 break;
jaroslav@449:             }
jaroslav@449:         }
jaroslav@449:         return sb.toString();
jaroslav@449:     }
jaroslav@449:     
jaroslav@448:     @Compare public boolean isArray() {
jaroslav@448:         return new Object[0].getClass().isArray();
jaroslav@448:     }
jaroslav@448:     
jaroslav@392:     @JavaScriptBody(args = { "arr", "len" }, body="var a = arr.slice(0, len); a.sort(); return a;")
jaroslav@392:     private static String[] sort(String[] arr, int len) {
jaroslav@392:         List<String> list = Arrays.asList(arr).subList(0, len);
jaroslav@392:         Collections.sort(list);
jaroslav@392:         return list.toArray(new String[0]);
jaroslav@392:     }
jaroslav@355:     
jaroslav@448:     @JavaScriptBody(args = {}, body = "return new Object();")
jaroslav@448:     private static Object newObject() {
jaroslav@448:         return new Object();
jaroslav@448:     }
jaroslav@448:     
jaroslav@355:     @Factory
jaroslav@355:     public static Object[] create() {
jaroslav@355:         return VMTest.create(ReflectionTest.class);
jaroslav@355:     }
jaroslav@355:     
jaroslav@355: }