Merge origin/testing into hunter

internal/review/document_native_caret_test.go

@@ -90,6 +90,23 @@ func TestNativeCaretRejectsAmbiguousOffsetDomains(t *testing.T) {
 	}
 }
 
+type expandedCaretReader map[atspi.ObjectID]atspi.DocumentCaretText
+
+func (reader expandedCaretReader) ReadDocumentCaret(_ context.Context, object atspi.ObjectReference, _ int, _ atspi.DocumentCaretUnit) (atspi.DocumentCaretText, error) {
+	return reader[object.ID()], nil
+}
+
+func TestNativeCaretRejectsMatchingExpandedTextWithDifferentNativeOffsets(t *testing.T) {
+	cursor := mirroredCaretCursor(t, caretTextReader{webID("/paragraph"): "\ufffcxy", webID("/text"): "axy"}, false)
+	reader := expandedCaretReader{
+		webID("/paragraph"): {Start: 0, End: 3, RawText: "\ufffcxy", Text: "axy", Expanded: true},
+		webID("/text"):      {Start: 0, End: 3, RawText: "axy", Text: "axy"},
+	}
+	if err := cursor.syncNativeCaret(context.Background(), reader, webID("/paragraph"), 1); !errors.Is(err, atspi.ErrNoDocumentCaret) {
+		t.Fatalf("expanded display text authorized native offset transfer: %v", err)
+	}
+}
+
 func TestWorkerNativeCaretHandoffPrecedesNextArrow(t *testing.T) {
 	text := caretTextReader{webID("/text"): "When autocomplete"}
 	navigator := &boundaryNavigator{fakeCapturer: &fakeCapturer{}, caretTextReader: text}