Unit test for LanguageTagIcu::getDisplayName()

Change-Id: Ibe95fba21ed94be7fb4848f19161d492bc403e4d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120798
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>

2 files changed, 77 insertions, 0 deletions

diff --git a/i18nlangtag/CppunitTest_i18nlangtag_test_languagetag.mk b/i18nlangtag/CppunitTest_i18nlangtag_test_languagetag.mk
index 72402632d341..801bfe7b99ff 100644
--- a/i18nlangtag/CppunitTest_i18nlangtag_test_languagetag.mk
+++ b/i18nlangtag/CppunitTest_i18nlangtag_test_languagetag.mk
@@ -21,6 +21,8 @@ $(eval $(call gb_CppunitTest_use_libraries,i18nlangtag_test_languagetag,\
 ))
 
 $(eval $(call gb_CppunitTest_use_externals,i18nlangtag_test_languagetag,\
+	icu_headers \
+	icuuc \
 	liblangtag \
 	libxml2 \
 ))
diff --git a/i18nlangtag/qa/cppunit/test_languagetag.cxx b/i18nlangtag/qa/cppunit/test_languagetag.cxx
index c3dfb151e14e..8f76fb58d6f1 100644
--- a/i18nlangtag/qa/cppunit/test_languagetag.cxx
+++ b/i18nlangtag/qa/cppunit/test_languagetag.cxx
@@ -16,6 +16,7 @@
 
 #include <i18nlangtag/mslangid.hxx>
 #include <i18nlangtag/languagetag.hxx>
+#include <i18nlangtag/languagetagicu.hxx>
 
 #include <rtl/ustring.hxx>
 
@@ -33,10 +34,12 @@ public:
 
     void testAllTags();
     void testAllIsoLangEntries();
+    void testDisplayNames();
 
     CPPUNIT_TEST_SUITE(TestLanguageTag);
     CPPUNIT_TEST(testAllTags);
     CPPUNIT_TEST(testAllIsoLangEntries);
+    CPPUNIT_TEST(testDisplayNames);
     CPPUNIT_TEST_SUITE_END();
 };
 
@@ -803,6 +806,78 @@ void TestLanguageTag::testAllIsoLangEntries()
     //CPPUNIT_ASSERT( true == false );
 }
 
+void TestLanguageTag::testDisplayNames()
+{
+    OUString aStr;
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-US"), LanguageTag("en-US"));
+    CPPUNIT_ASSERT_EQUAL( OUString("English (United States)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-US"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("English (United States)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("English"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-US"), LanguageTag("de-DE"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Englisch (Vereinigte Staaten)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-US"), LanguageTag("de"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Englisch (Vereinigte Staaten)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en"), LanguageTag("de"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Englisch"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("de-DE"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("German (Germany)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("de"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("German"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("de-DE-1901"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("German (Germany, Traditional German orthography)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("de-DE-1901"), LanguageTag("de-DE"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Deutsch (Deutschland, Alte deutsche Rechtschreibung)"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-GB"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("English (United Kingdom)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-GB-oxendict"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("English (United Kingdom, Oxford English Dictionary spelling)"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("ca-ES-valencia"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Catalan (Spain, Valencian)"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("sr-Cyrl-RS"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Serbian (Serbia)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("sr-Latn-RS"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Serbian (Latin, Serbia)"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("tlh"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Klingon"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("und"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Unknown language"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("zxx"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("No linguistic content"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("x-lala"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Unknown language (Private-Use=lala)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("x-lala"), LanguageTag("de"));
+    CPPUNIT_ASSERT_EQUAL( OUString("Unbekannte Sprache (Privatnutzung=lala)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-GB"), LanguageTag("x-lala"));
+    CPPUNIT_ASSERT_EQUAL( OUString("en (GB)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-GB-oxendict"), LanguageTag("x-lala"));
+    CPPUNIT_ASSERT_EQUAL( OUString("en (GB, OXENDICT)"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("unreg-and-bad"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("unreg (Andorra, BAD)"), aStr);  // a tad of a surprise..
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("en-029"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("English (Caribbean)"), aStr);
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("fr-015"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("French (Northern Africa)"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("qtz"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("qtz"), aStr);
+
+    aStr = LanguageTagIcu::getDisplayName( LanguageTag("*"), LanguageTag("en"));
+    CPPUNIT_ASSERT_EQUAL( OUString("*"), aStr);
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION( TestLanguageTag );
 
 }