utf8version_is_supported
KUNIT_EXPECT_TRUE(test, utf8version_is_supported(um, UNICODE_AGE(7, 0, 0)));
KUNIT_EXPECT_TRUE(test, utf8version_is_supported(um, UNICODE_AGE(9, 0, 0)));
KUNIT_EXPECT_TRUE(test, utf8version_is_supported(um, UTF8_LATEST));
KUNIT_EXPECT_FALSE(test, utf8version_is_supported(um, UNICODE_AGE(13, 0, 0)));
KUNIT_EXPECT_FALSE(test, utf8version_is_supported(um, UNICODE_AGE(0, 0, 0)));
KUNIT_EXPECT_FALSE(test, utf8version_is_supported(um, UNICODE_AGE(-1, -1, -1)));
if (!utf8version_is_supported(um, version))
EXPORT_SYMBOL_GPL(utf8version_is_supported);
int utf8version_is_supported(const struct unicode_map *um, unsigned int version);