package cn.org.rapid_framework.jdbc.dialect;
import junit.framework.Assert;
import org.junit.Test;
public class DerbyDialectTest {
Dialect dialect = new DerbyDialect();
@Test(expected=UnsupportedOperationException.class)
public void getLimitString() {
Assert.assertEquals("", dialect.getLimitString("select * from user", 0, 0));
Assert.assertEquals("", dialect.getLimitString("select * from user", 0, 12));
Assert.assertEquals("", dialect.getLimitString("select * from user", 12, 0));
Assert.assertEquals("", dialect.getLimitString("select * from user", 12, 34));
}
@Test(expected=UnsupportedOperationException.class)
public void getLimitStringWithPlaceHolader() {
String OFFSET = ":offset";
String LIMIT = ":limit";
Assert.assertEquals("select * from user limit :limit", dialect.getLimitString("select * from user", 0,OFFSET, 0,LIMIT));
Assert.assertEquals("select * from user limit :limit", dialect.getLimitString("select * from user", 0,OFFSET,12,LIMIT));
Assert.assertEquals("select * from user limit :offset,:limit", dialect.getLimitString("select * from user", 12, OFFSET,0,LIMIT));
Assert.assertEquals("select * from user limit :offset,:limit", dialect.getLimitString("select * from user", 12,OFFSET, 34,LIMIT));
}
}