function _testQueryBuilderAlias()
{
// get alias generator
$this->assertTrue($am = new epQueryAliasManager());
// check alias generation for classes
$class = "TestClass";
$this->assertTrue($alias1 = $am->getClassAlias($class, true));
// true: create
$this->assertTrue($alias2 = $am->getClassAlias($class, true));
// true: create
$this->assertFalse($alias1 == $alias2);
// unique aliases
$this->assertTrue($class == $am->getClass($alias1));
$this->assertTrue($class == $am->getClass($alias2));
$this->assertTrue(2 == count($am->getClassAliases($class)));
// check alias generation for tables
$table = "TestTable";
$this->assertTrue($alias3 = $am->getTableAlias($table, true));
// true: create
$this->assertTrue($alias4 = $am->getTableAlias($table, true));
// true: create
$this->assertFalse($alias3 == $alias4);
// unique aliases
$this->assertTrue($table == $am->getTable($alias3));
$this->assertTrue($table == $am->getTable($alias4));
$this->assertTrue(2 == count($am->getTableAliases($table)));
// alias uniqueness
$this->assertFalse($alias1 == $alias3);
// unique aliases
$this->assertFalse($alias1 == $alias4);
// unique aliases
$this->assertFalse($alias2 == $alias3);
// unique aliases
$this->assertFalse($alias2 == $alias4);
// unique aliases
}
