public void PrevioustNameReturnsNullWhenPartNumberIsFirst() { // Arrange DataChunk dataChunk = new DataChunk { PartName = "test.jpg.part_1.10" }; // Act var result = dataChunk.PreviousName(); // Assert Assert.Null(result); }
public void PreviousNameReturnsSameNameWithPartNumberIncremented() { // Arrange DataChunk dataChunk = new DataChunk { PartName = "test.jpg.part_8.10" }; // Act var result = dataChunk.PreviousName(); // Assert Assert.Equal("test.jpg.part_7.10", result); }