/*
* Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky
*
* Licensed 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.io.IOException;
import org.junit.Test;
import freemarker.template.Configuration;
import freemarker.template.TemplateException;
import freemarker.test.TemplateTest;
public class WhitespaceStrippingTest extends TemplateTest {
private final Configuration cfgStripWS = new Configuration(Configuration.VERSION_2_3_21);
private final Configuration cfgNoStripWS = new Configuration(Configuration.VERSION_2_3_21);
{
cfgNoStripWS.setWhitespaceStripping(false);
}
@Test
public void testBasics() throws Exception {
assertOutput("<#assign x = 1>\n<#assign y = 2>\n${x}\n${y}", "1\n2", "\n\n1\n2");
assertOutput(" <#assign x = 1> \n <#assign y = 2> \n${x}\n${y}", "1\n2", " \n \n1\n2");
}
@Test
public void testFTLHeader() throws Exception {
assertOutput("<#ftl>x", "x", "x");
assertOutput(" <#ftl> x", " x", " x");
assertOutput("\n<#ftl>\nx", "x", "x");
assertOutput("\n<#ftl>\t \nx", "x", "x");
assertOutput(" \n \n <#ftl> \n \n x", " \n x", " \n x");
}
@Test
public void testComment() throws Exception {
assertOutput(" a <#-- --> b ", " a b ", " a b ");
assertOutput(" a \n<#-- -->\n b ", " a \n b ", " a \n\n b ");
// These are wrong, but needed for 2.3.0 compatibility:
assertOutput(" a \n <#-- --> \n b ", " a \n b ", " a \n \n b ");
assertOutput(" a \n\t<#-- --> \n b ", " a \n\t b ", " a \n\t \n b ");
}
private void assertOutput(String ftl, String expectedOutStripped, String expectedOutNonStripped)
throws IOException, TemplateException {
setConfiguration(cfgStripWS);
assertOutput(ftl, expectedOutStripped);
setConfiguration(cfgNoStripWS);
assertOutput(ftl, expectedOutNonStripped);
}
}