public async Task ReverseReadsNextAsync()
{
var firstPageCount = 10;
var nextPageCount = 3;
var logReader = new PageReaderData()
{
Id = Fixture.TestName,
Count = firstPageCount
};
long pageTop = PageReaderData.EOF;
long pageBottom = (Fixture.LineCount - logReader.Count) * Fixture.TextLine(0).Length;
Assert.True(Fixture.LineCount > firstPageCount + nextPageCount, "Not enough lines to perform test.");
await LogPageReader.ReadFirstAsync(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(firstPageCount, logReader.Lines.Count());
pageTop = pageBottom;
pageBottom = (Fixture.LineCount - firstPageCount - nextPageCount) * Fixture.TextLine(0).Length;
logReader.Count = nextPageCount;
await LogPageReader.ReadNextAsync(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(nextPageCount, logReader.Lines.Count());
for (var i = 0; i < nextPageCount; i++)
{
Assert.Equal(Fixture.Text(Fixture.LineCount - firstPageCount - i), logReader.Lines.Skip(i).First());
}
}
public async Task <ActionResult> ReverseNext(PageReaderData logReader)
{
return(List(await LogPageReader.ReadNextAsync(logReader)));
}