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 EvalMethodAtanTest extends TestCase {
public void test_reverse() throws Exception {
Assert.assertEquals(Math.atan(2), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "atan(2)"));
Assert.assertEquals(Math.atan(-2), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "atan(-2)"));
}
public void test_abs_error() throws Exception {
Exception error = null;
try {
SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "atan()", 12L);
} catch (Exception e) {
error = e;
}
Assert.assertNotNull(error);
}
public void test_abs_error_1() throws Exception {
Exception error = null;
try {
SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "atan(a)");
} catch (Exception e) {
error = e;
}
Assert.assertNotNull(error);
}
}