/*
* [The "BSD license"]
* Copyright (c) 2011 Terence Parr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.stringtemplate.v4.test;
import org.junit.Test;
import org.stringtemplate.v4.ST;
import org.stringtemplate.v4.STGroup;
import org.stringtemplate.v4.STGroupString;
import static org.junit.Assert.assertEquals;
/** */
public class TestAggregates extends BaseTest {
@Test public void testApplyAnonymousTemplateToAggregateAttribute() throws Exception {
ST st =
new ST("<items:{it|<it.id>: <it.lastName>, <it.firstName>\n}>");
// also testing wacky spaces in aggregate spec
st.addAggr("items.{ firstName ,lastName, id }", "Ter", "Parr", 99);
st.addAggr("items.{firstName, lastName ,id}", "Tom", "Burns", 34);
String expecting =
"99: Parr, Ter"+newline +
"34: Burns, Tom"+newline;
assertEquals(expecting, st.render());
}
public static class Decl {
String name;
String type;
public Decl(String name, String type) {this.name=name; this.type=type;}
public String getName() {return name;}
public String getType() {return type;}
}
@Test public void testComplicatedIndirectTemplateApplication() throws Exception {
String templates =
"group Java;"+newline +
""+newline +
"file(variables) ::= <<\n" +
"<variables:{ v | <v.decl:(v.format)()>}; separator=\"\\n\">"+newline +
">>"+newline+
"intdecl(decl) ::= \"int <decl.name> = 0;\""+newline +
"intarray(decl) ::= \"int[] <decl.name> = null;\""+newline
;
STGroup group = new STGroupString(templates);
ST f = group.getInstanceOf("file");
f.addAggr("variables.{ decl,format }", new Decl("i", "int"), "intdecl");
f.addAggr("variables.{decl , format}", new Decl("a", "int-array"), "intarray");
//System.out.println("f='"+f+"'");
String expecting = "int i = 0;" +newline+
"int[] a = null;";
assertEquals(expecting, f.render());
}
}