ConvertUtilsTest.java

package sample.util;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;

import java.math.BigDecimal;

import org.junit.Test;

public class ConvertUtilsTest {

    @Test
    public void 例外無視変換() {
        assertThat(ConvertUtils.quietlyLong("8"), is(8L));
        assertNull(ConvertUtils.quietlyLong("a"));
        assertThat(ConvertUtils.quietlyInt("8"), is(8));
        assertNull(ConvertUtils.quietlyInt("a"));
        assertThat(ConvertUtils.quietlyDecimal("8.3"), is(new BigDecimal("8.3")));
        assertNull(ConvertUtils.quietlyDecimal("a"));
        assertTrue(ConvertUtils.quietlyBool("true"));
        assertFalse(ConvertUtils.quietlyBool("a"));
    }

    @Test
    public void 文字列変換() {
        assertThat(ConvertUtils.zenkakuToHan("aA19ａＡ１９あアｱ"), is("aA19aA19あｱｱ"));
        assertThat(ConvertUtils.hankakuToZen("aA19ａＡ１９あアｱ"), is("ａＡ１９ａＡ１９あアア"));
        assertThat(ConvertUtils.katakanaToHira("aA19ａＡ１９あアｱ"), is("aA19ａＡ１９あああ"));
        assertThat(ConvertUtils.hiraganaToZenKana("aA19ａＡ１９あアｱ"), is("aA19ａＡ１９アアア"));
        assertThat(ConvertUtils.hiraganaToHanKana("aA19ａＡ１９あアｱ"), is("aA19aA19ｱｱｱ"));
    }

    @Test
    public void 桁数操作及びサロゲートペア対応() {
        assertThat(ConvertUtils.substring("あ𠮷い", 0, 3), is("あ𠮷い"));
        assertThat(ConvertUtils.substring("あ𠮷い", 1, 2), is("𠮷"));
        assertThat(ConvertUtils.substring("あ𠮷い", 1, 3), is("𠮷い"));
        assertThat(ConvertUtils.substring("あ𠮷い", 2, 3), is("い"));
        assertThat(ConvertUtils.left("あ𠮷い", 2), is("あ𠮷"));
        assertThat(ConvertUtils.leftStrict("あ𠮷い", 6, "UTF-8"), is("あ𠮷"));
    }
}