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package org.apache.velocity.test;
/*
* 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.
*/
import org.apache.velocity.runtime.RuntimeConstants;
import java.util.ArrayList;
/**
* Test index syntax e.g, $foo[1]
*/
public class IndexTestCase extends BaseTestCase
{
public IndexTestCase(String name)
{
super(name);
//DEBUG = true;
}
@Override
public void setUp() throws Exception
{
super.setUp();
engine.setProperty(RuntimeConstants.RUNTIME_REFERENCES_STRICT, Boolean.TRUE);
context.put("NULL", null);
context.put("red", "blue");
int[] a = {1, 2, 3};
context.put("a", a);
String[] str = {"a", "ab", "abc"};
context.put("str", str);
ArrayList alist = new ArrayList();
alist.add(1);
alist.add(2);
alist.add(3);
alist.add(a);
alist.add(null);
context.put("alist", alist);
Foo foo = new Foo();
foo.bar = alist;
context.put("foo", foo);
Boo boo = new Boo();
context.put("boo", boo);
}
public void testCallingIndex()
{
assertEvalEquals("1 -3-", "$a[0] -$a[ 2 ]-");
assertEvalEquals("x21", "#set($i = 1)x$a[$i]1");
assertEvalEquals("3", "$a[ $a[ $a[0] ] ]");
assertEvalEquals("ab", "$str[1]");
assertEvalEquals("123", "$alist[0]$alist[1]$alist[2]");
assertEvalEquals("1][2-[3]", "$alist[0]][$alist[$a[0]]-[$alist[2]]");
assertEvalEquals("2", "$alist[3][1]");
assertEvalEquals("3 [1]", "$alist[2] [1]");
assertEvalEquals("4", "#set($bar = [3, 4, 5])$bar[1]");
assertEvalEquals("21", "#set($i = 1)#set($bar = [3, $a[$i], $a[0]])$bar[1]$bar[2]");
assertEvalEquals("2", "$foo.bar[1]");
assertEvalEquals("2", "$foo.getBar()[1]");
assertEvalEquals("2", "$foo.getBar()[3][1]");
assertEvalEquals(" a ab abc ", "#foreach($i in $foo.bar[3]) $str[$foreach.index] #end");
assertEvalEquals("apple", "#set($hash = {'a':'apple', 'b':'orange'})$hash['a']");
assertEvalEquals("xx ", "#if($alist[4] == $NULL)xx#end #if($alist[4])yy#end");
assertEvalEquals("BIG TRUEaBIG FALSE", "$foo[true]a$foo[false]");
assertEvalEquals("junk foobar ", "$foo[\"junk\"]");
assertEvalEquals("GOT NULL", "#set($i=$NULL)$boo[$i]");
assertEvalEquals("321", "$a[-1]$a[ -2]$a[-3 ]");
assertEvalEquals("67xx", "#set($hash={1:11, 5:67, 23:2})$hash[5]$!hash[6]#if(!$hash[1000])xx#end");
// Some cases that should be evaluated as text
assertEvalEquals("[]", "[]");
assertEvalEquals("$[]", "$[]");
assertEvalEquals("$.[]", "$.[]");
assertEvalEquals("$[1]", "$[1]");
assertEvalEquals("$[1]1", "$[1]1");
assertEvalEquals("$1[1]1", "$1[1]1");
assertEvalEquals("blue.[]", "$red.[]");
assertEvalEquals("blue[]", "${red}[]");
assertEvalEquals("blue][", "$red][");
assertEvalEquals("1[]", "${a[0]}[]");
assertEvalEquals("1a$[]", "$a[0]a$[]");
assertEvalEquals("$![]", "$![]");
assertEvalEquals("$\\![]", "$\\![]");
}
public void testIndexSetting()
{
assertEvalEquals("foo", "#set($str[1] = \"foo\")$str[1]");
assertEvalEquals("5150", "#set($alist[1] = 5150)$alist[1]");
assertEvalEquals("15", "$alist[3][0]#set($alist[3][0] = 5)$alist[3][0]");
assertEvalEquals("orange","#set($blaa = {\"apple\":\"grape\"})#set($blaa[\"apple\"] = \"orange\")$blaa[\"apple\"]");
assertEvalEquals("null","#set($str[0] = $NULL)#if($str[0] == $NULL)null#end");
assertEvalEquals("null","#set($blaa = {\"apple\":\"grape\"})#set($blaa[\"apple\"] = $NULL)#if($blaa[\"apple\"] == $NULL)null#end");
assertEvalEquals("2112", "#set($a[-1] = 2112)$a[2]");
assertEvalEquals("3344","#set($hash = {1:11, 2:22, 5:66})#set($hash[2]=33)#set($hash[3]=44)$hash[2]$hash[3]");
}
public void testErrorHandling()
{
assertEvalExceptionAt("$boo['throwex']", 1, 5);
assertEvalExceptionAt("$boo[]", 1, 6);
assertEvalExceptionAt("$boo[blaa]", 1, 6);
assertEvalExceptionAt("#set($foo[1] = 3)", 1, 10);
assertEvalExceptionAt("$a[500]", 1, 3);
}
public static class Foo
{
public Object bar = null;
public Object getBar()
{
return bar;
}
public String get(Boolean bool)
{
if (bool)
return "BIG TRUE";
else
return "BIG FALSE";
}
public String get(String str)
{
return str + " foobar ";
}
}
public static class Boo
{
public Object get(Object obj)
{
if (obj == null)
return "GOT NULL";
else if (obj.equals("throwex"))
throw new RuntimeException("Generated Exception");
return obj;
}
}
}
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