/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate licenses
* this file to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.operation.scalar.arithmetic;
import io.crate.operation.scalar.AbstractScalarFunctionsTest;
import org.junit.Test;
import static io.crate.testing.SymbolMatchers.isFunction;
import static io.crate.testing.SymbolMatchers.isLiteral;
public class AbsFunctionTest extends AbstractScalarFunctionsTest {
@Test
public void testAbs() throws Exception {
assertEvaluate("abs(-2)", 2L);
assertEvaluate("abs(-2.0)", 2.0);
assertEvaluate("abs(cast(-2 as integer))", 2);
assertEvaluate("abs(cast(-2.0 as float))", 2.0f);
assertEvaluate("abs(null)", null);
}
@Test
public void testWrongType() throws Exception {
expectedException.expectMessage("unknown function: abs(string)");
assertEvaluate("abs('foo')", null);
}
@Test
public void testNormalizeReference() throws Exception {
assertNormalize("abs(id)", isFunction("abs"));
}
@Test
public void testNormalizeNull() throws Exception {
assertNormalize("abs(null)", isLiteral(null));
}
}