symfony/tests/Symfony/Tests/Components/Validator/Mapping/Loader/constraint-mapping.xml

<?xml version="1.0" ?>

<constraint-mapping xmlns="http://www.symfony-project.org/schema/dic/constraint-mapping"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.symfony-project.org/schema/dic/constraint-mapping http://www.symfony-project.org/schema/dic/services/constraint-mapping-1.0.xsd">

  <class name="Symfony\Tests\Components\Validator\Fixtures\Entity">

    <!-- CLASS CONSTRAINTS -->

    <!-- Constraint without value -->
    <constraint name="NotNull" />
    
    <!-- Constraint with single value -->
    <constraint name="Min">3</constraint>
    
    <!-- Constraint with multiple values -->
    <constraint name="Choice">
      <value>A</value>
      <value>B</value>
    </constraint>
    
    <!-- Constraint with child constraints -->
    <constraint name="All">
      <constraint name="NotNull" />
      <constraint name="Min">3</constraint>
    </constraint>
    
    <!-- Option with child constraints -->
    <constraint name="All">
      <option name="constraints">
        <constraint name="NotNull" />
        <constraint name="Min">3</constraint>
      </option>
    </constraint>
    
    <!-- Value with child constraints -->
    <constraint name="Collection">
      <option name="fields">
        <value key="foo">
          <constraint name="NotNull" />
          <constraint name="Min">3</constraint>
        </value>
        <value key="bar">
          <constraint name="Min">5</constraint>
        </value>
      </option>
    </constraint>

    <!-- PROPERTY CONSTRAINTS -->

    <property name="firstName">
      <!-- Constraint with options -->
      <constraint name="Choice">
        <!-- Option with single value -->
        <option name="message">Must be one of %choices%</option>
        <!-- Option with multiple values -->
        <option name="choices">
          <value>A</value>
          <value>B</value>
        </option>
      </constraint>
    </property>

    <!-- GETTER CONSTRAINTS -->

    <getter property="lastName">
      <constraint name="NotNull" />
    </getter>
  </class>
</constraint-mapping>