First commit

vendor/psy/psysh/test/Psy/Test/CodeCleaner/AbstractClassPassTest.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\AbstractClassPass;
+
+class AbstractClassPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new AbstractClassPass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('class A { abstract function a(); }'),
+            array('abstract class B { abstract function b() {} }'),
+            array('abstract class B { abstract function b() { echo "yep"; } }'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('abstract class C { function c() {} }'),
+            array('abstract class D { abstract function d(); }'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/AssignThisVariablePassTest.php

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+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\AssignThisVariablePass;
+
+class AssignThisVariablePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new AssignThisVariablePass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('$this = 3'),
+            array('strtolower($this = "this")'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('$this'),
+            array('$a = $this'),
+            array('$a = "this"; $$a = 3'),
+            array('$$this = "b"'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/CallTimePassByReferencePassTest.php

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+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\CallTimePassByReferencePass;
+
+class CallTimePassByReferencePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new CallTimePassByReferencePass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        if (version_compare(PHP_VERSION, '5.4', '<')) {
+            $this->markTestSkipped();
+        }
+
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('f(&$arg)'),
+            array('$object->method($first, &$arg)'),
+            array('$closure($first, &$arg, $last)'),
+            array('A::b(&$arg)'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        $data = array(
+            array('array(&$var)'),
+            array('$a = &$b'),
+            array('f(array(&$b))'),
+        );
+
+        if (version_compare(PHP_VERSION, '5.4', '<')) {
+            $data = array_merge($data, $this->invalidStatements());
+        }
+
+        return $data;
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/CalledClassPassTest.php

@@ -0,0 +1,104 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\CalledClassPass;
+
+class CalledClassPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new CalledClassPass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\ErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('get_class()'),
+            array('get_class(null)'),
+            array('get_called_class()'),
+            array('get_called_class(null)'),
+            array('function foo() { return get_class(); }'),
+            array('function foo() { return get_class(null); }'),
+            array('function foo() { return get_called_class(); }'),
+            array('function foo() { return get_called_class(null); }'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('get_class($foo)'),
+            array('get_class(bar())'),
+            array('get_called_class($foo)'),
+            array('get_called_class(bar())'),
+            array('function foo($bar) { return get_class($bar); }'),
+            array('function foo($bar) { return get_called_class($bar); }'),
+            array('class Foo { function bar() { return get_class(); } }'),
+            array('class Foo { function bar() { return get_class(null); } }'),
+            array('class Foo { function bar() { return get_called_class(); } }'),
+            array('class Foo { function bar() { return get_called_class(null); } }'),
+            array('$foo = function () {}; $foo()'),
+        );
+    }
+
+    /**
+     * @dataProvider validTraitStatements
+     */
+    public function testProcessTraitStatementPasses($code)
+    {
+        if (version_compare(PHP_VERSION, '5.4', '<')) {
+            $this->markTestSkipped();
+        }
+
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validTraitStatements()
+    {
+        return array(
+            array('trait Foo { function bar() { return get_class(); } }'),
+            array('trait Foo { function bar() { return get_class(null); } }'),
+            array('trait Foo { function bar() { return get_called_class(); } }'),
+            array('trait Foo { function bar() { return get_called_class(null); } }'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/CodeCleanerTestCase.php

@@ -0,0 +1,97 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use PhpParser\PrettyPrinter\Standard as Printer;
+use Psy\CodeCleaner\CodeCleanerPass;
+use Psy\Exception\ParseErrorException;
+use Psy\ParserFactory;
+
+class CodeCleanerTestCase extends \PHPUnit\Framework\TestCase
+{
+    protected $pass;
+    protected $traverser;
+    private $parser;
+    private $printer;
+
+    protected function setPass(CodeCleanerPass $pass)
+    {
+        $this->pass = $pass;
+        if (!isset($this->traverser)) {
+            $this->traverser = new NodeTraverser();
+        }
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    protected function parse($code, $prefix = '<?php ')
+    {
+        $code = $prefix . $code;
+        try {
+            return $this->getParser()->parse($code);
+        } catch (\PhpParser\Error $e) {
+            if (!$this->parseErrorIsEOF($e)) {
+                throw ParseErrorException::fromParseError($e);
+            }
+
+            try {
+                // Unexpected EOF, try again with an implicit semicolon
+                return $this->getParser()->parse($code . ';');
+            } catch (\PhpParser\Error $e) {
+                return false;
+            }
+        }
+    }
+
+    protected function traverse(array $stmts)
+    {
+        return $this->traverser->traverse($stmts);
+    }
+
+    protected function prettyPrint(array $stmts)
+    {
+        return $this->getPrinter()->prettyPrint($stmts);
+    }
+
+    protected function assertProcessesAs($from, $to)
+    {
+        $stmts = $this->parse($from);
+        $stmts = $this->traverse($stmts);
+        $this->assertEquals($to, $this->prettyPrint($stmts));
+    }
+
+    private function getParser()
+    {
+        if (!isset($this->parser)) {
+            $parserFactory = new ParserFactory();
+            $this->parser  = $parserFactory->createParser();
+        }
+
+        return $this->parser;
+    }
+
+    private function getPrinter()
+    {
+        if (!isset($this->printer)) {
+            $this->printer = new Printer();
+        }
+
+        return $this->printer;
+    }
+
+    private function parseErrorIsEOF(\PhpParser\Error $e)
+    {
+        $msg = $e->getRawMessage();
+
+        return ($msg === 'Unexpected token EOF') || (strpos($msg, 'Syntax error, unexpected EOF') !== false);
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/ExitPassTest.php

