public void runSeekTest(CompressionCodec codec)
{
TestInStream.OutputCollector collect = new TestInStream.OutputCollector();
const int COUNT = 16384;
BitFieldWriter @out = new BitFieldWriter(
new OutStream("test", 500, codec, collect), 1);
TestInStream.PositionCollector[] positions =
new TestInStream.PositionCollector[COUNT];
for (int i = 0; i < COUNT; ++i)
{
positions[i] = new TestInStream.PositionCollector();
@out.getPosition(positions[i]);
// test runs, non-runs
if (i < COUNT / 2)
{
@out.write(i & 1);
}
else
{
@out.write((i / 3) & 1);
}
}
@out.flush();
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
#pragma warning disable 612
BitFieldReader @in = new BitFieldReader(InStream.create(null, "test",
new ByteBuffer[] { inBuf }, new long[] { 0 }, inBuf.remaining(),
codec, 500), 1);
#pragma warning restore 612
for (int i = 0; i < COUNT; ++i)
{
int x = @in.next();
if (i < COUNT / 2)
{
Assert.Equal(i & 1, x);
}
else
{
Assert.Equal((i / 3) & 1, x);
}
}
for (int i = COUNT - 1; i >= 0; --i)
{
@in.seek(positions[i]);
int x = @in.next();
if (i < COUNT / 2)
{
Assert.Equal(i & 1, x);
}
else
{
Assert.Equal((i / 3) & 1, x);
}
}
}
public void testBiggerItems()
{
TestInStream.OutputCollector collect = new TestInStream.OutputCollector();
const int COUNT = 16384;
BitFieldWriter @out = new BitFieldWriter(
new OutStream("test", 500, null, collect), 3);
for (int i = 0; i < COUNT; ++i)
{
// test runs, non-runs
if (i < COUNT / 2)
{
@out.write(i & 7);
}
else
{
@out.write((i / 3) & 7);
}
}
@out.flush();
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
#pragma warning disable 612
BitFieldReader @in = new BitFieldReader(InStream.create(null, "test",
new ByteBuffer[] { inBuf }, new long[] { 0 }, inBuf.remaining(),
null, 500), 3);
#pragma warning restore 612
for (int i = 0; i < COUNT; ++i)
{
int x = @in.next();
if (i < COUNT / 2)
{
Assert.Equal(i & 7, x);
}
else
{
Assert.Equal((i / 3) & 7, x);
}
}
}
public void testSkips()
{
TestInStream.OutputCollector collect = new TestInStream.OutputCollector();
BitFieldWriter @out = new BitFieldWriter(
new OutStream("test", 100, null, collect), 1);
const int COUNT = 16384;
for (int i = 0; i < COUNT; ++i)
{
if (i < COUNT / 2)
{
@out.write(i & 1);
}
else
{
@out.write((i / 3) & 1);
}
}
@out.flush();
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
#pragma warning disable 612
BitFieldReader @in = new BitFieldReader(InStream.create
(null, "test", new ByteBuffer[] { inBuf }, new long[] { 0 }, inBuf.remaining(),
null, 100), 1);
#pragma warning restore 612
for (int i = 0; i < COUNT; i += 5)
{
int x = (int)@in.next();
if (i < COUNT / 2)
{
Assert.Equal(i & 1, x);
}
else
{
Assert.Equal((i / 3) & 1, x);
}
if (i < COUNT - 5)
{
@in.skip(4);
}
@in.skip(0);
}
}
