Merge d638408 into c00e843

.gitignore

@@ -2,3 +2,4 @@
 /docs
 /nbproject
 /vendor
+.idea

src/main/php/org/bovigo/vfs/vfsStreamWrapper.php

@@ -774,6 +774,10 @@ public function rename($path_from, $path_to)
             trigger_error('Target is not a directory', E_USER_WARNING);
             return false;
         }
+        if (!$srcContent->isWritable(vfsStream::getCurrentUser(), vfsStream::getCurrentGroup())) {
+            trigger_error('Permission denied', E_USER_WARNING);
+            return false;
+        }
 
         // remove old source first, so we can rename later
         // (renaming first would lead to not being able to remove the old path)

src/test/php/org/bovigo/vfs/vfsStreamWrapperFileTestCase.php

@@ -444,6 +444,18 @@ public function cannotRenameToNonWritableDir()
         $this->assertFalse(@rename($this->baz2URL, vfsStream::url('foo/bar/baz3')));
     }
 
+    /**
+     * @test
+     */
+    public function cannotRenameNotWritableFile()
+    {
+        $this->baz1->chmod(0400);
+        $oldName = $this->baz1->url();
+        $newName = $this->baz1->url() . '.new';
+
+        $this->assertFalse(@rename($oldName, $newName));
+    }
+
     /**
      * @test
      * @group issue_38