//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @ParameterizedTest @EnumSource(BufferFactories.class) void shouldReturnPositionWithinBufferedStream(System.Func<int, ByteBuffer> bufferFactory) throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldReturnPositionWithinBufferedStream(System.Func <int, ByteBuffer> bufferFactory)
{
// given
File file = new File("foo.txt");
int readAheadSize = 512;
int fileSize = readAheadSize * 8;
CreateFile(FileSystem, file, fileSize);
ReadAheadChannel <StoreChannel> bufferedReader = new ReadAheadChannel <StoreChannel>(FileSystem.open(file, OpenMode.READ), bufferFactory(readAheadSize));
// when
for (int i = 0; i < fileSize / Long.BYTES; i++)
{
assertEquals(Long.BYTES * i, bufferedReader.Position());
bufferedReader.Long;
}
assertEquals(fileSize, bufferedReader.Position());
try
{
bufferedReader.Long;
fail();
}
catch (ReadPastEndException)
{
// expected
}
assertEquals(fileSize, bufferedReader.Position());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @ParameterizedTest @EnumSource(BufferFactories.class) void shouldThrowExceptionForReadAfterEOFIfNotEnoughBytesExist(System.Func<int, ByteBuffer> bufferFactory) throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldThrowExceptionForReadAfterEOFIfNotEnoughBytesExist(System.Func <int, ByteBuffer> bufferFactory)
{
// Given
StoreChannel storeChannel = FileSystem.open(new File("foo.txt"), OpenMode.READ_WRITE);
ByteBuffer buffer = ByteBuffer.allocate(1);
buffer.put(( sbyte )1);
buffer.flip();
storeChannel.WriteAll(buffer);
storeChannel.Force(false);
storeChannel.close();
storeChannel = FileSystem.open(new File("foo.txt"), OpenMode.READ);
ReadAheadChannel <StoreChannel> channel = new ReadAheadChannel <StoreChannel>(storeChannel, bufferFactory(DEFAULT_READ_AHEAD_SIZE));
assertEquals(( sbyte )1, channel.Get());
try
{
channel.Get();
fail("Should have thrown exception signalling end of file reached");
}
catch (ReadPastEndException)
{
// outstanding
}
try
{
channel.Get();
fail("Should have thrown exception signalling end of file reached");
}
catch (ReadPastEndException)
{
// outstanding
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @ParameterizedTest @EnumSource(BufferFactories.class) void shouldReturnValueIfSufficientBytesAreBufferedEvenIfEOFHasBeenEncountered(System.Func<int, ByteBuffer> bufferFactory) throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldReturnValueIfSufficientBytesAreBufferedEvenIfEOFHasBeenEncountered(System.Func <int, ByteBuffer> bufferFactory)
{
// Given
StoreChannel storeChannel = FileSystem.open(new File("foo.txt"), OpenMode.READ_WRITE);
ByteBuffer buffer = ByteBuffer.allocate(1);
buffer.put(( sbyte )1);
buffer.flip();
storeChannel.WriteAll(buffer);
storeChannel.Force(false);
storeChannel.close();
storeChannel = FileSystem.open(new File("foo.txt"), OpenMode.READ);
ReadAheadChannel <StoreChannel> channel = new ReadAheadChannel <StoreChannel>(storeChannel, bufferFactory(DEFAULT_READ_AHEAD_SIZE));
try
{
channel.Short;
fail("Should have thrown exception signalling end of file reached");
}
catch (ReadPastEndException)
{
// outstanding
}
assertEquals(( sbyte )1, channel.Get());
try
{
channel.Get();
fail("Should have thrown exception signalling end of file reached");
}
catch (ReadPastEndException)
{
// outstanding
}
}