FEATURE: Add all remaining tests

Relates: #46

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/MissingVendorForPluginsAndModulesSniff/Expected.diff

@@ -0,0 +1,52 @@
+--- tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/MissingVendorForPluginsAndModulesSniff/InputFileForIssues.php
++++ PHP_CodeSniffer
+@@ -20,7 +20,7 @@
+  */
+
+ TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin(
+-    $_EXTKEY,
++    'YourCompany.' . $_EXTKEY,
+     'name',
+     [
+         'Controller' => 'action',
+@@ -28,7 +28,7 @@
+ );
+
+ Tx_Extbase_Utility_Extension::configurePlugin(
+-    $_EXTKEY,
++    'YourCompany.' . $_EXTKEY,
+     'name',
+     [
+         'Controller' => 'action',
+@@ -36,19 +36,19 @@
+ );
+
+ Tx_Extbase_Utility_Extension::registerPlugin(
+-    $_EXTKEY,
++    'YourCompany.' . $_EXTKEY,
+     'name',
+     'title'
+ );
+
+ TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerPlugin(
+-    $_EXTKEY,
++    'YourCompany.' . $_EXTKEY,
+     'name',
+     'title'
+ );
+
+ Tx_Extbase_Utility_Extension::registerModule(
+-    $_EXTKEY,
++    'YourCompany.' . $_EXTKEY,
+     'subpart',
+     'key'
+     '',
+@@ -58,7 +58,7 @@
+ );
+
+ \TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerModule(
+-    $_EXTKEY,
++    'YourCompany.' . $_EXTKEY,
+     'subpart',
+     'key'
+     '',

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/MissingVendorForPluginsAndModulesSniff/Expected.json

@@ -0,0 +1,69 @@
+{
+    "files": {
+        "InputFileForIssues.php": {
+            "errors": 6,
+            "messages": [
+                {
+                    "column": 5,
+                    "fixable": true,
+                    "line": 23,
+                    "message": "No vendor is given, that will break TYPO3 handling for namespaced classes. Add vendor before Extensionkey like: \"YourCompany.\" . $_EXTKEY",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.MissingVendorForPluginsAndModules.missingVendor",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 5,
+                    "fixable": true,
+                    "line": 31,
+                    "message": "No vendor is given, that will break TYPO3 handling for namespaced classes. Add vendor before Extensionkey like: \"YourCompany.\" . $_EXTKEY",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.MissingVendorForPluginsAndModules.missingVendor",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 5,
+                    "fixable": true,
+                    "line": 39,
+                    "message": "No vendor is given, that will break TYPO3 handling for namespaced classes. Add vendor before Extensionkey like: \"YourCompany.\" . $_EXTKEY",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.MissingVendorForPluginsAndModules.missingVendor",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 5,
+                    "fixable": true,
+                    "line": 45,
+                    "message": "No vendor is given, that will break TYPO3 handling for namespaced classes. Add vendor before Extensionkey like: \"YourCompany.\" . $_EXTKEY",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.MissingVendorForPluginsAndModules.missingVendor",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 5,
+                    "fixable": true,
+                    "line": 51,
+                    "message": "No vendor is given, that will break TYPO3 handling for namespaced classes. Add vendor before Extensionkey like: \"YourCompany.\" . $_EXTKEY",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.MissingVendorForPluginsAndModules.missingVendor",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 5,
+                    "fixable": true,
+                    "line": 61,
+                    "message": "No vendor is given, that will break TYPO3 handling for namespaced classes. Add vendor before Extensionkey like: \"YourCompany.\" . $_EXTKEY",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.MissingVendorForPluginsAndModules.missingVendor",
+                    "type": "ERROR"
+                }
+            ],
+            "warnings": 0
+        }
+    },
+    "totals": {
+        "errors": 6,
+        "fixable": 6,
+        "warnings": 0
+    }
+}

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/MissingVendorForPluginsAndModulesSniff/InputFileForIssues.php

