/*
 * Copyright 2002-present the original author or authors.
 *
 * Licensed 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
 *
 *      https://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.
 */

package org.springframework.expression.spel.standard;

import java.lang.reflect.Field;

import org.springframework.expression.Expression;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Tests utilities for {@link SpelExpression}.
 *
 * @author Stephane Nicoll
 */
public abstract class SpelExpressionTestUtils {

	public static void assertIsCompiled(Expression expression) {
		try {
			Field field = SpelExpression.class.getDeclaredField("compiledAst");
			field.setAccessible(true);
			Object object = field.get(expression);
			assertThat(object).isNotNull();
		}
		catch (Exception ex) {
			throw new AssertionError(ex.getMessage(), ex);
		}
	}

}
