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Diffstat (limited to 'velocity-engine-core/src/test/java/org/apache/velocity/test/IndexTestCase.java')
| -rw-r--r-- | velocity-engine-core/src/test/java/org/apache/velocity/test/IndexTestCase.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/velocity-engine-core/src/test/java/org/apache/velocity/test/IndexTestCase.java b/velocity-engine-core/src/test/java/org/apache/velocity/test/IndexTestCase.java new file mode 100644 index 00000000..a585de7e --- /dev/null +++ b/velocity-engine-core/src/test/java/org/apache/velocity/test/IndexTestCase.java @@ -0,0 +1,171 @@ +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; + } + } +} |