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+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\ExitPass;
+
+class ExitPassTest extends CodeCleanerTestCase
+{
+    /**
+     * @var string
+     */
+    private $expectedExceptionString = '\\Psy\\Exception\\BreakException::exitShell()';
+
+    public function setUp()
+    {
+        $this->setPass(new ExitPass());
+    }
+
+    /**
+     * @dataProvider dataProviderExitStatement
+     */
+    public function testExitStatement($from, $to)
+    {
+        $this->assertProcessesAs($from, $to);
+    }
+
+    /**
+     * Data provider for testExitStatement.
+     *
+     * @return array
+     */
+    public function dataProviderExitStatement()
+    {
+        return array(
+            array('exit;', "{$this->expectedExceptionString};"),
+            array('exit();', "{$this->expectedExceptionString};"),
+            array('die;', "{$this->expectedExceptionString};"),
+            array('exit(die(die));', "{$this->expectedExceptionString};"),
+            array('if (true) { exit; }', "if (true) {\n    {$this->expectedExceptionString};\n}"),
+            array('if (false) { exit; }', "if (false) {\n    {$this->expectedExceptionString};\n}"),
+            array('1 and exit();', "1 and {$this->expectedExceptionString};"),
+            array('foo() or die', "foo() or {$this->expectedExceptionString};"),
+            array('exit and 1;', "{$this->expectedExceptionString} and 1;"),
+            array('if (exit) { echo $wat; }', "if ({$this->expectedExceptionString}) {\n    echo \$wat;\n}"),
+            array('exit or die;', "{$this->expectedExceptionString} or {$this->expectedExceptionString};"),
+            array('switch (die) { }', "switch ({$this->expectedExceptionString}) {\n}"),
+            array('for ($i = 1; $i < 10; die) {}', "for (\$i = 1; \$i < 10; {$this->expectedExceptionString}) {\n}"),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/FinalClassPassTest.php

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+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\FinalClassPass;
+
+class FinalClassPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new FinalClassPass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        $stmts = array(
+            array('final class A {} class B extends A {}'),
+            array('class A {} final class B extends A {} class C extends B {}'),
+            // array('namespace A { final class B {} } namespace C { class D extends \\A\\B {} }'),
+        );
+
+        if (!defined('HHVM_VERSION')) {
+            // For some reason Closure isn't final in HHVM?
+            $stmts[] = array('class A extends \\Closure {}');
+        }
+
+        return $stmts;
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('class A extends \\stdClass {}'),
+            array('final class A extends \\stdClass {}'),
+            array('class A {} class B extends A {}'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/Fixtures/ClassWithCallStatic.php

@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner\Fixtures;
+
+class ClassWithCallStatic
+{
+    public static function __callStatic($name, $arguments)
+    {
+        // wheee!
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/Fixtures/ClassWithStatic.php

@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner\Fixtures;
+
+class ClassWithStatic
+{
+    public static function doStuff()
+    {
+        // Don't actually do stuff.
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/FunctionContextPassTest.php

@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\FunctionContextPass;
+
+class FunctionContextPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new FunctionContextPass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('function foo() { yield; }'),
+            array('if (function(){ yield; })'),
+        );
+    }
+
+    /**
+     * @dataProvider invalidYieldStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testInvalidYield($code)
+    {
+        if (version_compare(PHP_VERSION, '5.4', '<')) {
+            $this->markTestSkipped();
+        }
+
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidYieldStatements()
+    {
+        return array(
+            array('yield'),
+            array('if (yield)'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/FunctionReturnInWriteContextPassTest.php

@@ -0,0 +1,79 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\FunctionReturnInWriteContextPass;
+use Psy\Exception\FatalErrorException;
+
+class FunctionReturnInWriteContextPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new FunctionReturnInWriteContextPass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     * @expectedExceptionMessage Can't use function return value in write context
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('f(&g())'),
+            array('array(& $object->method())'),
+            array('$a->method(& $closure())'),
+            array('array(& A::b())'),
+            array('f() = 5'),
+            array('unset(h())'),
+        );
+    }
+
+    public function testIsset()
+    {
+        try {
+            $this->traverser->traverse($this->parse('isset(strtolower("A"))'));
+            $this->fail();
+        } catch (FatalErrorException $e) {
+            if (version_compare(PHP_VERSION, '5.5', '>=')) {
+                $this->assertContains(
+                    'Cannot use isset() on the result of a function call (you can use "null !== func()" instead)',
+                    $e->getMessage()
+                );
+            } else {
+                $this->assertContains("Can't use function return value in write context", $e->getMessage());
+            }
+        }
+    }
+
+    /**
+     * @expectedException \Psy\Exception\FatalErrorException
+     * @expectedExceptionMessage Can't use function return value in write context
+     */
+    public function testEmpty()
+    {
+        if (version_compare(PHP_VERSION, '5.5', '>=')) {
+            $this->markTestSkipped();
+        }
+
+        $this->traverser->traverse($this->parse('empty(strtolower("A"))'));
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/ImplicitReturnPassTest.php

