/*
    * SPDX-FileCopyrightText: Copyright (c) 2011-2026 Yegor Bugayenko
    * SPDX-License-Identifier: MIT
    */
   package com.qulice.pmd;
   
   import org.hamcrest.Matchers;
   import org.hamcrest.core.IsEqual;
   import org.hamcrest.text.IsEmptyString;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test case for {@link com.qulice.pmd.rules.UseCollectionsSingletonListRule}.
   * @since 0.26.0
   */
  final class UseCollectionsSingletonListRuleTest {
  
      /**
       * Error message produced by the rule.
       */
      private static final String MESSAGE =
          "Use Collections.singletonList instead of Arrays.asList with a single non-array argument";
  
      @Test
      void detectsArraysAsListWithSingleScalar() throws Exception {
          new PmdAssert(
              "ArraysAsListSingleScalar.java",
              new IsEqual<>(false),
              Matchers.containsString(
                  UseCollectionsSingletonListRuleTest.MESSAGE
              )
          ).assertOk();
      }
  
      @Test
      void allowsMultipleArgumentsAndArrayArgument() throws Exception {
          new PmdAssert(
              "ArraysAsListAllowedCases.java",
              new IsEqual<>(true),
              IsEmptyString.emptyString()
          ).assertOk();
      }
  }