BTDBTest.KeyValueDBTest.CreateOrUpdateKeyValueWorks C# (CSharp) Méthode

        public void CreateOrUpdateKeyValueWorks(int length)
        {
            var valbuf = new byte[length];
            new Random(0).NextBytes(valbuf);
            using (var fileCollection = new InMemoryFileCollection())
            using (IKeyValueDB db = new KeyValueDB(fileCollection))
            {
                using (var tr1 = db.StartTransaction())
                {
                    Assert.True(tr1.CreateOrUpdateKeyValueUnsafe(_key1, valbuf));
                    Assert.False(tr1.CreateOrUpdateKeyValueUnsafe(_key1, valbuf));
                    Assert.True(tr1.CreateOrUpdateKeyValueUnsafe(Key2, valbuf));
                    tr1.Commit();
                }
                using (var tr2 = db.StartTransaction())
                {
                    Assert.True(tr2.FindExactKey(_key1));
                    var valbuf2 = tr2.GetValueAsByteArray();
                    for (int i = 0; i < length; i++)
                    {
                        if (valbuf[i] != valbuf2[i])
                            Assert.Equal(valbuf[i], valbuf2[i]);
                    }
                    Assert.True(tr2.FindExactKey(Key2));
                    valbuf2 = tr2.GetValueAsByteArray();
                    for (int i = 0; i < length; i++)
                    {
                        if (valbuf[i] != valbuf2[i])
                            Assert.Equal(valbuf[i], valbuf2[i]);
                    }
                }
            }
        }