@@ -0,0 +1,96 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\ImplicitReturnPass;
+
+class ImplicitReturnPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new ImplicitReturnPass());
+    }
+
+    /**
+     * @dataProvider implicitReturns
+     */
+    public function testProcess($from, $to)
+    {
+        $this->assertProcessesAs($from, $to);
+    }
+
+    public function implicitReturns()
+    {
+        $values = array(
+            array('4',        'return 4;'),
+            array('foo()',    'return foo();'),
+            array('return 1', 'return 1;'),
+        );
+
+        $from = 'if (true) { 1; } elseif (true) { 2; } else { 3; }';
+        $to   = <<<'EOS'
+if (true) {
+    return 1;
+} elseif (true) {
+    return 2;
+} else {
+    return 3;
+}
+return new \Psy\CodeCleaner\NoReturnValue();
+EOS;
+        $values[] = array($from, $to);
+
+        $from = 'class A {}';
+        $to   = <<<'EOS'
+class A
+{
+}
+return new \Psy\CodeCleaner\NoReturnValue();
+EOS;
+        $values[] = array($from, $to);
+
+        $from = <<<'EOS'
+switch (false) {
+    case 0:
+        0;
+    case 1:
+        1;
+        break;
+    case 2:
+        2;
+        return;
+}
+EOS;
+        $to = <<<'EOS'
+switch (false) {
+    case 0:
+        0;
+    case 1:
+        return 1;
+        break;
+    case 2:
+        2;
+        return;
+}
+return new \Psy\CodeCleaner\NoReturnValue();
+EOS;
+        $values[] = array($from, $to);
+
+        if (version_compare(PHP_VERSION, '5.4', '<')) {
+            $values[] = array('exit()', 'die;');
+        } else {
+            $values[] = array('exit()', 'exit;');
+        }
+
+        return $values;
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/InstanceOfPassTest.php

@@ -0,0 +1,76 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\InstanceOfPass;
+
+class InstanceOfPassTest extends CodeCleanerTestCase
+{
+    protected function setUp()
+    {
+        $this->setPass(new InstanceOfPass());
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessInvalidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('null instanceof stdClass'),
+            array('true instanceof stdClass'),
+            array('9 instanceof stdClass'),
+            array('1.0 instanceof stdClass'),
+            array('"foo" instanceof stdClass'),
+            array('__DIR__ instanceof stdClass'),
+            array('PHP_SAPI instanceof stdClass'),
+            array('1+1 instanceof stdClass'),
+            array('true && false instanceof stdClass'),
+            array('"a"."b" instanceof stdClass'),
+            array('!5 instanceof stdClass'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessValidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        $data = array(
+            array('$a instanceof stdClass'),
+            array('strtolower("foo") instanceof stdClass'),
+            array('array(1) instanceof stdClass'),
+            array('(string) "foo" instanceof stdClass'),
+            array('(1+1) instanceof stdClass'),
+            array('"foo ${foo} $bar" instanceof stdClass'),
+            array('DateTime::ISO8601 instanceof stdClass'),
+        );
+
+        return $data;
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/LeavePsyshAlonePassTest.php

@@ -0,0 +1,75 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\LeavePsyshAlonePass;
+
+class LeavePsyshAlonePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new LeavePsyshAlonePass());
+    }
+
+    public function testPassesInlineHtmlThroughJustFine()
+    {
+        $inline = $this->parse('not php at all!', '');
+        $this->traverse($inline);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('array_merge()'),
+            array('__psysh__()'),
+            array('$this'),
+            array('$psysh'),
+            array('$__psysh'),
+            array('$banana'),
+        );
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\RuntimeException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('$__psysh__'),
+            array('var_dump($__psysh__)'),
+            array('$__psysh__ = "your mom"'),
+            array('$__psysh__->fakeFunctionCall()'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/LegacyEmptyPassTest.php

@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\LegacyEmptyPass;
+
+class LegacyEmptyPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new LegacyEmptyPass());
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\ParseErrorException
+     */
+    public function testProcessInvalidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        if (version_compare(PHP_VERSION, '5.5', '>=')) {
+            return array(
+                array('empty()'),
+            );
+        }
+
+        return array(
+            array('empty()'),
+            array('empty(null)'),
+            array('empty(PHP_EOL)'),
+            array('empty("wat")'),
+            array('empty(1.1)'),
+            array('empty(Foo::$bar)'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessValidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        if (version_compare(PHP_VERSION, '5.5', '<')) {
+            return array(
+                array('empty($foo)'),
+            );
+        }
+
+        return array(
+            array('empty($foo)'),
+            array('empty(null)'),
+            array('empty(PHP_EOL)'),
+            array('empty("wat")'),
+            array('empty(1.1)'),
+            array('empty(Foo::$bar)'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/LoopContextPassTest.php

