Preserve damaged backup evidence across later saves

2026-10-05 11:44:28 +09:00
parent 7c2f6d9fd1
commit 7641365e37
4 changed files with 24 additions and 1 deletions
@@ -75,6 +75,18 @@ namespace MagnetismHeroes.Tests
            Assert.That(Directory.GetFiles(_directory, "*.damaged-*").Select(File.ReadAllText), Does.Contain("broken-primary"));
            Assert.That(File.ReadAllText(_path + ".bak"), Is.EqualTo("broken-backup"));
        }
+        [Test] public void BothDamagedOriginalsSurviveTwoSubsequentSuccessfulWrites()
+        {
+            File.WriteAllText(_path, "distinct-broken-primary"); File.WriteAllText(_path + ".bak", "distinct-broken-backup");
+            var store = Store(); Assert.That(store.TryLoad(out _, out _), Is.False);
+            Assert.That(store.TrySave(new ProgressSave(), out var error), Is.True, error);
+            Assert.That(store.TrySave(Puzzle(), out error), Is.True, error);
+            var forensic = Directory.GetFiles(_directory, "*.damaged-*").Select(File.ReadAllText).ToArray();
+            Assert.That(forensic, Does.Contain("distinct-broken-primary"));
+            Assert.That(forensic, Does.Contain("distinct-broken-backup"));
+            Assert.That(store.TryLoad(out var restored, out error), Is.True, error);
+            Assert.That(restored.puzzleStates.Single().stageId, Is.EqualTo(1));
+        }
        [Test] public void InvalidGroupMembershipDoesNotReplaceAValidSave()
        {
            var store = Store(); var progress = Puzzle(); Assert.That(store.TrySave(progress, out _), Is.True);