content: /*
   * 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
   *
   *    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.apache.kafka.message;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  
  @Timeout(120)
  public class IsNullConditionalTest {
  
      @Test
      public void testNullCheck() throws Exception {
          CodeBuffer buffer = new CodeBuffer();
          IsNullConditional.
              forName("foobar").
              nullableVersions(Versions.parse("2+", null)).
              possibleVersions(Versions.parse("0+", null)).
              ifNull(() -> {
                  buffer.printf("System.out.println(\"null\");%n");
              }).
              generate(buffer);
          VersionConditionalTest.claimEquals(buffer,
              "if (foobar == null) {%n",
              "    System.out.println(\"null\");%n",
              "}%n");
      }
  
      @Test
      public void testAnotherNullCheck() throws Exception {
          CodeBuffer buffer = new CodeBuffer();
          IsNullConditional.
              forName("foobar").
              nullableVersions(Versions.parse("0+", null)).
              possibleVersions(Versions.parse("2+", null)).
              ifNull(() -> {
                  buffer.printf("System.out.println(\"null\");%n");
              }).
              ifShouldNotBeNull(() -> {
                  buffer.printf("System.out.println(\"not null\");%n");
              }).
              generate(buffer);
          VersionConditionalTest.claimEquals(buffer,
              "if (foobar == null) {%n",
              "    System.out.println(\"null\");%n",
              "} else {%n",
              "    System.out.println(\"not null\");%n",
              "}%n");
      }
  
      @Test
      public void testNotNullCheck() throws Exception {
          CodeBuffer buffer = new CodeBuffer();
          IsNullConditional.
              forName("foobar").
              nullableVersions(Versions.parse("0+", null)).
              possibleVersions(Versions.parse("2+", null)).
              ifShouldNotBeNull(() -> {
                  buffer.printf("System.out.println(\"not null\");%n");
              }).
              generate(buffer);
          VersionConditionalTest.claimEquals(buffer,
              "if (foobar != null) {%n",
              "    System.out.println(\"not null\");%n",
              "}%n");
      }
  
      @Test
      public void testNeverNull() throws Exception {
          CodeBuffer buffer = new CodeBuffer();
          IsNullConditional.
              forName("baz").
              nullableVersions(Versions.parse("0-2", null)).
              possibleVersions(Versions.parse("3+", null)).
              ifNull(() -> {
                  buffer.printf("System.out.println(\"null\");%n");
              }).
              ifShouldNotBeNull(() -> {
                  buffer.printf("System.out.println(\"not null\");%n");
              }).
              generate(buffer);
          VersionConditionalTest.claimEquals(buffer,
              "System.out.println(\"not null\");%n");
      }
  
      @Test
      public void testNeverNullWithBlockScope() throws Exception {
          CodeBuffer buffer = new CodeBuffer();
          IsNullConditional.
              forName("baz").
              nullableVersions(Versions.parse("0-2", null)).
              possibleVersions(Versions.parse("3+", null)).
              ifNull(() -> {
                  buffer.printf("System.out.println(\"null\");%n");
              }).
              ifShouldNotBeNull(() -> {
                  buffer.printf("System.out.println(\"not null\");%n");
              }).
              alwaysEmitBlockScope(true).
              generate(buffer);
          VersionConditionalTest.claimEquals(buffer,
              "{%n",
              "    System.out.println(\"not null\");%n",
              "}%n");
      }
  }
  