/*
 * 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 org.junit.Test;

import freemarker.template.Configuration;
import freemarker.template.TemplateException;
import freemarker.test.TemplateTest;

public class UnclosedCommentTest extends TemplateTest {
    
    private static final String UNCLOSED_COMMENT_0 = "foo<#--";
    private static final String UNCLOSED_COMMENT_1 = "foo<#-- ";
    private static final String UNCLOSED_COMMENT_2 = "foo<#--bar";
    private static final String UNCLOSED_COMMENT_3 = "foo\n<#--\n";

    private static final String UNCLOSED_NOPARSE_0 = "foo<#noparse>";
    private static final String UNCLOSED_NOPARSE_1 = "foo<#noparse> ";
    private static final String UNCLOSED_NOPARSE_2 = "foo<#noparse>bar";
    private static final String UNCLOSED_NOPARSE_3 = "foo\n<#noparse>\n";
    
    @Test
    public void testLegacyBehavior() throws IOException, TemplateException {
        setConfiguration(new Configuration(Configuration.VERSION_2_3_20));
        assertErrorContains(UNCLOSED_COMMENT_0, "end of file");
        assertOutput(UNCLOSED_COMMENT_1, "foo");
        assertOutput(UNCLOSED_COMMENT_2, "foo");
        assertOutput(UNCLOSED_COMMENT_3, "foo\n");
        assertErrorContains(UNCLOSED_NOPARSE_0, "end of file");
        assertOutput(UNCLOSED_NOPARSE_1, "foo");
        assertOutput(UNCLOSED_NOPARSE_2, "foo");
        assertOutput(UNCLOSED_NOPARSE_3, "foo\n");
    }

    @Test
    public void testFixedBehavior() throws IOException, TemplateException {
        setConfiguration(new Configuration(Configuration.VERSION_2_3_21));
        assertErrorContains(UNCLOSED_COMMENT_0, "end of file");  // Not too good...
        assertErrorContains(UNCLOSED_COMMENT_1, "Unclosed", "<#--");
        assertErrorContains(UNCLOSED_COMMENT_2, "Unclosed", "<#--");
        assertErrorContains(UNCLOSED_COMMENT_3, "Unclosed", "<#--");
        assertErrorContains(UNCLOSED_NOPARSE_0, "end of file");  // Not too good...
        assertErrorContains(UNCLOSED_NOPARSE_1, "Unclosed", "#noparse");
        assertErrorContains(UNCLOSED_NOPARSE_2, "Unclosed", "#noparse");
        assertErrorContains(UNCLOSED_NOPARSE_3, "Unclosed", "#noparse");
    }
    
}