Add test for method default values with special chars

tests/MethodTest.php

@@ -47,6 +47,21 @@ class ExampleTest extends TestCase
         $this->assertEquals(['$last', '$first = \'Barry\'', '...$middle'], $method->getParamsWithDefault(false));
         $this->assertEquals(true, $method->shouldReturn());
     }
+
+    /**
+     * Test special characters in method
+     */
+    public function testSpecialChars()
+    {
+        $reflectionClass = new \ReflectionClass(ExampleClass::class);
+        $reflectionMethod = $reflectionClass->getMethod('setSpecialChars');
+
+        $method = new Method($reflectionMethod, 'Example', $reflectionClass);
+        $this->assertEquals('$chars', $method->getParams(true));
+        $this->assertEquals(['$chars'], $method->getParams(false));
+        $this->assertEquals('$chars = \'$\\\'\\\\\'', $method->getParamsWithDefault(true));
+        $this->assertEquals(['$chars = \'$\\\'\\\\\''], $method->getParamsWithDefault(false));
+    }
 }
 
 class ExampleClass
@@ -60,4 +75,9 @@ class ExampleClass
     {
         return;
     }
+
+    public function setSpecialChars($chars = "\$'\\")
+    {
+        return;
+    }
 }