2 files changed, 26 insertions, 0 deletions
diff --git a/tests/embind/embind_test.cpp b/tests/embind/embind_test.cpp
index dc052d1a..485cdfcd 100644
--- a/tests/embind/embind_test.cpp
+++ b/tests/embind/embind_test.cpp
@@ -233,6 +233,24 @@ void emval_test_call_function(val v, int i, float f, TupleVector tv, StructVecto
     v(i, f, tv, sv);
 }
 
+void optional_test_copy() {
+    using emscripten::internal::optional;
+
+    optional<int> foo = 22;
+    optional<int> bar(foo);
+
+    return bool(bar);
+}
+
+void optional_test_copy2() {
+    using emscripten::internal::optional;
+
+    optional<int> foo;
+    optional<int> bar(foo);
+
+    return bool(bar);
+}
+
 EMSCRIPTEN_BINDINGS(([]() {
     function("mallinfo", &emval_test_mallinfo);
 
@@ -337,4 +355,7 @@ EMSCRIPTEN_BINDINGS(([]() {
     function("emval_test_call_method3", &emval_test_call_method3);
 
     function("emval_test_call_function", &emval_test_call_function);
+
+    function('optional_test_copy', &optional_test_copy);
+    function('optional_test_copy2', &optional_test_copy2);
 }));
diff --git a/tests/embind/embind_test.js b/tests/embind/embind_test.js
index 8c61553b..9ba6a48f 100644
--- a/tests/embind/embind_test.js
+++ b/tests/embind/embind_test.js
@@ -390,4 +390,9 @@ module({
             assert.deepEqual(['called'], calls);
         },
     });
+
+    test('emscripten::internal::optional', function () {
+        assert.true(cm.optional_test_copy());
+        assert.false(cm.optional_test_copy2());
+    });
 });