From 701e7d9615cf0ff340a72d76ad2e148c9d37830d Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Mon, 29 May 2023 17:37:46 +0200
Subject: [PATCH] wip

---
 viper_test.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/viper_test.go b/viper_test.go
index 926ffc2..45c71e1 100644
--- a/viper_test.go
+++ b/viper_test.go
@@ -8,6 +8,7 @@ package viper
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"io"
 	"io/ioutil" //nolint:staticcheck
 	"os"
@@ -1484,6 +1485,21 @@ func TestWrongDirsSearchNotFoundForMerge(t *testing.T) {
 	assert.Equal(t, `default`, v.GetString(`key`))
 }
 
+func TestUnwrap(t *testing.T) {
+	yamlInvalid := []byte(`hash: map
+	- foo
+	- bar
+	`)
+
+	SetConfigType("yaml")
+	err := ReadConfig(bytes.NewBuffer(yamlInvalid))
+
+	var cpe ConfigParseError
+	if !errors.As(err, &cpe) {
+		t.Fatalf("not a ConfigParseError")
+	}
+}
+
 func TestSub(t *testing.T) {
 	v := New()
 	v.SetConfigType("yaml")