@@ -0,0 +1,137 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\LoopContextPass;
+
+class LoopContextPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new LoopContextPass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('continue'),
+            array('break'),
+            array('if (true) { continue; }'),
+            array('if (true) { break; }'),
+            array('if (false) { continue; }'),
+            array('if (false) { break; }'),
+            array('function foo() { break; }'),
+            array('function foo() { continue; }'),
+
+            // actually enforce break/continue depth argument
+            array('do { break 2; } while (true)'),
+            array('do { continue 2; } while (true)'),
+            array('for ($a; $b; $c) { break 2; }'),
+            array('for ($a; $b; $c) { continue 2; }'),
+            array('foreach ($a as $b) { break 2; }'),
+            array('foreach ($a as $b) { continue 2; }'),
+            array('switch (true) { default: break 2; }'),
+            array('switch (true) { default: continue 2; }'),
+            array('while (true) { break 2; }'),
+            array('while (true) { continue 2; }'),
+
+            // invalid in 5.4+ because they're floats
+            // ... in 5.3 because the number is too big
+            array('while (true) { break 2.0; }'),
+            array('while (true) { continue 2.0; }'),
+
+            // and once with nested loops, just for good measure
+            array('while (true) { while (true) { break 3; } }'),
+            array('while (true) { while (true) { continue 3; } }'),
+        );
+    }
+
+    /**
+     * @dataProvider invalidPHP54Statements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testPHP54ProcessStatementFails($code)
+    {
+        if (version_compare(PHP_VERSION, '5.4.0', '<')) {
+            $this->markTestSkipped();
+        }
+
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidPHP54Statements()
+    {
+        return array(
+            // In PHP 5.4+, only positive literal integers are allowed
+            array('while (true) { break $n; }'),
+            array('while (true) { continue $n; }'),
+            array('while (true) { break N; }'),
+            array('while (true) { continue N; }'),
+            array('while (true) { break 0; }'),
+            array('while (true) { continue 0; }'),
+            array('while (true) { break -1; }'),
+            array('while (true) { continue -1; }'),
+            array('while (true) { break 1.0; }'),
+            array('while (true) { continue 1.0; }'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('do { break; } while (true)'),
+            array('do { continue; } while (true)'),
+            array('for ($a; $b; $c) { break; }'),
+            array('for ($a; $b; $c) { continue; }'),
+            array('foreach ($a as $b) { break; }'),
+            array('foreach ($a as $b) { continue; }'),
+            array('switch (true) { default: break; }'),
+            array('switch (true) { default: continue; }'),
+            array('while (true) { break; }'),
+            array('while (true) { continue; }'),
+
+            // `break 1` is redundant, but not invalid
+            array('while (true) { break 1; }'),
+            array('while (true) { continue 1; }'),
+
+            // and once with nested loops just for good measure
+            array('while (true) { while (true) { break 2; } }'),
+            array('while (true) { while (true) { continue 2; } }'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/MagicConstantsPassTest.php

@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\MagicConstantsPass;
+
+class MagicConstantsPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new MagicConstantsPass());
+    }
+
+    /**
+     * @dataProvider magicConstants
+     */
+    public function testProcess($from, $to)
+    {
+        $this->assertProcessesAs($from, $to);
+    }
+
+    public function magicConstants()
+    {
+        return array(
+            array('__DIR__;', 'getcwd();'),
+            array('__FILE__;', "'';"),
+            array('___FILE___;', '___FILE___;'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/NamespacePassTest.php

@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner;
+use Psy\CodeCleaner\NamespacePass;
+
+class NamespacePassTest extends CodeCleanerTestCase
+{
+    private $cleaner;
+
+    public function setUp()
+    {
+        $this->cleaner = new CodeCleaner();
+        $this->setPass(new NamespacePass($this->cleaner));
+    }
+
+    public function testProcess()
+    {
+        $this->process('array_merge()');
+        $this->assertNull($this->cleaner->getNamespace());
+
+        // A non-block namespace statement should set the current namespace.
+        $this->process('namespace Alpha');
+        $this->assertEquals(array('Alpha'), $this->cleaner->getNamespace());
+
+        // A new non-block namespace statement should override the current namespace.
+        $this->process('namespace Beta; class B {}');
+        $this->assertEquals(array('Beta'), $this->cleaner->getNamespace());
+
+        // @todo Figure out if we can detect when the last namespace block is
+        // bracketed or unbracketed, because this should really clear the
+        // namespace at the end...
+        $this->process('namespace Gamma { array_merge(); }');
+        $this->assertEquals(array('Gamma'), $this->cleaner->getNamespace());
+
+        // A null namespace clears out the current namespace.
+        $this->process('namespace { array_merge(); }');
+        $this->assertNull($this->cleaner->getNamespace());
+    }
+
+    private function process($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/PassableByReferencePassTest.php

