chore(core): add a test to print out ICU and Unicode version

#10183

core/tests/unit/ldml/meson.build

@@ -91,14 +91,26 @@ if cpp_compiler.get_id() == 'emscripten'
   normalization_tests_flags += ['-lnodefs.js', '-sEXPORTED_RUNTIME_METHODS=[\'UTF8ToString\']']
 endif
 
-t = executable('test_context_normalization',
+tc = executable('test_context_normalization',
     ['test_context_normalization.cpp', '../emscripten_filesystem.cpp'],
     cpp_args: defns + warns,
     include_directories: [inc, libsrc, '../../../../developer/src/ext/json'],
     link_args: links + normalization_tests_flags,
     dependencies: [icu_uc, icu_i18n],
     objects: lib.extract_all_objects(recursive: false))
-test('test_context_normalization', t, suite: 'ldml')
+test('test_context_normalization', tc, suite: 'ldml')
+
+# Build and run additional test_unicode test
+
+u = executable('test_unicode', 'test_unicode.cpp',
+    'test_unicode.cpp',
+    cpp_args: defns + warns,
+    include_directories: [inc, libsrc, '../../../../developer/src/ext/json'],
+    link_args: links + tests_flags,
+    dependencies: [icu_uc, icu_i18n],
+    objects: lib.extract_all_objects(recursive: false))
+test('test_unicode', u, suite: 'ldml')
+
 
 # Run tests on all keyboards (`tests` defined in keyboards/meson.build)
 

core/tests/unit/ldml/test_unicode.cpp

@@ -0,0 +1,72 @@
+/*
+  Copyright:    © 2024 SIL International.
+  Description:  Tests for normalization in the context API.
+  Create Date:  3 May 2024
+  Authors:      Steven R. Loomis
+  History:      3 May 2024 - SRL - Initial implementation.
+*/
+
+#include <string>
+#include "keyman_core.h"
+
+#include "path.hpp"
+#include "action.hpp"
+
+#include <test_assert.h>
+#include "../emscripten_filesystem.h"
+#include <unicode/uversion.h>
+#include <unicode/uchar.h>
+
+//-------------------------------------------------------------------------------------
+// Unicode version tests
+//-------------------------------------------------------------------------------------
+
+std::string arg_path;
+
+void test_unicode_versions() {
+  std::cout << "== " << __FUNCTION__ << std::endl;
+
+  std::cout << "ICU: " << U_ICU_VERSION << std::endl;
+  std::cout << "Unicode: " << U_UNICODE_VERSION << std::endl;
+
+}
+
+void test_all() {
+  std::cout << "= " << __FUNCTION__ << std::endl;
+  test_unicode_versions();
+}
+
+//-------------------------------------------------------------------------------------
+// Launcher
+//-------------------------------------------------------------------------------------
+
+constexpr const auto help_str = "\
+test_unicode [--color]\n\
+\n\
+  --color         Force color output\n";
+
+int error_args() {
+  std::cerr << "test_unicode: Invalid arguments." << std::endl;
+  std::cout << help_str;
+  return 1;
+}
+
+int main(int argc, char *argv []) {
+  auto arg_color = argc > 1 && std::string(argv[1]) == "--color";
+  console_color::enabled = console_color::isaterminal() || arg_color;
+
+  // Get the path of the current executable
+  arg_path = argv[0];
+  auto last = arg_path.find_last_of("/\\");
+  if(last == std::string::npos) {
+    std::cerr << "could not parse argv[0]: " << argv[0] << std::endl;
+    return 1;
+  }
+  arg_path.resize(last+1);
+
+#ifdef __EMSCRIPTEN__
+  arg_path = get_wasm_file_path(arg_path);
+#endif
+
+  test_all();
+}