1 files changed, 109 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/examples/casemapping/test.cpp b/intl/icu_capi/cpp/examples/casemapping/test.cpp
new file mode 100644
index 0000000000..3559c5435d
--- /dev/null
+++ b/intl/icu_capi/cpp/examples/casemapping/test.cpp
@@ -0,0 +1,109 @@
+// This file is part of ICU4X. For terms of use, please see the file
+// called LICENSE at the top level of the ICU4X source tree
+// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
+
+#include "../../include/ICU4XCaseMapper.hpp"
+#include "../../include/ICU4XLogger.hpp"
+#include "../../include/ICU4XDataProvider.hpp"
+#include "../../include/ICU4XCodePointSetBuilder.hpp"
+#include "../../include/ICU4XTitlecaseOptionsV1.hpp"
+
+#include <iostream>
+
+int main() {
+    ICU4XLogger::init_simple_logger();
+    ICU4XLocale und = ICU4XLocale::create_from_string("und").ok().value();
+    ICU4XLocale greek = ICU4XLocale::create_from_string("el").ok().value();
+    ICU4XLocale turkish = ICU4XLocale::create_from_string("tr").ok().value();
+    ICU4XDataProvider dp = ICU4XDataProvider::create_compiled();
+
+    ICU4XCaseMapper cm = ICU4XCaseMapper::create(dp).ok().value();
+
+    ICU4XTitlecaseOptionsV1 tc_options = ICU4XTitlecaseOptionsV1::default_options();
+
+    std::string out = cm.lowercase("hEllO WorLd", und).ok().value();
+    std::cout << "Lowercased value is " << out << std::endl;
+    if (out != "hello world") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+    out = cm.uppercase("hEllO WorLd", und).ok().value();
+    std::cout << "Uppercased value is " << out << std::endl;
+    if (out != "HELLO WORLD") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+    out = cm.titlecase_segment_with_only_case_data_v1("hEllO WorLd", und, tc_options).ok().value();
+    std::cout << "Titlecased value is " << out << std::endl;
+    if (out != "Hello world") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+
+    // locale-specific behavior
+
+    out = cm.uppercase("Γειά σου Κόσμε", und).ok().value();
+    std::cout << "Uppercased value is " << out << std::endl;
+    if (out != "ΓΕΙΆ ΣΟΥ ΚΌΣΜΕ") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+    out = cm.uppercase("Γειά σου Κόσμε", greek).ok().value();
+    std::cout << "Uppercased value is " << out << std::endl;
+    if (out != "ΓΕΙΑ ΣΟΥ ΚΟΣΜΕ") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+    out = cm.uppercase("istanbul", und).ok().value();
+    std::cout << "Uppercased value is " << out << std::endl;
+    if (out != "ISTANBUL") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+    out = cm.uppercase("istanbul", turkish).ok().value();
+    std::cout << "Uppercased value is " << out << std::endl;
+    if (out != "İSTANBUL") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+
+    out = cm.fold("ISTANBUL").ok().value();
+    std::cout << "Folded value is " << out << std::endl;
+    if (out != "istanbul") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+    out = cm.fold_turkic("ISTANBUL").ok().value();
+    std::cout << "Turkic-folded value is " << out << std::endl;
+    if (out != "ıstanbul") {
+        std::cout << "Output does not match expected output" << std::endl;
+        return 1;
+    }
+
+    ICU4XCodePointSetBuilder builder = ICU4XCodePointSetBuilder::create();
+
+    cm.add_case_closure_to('s', builder);
+
+    auto set = builder.build();
+
+    if (set.contains('s')) {
+        std::cout << "Set contains 's', which was not expected" << std::endl;
+        return 1;
+    } 
+    if (!set.contains('S')) {
+        std::cout << "Set does not 'S', which was not expected" << std::endl;
+        return 1;
+    } 
+    if (!set.contains(U'ſ')) {
+        std::cout << "Set does not 'S', which was not expected" << std::endl;
+        return 1;
+    } 
+    return 0;
+}