Examples of org.araneaframework.backend.list.sqlexpr.compare.SqlIsNullExpression


  public void testSqlIsNullExpression() {
    log.debug("Testing SqlIsNullExpression");
    // constructing
    try {
      new SqlIsNullExpression(null);
      fail("Constructing of SqlIsNullExpression with NULL as SqlExpression argument should fail");
    } catch (Exception e) {
      // normal
    }


    // SQL String
    assertEquals("SqlIsNullExpression must return \" IS NULL\"",
        new SqlIsNullExpression(new MockSqlStringExpression(""))
            .toSqlString(), " IS NULL");
    assertEquals("SqlIsNullExpression must return \"a IS NULL\"",
        new SqlIsNullExpression(new MockSqlStringExpression("a"))
            .toSqlString(), "a IS NULL");


    // SQL arguments
    assertTrue("SqlIsNullExpression must return an empty array", Arrays
        .equals(new SqlIsNullExpression(new MockSqlStringExpression(""))
            .getValues(), new Object[0]));
    assertTrue("SqlIsNullExpression must return an empty array", Arrays
        .equals(new SqlIsNullExpression(new MockSqlStringExpression(
            new Object[0])).getValues(), new Object[0]));
    assertTrue("SqlIsNullExpression must return (\"a\") as values", Arrays
        .equals(new SqlIsNullExpression(new MockSqlStringExpression(
            new Object[] { "a" })).getValues(),
            new Object[] { "a" }));
  }

    }
  }
  
  class IsNullTranslator extends CompositeExprToSqlExprTranslator {
    protected SqlExpression translateParent(Expression expr, SqlExpression[] sqlChildren) {
      return new SqlIsNullExpression(sqlChildren[0]);
    }

Examples of org.araneaframework.backend.list.sqlexpr.compare.SqlIsNullExpression

Related Classes of org.araneaframework.backend.list.sqlexpr.compare.SqlIsNullExpression