/* * Copyright OpenSearch Contributors * SPDX-License-Identifier: Apache-2.0 */ package org.opensearch.dataprepper.expression; import org.antlr.v4.runtime.tree.ParseTreeWalker; import org.junit.jupiter.api.Test; import static org.hamcrest.CoreMatchers.isA; import static org.hamcrest.MatcherAssert.assertThat; class ParseTreeEvaluatorConfigurationTest { @Test void parseTreeWalker() { final ParseTreeEvaluatorConfiguration configuration = new ParseTreeEvaluatorConfiguration(); assertThat(configuration.parseTreeWalker(), isA(ParseTreeWalker.class)); } }