/*
    * 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.io.function;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.io.IOException;
  import java.io.UncheckedIOException;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link IOBooleanSupplier}.
   */
  class IOBooleanSupplierTest {
  
      private AtomicBoolean atomicBoolean;
  
      @BeforeEach
      public void beforeEach() {
          atomicBoolean = new AtomicBoolean();
      }
  
      private boolean getThrowsIO(final IOBooleanSupplier supplier) throws IOException {
          return supplier.getAsBoolean();
      }
  
      private boolean getThrowsNone(final IOBooleanSupplier supplier) {
          return supplier.asBooleanSupplier().getAsBoolean();
      }
  
      @Test
      void testAsSupplier() {
          assertThrows(UncheckedIOException.class, () -> TestConstants.THROWING_IO_BOOLEAN_SUPPLIER.asBooleanSupplier().getAsBoolean());
          assertEquals(true, getThrowsNone(() -> TestUtils.compareAndSetThrowsIO(atomicBoolean, true)));
          assertEquals(true, atomicBoolean.get());
          assertNotEquals(TestConstants.THROWING_IO_BOOLEAN_SUPPLIER.asBooleanSupplier(), TestConstants.THROWING_IO_BOOLEAN_SUPPLIER.asBooleanSupplier());
      }
  
      @Test
      void testGet() throws IOException {
          assertThrows(IOException.class, () -> TestConstants.THROWING_IO_BOOLEAN_SUPPLIER.getAsBoolean());
          assertThrows(IOException.class, () -> {
              throw new IOException();
          });
          assertEquals(true, getThrowsIO(() -> TestUtils.compareAndSetThrowsIO(atomicBoolean, true)));
          assertEquals(true, atomicBoolean.get());
      }
  }