package com.alibaba.druid.bvt.sql.eval;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.sql.visitor.SQLEvalVisitorUtils;
import com.alibaba.druid.util.JdbcConstants;
public class EvalMethodPowerTest extends TestCase {
public void test_reverse() throws Exception {
Assert.assertEquals(Math.pow(1, 2), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "power(1, 2)"));
Assert.assertEquals(Math.pow(3, 4), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "power(3, 4)"));
Assert.assertEquals(Math.pow(4, 5), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "pow(4, 5)"));
}
public void test_error() throws Exception {
Exception error = null;
try {
SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "pow()", 12L);
} catch (Exception e) {
error = e;
}
Assert.assertNotNull(error);
}
public void test_error_1() throws Exception {
Exception error = null;
try {
SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "pow(a,b)");
} catch (Exception e) {
error = e;
}
Assert.assertNotNull(error);
}
}