public void SameObjectReturnsZero()
{
var nowInfo = A.Fake <FileInfoHandler>();
var first = new FileEntry(1, "first", null);
Assert.Equal(0, first.CompareTo(first));
}
public void ReturnZeroIfEqualContent()
{
var nowInfo = A.Fake <FileInfoHandler>();
A.CallTo(() => nowInfo.CreationTime).Returns(now);
A.CallTo(() => nowInfo.LastWriteTime).Returns(now);
var first = new FileEntry(1, "same", nowInfo);
var second = new FileEntry(1, "same", nowInfo);
Assert.Equal(0, first.CompareTo(second));
Assert.Equal(0, second.CompareTo(first));
}
public void SecondIsChosenIfEarlierCreateDate()
{
var nowInfo = A.Fake <FileInfoHandler>();
var earlierInfo = A.Fake <FileInfoHandler>();
A.CallTo(() => nowInfo.CreationTime).Returns(now);
A.CallTo(() => earlierInfo.CreationTime).Returns(earlier);
var first = new FileEntry(1, "first", nowInfo);
var second = new FileEntry(1, "second", earlierInfo);
Assert.Equal(1, first.CompareTo(second));
Assert.Equal(-1, second.CompareTo(first));
}
public void FirstChosenIfSameCreationAndLastWriteButLowerName()
{
var nowInfo = A.Fake <FileInfoHandler>();
var earlierInfo = A.Fake <FileInfoHandler>();
A.CallTo(() => nowInfo.CreationTime).Returns(now);
A.CallTo(() => earlierInfo.CreationTime).Returns(now);
A.CallTo(() => nowInfo.LastWriteTime).Returns(now);
A.CallTo(() => earlierInfo.LastWriteTime).Returns(now);
var first = new FileEntry(1, "A", nowInfo);
var second = new FileEntry(1, "B", earlierInfo);
Assert.Equal(-1, first.CompareTo(second));
Assert.Equal(1, second.CompareTo(first));
}
public void FollowsNull()
{
var only = new FileEntry(1, "followsNull", null);
Assert.Equal(1, only.CompareTo(null));
}
public void MustBeFileEntry()
{
var fail = new FileEntry(1, "fails", null);
Assert.Throws <ArgumentException>(() => fail.CompareTo(new object()));
}