Cthulhu is no longer a fork. Now it is a screen reader written in Golang.

internal/ocr/cursor_continuous_test.go

@@ -0,0 +1,23 @@
+package ocr
+
+import "testing"
+
+func TestCursorReadAllAndRoutingOffsets(t *testing.T) {
+	cursor := NewCursor(Result{Text: "é one\n\n猫 two"})
+	if _, ok := cursor.Set(2); !ok {
+		t.Fatal("valid rune offset rejected")
+	}
+	lines := cursor.LinesFrom()
+	if len(lines) != 2 || lines[0].Text != "one" || lines[0].Offset != 2 || lines[1].Text != "猫 two" || lines[1].Offset != 7 {
+		t.Fatalf("lines from cursor: %+v", lines)
+	}
+	if _, ok := cursor.Set(-1); ok {
+		t.Fatal("negative route accepted")
+	}
+	if _, ok := cursor.Set(cursor.Length() + 1); ok {
+		t.Fatal("out of range route accepted")
+	}
+	if got, ok := cursor.Slice(0, 1); !ok || got != "é" {
+		t.Fatalf("rune selection: %q %t", got, ok)
+	}
+}