001 /* 002 * $Id: ASTMethodTest.java 1187867 2011-10-23 11:35:10Z simonetripodi $ 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 */ 020 package org.apache.commons.ognl.test; 021 022 import junit.framework.TestCase; 023 import org.apache.commons.ognl.*; 024 import org.apache.commons.ognl.enhance.ExpressionCompiler; 025 import org.apache.commons.ognl.test.objects.Bean2; 026 import org.apache.commons.ognl.test.objects.Bean3; 027 import org.apache.commons.ognl.test.objects.Root; 028 029 import java.util.Map; 030 031 /** 032 * Tests {@link org.apache.commons.ognl.ASTMethod}. 033 */ 034 public class ASTMethodTest 035 extends TestCase 036 { 037 038 public void test_Context_Types() 039 throws Throwable 040 { 041 ASTMethod p = new ASTMethod( 0 ); 042 p.setMethodName( "get" ); 043 044 ASTConst pRef = new ASTConst( 0 ); 045 pRef.setValue( "value" ); 046 p.jjtAddChild( pRef, 0 ); 047 048 Root root = new Root(); 049 050 OgnlContext context = (OgnlContext) Ognl.createDefaultContext( null ); 051 context.setRoot( root.getMap() ); 052 context.setCurrentObject( root.getMap() ); 053 context.setCurrentType( root.getMap().getClass() ); 054 055 assertEquals( p.toGetSourceString( context, root.getMap() ), ".get(\"value\")" ); 056 assertEquals( context.getCurrentType(), Object.class ); 057 assertEquals( root.getMap().get( "value" ), context.getCurrentObject() ); 058 assert Map.class.isAssignableFrom( context.getCurrentAccessor() ); 059 assert Map.class.isAssignableFrom( context.getPreviousType() ); 060 assert context.getPreviousAccessor() == null; 061 062 assertEquals( OgnlRuntime.getCompiler( context ).castExpression( context, p, ".get(\"value\")" ), ".get(\"value\")" ); 063 assert context.get( ExpressionCompiler.PRE_CAST ) == null; 064 065 // now test one context level further to see casting work properly on base object types 066 067 ASTProperty prop = new ASTProperty( 0 ); 068 ASTConst propRef = new ASTConst( 0 ); 069 propRef.setValue( "bean3" ); 070 prop.jjtAddChild( propRef, 0 ); 071 072 Bean2 val = (Bean2) root.getMap().get( "value" ); 073 074 assertEquals( prop.toGetSourceString( context, root.getMap().get( "value" ) ), ".getBean3()" ); 075 076 assertEquals( context.getCurrentObject(), val.getBean3() ); 077 assertEquals( context.getCurrentType(), Bean3.class ); 078 assertEquals( context.getCurrentAccessor(), Bean2.class ); 079 assertEquals( Object.class, context.getPreviousType() ); 080 assert Map.class.isAssignableFrom( context.getPreviousAccessor() ); 081 082 assertEquals( OgnlRuntime.getCompiler( context ).castExpression( context, prop, ".getBean3()" ), ").getBean3()" ); 083 084 } 085 }