//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldHandleReadAheadEmptyData() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldHandleReadAheadEmptyData()
{
// GIVEN
TrackingReader actual = new TrackingReader(0);
int bufferSize = 10;
CharReadable aheadReadable = ThreadAheadReadable.ThreadAhead(actual, bufferSize);
// WHEN
actual.AwaitCompletedReadAttempts(1);
// THEN
SectionedCharBuffer buffer = new SectionedCharBuffer(bufferSize);
buffer = aheadReadable.Read(buffer, buffer.Front());
assertEquals(buffer.Pivot(), buffer.Back());
assertEquals(buffer.Pivot(), buffer.Front());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldReadAhead() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldReadAhead()
{
// GIVEN
TrackingReader actual = new TrackingReader(23);
int bufferSize = 5;
CharReadable aheadReader = ThreadAheadReadable.ThreadAhead(actual, bufferSize);
SectionedCharBuffer buffer = new SectionedCharBuffer(bufferSize);
// WHEN starting it up it should read and fill the buffer to the brim
assertEquals(bufferSize, actual.AwaitCompletedReadAttempts(1));
// WHEN we read one buffer
int read = 0;
buffer = aheadReader.Read(buffer, buffer.Front());
AssertBuffer(Chars(read, bufferSize), buffer, 0, bufferSize);
read += buffer.Available();
// and simulate reading all characters, i.e. back section will be empty in the new buffer
buffer = aheadReader.Read(buffer, buffer.Front());
AssertBuffer(Chars(read, bufferSize), buffer, 0, bufferSize);
read += buffer.Available();
// then simulate reading some characters, i.e. back section will contain some characters
int keep = 2;
buffer = aheadReader.Read(buffer, buffer.Front() - keep);
AssertBuffer(Chars(read - keep, bufferSize + keep), buffer, keep, bufferSize);
read += buffer.Available();
keep = 3;
buffer = aheadReader.Read(buffer, buffer.Front() - keep);
AssertBuffer(Chars(read - keep, bufferSize + keep), buffer, keep, bufferSize);
read += buffer.Available();
keep = 1;
buffer = aheadReader.Read(buffer, buffer.Front() - keep);
assertEquals(3, buffer.Available());
AssertBuffer(Chars(read - keep, buffer.Available() + keep), buffer, keep, 3);
read += buffer.Available();
assertEquals(23, read);
}