src[srcIndex] = 0x04;

        // B-node (00)
        System.arraycopy("BNODE           ".getBytes("US-ASCII"), 0, src, srcIndex + 1, 16);
        src[srcIndex + 16] = 0x00;
        src[srcIndex + 17] = 0x04; // 00000100 - B-node, active

        // P-node (01)
        System.arraycopy("PNODE           ".getBytes("US-ASCII"), 0, src, srcIndex + 19, 16);
        src[srcIndex + 34] = 0x00;

import org.junit.jupiter.api.Disabled
import org.junit.jupiter.api.Test

internal class DerTest {
  @Test fun `decode tag and length`() {
    val buffer =
      Buffer()
        .writeByte(0b00011110)
        .writeByte(0b10000001)
        .writeByte(0b11001001)

    val derReader = DerReader(buffer)

    derReader.read("test") { header ->

    }

    @Test
    @DisplayName("Should check capability correctly")
    void testHaveCapability() throws Exception {
        // Given
        setPrivateField(response, "commonCapabilities", 0x2F); // 0010 1111

        // Then
        assertTrue(response.haveCapabilitiy(0x01)); // Has this bit
        assertTrue(response.haveCapabilitiy(0x0F)); // Has all these bits