Doctrine\Common\Collections\ExpressionBuilder::eq PHP Method

    public function eq($field, $value)
    {
        return new Comparison($field, Comparison::EQ, new Value($value));
    }

 public function testWalkOrCompositeExpression()
 {
     $cb = new CriteriaBuilder();
     $expr = $this->visitor->walkCompositeExpression($cb->orX($cb->eq("foo", 1), $cb->eq("bar", 1)));
     $this->assertInstanceOf('Doctrine\\ORM\\Query\\Expr\\Orx', $expr);
     $this->assertCount(2, $expr->getParts());
 }