1 files changed, 48 insertions, 0 deletions
diff --git a/libpod/container_internal_test.go b/libpod/container_internal_test.go
index f1e2b70a7..1654af929 100644
--- a/libpod/container_internal_test.go
+++ b/libpod/container_internal_test.go
@@ -17,6 +17,54 @@ import (
 // hookPath is the path to an example hook executable.
 var hookPath string
 
+func TestLocaleToLanguage(t *testing.T) {
+	for _, testCase := range []struct {
+		locale   string
+		language string
+	}{
+		{
+			locale:   "",
+			language: "und-u-va-posix",
+		},
+		{
+			locale:   "C",
+			language: "und-u-va-posix",
+		},
+		{
+			locale:   "POSIX",
+			language: "und-u-va-posix",
+		},
+		{
+			locale:   "c",
+			language: "und-u-va-posix",
+		},
+		{
+			locale:   "en",
+			language: "en",
+		},
+		{
+			locale:   "en_US",
+			language: "en-US",
+		},
+		{
+			locale:   "en.UTF-8",
+			language: "en",
+		},
+		{
+			locale:   "en_US.UTF-8",
+			language: "en-US",
+		},
+		{
+			locale:   "does-not-exist",
+			language: "does-not-exist",
+		},
+	} {
+		t.Run(testCase.locale, func(t *testing.T) {
+			assert.Equal(t, testCase.language, localeToLanguage(testCase.locale))
+		})
+	}
+}
+
 func TestPostDeleteHooks(t *testing.T) {
 	ctx := context.Background()
 	dir, err := ioutil.TempDir("", "libpod_test_")