@@ -0,0 +1,115 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use PhpParser\NodeTraverser;
+use Psy\CodeCleaner\PassableByReferencePass;
+
+class PassableByReferencePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->pass      = new PassableByReferencePass();
+        $this->traverser = new NodeTraverser();
+        $this->traverser->addVisitor($this->pass);
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        return array(
+            array('array_pop(array())'),
+            array('array_pop(array($foo))'),
+            array('array_shift(array())'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return array(
+            array('array_pop(json_decode("[]"))'),
+            array('array_pop($foo)'),
+            array('array_pop($foo->bar)'),
+            array('array_pop($foo::baz)'),
+            array('array_pop(Foo::qux)'),
+        );
+    }
+
+    /**
+     * @dataProvider validArrayMultisort
+     */
+    public function testArrayMultisort($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validArrayMultisort()
+    {
+        return array(
+            array('array_multisort($a)'),
+            array('array_multisort($a, $b)'),
+            array('array_multisort($a, SORT_NATURAL, $b)'),
+            array('array_multisort($a, SORT_NATURAL | SORT_FLAG_CASE, $b)'),
+            array('array_multisort($a, SORT_ASC, SORT_NATURAL | SORT_FLAG_CASE, $b)'),
+            array('array_multisort($a, SORT_NATURAL | SORT_FLAG_CASE, SORT_ASC, $b)'),
+            array('array_multisort($a, $b, SORT_ASC, SORT_NATURAL | SORT_FLAG_CASE)'),
+            array('array_multisort($a, SORT_NATURAL | SORT_FLAG_CASE, $b, SORT_ASC, SORT_NATURAL | SORT_FLAG_CASE)'),
+            array('array_multisort($a, 1, $b)'),
+            array('array_multisort($a, 1 + 2, $b)'),
+            array('array_multisort($a, getMultisortFlags(), $b)'),
+        );
+    }
+
+    /**
+     * @dataProvider invalidArrayMultisort
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testInvalidArrayMultisort($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidArrayMultisort()
+    {
+        return array(
+            array('array_multisort(1)'),
+            array('array_multisort(array(1, 2, 3))'),
+            array('array_multisort($a, SORT_NATURAL, SORT_ASC, SORT_NATURAL, $b)'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/RequirePassTest.php

@@ -0,0 +1,95 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\RequirePass;
+
+class RequirePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new RequirePass());
+    }
+
+    /**
+     * @dataProvider exitStatements
+     */
+    public function testExitStatement($from, $to)
+    {
+        $this->assertProcessesAs($from, $to);
+    }
+
+    public function exitStatements()
+    {
+        $resolve = '\\Psy\\CodeCleaner\\RequirePass::resolve';
+
+        if (version_compare(PHP_VERSION, '5.4', '<')) {
+            return array(
+                array('require $foo', "require $resolve(\$foo, 1);"),
+                array('$bar = require $baz', "\$bar = (require $resolve(\$baz, 1));"),
+            );
+        }
+
+        return array(
+            // The basics
+            array('require "a"', "require $resolve(\"a\", 1);"),
+            array('require "b.php"', "require $resolve(\"b.php\", 1);"),
+            array('require_once "c"', "require_once $resolve(\"c\", 1);"),
+            array('require_once "d.php"', "require_once $resolve(\"d.php\", 1);"),
+
+            // Ensure that line numbers work correctly
+            array("null;\nrequire \"e.php\"", "null;\nrequire $resolve(\"e.php\", 2);"),
+            array("null;\nrequire_once \"f.php\"", "null;\nrequire_once $resolve(\"f.php\", 2);"),
+
+            // Things with expressions
+            array('require $foo', "require $resolve(\$foo, 1);"),
+            array('require_once $foo', "require_once $resolve(\$foo, 1);"),
+            array('require ($bar = "g.php")', "require $resolve(\$bar = \"g.php\", 1);"),
+            array('require_once ($bar = "h.php")', "require_once $resolve(\$bar = \"h.php\", 1);"),
+            array('$bar = require ($baz = "i.php")', "\$bar = (require $resolve(\$baz = \"i.php\", 1));"),
+            array('$bar = require_once ($baz = "j.php")', "\$bar = (require_once $resolve(\$baz = \"j.php\", 1));"),
+        );
+    }
+
+    /**
+     * @expectedException \Psy\Exception\FatalErrorException
+     * @expectedExceptionMessage Failed opening required 'not a file name' in eval()'d code on line 2
+     */
+    public function testResolve()
+    {
+        RequirePass::resolve('not a file name', 2);
+    }
+
+    /**
+     * @dataProvider emptyWarnings
+     *
+     * @expectedException \Psy\Exception\ErrorException
+     * @expectedExceptionMessage Filename cannot be empty on line 1
+     */
+    public function testResolveEmptyWarnings($file)
+    {
+        if (!E_WARNING & error_reporting()) {
+            $this->markTestSkipped();
+        }
+
+        RequirePass::resolve($file, 1);
+    }
+
+    public function emptyWarnings()
+    {
+        return array(
+            array(null),
+            array(false),
+            array(''),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/StaticConstructorPassTest.php

