org.novelang.parser.unicode.UnicodeNamesTest.java Source code

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Here is the source code for org.novelang.parser.unicode.UnicodeNamesTest.java

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/*
 * Copyright (C) 2011 Laurent Caillette
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.novelang.parser.unicode;

import org.apache.commons.lang.CharUtils;
import org.junit.Test;
import static org.junit.Assert.assertEquals;

import org.novelang.logger.Logger;
import org.novelang.logger.LoggerFactory;
import org.novelang.outfit.TextTools;

/**
 * Tests for {@link UnicodeNames} basing on some well-known values.
 *
 * @author Laurent Caillette
 */
public class UnicodeNamesTest {

    @Test
    public void logSomeBasicCharacterRepresentations() {
        final int aCharacterAsInt = 'a';
        final String aCharacterAsHex = TextTools.to16ByteHex(aCharacterAsInt);
        LOGGER.info("\nThe 'a' letter", "\nAs int: ", aCharacterAsInt, "\nAs hex: ", aCharacterAsHex,
                "\nUnicode escaped: ", CharUtils.unicodeEscaped('a'));
    }

    @Test
    public void unicode16NameHasSpaces() {
        verify("LATIN_SMALL_LETTER_A", 'a');
    }

    @Test
    public void unicode16NameHasNoSpace() {
        verify("DIAERESIS", '\u00a8');
    }

    @Test
    public void unicode16NameHasHyphen() {
        verify("RIGHT-POINTING_DOUBLE_ANGLE_QUOTATION_MARK", '\u00bb');
    }

    @Test
    public void unicode16NameIsControl1() {
        verify("ESCAPE", '\u001b');
    }

    @Test
    public void unicode16NameIsControl2() {
        verify("CHARACTER_TABULATION", '\t');
    }

    @Test
    public void lastKnownValue() {
        verify("REPLACEMENT_CHARACTER", (char) 0xFFFD);
    }

    @Test
    public void smokeTestOnEveryCharacter() {
        final int totalCharacterCount = 256 * 256;
        for (int counter = totalCharacterCount - 256; counter < totalCharacterCount; counter++) {
            final char character = (char) counter;
            UnicodeNames.getPureName(character);
        }
    }

    // =======
    // Fixture
    // =======

    private static final Logger LOGGER = LoggerFactory.getLogger(UnicodeNamesTest.class);

    private static void verify(final String expected, final char character) {
        assertEquals(expected, UnicodeNames.getPureName(character));
    }

}