Fixed exportVariable multiple backslash problem

src/Util/GlobalState.php

@@ -365,9 +365,9 @@ protected static function exportVariable($variable)
             return var_export($variable, true);
         }
 
-        return 'unserialize(\'' .
-                str_replace("'", "\'", serialize($variable)) .
-                '\')';
+        return 'unserialize(' .
+                var_export(serialize($variable), true) .
+                ')';
     }
 
     protected static function arrayOnlyContainsScalars(array $array)

tests/Util/GlobalStateTest.php

@@ -0,0 +1,91 @@
+<?php
+/**
+ * PHPUnit
+ *
+ * Copyright (c) 2001-2014, Sebastian Bergmann <[email protected]>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *
+ *   * Neither the name of Sebastian Bergmann nor the names of his
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package    PHPUnit
+ * @author     Blake Williams <[email protected]>
+ * @copyright  2001-2014 Sebastian Bergmann <[email protected]>
+ * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
+ * @link       http://www.phpunit.de/
+ */
+
+/**
+ *
+ *
+ * @package    PHPUnit
+ * @author     Blake Williams <[email protected]>
+ * @copyright  2001-2014 Sebastian Bergmann <[email protected]>
+ * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
+ * @link       http://www.phpunit.de/
+ */
+class Util_GlobalStateTest extends PHPUnit_Framework_TestCase
+{
+    public function validExportVariableProvider()
+    {
+        return array(
+            array("Hello"),
+            array(1),
+            array(1234.56),
+            array(0),
+            array(true),
+            array(false),
+            array(null),
+            array(array("foo")),
+            array(array(array("foo"))),
+            array((object)array("foo"=>"bar")),
+            array((object)array("foo"=>"back\\slash")),
+            array((object)array("foo"=>"back\\\\slash")),
+        );
+    }
+
+    /**
+     * @dataProvider validExportVariableProvider
+     * @covers       PHPUnit_Util_GlobalState::exportVariable
+     */
+    public function testValidExportVariable($value)
+    {
+        $method = new ReflectionMethod('PHPUnit_Util_GlobalState', 'exportVariable');
+        $method->setAccessible(true);
+        $exported = $method->invoke(null, $value);
+        if ($exported === false)
+            throw new UnexpectedValueException();
+
+        eval('$result = '.$exported.';');
+        if (is_object($value))
+            $this->assertEquals($value, $result);
+        else
+            $this->assertSame($value, $result);
+    }
+}