jpa/org.eclipse.persistence.jpa.jpql/src/test/java/org/eclipse/persistence/jpa/tests/jpql/parser/FunctionExpressionTest.java

/*
 * Copyright (c) 2012, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation
//
package org.eclipse.persistence.jpa.tests.jpql.parser;

import org.eclipse.persistence.jpa.jpql.parser.Expression;

/**
 * Unit-tests for {@link org.eclipse.persistence.jpa.jpql.parser.FunctionExpression FunctionExpression}.
 * when the JPQL identifier is 'FUNCTION'.
 *
 * @version 2.5
 * @since 2.4
 * @author Pascal Filion
 */
@SuppressWarnings("nls")
public final class FunctionExpressionTest extends AbstractFunctionExpressionTest {

    @Override
    protected String functionName(int index) {
        switch (index) {
            case 0:  return "'NVC'";
            case 1:  return "'invalid";
            case 2:  return "''";
            default: return "'sql'";
        }
    }

    @Override
    protected String identifier(int index) {
        return Expression.FUNCTION;
    }
}