| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package groovy.lang; |
| |
| import groovy.test.GroovyTestCase; |
| import org.codehaus.groovy.runtime.InvokerHelper; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class MetaClassTest extends GroovyTestCase { |
| |
| public void testMetaClass() { |
| Class foo = String[].class; |
| System.out.println(foo + " name: " + foo.getName()); |
| |
| MetaClass metaClass = InvokerHelper.getMetaClass(this); |
| |
| assertTrue("got metaclass", metaClass != null); |
| |
| metaClass.invokeMethod(this, "doSomething", new Object[0]); |
| } |
| |
| public void testArray() { |
| String[] value = new String[]{"hello"}; |
| |
| MetaClass metaClass = InvokerHelper.getMetaClass(value); |
| |
| assertTrue("got metaclass", metaClass != null); |
| |
| metaClass.invokeMethod(value, "toString", new Object[0]); |
| } |
| |
| public void testString() { |
| String value = "hello"; |
| |
| MetaClass metaClass = InvokerHelper.getMetaClass(value); |
| |
| assertTrue("got metaclass", metaClass != null); |
| |
| Object answer = metaClass.invokeMethod(value, "toString", new Object[0]); |
| |
| assertEquals("hello", answer); |
| } |
| |
| public void testObject() { |
| Object value = new Object(); |
| |
| MetaClass metaClass = InvokerHelper.getMetaClass(value); |
| |
| assertTrue("got metaclass", metaClass != null); |
| |
| metaClass.invokeMethod(value, "toString", new Object[0]); |
| } |
| |
| public void testPublicField() { |
| DymmyClass dymmyClass = new DymmyClass(); |
| |
| MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass); |
| |
| assertEquals(metaClass.getProperty(dymmyClass, "x"), Integer.valueOf(0)); |
| assertEquals(metaClass.getProperty(dymmyClass, "y"), "none"); |
| |
| metaClass.setProperty(dymmyClass, "x", Integer.valueOf(25)); |
| assertEquals(dymmyClass.x, 25); |
| |
| metaClass.setProperty(dymmyClass, "y", "newvalue"); |
| assertEquals(dymmyClass.y, "newvalue"); |
| } |
| |
| public void testSetPropertyWithInt() { |
| DymmyClass dymmyClass = new DymmyClass(); |
| MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass); |
| metaClass.setProperty(dymmyClass, "anInt", Integer.valueOf(10)); |
| } |
| |
| public void testSetPropertyWithDoubleArray() { |
| DymmyClass dymmyClass = new DymmyClass(); |
| MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass); |
| Double[][] matrix2 = |
| { |
| { |
| new Double(35), new Double(50), new Double(120) |
| }, |
| { |
| new Double(75), new Double(80), new Double(150) |
| } |
| }; |
| metaClass.setProperty(dymmyClass, "matrix", matrix2); |
| metaClass.setProperty(dymmyClass, "matrix2", matrix2); |
| } |
| |
| public void testSetPropertyWithArray() { |
| DymmyClass dymmyClass = new DymmyClass(); |
| MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass); |
| |
| // test int[] |
| int[] ints = new int[]{ |
| 0, 1, 2, 3 |
| }; |
| metaClass.setProperty(dymmyClass, "ints", ints); |
| assertEquals(ints, metaClass.getProperty(dymmyClass, "ints")); |
| |
| // test Integer[] |
| Integer[] integers = new Integer[]{ |
| Integer.valueOf(0), Integer.valueOf(1), Integer.valueOf(2), Integer.valueOf(3) |
| }; |
| metaClass.setProperty(dymmyClass, "integers", integers); |
| assertEquals(integers, metaClass.getProperty(dymmyClass, "integers")); |
| } |
| |
| public void testSetPropertyWithList() { |
| DymmyClass dymmyClass = new DymmyClass(); |
| MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass); |
| |
| // test list |
| ArrayList list = new ArrayList(); |
| list.add(Integer.valueOf(120)); |
| list.add(Integer.valueOf(150)); |
| |
| // test int[] |
| metaClass.setProperty(dymmyClass, "ints", list); |
| |
| // test Integer[] |
| metaClass.setProperty(dymmyClass, "integers", list); |
| } |
| |
| public void testMetaMethodsOnlyAddedOnce() { |
| MetaClass metaClass = InvokerHelper.getMetaClass("some String"); |
| |
| List methods = metaClass.getMetaMethods(); |
| for (Iterator iter = methods.iterator(); iter.hasNext();) { |
| MetaMethod method = (MetaMethod) iter.next(); |
| int count = 0; |
| for (Iterator inner = methods.iterator(); inner.hasNext();) { |
| MetaMethod runner = (MetaMethod) inner.next(); |
| if (method.equals(runner)) { |
| System.out.println("runner = " + runner); |
| System.out.println("method = " + method); |
| count++; |
| } |
| } |
| assertEquals("count of Method " + method.getName(), 1, count); |
| } |
| |
| } |
| |
| |
| public void doSomething() { |
| System.out.println("Called doSomething()"); |
| } |
| } |
| |
| |
| class DymmyClass { |
| public int x = 0; |
| public String y = "none"; |
| |
| private int anInt; |
| private int[] ints; |
| private Integer[] integers; |
| double[][] matrix2; |
| Double[][] matrix; |
| |
| public Integer[] getIntegers() { |
| return integers; |
| } |
| |
| public void setIntegers(Integer[] integers) { |
| this.integers = integers; |
| } |
| |
| public int[] getInts() { |
| return ints; |
| } |
| |
| public void setInts(int[] ints) { |
| this.ints = ints; |
| } |
| |
| public int getAnInt() { |
| return anInt; |
| } |
| |
| public void setAnInt(int anInt) { |
| this.anInt = anInt; |
| } |
| |
| public void setMatrix(Double[][] matrix) { |
| this.matrix = matrix; |
| } |
| |
| public void setMatrix2(double[][] matrixReloaded) { |
| this.matrix2 = matrixReloaded; |
| } |
| |
| } |
| |