/*
 * 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.
 */

package freemarker.core;

import java.io.IOException;
import java.io.StringWriter;

import org.junit.internal.runners.JUnit38ClassRunner;
import org.junit.runner.RunWith;

import freemarker.cache.ClassTemplateLoader;
import freemarker.template.Configuration;
import freemarker.template.MalformedTemplateNameException;
import freemarker.template.TemplateNotFoundException;
import freemarker.test.CopyrightCommentRemoverTemplateLoader;
import freemarker.test.utility.FileTestCase;

@RunWith(JUnit38ClassRunner.class)
public class CanonicalFormTest extends FileTestCase {

    public CanonicalFormTest(String name) {
        super(name);
    }

    public void testMacrosCanonicalForm() throws Exception {
        assertCanonicalFormOf("cano-macros.ftl");
    }
    
    public void testIdentifierEscapingCanonicalForm() throws Exception {
        assertCanonicalFormOf("cano-identifier-escaping.ftl");
    }

    public void testAssignmentCanonicalForm() throws Exception {
        assertCanonicalFormOf("cano-assignments.ftl");
    }

    public void testBuiltInCanonicalForm() throws Exception {
        assertCanonicalFormOf("cano-builtins.ftl");
    }

    public void testStringLiteralInterpolationCanonicalForm() throws Exception {
        assertCanonicalFormOf("cano-strlitinterpolation.ftl");
    }
    
    private void assertCanonicalFormOf(String ftlFileName)
            throws TemplateNotFoundException, MalformedTemplateNameException, ParseException, IOException {
        Configuration cfg = new Configuration(Configuration.VERSION_2_3_22);
        cfg.setTemplateLoader(
                new CopyrightCommentRemoverTemplateLoader(
                        new ClassTemplateLoader(CanonicalFormTest.class, "")));
        StringWriter sw = new StringWriter();
        cfg.getTemplate(ftlFileName).dump(sw);

        assertExpectedFileEqualsString(ftlFileName + ".out", sw.toString());
    }

}