script_segmenter: Add test case for circles (started to fail when moving to Unicode 16.0.0)

Signed-off-by: Christian Parpart <[email protected]>

Author: christianparpart

src/libunicode/script_segmenter_test.cpp

@@ -66,6 +66,18 @@ TEST_CASE("script_segmenter.greek_kanji_greek", "[script_segmenter]")
     REQUIRE_FALSE(r4.has_value());
 }
 
+TEST_CASE("script_segmenter.circles", "[script_segmenter]")
+{
+    auto constexpr str = U"◌́◌̀◌̈◌̂◌̄◌̊"sv;
+    auto seg = unicode::script_segmenter { str.data(), str.size() };
+
+    std::optional<unicode::script_segmenter::result> const r1 = seg.consume();
+    REQUIRE(r1.has_value());
+    auto const res1 = r1.value();
+    CHECK(res1.size == str.size());
+    CHECK(res1.script == unicode::Script::Common);
+}
+
 TEST_CASE("script_segmenter.latin_and_greek", "[script_segmenter]")
 {
     auto constexpr str = U"AB λ;"sv;