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package data.io.csv;
import static org.junit.Assert.*;
import java.io.IOException;
import java.io.StringReader;
import java.util.Iterator;
import org.junit.Test;
import data.MVDataEntry;
public class CSVDataReaderTest {
@Test
public void testNext() throws IOException {
CSVDataReader reader = new CSVDataReader(
"testNext",
new StringReader(CSVDataReader.CSV_DEMO),
false
);
MVDataEntry expected[] = new MVDataEntry[3];
expected[0]=new MVDataEntry("line1");
expected[0].splitAndPut("from", "csv1;csv1bis", ";");
expected[0].splitAndPut("attr2","csv1",";");
expected[1]=new MVDataEntry("line2");
expected[1].splitAndPut("hello", "all;the;world", ";");
expected[2]=new MVDataEntry("line3");
expected[2].splitAndPut("hello", "all;the;others", ";");
// Test twice to check if asking a new iterator "rewinds" correctly
for (int i=0;i<2;i++) {
System.out.println("Loop " + (i+1));
Iterator<MVDataEntry> readerIt = reader.iterator();
for ( MVDataEntry e: expected) {
assertTrue(readerIt.hasNext());
MVDataEntry r = readerIt.next();
System.out.println(e + " / " + r);
assertEquals(e, r);
}
assertFalse(readerIt.hasNext());
}
}
}
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