@@ -0,0 +1,118 @@
+<?php
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin(
+    $_EXTKEY,
+    'name',
+    [
+        'Controller' => 'action',
+    ]
+);
+
+Tx_Extbase_Utility_Extension::configurePlugin(
+    $_EXTKEY,
+    'name',
+    [
+        'Controller' => 'action',
+    ]
+);
+
+Tx_Extbase_Utility_Extension::registerPlugin(
+    $_EXTKEY,
+    'name',
+    'title'
+);
+
+TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerPlugin(
+    $_EXTKEY,
+    'name',
+    'title'
+);
+
+Tx_Extbase_Utility_Extension::registerModule(
+    $_EXTKEY,
+    'subpart',
+    'key'
+    '',
+    [
+        'Controller' => 'action',
+    ]
+);
+
+\TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerModule(
+    $_EXTKEY,
+    'subpart',
+    'key'
+    '',
+    [
+        'Controller' => 'action',
+    ]
+);
+
+// Already vendor exists
+
+TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin(
+    'Vendor.' . $_EXTKEY,
+    'name',
+    [
+        'Controller' => 'action',
+    ]
+);
+
+Tx_Extbase_Utility_Extension::configurePlugin(
+    'Vendor.' . $_EXTKEY,
+    'name',
+    [
+        'Controller' => 'action',
+    ]
+);
+
+Tx_Extbase_Utility_Extension::registerPlugin(
+    'Vendor.' . $_EXTKEY,
+    'name',
+    'title'
+);
+
+TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerPlugin(
+    'Vendor.' . $_EXTKEY,
+    'name',
+    'title'
+);
+
+Tx_Extbase_Utility_Extension::registerModule(
+    'Vendor.' . $_EXTKEY,
+    'subpart',
+    'key'
+    '',
+    [
+        'Controller' => 'action',
+    ]
+);
+
+\TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerModule(
+    'Vendor.' . $_EXTKEY,
+    'subpart',
+    'key'
+    '',
+    [
+        'Controller' => 'action',
+    ]
+);

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/StaticCallSniff/Expected.diff

@@ -0,0 +1,21 @@
+--- tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/StaticCallSniff/InputFileForIssues.php
++++ PHP_CodeSniffer
+@@ -19,13 +19,13 @@
+  * 02110-1301, USA.
+  */
+
+-Tx_Extbase_Utility_Extension::configurePlugin(
++\TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin(
+     $_EXTKEY,
+     'name',
+     ['Controller' => 'action']
+ );
+-t3lib_div::makeInstance(Tx_Extbase_Command_HelpCommandController::class);
+-$this->objectManager->get(\Tx_Extbase_Command_HelpCommandController::class);
++\TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Extbase\Command\HelpCommandController::class);
++$this->objectManager->get(\TYPO3\CMS\Extbase\Command\HelpCommandController::class);
+ \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Extbase\Object\ObjectManager)
+-    ->get(\Tx_Extbase_Command_HelpCommandController::class);
+-is_a($a, t3lib_Singleton::class);
++    ->get(\TYPO3\CMS\Extbase\Command\HelpCommandController::class);
++is_a($a, \TYPO3\CMS\Core\SingletonInterface::class);

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/StaticCallSniff/Expected.json

@@ -0,0 +1,69 @@
+{
+    "files": {
+        "InputFileForIssues.php": {
+            "errors": 6,
+            "messages": [
+                {
+                    "column": 1,
+                    "fixable": true,
+                    "line": 22,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Utility_Extension\", use \"TYPO3\\CMS\\Extbase\\Utility\\ExtensionUtility\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.StaticCall.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 1,
+                    "fixable": true,
+                    "line": 27,
+                    "message": "Legacy classes are not allowed; found \"t3lib_div\", use \"TYPO3\\CMS\\Core\\Utility\\GeneralUtility\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.StaticCall.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 25,
+                    "fixable": true,
+                    "line": 27,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Command_HelpCommandController\", use \"TYPO3\\CMS\\Extbase\\Command\\HelpCommandController\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.StaticCall.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 28,
+                    "fixable": true,
+                    "line": 28,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Command_HelpCommandController\", use \"TYPO3\\CMS\\Extbase\\Command\\HelpCommandController\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.StaticCall.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 12,
+                    "fixable": true,
+                    "line": 30,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Command_HelpCommandController\", use \"TYPO3\\CMS\\Extbase\\Command\\HelpCommandController\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.StaticCall.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 10,
+                    "fixable": true,
+                    "line": 31,
+                    "message": "Legacy classes are not allowed; found \"t3lib_Singleton\", use \"TYPO3\\CMS\\Core\\SingletonInterface\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.StaticCall.legacyClassname",
+                    "type": "ERROR"
+                }
+            ],
+            "warnings": 0
+        }
+    },
+    "totals": {
+        "errors": 6,
+        "fixable": 6,
+        "warnings": 0
+    }
+}

