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-rw-r--r--tests/unit/locale_test.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/tests/unit/locale_test.cpp b/tests/unit/locale_test.cpp
index 0e515f8c1..f73235005 100644
--- a/tests/unit/locale_test.cpp
+++ b/tests/unit/locale_test.cpp
@@ -26,4 +26,7 @@ TEST(LocaleTest, Misc) {
EXPECT_TRUE(matches_locale("en", "en_GB"));
EXPECT_FALSE(matches_locale("en_GB", "en"));
EXPECT_FALSE(matches_locale("en_GB", "en_US"));
+ EXPECT_FALSE(matches_locale("en_US", ""));
+ // Empty locale prefix in the PNG file will match the input locale.
+ EXPECT_TRUE(matches_locale("", "en_US"));
}