From 2020c3f77d405508aec745dc9466ab05f1c12789 Mon Sep 17 00:00:00 2001
From: Jesse Wright <63333554+jeswr@users.noreply.github.com>
Date: Sun, 8 Sep 2024 22:43:10 +1000
Subject: [PATCH] chore: add mutation tests

---
 test/N3Store-test.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/N3Store-test.js b/test/N3Store-test.js
index b458e94..2945687 100644
--- a/test/N3Store-test.js
+++ b/test/N3Store-test.js
@@ -701,6 +701,11 @@ describe('Store', () => {
           expect(nextDataset.match(namedNode('s2'), null, null).has(new Quad('s2', 'p2', 'o2'))).toBe(true);
           expect(nextDataset.match(null, namedNode('p2'), null).has(new Quad('s2', 'p2', 'o2'))).toBe(true);
           expect(nextDataset.match(null, null, namedNode('o2')).has(new Quad('s2', 'p2', 'o2'))).toBe(true);
+          expect(nextDataset.size).toBe(2);
+          nextDataset.add(new Quad('s2', 'p1', 'onew'));
+          expect(nextDataset.size).toBe(3);
+          nextDataset.add(new Quad('s2', 'p1', 'onew'));
+          expect(nextDataset.size).toBe(3);
 
           nextDataset.delete(new Quad('s2', 'p1', 'o1'));
           nextDataset.delete(new Quad('s2', 'p2', 'o2'));