1   package org.apache.velocity.test;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.    
20   */
21  
22  import org.apache.velocity.VelocityContext;
23  import org.apache.velocity.exception.MathException;
24  import org.apache.velocity.runtime.RuntimeConstants;
25  
26  /**
27   * This class tests support for string concatenation.
28   */
29  public class StringConcatenationTestCase extends BaseEvalTestCase
30  {
31      public StringConcatenationTestCase(String name)
32      {
33         super(name);
34      }
35  
36      public void setUp() throws Exception
37      {
38          super.setUp();
39          context.put("foo", "foo");
40          context.put("baz", "baz");
41      }
42  
43      public void testStringRefLeft()
44      {
45          assertEvalEquals("foobar", "#set( $o = $foo + 'bar' )$o");
46          assertEvalEquals("foo$bar", "#set( $o = $foo + $bar )$o");
47          assertEvalEquals("foo1", "#set( $o = $foo + 1 )$o");
48          assertEvalEquals("foobaz", "#set( $o = $foo + $baz )$o");
49      }
50  
51      public void testStringRefRight()
52      {
53          assertEvalEquals("barfoo", "#set( $o = 'bar' + $foo )$o");
54          assertEvalEquals("$barfoo", "#set( $o = $bar + $foo )$o");
55          assertEvalEquals("1foo", "#set( $o = 1 + $foo )$o");
56      }
57  
58      public void testNoRef()
59      {
60          assertEvalEquals("bar1", "#set( $o = 'bar' + 1 )$o");
61      }
62  
63      public void testAll()
64      {
65          assertEvalEquals("foobar$bar1baz", "#set( $o = $foo + 'bar' + $bar + 1 + $baz )$o");
66      }
67  
68  }