@@ -0,0 +1,94 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\StaticConstructorPass;
+
+class StaticConstructorPassTest extends CodeCleanerTestCase
+{
+    protected function setUp()
+    {
+        $this->setPass(new StaticConstructorPass());
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessInvalidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    /**
+     * @dataProvider invalidParserStatements
+     * @expectedException \Psy\Exception\ParseErrorException
+     */
+    public function testProcessInvalidStatementCatchedByParser($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        $statements = array(
+            array('class A { public static function A() {}}'),
+            array('class A { private static function A() {}}'),
+        );
+
+        if (version_compare(PHP_VERSION, '5.3.3', '<')) {
+            $statements[] = array('namespace B; class A { private static function A() {}}');
+        }
+
+        return $statements;
+    }
+
+    public function invalidParserStatements()
+    {
+        $statements = array(
+            array('class A { public static function __construct() {}}'),
+            array('class A { private static function __construct() {}}'),
+            array('class A { private static function __construct() {} public function A() {}}'),
+            array('namespace B; class A { private static function __construct() {}}'),
+        );
+
+        return $statements;
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessValidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        $statements = array(
+            array('class A { public static function A() {} public function __construct() {}}'),
+            array('class A { private function __construct() {} public static function A() {}}'),
+        );
+
+        if (version_compare(PHP_VERSION, '5.3.3', '>=')) {
+            $statements[] = array('namespace B; class A { private static function A() {}}');
+        }
+
+        return $statements;
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/StrictTypesPassTest.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\StrictTypesPass;
+
+class StrictTypesPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        if (version_compare(PHP_VERSION, '7.0', '<')) {
+            $this->markTestSkipped();
+        }
+
+        $this->setPass(new StrictTypesPass());
+    }
+
+    public function testProcess()
+    {
+        $this->assertProcessesAs('declare(strict_types=1)', 'declare (strict_types=1);');
+        $this->assertProcessesAs('null', "declare (strict_types=1);\nnull;");
+        $this->assertProcessesAs('declare(strict_types=0)', 'declare (strict_types=0);');
+        $this->assertProcessesAs('null', 'null;');
+    }
+
+    /**
+     * @dataProvider invalidDeclarations
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testInvalidDeclarations($declaration)
+    {
+        $stmts = $this->parse($declaration);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidDeclarations()
+    {
+        return array(
+            array('declare(strict_types=-1)'),
+            array('declare(strict_types=2)'),
+            array('declare(strict_types="foo")'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/UseStatementPassTest.php

@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\UseStatementPass;
+
+class UseStatementPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new UseStatementPass());
+    }
+
+    /**
+     * @dataProvider useStatements
+     */
+    public function testProcess($from, $to)
+    {
+        $this->assertProcessesAs($from, $to);
+    }
+
+    public function useStatements()
+    {
+        return array(
+            array(
+                "use StdClass as NotSoStd;\n\$std = new NotSoStd();",
+                '$std = new \\StdClass();',
+            ),
+            array(
+                "namespace Foo;\n\nuse StdClass as S;\n\$std = new S();",
+                "namespace Foo;\n\n\$std = new \\StdClass();",
+            ),
+            array(
+                "namespace Foo;\n\nuse \\StdClass as S;\n\$std = new S();",
+                "namespace Foo;\n\n\$std = new \\StdClass();",
+            ),
+            array(
+                "use Foo\\Bar as fb;\n\$baz = new fb\\Baz();",
+                '$baz = new \\Foo\\Bar\\Baz();',
+            ),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/ValidClassNamePassTest.php

