| /* |
| * Copyright (c) 2006, 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.junit.Test; |
| import static org.eclipse.persistence.jpa.tests.jpql.parser.JPQLParserTester.*; |
| |
| @SuppressWarnings("nls") |
| public final class EmptyCollectionComparisonExpressionTest extends JPQLParserTest { |
| |
| @Test |
| public void test_JPQLQuery_01() { |
| |
| String query = "SELECT e FROM Employee e WHERE e.addresses IS EMPTY"; |
| |
| SelectStatementTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e"), |
| where(collectionPath("e.addresses").isEmpty()) |
| ); |
| |
| testQuery(query, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_02() { |
| |
| String query = "SELECT e FROM Employee e WHERE e.addresses IS NOT EMPTY"; |
| |
| SelectStatementTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e"), |
| where(collectionPath("e.addresses").isNotEmpty()) |
| ); |
| |
| testQuery(query, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_03() { |
| |
| String query = "SELECT e FROM Employee e WHERE IS EMPTY"; |
| |
| SelectStatementTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e"), |
| where(nullExpression().isEmpty()) |
| ); |
| |
| testQuery(query, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_04() { |
| |
| String query = "SELECT e FROM Employee e WHERE IS NOT EMPTY"; |
| |
| SelectStatementTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e"), |
| where(nullExpression().isNotEmpty()) |
| ); |
| |
| testQuery(query, selectStatement); |
| } |
| } |