diff -r 66e080030577 -r d382dacfd73f rt/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rt/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/ReflectionTest.java Tue Feb 26 16:54:16 2013 +0100 @@ -0,0 +1,242 @@ +/** + * Back 2 Browser Bytecode Translator + * Copyright (C) 2012 Jaroslav Tulach + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. Look for COPYING file in the top folder. + * If not, see http://opensource.org/licenses/GPL-2.0. + */ +package org.apidesign.bck2brwsr.tck; + +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.reflect.Method; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import org.apidesign.bck2brwsr.core.JavaScriptBody; +import org.apidesign.bck2brwsr.vmtest.Compare; +import org.apidesign.bck2brwsr.vmtest.VMTest; +import org.testng.annotations.Factory; + +/** + * + * @author Jaroslav Tulach + */ +public class ReflectionTest { + @Compare public boolean nonNullThis() { + return this == null; + } + + @Compare public String intType() { + return Integer.TYPE.toString(); + } + + @Compare public String voidType() throws Exception { + return void.class.toString(); + } + + @Compare public String longClass() { + return long.class.toString(); + } + + @Compare public boolean isRunnableInterface() { + return Runnable.class.isInterface(); + } + + @Compare public String isRunnableHasRunMethod() throws NoSuchMethodException { + return Runnable.class.getMethod("run").getName(); + } + + @Compare public String namesOfMethods() { + StringBuilder sb = new StringBuilder(); + String[] arr = new String[20]; + int i = 0; + for (Method m : StaticUse.class.getMethods()) { + arr[i++] = m.getName(); + } + for (String s : sort(arr, i)) { + sb.append(s).append("\n"); + } + return sb.toString(); + } + + @Compare public String namesOfDeclaringClassesOfMethods() { + StringBuilder sb = new StringBuilder(); + String[] arr = new String[20]; + int i = 0; + for (Method m : StaticUse.class.getMethods()) { + arr[i++] = m.getName() + "@" + m.getDeclaringClass().getName(); + } + for (String s : sort(arr, i)) { + sb.append(s).append("\n"); + } + return sb.toString(); + } + + @Compare public String cannotCallNonStaticMethodWithNull() throws Exception { + StaticUse.class.getMethod("instanceMethod").invoke(null); + return "should not happen"; + } + + @Compare public Object voidReturnType() throws Exception { + return StaticUse.class.getMethod("instanceMethod").getReturnType(); + } + + @Retention(RetentionPolicy.RUNTIME) + @interface Ann { + } + + @Compare public String annoClass() throws Exception { + Retention r = Ann.class.getAnnotation(Retention.class); + assert r != null : "Annotation is present"; + assert r.value() == RetentionPolicy.RUNTIME : "Policy value is OK: " + r.value(); + return r.annotationType().getName(); + } + + @Compare public boolean isAnnotation() { + return Ann.class.isAnnotation(); + } + @Compare public boolean isNotAnnotation() { + return String.class.isAnnotation(); + } + @Compare public boolean isNotAnnotationEnum() { + return E.class.isAnnotation(); + } + enum E { A, B }; + @Compare public boolean isEnum() { + return E.A.getClass().isEnum(); + } + + @Compare public boolean isNotEnum() { + return "".getClass().isEnum(); + } + + @Compare public String newInstanceFails() throws InstantiationException { + try { + return "success: " + StaticUse.class.newInstance(); + } catch (IllegalAccessException ex) { + return ex.getClass().getName(); + } + } + + @Compare public String paramTypes() throws Exception { + Method plus = StaticUse.class.getMethod("plus", int.class, Integer.TYPE); + final Class[] pt = plus.getParameterTypes(); + return pt[0].getName(); + } + @Compare public String paramTypesNotFound() throws Exception { + return StaticUse.class.getMethod("plus", int.class, double.class).toString(); + } + @Compare public int methodWithArgs() throws Exception { + Method plus = StaticUse.class.getMethod("plus", int.class, Integer.TYPE); + return (Integer)plus.invoke(null, 2, 3); + } + + @Compare public String classGetNameForByte() { + return byte.class.getName(); + } + @Compare public String classGetNameForBaseObject() { + return newObject().getClass().getName(); + } + @Compare public String classGetNameForJavaObject() { + return new Object().getClass().getName(); + } + @Compare public String classGetNameForObjectArray() { + return (new Object[3]).getClass().getName(); + } + @Compare public String classGetNameForSimpleIntArray() { + return (new int[3]).getClass().getName(); + } + @Compare public boolean sameClassGetNameForSimpleCharArray() { + return (new char[3]).getClass() == (new char[34]).getClass(); + } + @Compare public String classGetNameForMultiIntArray() { + return (new int[3][4][5][6][7][8][9]).getClass().getName(); + } + @Compare public String classGetNameForMultiIntArrayInner() { + final int[][][][][][][] arr = new int[3][4][5][6][7][8][9]; + int[][][][][][] subarr = arr[0]; + int[][][][][] subsubarr = subarr[0]; + return subsubarr.getClass().getName(); + } + @Compare public String classGetNameForMultiStringArray() { + return (new String[3][4][5][6][7][8][9]).getClass().getName(); + } + + @Compare public String classForByte() throws Exception { + return Class.forName("[Z").getName(); + } + + @Compare public String classForUnknownArray() { + try { + return Class.forName("[W").getName(); + } catch (Exception ex) { + return ex.getClass().getName(); + } + } + + @Compare public String classForUnknownDeepArray() { + try { + return Class.forName("[[[[[W").getName(); + } catch (Exception ex) { + return ex.getClass().getName(); + } + } + + @Compare public String componentGetNameForObjectArray() { + return (new Object[3]).getClass().getComponentType().getName(); + } + @Compare public boolean sameComponentGetNameForObjectArray() { + return (new Object[3]).getClass().getComponentType() == Object.class; + } + @Compare public String componentGetNameForSimpleIntArray() { + return (new int[3]).getClass().getComponentType().getName(); + } + @Compare public String componentGetNameForMultiIntArray() { + return (new int[3][4][5][6][7][8][9]).getClass().getComponentType().getName(); + } + @Compare public String componentGetNameForMultiStringArray() { + Class c = (new String[3][4][5][6][7][8][9]).getClass(); + StringBuilder sb = new StringBuilder(); + for (;;) { + sb.append(c.getName()).append("\n"); + c = c.getComponentType(); + if (c == null) { + break; + } + } + return sb.toString(); + } + + @Compare public boolean isArray() { + return new Object[0].getClass().isArray(); + } + + @JavaScriptBody(args = { "arr", "len" }, body="var a = arr.slice(0, len); a.sort(); return a;") + private static String[] sort(String[] arr, int len) { + List list = Arrays.asList(arr).subList(0, len); + Collections.sort(list); + return list.toArray(new String[0]); + } + + @JavaScriptBody(args = {}, body = "return new Object();") + private static Object newObject() { + return new Object(); + } + + @Factory + public static Object[] create() { + return VMTest.create(ReflectionTest.class); + } + +}