content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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
   *
   *     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.
   */
  package org.activiti.core.el.juel.extensions;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import jakarta.el.ELException;
  import jakarta.el.ExpressionFactory;
  import jakarta.el.ValueExpression;
  import java.lang.reflect.Method;
  import org.activiti.core.el.juel.util.SimpleContext;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.Test;
  
  public class VarArgsTest {
  
      @AfterEach
      public void afterEach() {
          System.clearProperty("activiti.juel.varArgs");
      }
  
      @Test
      public void testVarArgs() throws NoSuchMethodException {
          // create our factory
          // varargs are enabled by default
          ExpressionFactory f = ExpressionFactory.newInstance();
  
          // create our context with function "vararg:format"
          Method method = String.class.getMethod("format", new Class[] { String.class, Object[].class });
          SimpleContext context = new SimpleContext();
          context.setFunction("varargs", "format", method);
  
          // our expression we want to evaluate
          String expression = "${varargs:format('Hey %s','Joe')}";
  
          // let's go...
          ValueExpression e = f.createValueExpression(context, expression, String.class);
          assertEquals(e.getValue(context), "Hey Joe"); // --> Hey Joe
      }
  
      @Test
      public void testVarArgsDisabled() {
          // create our factory
          System.setProperty("activiti.juel.varArgs", "false");
  
          try {
              testVarArgs();
              fail("Varargs should be disabled.");
          } catch (ELException expected) {
              assertEquals(
                  "Cannot coerce 'Joe' of class java.lang.String to class [Ljava.lang.Object; (incompatible type)",
                  expected.getMessage()
              );
          } catch (Exception e) {
              throw new RuntimeException(e);
          }
      }
  }
  