content: package io.agrest.exp.parser;
  
  import io.agrest.AgException;
  import io.agrest.protocol.Exp;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.CsvSource;
  import org.junit.jupiter.params.provider.ValueSource;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class ExpBitwiseAndTest {
  
      @ParameterizedTest
      @ValueSource(strings = {
              "1&2",
              "1 &  2",
              "1 & 1.3",
              "1 & $a",
              "1 & a",
              "1 & abs(-3)"})
      public void parse(String expString) {
          assertEquals(ExpBitwiseAnd.class, Exp.parse(expString).getClass());
      }
  
      @ParameterizedTest
      @CsvSource(delimiter = '|', value = {
              "1&2|1 & 2",
              "1 &  2|1 & 2"
      })
      public void parsedToString(String expString, String expected) {
          assertEquals(expected, Exp.parse(expString).toString());
      }
  
      @ParameterizedTest
      @ValueSource(strings = {"1 &", "& 2", "&", "1 && 2", "1 & 'a'", "1 & getDate()"})
      public void parseInvalidGrammar(String expString) {
          assertThrows(AgException.class, () -> Exp.parse(expString));
      }
  }
  