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/StaticCallSniff/InputFileForIssues.php

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+Tx_Extbase_Utility_Extension::configurePlugin(
+    $_EXTKEY,
+    'name',
+    ['Controller' => 'action']
+);
+t3lib_div::makeInstance(Tx_Extbase_Command_HelpCommandController::class);
+$this->objectManager->get(\Tx_Extbase_Command_HelpCommandController::class);
+\TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Extbase\Object\ObjectManager)
+    ->get(\Tx_Extbase_Command_HelpCommandController::class);
+is_a($a, t3lib_Singleton::class);

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintCatchExceptionSniff/Expected.diff

@@ -0,0 +1,18 @@
+--- tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintCatchExceptionSniff/InputFileForIssues.php
++++ PHP_CodeSniffer
+@@ -21,13 +21,13 @@
+
+ try {
+     // something
+-} catch (\Tx_Extbase_Exception $e) {
++} catch (\TYPO3\CMS\Extbase\Exception $e) {
+     // else
+ }
+
+ try {
+     // something
+-} catch (Tx_Extbase_Exception $e) {
++} catch (\TYPO3\CMS\Extbase\Exception $e) {
+     // else
+ }
+

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintCatchExceptionSniff/Expected.json

@@ -0,0 +1,33 @@
+{
+    "files": {
+        "InputFileForIssues.php": {
+            "errors": 2,
+            "messages": [
+                {
+                    "column": 11,
+                    "fixable": true,
+                    "line": 24,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Exception\", use \"TYPO3\\CMS\\Extbase\\Exception\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHintCatchException.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 10,
+                    "fixable": true,
+                    "line": 30,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Exception\", use \"TYPO3\\CMS\\Extbase\\Exception\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHintCatchException.legacyClassname",
+                    "type": "ERROR"
+                }
+            ],
+            "warnings": 0
+        }
+    },
+    "totals": {
+        "errors": 2,
+        "fixable": 2,
+        "warnings": 0
+    }
+}

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintCatchExceptionSniff/InputFileForIssues.php

@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+try {
+    // something
+} catch (\Tx_Extbase_Exception $e) {
+    // else
+}
+
+try {
+    // something
+} catch (Tx_Extbase_Exception $e) {
+    // else
+}
+
+try {
+    // something
+} catch (\TYPO3\CMS\Extbase\Exception $e) {
+    // else
+}
+
+try {
+    // something
+} catch (TYPO3\CMS\Extbase\Exception $e) {
+    // else
+}

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintSniff/Expected.diff

@@ -0,0 +1,41 @@
+--- tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintSniff/InputFileForIssues.php
++++ PHP_CodeSniffer
+@@ -25,10 +25,10 @@
+ function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+ {
+ }
+-function something(\Tx_Extbase_Domain_Model_Backenduser $user)
++function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+ {
+ }
+-function something(Tx_Extbase_Domain_Model_Backenduser $user)
++function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+ {
+ }
+
+@@ -40,10 +40,10 @@
+     function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+     {
+     }
+-    function something(\Tx_Extbase_Domain_Model_Backenduser $user)
++    function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+     {
+     }
+-    function something(Tx_Extbase_Domain_Model_Backenduser $user)
++    function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+     {
+     }
+
+@@ -53,10 +53,10 @@
+     public function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+     {
+     }
+-    public function something(\Tx_Extbase_Domain_Model_Backenduser $user)
++    public function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+     {
+     }
+-    public function something(Tx_Extbase_Domain_Model_Backenduser $user)
++    public function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+     {
+     }
+ }

