// cc StringTextComparisonTest Tests showing the differences between the String and Text classes
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.io.*;
import org.apache.hadoop.io.Text;
import org.junit.Test;
// vv StringTextComparisonTest
public class StringTextComparisonTest {
@Test
public void string() throws UnsupportedEncodingException {
String s = "\u0041\u00DF\u6771\uD801\uDC00";
assertThat(s.length(), is(5));
assertThat(s.getBytes("UTF-8").length, is(10));
assertThat(s.indexOf("\u0041"), is(0));
assertThat(s.indexOf("\u00DF"), is(1));
assertThat(s.indexOf("\u6771"), is(2));
assertThat(s.indexOf("\uD801\uDC00"), is(3));
assertThat(s.charAt(0), is('\u0041'));
assertThat(s.charAt(1), is('\u00DF'));
assertThat(s.charAt(2), is('\u6771'));
assertThat(s.charAt(3), is('\uD801'));
assertThat(s.charAt(4), is('\uDC00'));
assertThat(s.codePointAt(0), is(0x0041));
assertThat(s.codePointAt(1), is(0x00DF));
assertThat(s.codePointAt(2), is(0x6771));
assertThat(s.codePointAt(3), is(0x10400));
}
@Test
public void text() {
Text t = new Text("\u0041\u00DF\u6771\uD801\uDC00");
assertThat(t.getLength(), is(10));
assertThat(t.find("\u0041"), is(0));
assertThat(t.find("\u00DF"), is(1));
assertThat(t.find("\u6771"), is(3));
assertThat(t.find("\uD801\uDC00"), is(6));
assertThat(t.charAt(0), is(0x0041));
assertThat(t.charAt(1), is(0x00DF));
assertThat(t.charAt(3), is(0x6771));
assertThat(t.charAt(6), is(0x10400));
}
}
// ^^ StringTextComparisonTest