diff --git a/viper_test.go b/viper_test.go
index 57382b5..3244ad4 100644
--- a/viper_test.go
+++ b/viper_test.go
@@ -482,9 +482,86 @@ func TestSetEnvKeyReplacer(t *testing.T) {
 func TestAllKeys(t *testing.T) {
 	initConfigs()
 
-	ks := sort.StringSlice{"title", "newkey", "owner.organization", "owner.dob", "owner.bio", "name", "beard", "ppu", "batters.batter", "hobbies", "clothing.jacket", "clothing.trousers", "clothing.pants.size", "age", "hacker", "id", "type", "eyes", "p_id", "p_ppu", "p_batters.batter.type", "p_type", "p_name", "foos"}
+	ks := sort.StringSlice{
+		"title",
+		"newkey",
+		"owner.organization",
+		"owner.dob",
+		"owner.bio",
+		"name",
+		"beard",
+		"ppu",
+		"batters.batter",
+		"hobbies",
+		"clothing.jacket",
+		"clothing.trousers",
+		"clothing.pants.size",
+		"age",
+		"hacker",
+		"id",
+		"type",
+		"eyes",
+		"p_id",
+		"p_ppu",
+		"p_batters.batter.type",
+		"p_type",
+		"p_name",
+		"foos",
+	}
+
 	dob, _ := time.Parse(time.RFC3339, "1979-05-27T07:32:00Z")
-	all := map[string]interface{}{"owner": map[string]interface{}{"organization": "MongoDB", "bio": "MongoDB Chief Developer Advocate & Hacker at Large", "dob": dob}, "title": "TOML Example", "ppu": 0.55, "eyes": "brown", "clothing": map[string]interface{}{"trousers": "denim", "jacket": "leather", "pants": map[string]interface{}{"size": "large"}}, "id": "0001", "batters": map[string]interface{}{"batter": []interface{}{map[string]interface{}{"type": "Regular"}, map[string]interface{}{"type": "Chocolate"}, map[string]interface{}{"type": "Blueberry"}, map[string]interface{}{"type": "Devil's Food"}}}, "hacker": true, "beard": true, "hobbies": []interface{}{"skateboarding", "snowboarding", "go"}, "age": 35, "type": "donut", "newkey": "remote", "name": "Cake", "p_id": "0001", "p_ppu": "0.55", "p_name": "Cake", "p_batters": map[string]interface{}{"batter": map[string]interface{}{"type": "Regular"}}, "p_type": "donut", "foos": []map[string]interface{}{map[string]interface{}{"foo": []map[string]interface{}{map[string]interface{}{"key": 1}, map[string]interface{}{"key": 2}, map[string]interface{}{"key": 3}, map[string]interface{}{"key": 4}}}}}
+	all := map[string]interface{}{
+		"owner": map[string]interface{}{
+			"organization": "MongoDB",
+			"bio":          "MongoDB Chief Developer Advocate & Hacker at Large",
+			"dob":          dob,
+		},
+		"title": "TOML Example",
+		"ppu":   0.55,
+		"eyes":  "brown",
+		"clothing": map[string]interface{}{
+			"trousers": "denim",
+			"jacket":   "leather",
+			"pants":    map[string]interface{}{"size": "large"},
+		},
+		"id": "0001",
+		"batters": map[string]interface{}{
+			"batter": []interface{}{
+				map[string]interface{}{"type": "Regular"},
+				map[string]interface{}{"type": "Chocolate"},
+				map[string]interface{}{"type": "Blueberry"},
+				map[string]interface{}{"type": "Devil's Food"},
+			},
+		},
+		"hacker": true,
+		"beard":  true,
+		"hobbies": []interface{}{
+			"skateboarding",
+			"snowboarding",
+			"go",
+		},
+		"age":    35,
+		"type":   "donut",
+		"newkey": "remote",
+		"name":   "Cake",
+		"p_id":   "0001",
+		"p_ppu":  "0.55",
+		"p_name": "Cake",
+		"p_batters": map[string]interface{}{
+			"batter": map[string]interface{}{"type": "Regular"},
+		},
+		"p_type": "donut",
+		"foos": []map[string]interface{}{
+			{
+				"foo": []map[string]interface{}{
+					{"key": 1},
+					{"key": 2},
+					{"key": 3},
+					{"key": 4},
+				},
+			},
+		},
+	}
 
 	var allkeys sort.StringSlice
 	allkeys = AllKeys()