public async Task ShouldWaitForFreeSection()
{
// Given
var buffer = new BytesBuffer(PageSize);
// When
await buffer.GetEmptySegmentAsync(_token);
var task = buffer.GetEmptySegmentAsync(_token);
// Then
await AsyncAssert.NeverCompletesAsync(task);
}
public async Task ShouldGetCorrectFreeSegments()
{
// Given
var bufferSize = 10000;
var lastSegmentCount = bufferSize - PageSize * 2;
var buffer = new BytesBuffer(bufferSize);
// When
var segment1 = await buffer.GetEmptySegmentAsync(_token);
var segment2 = await buffer.GetEmptySegmentAsync(_token);
var segment3 = await buffer.GetEmptySegmentAsync(_token);
// Then
segment1.Count.ShouldBe(PageSize);
segment1.Offset.ShouldBe(0);
segment2.Count.ShouldBe(PageSize);
segment2.Offset.ShouldBe(PageSize);
segment3.Count.ShouldBe(lastSegmentCount);
segment3.Offset.ShouldBe(PageSize * 2);
}
public async Task ShouldGetCorrectOneFreeSegment()
{
// Given
var bufferSize = PageSize / 2;
var buffer = new BytesBuffer(bufferSize);
// When
var segment1 = await buffer.GetEmptySegmentAsync(_token);
// Then
segment1.Count.ShouldBe(bufferSize);
segment1.Offset.ShouldBe(0);
}
public async Task ShouldChangeSegmentSize()
{
// Given
var buffer = new BytesBuffer(PageSize);
var newSize = 100;
// When
var segment = await buffer.GetEmptySegmentAsync(_token);
await buffer.FillSegmentAsync(segment, newSize, _token);
var filledSegment = await buffer.GetFilledSegmentAsync(_token);
// Then
filledSegment.Count.ShouldBe(newSize);
}
public async Task ShouldWaitForFilledSegment()
{
// Given
var buffer = new BytesBuffer(PageSize);
// When
var segment = await buffer.GetEmptySegmentAsync(_token);
await buffer.FillSegmentAsync(segment, segment.Count, _token);
var filledSegment = await buffer.GetFilledSegmentAsync(_token);
var task = buffer.GetFilledSegmentAsync(_token);
// Then
await AsyncAssert.NeverCompletesAsync(task);
}