src/test/java/freemarker/core/ASTBasedErrorMessagesTest.java

/*
 * 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 freemarker.core;

import java.util.Map;

import org.junit.Test;

import freemarker.test.TemplateTest;

public class ASTBasedErrorMessagesTest extends TemplateTest {
    
    @Test
    public void testOverloadSelectionError() {
        assertErrorContains("${overloads.m(null)}", "2.3.21", "overloaded");
    }
    
    @Test
    public void testInvalidRefBasic() {
        assertErrorContains("${foo}", "foo", "specify a default");
        assertErrorContains("${map[foo]}", "foo", "\\!map[", "specify a default");
    }
    
    @Test
    public void testInvalidRefDollar() {
        assertErrorContains("${$x}", "$x", "must not start with \"$\"", "specify a default");
        assertErrorContains("${map.$x}", "map.$x", "must not start with \"$\"", "specify a default");
    }

    @Test
    public void testInvalidRefAfterDot() {
        assertErrorContains("${map.foo.bar}", "map.foo", "\\!foo.bar", "after the last dot", "specify a default");
    }

    @Test
    public void testInvalidRefInSquareBrackets() {
        assertErrorContains("${map['foo']}", "map", "final [] step", "specify a default");
    }

    @Test
    public void testInvalidRefSize() {
        assertErrorContains("${map.size()}", "map.size", "?size", "specify a default");
        assertErrorContains("${map.length()}", "map.length", "?length", "specify a default");
    }

    @Override
    protected Object createDataModel() {
        Map<String, Object> dataModel = createCommonTestValuesDataModel();
        dataModel.put("overloads", new Overloads());
        return dataModel;
    }
    
    public static class Overloads {
        
        @SuppressWarnings("unused")
        public void m(String s) {}
        
        @SuppressWarnings("unused")
        public void m(int i) {}
        
    }
    
}