package test;

import org.assertj.core.api.Assertions;
import org.assertj.core.api.recursive.comparison.ComparingNormalizedFields;
import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;
import org.junit.jupiter.api.Test;

class AssertjBugTest {

  @Test
  void test() {
    Assertions.assertThat(new Actual(0))
        .usingRecursiveComparison(
            RecursiveComparisonConfiguration.builder()
                .withIntrospectionStrategy(SomeIntrospectionStrategy.INSTANCE)
                .build())
        .isEqualTo(new Expected(0));
    Assertions.assertThat(new Actual(0))
        .usingRecursiveComparison(
            RecursiveComparisonConfiguration.builder()
                .withIntrospectionStrategy(SomeIntrospectionStrategy.INSTANCE)
                .build())
        .isEqualTo(new Expected(0));
  }

  record Actual(int a) {}

  record Expected(int A) {}
}

class SomeIntrospectionStrategy extends ComparingNormalizedFields {

  static final SomeIntrospectionStrategy INSTANCE = new SomeIntrospectionStrategy();

  @Override
  protected String normalizeFieldName(String fieldName) {
    return fieldName.toLowerCase();
  }
}