diff --git a/common/include/test_assert.h b/common/include/test_assert.h
index 9669c16a02..7a48c9e178 100644
--- a/common/include/test_assert.h
+++ b/common/include/test_assert.h
@@ -28,25 +28,39 @@
 #ifdef try_status
 #undef try_status
 #endif
+#if defined(EXPECT_EQ)
+/* vector to GTest where available */
+#define try_status(expr) EXPECT_EQ((expr), KM_CORE_STATUS_OK)
+#else
 #define try_status(expr) { \
   auto __s = (expr); \
   if (__s != KM_CORE_STATUS_OK) { \
     _test_assert_failed(__s, u ## #expr); \
   } \
 }
+#endif
 
 #ifdef test_assert
 #undef test_assert
 #endif
+#if defined(EXPECT_TRUE)
+/* vector to GTest where available */
+# define test_assert(expr) EXPECT_TRUE(expr) << "test_assert failed"
+#else
 #define test_assert(expr) { \
   if (!(expr)) { \
     _test_assert_failed(0, u ## #expr); \
   } \
 }
+#endif
 
 #ifdef test_assert_equal
 #undef test_assert_equal
 #endif
+#if defined(EXPECT_EQ)
+/* vector to GTest where available */
+#define test_assert_equal(actual, expected) EXPECT_EQ(actual, expected)
+#else
 #define test_assert_equal(actual, expected) { \
   if ((actual) != (expected)) { \
     std::wcerr << console_color::fg(console_color::BRIGHT_RED) \
@@ -58,10 +72,15 @@
     std::exit(EXIT_FAILURE); \
   } \
 }
+#endif
 
 #ifdef test_assert_string_equal
 #undef test_assert_string_equal
 #endif
+#if defined(EXPECT_EQ)
+/* vector to GTest where available */
+#define test_assert_string_equal(actual, expected) EXPECT_EQ(actual, expected)
+#else
 #define test_assert_string_equal(actual, expected) { \
   if (u16cmp((actual), (expected)) != 0) { \
     std::wcerr << console_color::fg(console_color::BRIGHT_RED) \
@@ -73,3 +92,4 @@
     std::exit(EXIT_FAILURE); \
   } \
 }
+#endif
diff --git a/core/tests/unit/ldml/kmx_plus.tests.cpp b/core/tests/unit/ldml/kmx_plus.tests.cpp
index eed021664c..be8bd07215 100644
--- a/core/tests/unit/ldml/kmx_plus.tests.cpp
+++ b/core/tests/unit/ldml/kmx_plus.tests.cpp
@@ -1,4 +1,5 @@
 #include <cstdint>
+#include <gtest/gtest.h>
 #include <test_assert.h>
 #include "kmx/kmx_plus.h"
 #include "kmx/kmx_xstring.h"
@@ -12,9 +13,7 @@
 
 using namespace km::core::kmx;
 
-int test_COMP_KMXPLUS_KEYS_KEY() {
-  std::cout << "== " << __FUNCTION__ << std::endl;
-
+TEST(KMXPlusTest, test_COMP_KMXPLUS_KEYS_KEY) {
   COMP_KMXPLUS_KEYS_KEY e[2] = {
       {
           0x00000127,  // to = U+0127 = 295
@@ -55,13 +54,9 @@ int test_COMP_KMXPLUS_KEYS_KEY() {
   test_assert_equal(es1.at(0), 0xD83D);
   test_assert_equal(es1.at(1), 0xDE40);
   test_assert(es1 == std::u16string(u"🙀"));
-
-  return EXIT_SUCCESS;
 }
 
-int test_ldml_vkeys() {
-  std::cout << "== " << __FUNCTION__ << std::endl;
-
+TEST(KMXPlusTest, test_ldml_vkeys) {
   km::core::ldml::vkeys vk;
 
 #define ADD_VKEY(k, m) { \
@@ -151,13 +146,9 @@ int test_ldml_vkeys() {
     "K_E"), RCTRLFLAG|LALTFLAG, found), u"K_E-K_ALTFLAG|RCTRLFLAG");
   test_assert_equal(vk.lookup(km::tests::get_vk(
     "K_E"), RCTRLFLAG|RALTFLAG, found), u"K_E-K_ALTFLAG|RCTRLFLAG");
-
-  return EXIT_SUCCESS;
 }
 
-int test_uset() {
-  std::cout << "== " << __FUNCTION__ << std::endl;
-
+TEST(KMXPlusTest, test_uset) {
   const COMP_KMXPLUS_USET_RANGE r[] = {
     {0x61, 0x7a}, // [a-z]
     {0x127, 0x127} // [ħ]
@@ -171,31 +162,10 @@ int test_uset() {
   SimpleUSet uempty;
   test_assert_equal(uempty.contains(0x62), false);
   test_assert_equal(uempty.contains(0x127), false);
-
-  return EXIT_SUCCESS;
 }
 
-int
-main(int argc, const char *argv[]) {
-  int rc = EXIT_SUCCESS;
-
-  if (test_COMP_KMXPLUS_KEYS_KEY() != EXIT_SUCCESS) {
-    rc = EXIT_FAILURE;
-  }
-
-  if (test_ldml_vkeys() != EXIT_SUCCESS) {
-    rc = EXIT_FAILURE;
-  }
-
-  if (test_uset() != EXIT_SUCCESS) {
-    rc = EXIT_FAILURE;
-  }
-
-  if (rc == EXIT_FAILURE) {
-    std::cout << "== FAILURE" << std::endl;
-  } else {
-    std::cout << "== PASS" << std::endl;
-  }
-
-  return rc;
+GTEST_API_ int
+main(int argc, char **argv) {
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
 }
diff --git a/core/tests/unit/ldml/meson.build b/core/tests/unit/ldml/meson.build
index e7a271b91f..21ae49590d 100644
--- a/core/tests/unit/ldml/meson.build
+++ b/core/tests/unit/ldml/meson.build
@@ -19,6 +19,10 @@ if node.found()
   subdir('invalid-keyboards')
 endif
 
+gtest = subproject('gtest')
+gtest_dep = gtest.get_variable('gtest_dep')
+gmock_dep = gtest.get_variable('gmock_dep')
+
 # Build ldml test executable
 
 keyboard_build_path = meson.current_build_dir() / 'keyboards'
@@ -87,7 +91,7 @@ e = executable('kmx_plus_tests', 'kmx_plus.tests.cpp',
     cpp_args: defns + warns,
     include_directories: [inc, libsrc, '../../../../developer/src/ext/json'],
     link_args: links + tests_flags,
-    dependencies: [icu_uc, icu_i18n],
+    dependencies: [icu_uc, icu_i18n, gtest_dep, gmock_dep],
     objects: lib.extract_all_objects(recursive: false))
 test('kmx_plus_tests', e, suite: 'ldml')