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintSniff/Expected.json

@@ -0,0 +1,69 @@
+{
+    "files": {
+        "InputFileForIssues.php": {
+            "errors": 6,
+            "messages": [
+                {
+                    "column": 21,
+                    "fixable": true,
+                    "line": 28,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHint.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 20,
+                    "fixable": true,
+                    "line": 31,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHint.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 25,
+                    "fixable": true,
+                    "line": 43,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHint.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 24,
+                    "fixable": true,
+                    "line": 46,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHint.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 32,
+                    "fixable": true,
+                    "line": 56,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHint.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 31,
+                    "fixable": true,
+                    "line": 59,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.TypeHint.legacyClassname",
+                    "type": "ERROR"
+                }
+            ],
+            "warnings": 0
+        }
+    },
+    "totals": {
+        "errors": 6,
+        "fixable": 6,
+        "warnings": 0
+    }
+}

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/TypeHintSniff/InputFileForIssues.php

@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+function something(TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+{
+}
+function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+{
+}
+function something(\Tx_Extbase_Domain_Model_Backenduser $user)
+{
+}
+function something(Tx_Extbase_Domain_Model_Backenduser $user)
+{
+}
+
+class SomeClass
+{
+    function something(TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+    {
+    }
+    function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+    {
+    }
+    function something(\Tx_Extbase_Domain_Model_Backenduser $user)
+    {
+    }
+    function something(Tx_Extbase_Domain_Model_Backenduser $user)
+    {
+    }
+
+    public function something(TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+    {
+    }
+    public function something(\TYPO3\CMS\Extbase\Domain\Model\BackendUser $user)
+    {
+    }
+    public function something(\Tx_Extbase_Domain_Model_Backenduser $user)
+    {
+    }
+    public function something(Tx_Extbase_Domain_Model_Backenduser $user)
+    {
+    }
+}

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/UseSniff/Expected.diff

@@ -0,0 +1,13 @@
+--- tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/UseSniff/InputFileForIssues.php
++++ PHP_CodeSniffer
+@@ -19,8 +19,8 @@
+  * 02110-1301, USA.
+  */
+
+-use \Tx_Extbase_Domain_Model_Backenduser;
+-use Tx_Extbase_Domain_Model_Backenduser;
++use \TYPO3\CMS\Extbase\Domain\Model\BackendUser;
++use TYPO3\CMS\Extbase\Domain\Model\BackendUser;
+ use TYPO3\CMS\Extbase\Mvc\Cli\Command;
+ use \TYPO3\CMS\Extbase\Mvc\Cli\Command;
+

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/UseSniff/Expected.json

@@ -0,0 +1,33 @@
+{
+    "files": {
+        "InputFileForIssues.php": {
+            "errors": 2,
+            "messages": [
+                {
+                    "column": 6,
+                    "fixable": true,
+                    "line": 22,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.Use.legacyClassname",
+                    "type": "ERROR"
+                },
+                {
+                    "column": 5,
+                    "fixable": true,
+                    "line": 23,
+                    "message": "Legacy classes are not allowed; found \"Tx_Extbase_Domain_Model_Backenduser\", use \"TYPO3\\CMS\\Extbase\\Domain\\Model\\BackendUser\" instead",
+                    "severity": 5,
+                    "source": "Typo3Update.LegacyClassnames.Use.legacyClassname",
+                    "type": "ERROR"
+                }
+            ],
+            "warnings": 0
+        }
+    },
+    "totals": {
+        "errors": 2,
+        "fixable": 2,
+        "warnings": 0
+    }
+}

tests/Fixtures/Standards/Typo3Update/Sniffs/LegacyClassnames/UseSniff/InputFileForIssues.php

@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use \Tx_Extbase_Domain_Model_Backenduser;
+use Tx_Extbase_Domain_Model_Backenduser;
+use TYPO3\CMS\Extbase\Mvc\Cli\Command;
+use \TYPO3\CMS\Extbase\Mvc\Cli\Command;
+