@@ -0,0 +1,336 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\ValidClassNamePass;
+use Psy\Exception\Exception;
+
+class ValidClassNamePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new ValidClassNamePass());
+    }
+
+    /**
+     * @dataProvider getInvalid
+     */
+    public function testProcessInvalid($code, $php54 = false)
+    {
+        try {
+            $stmts = $this->parse($code);
+            $this->traverse($stmts);
+            $this->fail();
+        } catch (Exception $e) {
+            if ($php54 && version_compare(PHP_VERSION, '5.4', '<')) {
+                $this->assertInstanceOf('Psy\Exception\ParseErrorException', $e);
+            } else {
+                $this->assertInstanceOf('Psy\Exception\FatalErrorException', $e);
+            }
+        }
+    }
+
+    public function getInvalid()
+    {
+        // class declarations
+        return array(
+            // core class
+            array('class stdClass {}'),
+            // capitalization
+            array('class stdClass {}'),
+
+            // collisions with interfaces and traits
+            array('interface stdClass {}'),
+            array('trait stdClass {}', true),
+
+            // collisions inside the same code snippet
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+                class Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+                trait Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+            ', true),
+            array('
+                trait Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+                class Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+            ', true),
+            array('
+                trait Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+                interface Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+            ', true),
+            array('
+                interface Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+                trait Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+            ', true),
+            array('
+                interface Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+                class Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+                interface Psy_Test_CodeCleaner_ValidClassNamePass_Alpha {}
+            '),
+
+            // namespaced collisions
+            array('
+                namespace Psy\\Test\\CodeCleaner {
+                    class ValidClassNamePassTest {}
+                }
+            '),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    class Beta {}
+                }
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    class Beta {}
+                }
+            '),
+
+            // extends and implements
+            array('class ValidClassNamePassTest extends NotAClass {}'),
+            array('class ValidClassNamePassTest extends ArrayAccess {}'),
+            array('class ValidClassNamePassTest implements stdClass {}'),
+            array('class ValidClassNamePassTest implements ArrayAccess, stdClass {}'),
+            array('interface ValidClassNamePassTest extends stdClass {}'),
+            array('interface ValidClassNamePassTest extends ArrayAccess, stdClass {}'),
+
+            // class instantiations
+            array('new Psy_Test_CodeCleaner_ValidClassNamePass_Gamma();'),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    new Psy_Test_CodeCleaner_ValidClassNamePass_Delta();
+                }
+            '),
+
+            // class constant fetch
+            array('Psy\\Test\\CodeCleaner\\ValidClassNamePass\\NotAClass::FOO'),
+
+            // static call
+            array('Psy\\Test\\CodeCleaner\\ValidClassNamePass\\NotAClass::foo()'),
+            array('Psy\\Test\\CodeCleaner\\ValidClassNamePass\\NotAClass::$foo()'),
+        );
+    }
+
+    /**
+     * @dataProvider getValid
+     */
+    public function testProcessValid($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function getValid()
+    {
+        $valid = array(
+            // class declarations
+            array('class Psy_Test_CodeCleaner_ValidClassNamePass_Epsilon {}'),
+            array('namespace Psy\Test\CodeCleaner\ValidClassNamePass; class Zeta {}'),
+            array('
+                namespace { class Psy_Test_CodeCleaner_ValidClassNamePass_Eta {}; }
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    class Psy_Test_CodeCleaner_ValidClassNamePass_Eta {}
+                }
+            '),
+            array('namespace Psy\Test\CodeCleaner\ValidClassNamePass { class stdClass {} }'),
+
+            // class instantiations
+            array('new stdClass();'),
+            array('new stdClass();'),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    class Theta {}
+                }
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    new Theta();
+                }
+            '),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    class Iota {}
+                    new Iota();
+                }
+            '),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidClassNamePass {
+                    class Kappa {}
+                }
+                namespace {
+                    new \\Psy\\Test\\CodeCleaner\\ValidClassNamePass\\Kappa();
+                }
+            '),
+
+            // Class constant fetch (ValidConstantPassTest validates the actual constant)
+            array('class A {} A::FOO'),
+            array('$a = new DateTime; $a::ATOM'),
+            array('interface A { const B = 1; } A::B'),
+
+            // static call
+            array('DateTime::createFromFormat()'),
+            array('DateTime::$someMethod()'),
+            array('Psy\Test\CodeCleaner\Fixtures\ClassWithStatic::doStuff()'),
+            array('Psy\Test\CodeCleaner\Fixtures\ClassWithCallStatic::doStuff()'),
+
+            // Allow `self` and `static` as class names.
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function getInstance() {
+                        return new self();
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function getInstance() {
+                        return new SELF();
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function getInstance() {
+                        return new self;
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function getInstance() {
+                        return new static();
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function getInstance() {
+                        return new Static();
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function getInstance() {
+                        return new static;
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function foo() {
+                        return parent::bar();
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function foo() {
+                        return self::bar();
+                    }
+                }
+            '),
+            array('
+                class Psy_Test_CodeCleaner_ValidClassNamePass_ClassWithStatic {
+                    public static function foo() {
+                        return static::bar();
+                    }
+                }
+            '),
+
+            array('class A { static function b() { return new A; } }'),
+            array('
+                class A {
+                    const B = 123;
+                    function c() {
+                        return A::B;
+                    }
+                }
+            '),
+            array('class A {} class B { function c() { return new A; } }'),
+
+            // recursion
+            array('class A { function a() { A::a(); } }'),
+
+            // conditionally defined classes
+            array('
+                class A {}
+                if (false) {
+                    class A {}
+                }
+            '),
+            array('
+                class A {}
+                if (true) {
+                    class A {}
+                } else if (false) {
+                    class A {}
+                } else {
+                    class A {}
+                }
+            '),
+            // ewww
+            array('
+                class A {}
+                if (true):
+                    class A {}
+                elseif (false):
+                    class A {}
+                else:
+                    class A {}
+                endif;
+            '),
+            array('
+                class A {}
+                while (false) { class A {} }
+            '),
+            array('
+                class A {}
+                do { class A {} } while (false);
+            '),
+            array('
+                class A {}
+                switch (1) {
+                    case 0:
+                        class A {}
+                        break;
+                    case 1:
+                        class A {}
+                        break;
+                    case 2:
+                        class A {}
+                        break;
+                }
+            '),
+        );
+
+        // Ugh. There's gotta be a better way to test for this.
+        if (class_exists('PhpParser\ParserFactory')) {
+            // PHP 7.0 anonymous classes, only supported by PHP Parser v2.x
+            $valid[] = array('$obj = new class() {}');
+        }
+
+        if (version_compare(PHP_VERSION, '5.5', '>=')) {
+            $valid[] = array('interface A {} A::class');
+            $valid[] = array('interface A {} A::CLASS');
+            $valid[] = array('class A {} A::class');
+            $valid[] = array('class A {} A::CLASS');
+            $valid[] = array('A::class');
+            $valid[] = array('A::CLASS');
+        }
+
+        return $valid;
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/ValidConstantPassTest.php

