public void writeBoolean(boolean value)
    {
        checkState(!closed);

        if (value) {
            data |= 0x1 << (7 - bitsInData);
        }
        bitsInData++;

        if (bitsInData == 8) {
            flushData();
        }
    }
@Test
    public void testWriteBoolean()
    {
        List<List<Integer>> testGroups = ImmutableList.of(
                ImmutableList.of(149, 317, 2),
                ImmutableList.of(2),
                ImmutableList.of(1, 2, 4, 0, 8),
                ImmutableList.of(1, 4, 8, 1024, 10000),
                ImmutableList.of(14000, 1, 2));

        DataSize compressionSize = new DataSize(1, KILOBYTE);
        for (List<Integer> counts : testGroups) {
            ColumnWriterOptions columnWriterOptions = ColumnWriterOptions.builder().setCompressionKind(NONE).setCompressionMaxBufferSize(compressionSize).build();
            OrcOutputBuffer buffer = new OrcOutputBuffer(columnWriterOptions, Optional.empty());
            BooleanOutputStream output = new BooleanOutputStream(buffer);

            // write multiple booleans together
            for (int count : counts) {
                output.writeBooleans(count, true);
                output.recordCheckpoint();
            }
            output.close();

            List<BooleanStreamCheckpoint> batchWriteCheckpoints = output.getCheckpoints();
            DynamicSliceOutput slice = new DynamicSliceOutput(128);
            buffer.writeDataTo(slice);
            Slice batchWriteBuffer = slice.slice();

            // write one boolean a time
            buffer.reset();
            output.reset();
            for (int count : counts) {
                for (int i = 0; i < count; i++) {
                    output.writeBoolean(true);
                }
                output.recordCheckpoint();
            }
            output.close();
            List<BooleanStreamCheckpoint> singleWriteCheckpoints = output.getCheckpoints();
            slice = new DynamicSliceOutput(128);
            buffer.writeDataTo(slice);
            Slice singleWriteBuffer = slice.slice();

            assertEquals(batchWriteCheckpoints.size(), singleWriteCheckpoints.size());
            for (int i = 0; i < batchWriteCheckpoints.size(); i++) {
                assertTrue(checkpointsEqual(batchWriteCheckpoints.get(i), singleWriteCheckpoints.get(i)));
            }
            assertEquals(batchWriteBuffer, singleWriteBuffer);
        }
    }