public void TestFillDefault_SingleColumn() { var entries = new LogBufferList(Core.Columns.RawContent, Core.Columns.LogLevel); entries.Add(new ReadOnlyLogEntry(new Dictionary <IColumnDescriptor, object> { { Core.Columns.RawContent, "I" }, { Core.Columns.LogLevel, LevelFlags.Debug } })); entries.Add(new ReadOnlyLogEntry(new Dictionary <IColumnDescriptor, object> { { Core.Columns.RawContent, "want" }, { Core.Columns.LogLevel, LevelFlags.Info } })); entries.Add(new ReadOnlyLogEntry(new Dictionary <IColumnDescriptor, object> { { Core.Columns.RawContent, "a" }, { Core.Columns.LogLevel, LevelFlags.Warning } })); entries.Add(new ReadOnlyLogEntry(new Dictionary <IColumnDescriptor, object> { { Core.Columns.RawContent, "Clondyke" }, { Core.Columns.LogLevel, LevelFlags.Error } })); entries.Add(new ReadOnlyLogEntry(new Dictionary <IColumnDescriptor, object> { { Core.Columns.RawContent, "Bar" }, { Core.Columns.LogLevel, LevelFlags.Fatal } })); entries.FillDefault(Core.Columns.RawContent, 1, 3); entries.Count.Should().Be(5, "because the count shouldn't have been modified"); entries[0].RawContent.Should().Be("I", "because the first entry's raw content should NOT have been overwritten"); entries[0].LogLevel.Should().Be(LevelFlags.Debug, "because the first entry's raw content should NOT have been overwritten"); entries[1].RawContent.Should().Be(null, "because the second entry's raw content should have been overwritten"); entries[1].LogLevel.Should().Be(LevelFlags.Info, "because the second entry's raw content should NOT have been overwritten"); entries[2].RawContent.Should().Be(null, "because the third entry's raw content should have been overwritten"); entries[2].LogLevel.Should().Be(LevelFlags.Warning, "because the third entry's log level should NOT have been overwritten"); entries[3].RawContent.Should().Be(null, "because the fourth entry's raw content should have been overwritten"); entries[3].LogLevel.Should().Be(LevelFlags.Error, "because the fourth entry's log level should NOT have been overwritten"); entries[4].RawContent.Should().Be("Bar", "because the fifth entry's raw content should NOT have been overwritten"); entries[4].LogLevel.Should().Be(LevelFlags.Fatal, "because the fifth entry's log level should NOT have been overwritten"); }