/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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.apache.commons.validator.routines;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  import java.math.BigDecimal;
  import java.util.Locale;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junitpioneer.jupiter.DefaultLocale;
  
  /**
   * Test Case for PercentValidator.
   */
  class PercentValidatorTest {
  
      protected PercentValidator validator;
      private Locale originalLocale;
  
      @BeforeEach
      protected void setUp() {
          originalLocale = Locale.getDefault();
          validator = new PercentValidator();
      }
  
      /**
       * Tear down
       */
      @AfterEach
      protected void tearDown() {
          Locale.setDefault(originalLocale);
          validator = null;
      }
  
      /**
       * Test Format Type
       */
      @Test
      void testFormatType() {
          assertEquals(2, PercentValidator.getInstance().getFormatType(), "Format Type A");
          assertEquals(AbstractNumberValidator.PERCENT_FORMAT, PercentValidator.getInstance().getFormatType(), "Format Type B");
      }
  
      /**
       * Test Invalid percentage values
       */
      @Test
      void testInvalid() {
          final BigDecimalValidator validator = PercentValidator.getInstance();
  
          // Invalid Missing
          assertFalse(validator.isValid(null), "isValid() Null Value");
          assertFalse(validator.isValid(""), "isValid() Empty Value");
          assertNull(validator.validate(null), "validate() Null Value");
          assertNull(validator.validate(""), "validate() Empty Value");
  
          // Invalid UK
          assertFalse(validator.isValid("12@", Locale.UK), "UK wrong symbol"); // ???
          assertFalse(validator.isValid("(12%)", Locale.UK), "UK wrong negative");
  
          // Invalid US - can't find a Locale with different symbols!
          assertFalse(validator.isValid("12@", Locale.US), "US wrong symbol"); // ???
          assertFalse(validator.isValid("(12%)", Locale.US), "US wrong negative");
      }
  
      /**
       * Test Valid percentage values
       */
      @Test
      @DefaultLocale("en-GB")
      void testValid() {
          final BigDecimalValidator validator = PercentValidator.getInstance();
          final BigDecimal expected = new BigDecimal("0.12");
          final BigDecimal negative = new BigDecimal("-0.12");
          final BigDecimal hundred = new BigDecimal("1.00");
  
          assertEquals(expected, validator.validate("12%"), "Default locale");
          assertEquals(negative, validator.validate("-12%"), "Default negative");
  
          // Invalid UK
         assertEquals(expected, validator.validate("12%", Locale.UK), "UK locale");
         assertEquals(negative, validator.validate("-12%", Locale.UK), "UK negative");
         assertEquals(expected, validator.validate("12", Locale.UK), "UK No symbol");
 
         // Invalid US - can't find a Locale with different symbols!
         assertEquals(expected, validator.validate("12%", Locale.US), "US locale");
         assertEquals(negative, validator.validate("-12%", Locale.US), "US negative");
         assertEquals(expected, validator.validate("12", Locale.US), "US No symbol");
 
         assertEquals(hundred, validator.validate("100%"), "100%");
     }
 
 }