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 EvalMethodCosTest extends TestCase {
public void test_reverse() throws Exception {
Assert.assertEquals(Math.cos(1), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "cos(1)"));
Assert.assertEquals(Math.cos(1.001), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "cos(1.001)"));
Assert.assertEquals(Math.cos(0), SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "cos(0)"));
}
public void test_error() throws Exception {
Exception error = null;
try {
SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "cos()", 12L);
} catch (Exception e) {
error = e;
}
Assert.assertNotNull(error);
}
public void test_error_1() throws Exception {
Exception error = null;
try {
SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "cos(a)");
} catch (Exception e) {
error = e;
}
Assert.assertNotNull(error);
}
}