@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\ValidConstantPass;
+
+class ValidConstantPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new ValidConstantPass());
+    }
+
+    /**
+     * @dataProvider getInvalidReferences
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessInvalidConstantReferences($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+    }
+
+    public function getInvalidReferences()
+    {
+        return array(
+            array('Foo\BAR'),
+
+            // class constant fetch
+            array('Psy\Test\CodeCleaner\ValidConstantPassTest::FOO'),
+            array('DateTime::BACON'),
+        );
+    }
+
+    /**
+     * @dataProvider getValidReferences
+     */
+    public function testProcessValidConstantReferences($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function getValidReferences()
+    {
+        return array(
+            array('PHP_EOL'),
+
+            // class constant fetch
+            array('NotAClass::FOO'),
+            array('DateTime::ATOM'),
+            array('$a = new DateTime; $a::ATOM'),
+            array('DateTime::class'),
+            array('$a = new DateTime; $a::class'),
+        );
+    }
+}

vendor/psy/psysh/test/Psy/Test/CodeCleaner/ValidFunctionNamePassTest.php

@@ -0,0 +1,184 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\ValidFunctionNamePass;
+
+class ValidFunctionNamePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new ValidFunctionNamePass());
+    }
+
+    /**
+     * @dataProvider getInvalidFunctions
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessInvalidFunctionCallsAndDeclarations($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+    }
+
+    public function getInvalidFunctions()
+    {
+        return array(
+            // function declarations
+            array('function array_merge() {}'),
+            array('function Array_Merge() {}'),
+            array('
+                function psy_test_codecleaner_validfunctionnamepass_alpha() {}
+                function psy_test_codecleaner_validfunctionnamepass_alpha() {}
+            '),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function beta() {}
+                }
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function beta() {}
+                }
+            '),
+
+            // function calls
+            array('psy_test_codecleaner_validfunctionnamepass_gamma()'),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    delta();
+                }
+            '),
+
+            // recursion
+            array('function a() { a(); } function a() {}'),
+        );
+    }
+
+    /**
+     * @dataProvider getValidFunctions
+     */
+    public function testProcessValidFunctionCallsAndDeclarations($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverse($stmts);
+
+        // @todo a better thing to assert here?
+        $this->assertTrue(true);
+    }
+
+    public function getValidFunctions()
+    {
+        return array(
+            array('function psy_test_codecleaner_validfunctionnamepass_epsilon() {}'),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function zeta() {}
+                }
+            '),
+            array('
+                namespace {
+                    function psy_test_codecleaner_validfunctionnamepass_eta() {}
+                }
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function psy_test_codecleaner_validfunctionnamepass_eta() {}
+                }
+            '),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function psy_test_codecleaner_validfunctionnamepass_eta() {}
+                }
+                namespace {
+                    function psy_test_codecleaner_validfunctionnamepass_eta() {}
+                }
+            '),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function array_merge() {}
+                }
+            '),
+
+            // function calls
+            array('array_merge();'),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function theta() {}
+                }
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    theta();
+                }
+            '),
+            // closures
+            array('$test = function(){};$test()'),
+            array('
+                namespace Psy\\Test\\CodeCleaner\\ValidFunctionNamePass {
+                    function theta() {}
+                }
+                namespace {
+                    Psy\\Test\\CodeCleaner\\ValidFunctionNamePass\\theta();
+                }
+            '),
+
+            // recursion
+            array('function a() { a(); }'),
+
+            // conditionally defined functions
+            array('
+                function a() {}
+                if (false) {
+                    function a() {}
+                }
+            '),
+            array('
+                function a() {}
+                if (true) {
+                    function a() {}
+                } else if (false) {
+                    function a() {}
+                } else {
+                    function a() {}
+                }
+            '),
+            // ewww
+            array('
+                function a() {}
+                if (true):
+                    function a() {}
+                elseif (false):
+                    function a() {}
+                else:
+                    function a() {}
+                endif;
+            '),
+            array('
+                function a() {}
+                while (false) { function a() {} }
+            '),
+            array('
+                function a() {}
+                do { function a() {} } while (false);
+            '),
+            array('
+                function a() {}
+                switch (1) {
+                    case 0:
+                        function a() {}
+                        break;
+                    case 1:
+                        function a() {}
+                        break;
+                    case 2:
+                        function a() {}
+                        break;
+                }
+            '),
+        );
+    }
+}