add unit tests for deadlock errors

tests/Doctrine/Tests/DBAL/Driver/AbstractDriverTest.php

@@ -24,6 +24,8 @@ abstract class AbstractDriverTest extends DbalTestCase
     const EXCEPTION_TABLE_EXISTS = 'Doctrine\DBAL\Exception\TableExistsException';
     const EXCEPTION_TABLE_NOT_FOUND = 'Doctrine\DBAL\Exception\TableNotFoundException';
     const EXCEPTION_UNIQUE_CONSTRAINT_VIOLATION = 'Doctrine\DBAL\Exception\UniqueConstraintViolationException';
+    const EXCEPTION_DEADLOCK = 'Doctrine\DBAL\Exception\DeadlockException';
+    const EXCEPTION_LOCK_WAIT_TIMEOUT = 'Doctrine\DBAL\Exception\LockWaitTimeoutException';
 
     /**
      * The driver mock under test.

tests/Doctrine/Tests/DBAL/Driver/AbstractMySQLDriverTest.php

@@ -134,6 +134,12 @@ class AbstractMySQLDriverTest extends AbstractDriverTest
                 array('1569', null, null),
                 array('1586', null, null),
             ),
+            self::EXCEPTION_DEADLOCK => array(
+                array('1213', null, null),
+            ),
+            self::EXCEPTION_LOCK_WAIT_TIMEOUT => array(
+                array('1205', null, null),
+            ),
         );
     }
 }

tests/Doctrine/Tests/DBAL/Driver/AbstractPostgreSQLDriverTest.php

@@ -101,6 +101,10 @@ class AbstractPostgreSQLDriverTest extends AbstractDriverTest
             self::EXCEPTION_UNIQUE_CONSTRAINT_VIOLATION => array(
                 array(null, '23505', null),
             ),
+            self::EXCEPTION_DEADLOCK => array(
+                array(null, '40001', null),
+                array(null, '40P01', null),
+            ),
         );
     }
 }

tests/Doctrine/Tests/DBAL/Driver/AbstractSQLAnywhereDriverTest.php

@@ -93,6 +93,9 @@ class AbstractSQLAnywhereDriverTest extends AbstractDriverTest
                 array('-193', null, null),
                 array('-196', null, null),
             ),
+            self::EXCEPTION_DEADLOCK => array(
+                array('-306', null, null),
+            ),
         );
     }
 }

tests/Doctrine/Tests/DBAL/Driver/AbstractSQLiteDriverTest.php

@@ -73,6 +73,9 @@ class AbstractSQLiteDriverTest extends AbstractDriverTest
                 array(null, null, 'is not unique'),
                 array(null, null, 'are not unique'),
             ),
+            self::EXCEPTION_LOCK_WAIT_TIMEOUT => array(
+                array(null, null, 'database is locked'),
+            ),
         );
     }
 }