1 files changed, 10 insertions, 0 deletions
diff --git a/util/testutil.h b/util/testutil.h
index adad3fc1ea..d7e4583702 100644
--- a/util/testutil.h
+++ b/util/testutil.h
@@ -45,6 +45,16 @@ class ErrorEnv : public EnvWrapper {
     }
     return target()->NewWritableFile(fname, result);
   }
+
+  virtual Status NewAppendableFile(const std::string& fname,
+                                   WritableFile** result) {
+    if (writable_file_error_) {
+      ++num_writable_file_errors_;
+      *result = NULL;
+      return Status::IOError(fname, "fake error");
+    }
+    return target()->NewAppendableFile(fname, result);
+  }
 };
 
 }  // namespace test