assertThat(readFully(reader)).isEqualTo(string.substring(5));
    assertFullyRead(reader);
  }

  public void testIllegalArguments() throws IOException {
    CharSequenceReader reader = new CharSequenceReader("12345");

    char[] buf = new char[10];
    assertThrows(IndexOutOfBoundsException.class, () -> reader.read(buf, 0, 11));

    assertThrows(IndexOutOfBoundsException.class, () -> reader.read(buf, 10, 1));

        // Writing threshold + 1 bytes should go to file
        ContentOutputStream cos = new ContentOutputStream(5, Curl.tmpDir);
        cos.write(new byte[] { 0, 1, 2, 3, 4, 5 });
        assertFalse(cos.isInMemory());
        assertFalse(cos.done);
        File file = cos.getFile();
        assertTrue(file.exists());
        cos.close();
    }

    @Test

    ticker.advance(8998);
    assertThat(stopwatch.toString()).isEqualTo("9.999 \u03bcs");
    stopwatch.reset();
    stopwatch.start();
    ticker.advance(1234567);
    assertThat(stopwatch.toString()).isEqualTo("1.235 ms");
    stopwatch.reset();
    stopwatch.start();
    ticker.advance(5000000000L);
    assertThat(stopwatch.toString()).isEqualTo("5.000 s");
    stopwatch.reset();

    }
  }

  public void testDecodeInt() {
    assertThat(UnsignedInts.decode("0xffffffff")).isEqualTo(0xffffffff);
    assertThat(UnsignedInts.decode("01234567")).isEqualTo(01234567); // octal
    assertThat(UnsignedInts.decode("#12345678")).isEqualTo(0x12345678);
    assertThat(UnsignedInts.decode("76543210")).isEqualTo(76543210);
    assertThat(UnsignedInts.decode("0x13579135")).isEqualTo(0x13579135);

  }

  public void testDecodeLong() {
    assertThat(UnsignedLongs.decode("0xffffffffffffffff")).isEqualTo(0xffffffffffffffffL);
    assertThat(UnsignedLongs.decode("01234567")).isEqualTo(01234567); // octal
    assertThat(UnsignedLongs.decode("#1234567890abcdef")).isEqualTo(0x1234567890abcdefL);
    assertThat(UnsignedLongs.decode("987654321012345678")).isEqualTo(987654321012345678L);

    serverWriter.writeMessageFrame(OPCODE_TEXT, payload)
    assertData("8105")
    assertData(payload)
  }

  @Test fun serverLargeBufferedPayloadWrittenAsOneFrame() {
    val length = 12345
    val payload: ByteString = (binaryData(length))
    serverWriter.writeMessageFrame(OPCODE_TEXT, payload)
    assertData("817e")
    assertData(format("%04x", length))
    assertData(payload)
  }

    assertThat(readFully(reader)).isEqualTo(string.substring(5));
    assertFullyRead(reader);
  }

  public void testIllegalArguments() throws IOException {
    CharSequenceReader reader = new CharSequenceReader("12345");

    char[] buf = new char[10];
    assertThrows(IndexOutOfBoundsException.class, () -> reader.read(buf, 0, 11));

    assertThrows(IndexOutOfBoundsException.class, () -> reader.read(buf, 10, 1));

func TestRTrimSlice(t *testing.T) {
	tests := []struct {
		name     string
		input    []int
		trimLen  int
		expected []int
	}{
		{
			name:     "Trim two elements from end",
			input:    []int{1, 2, 3, 4, 5},
			trimLen:  2,
			expected: []int{1, 2, 3},
		},
		{
			name:     "Trim entire slice",
			input:    []int{1, 2, 3},
			trimLen:  3,
			expected: []int{},
		},
		{

    assertCrc(0xf3dbd4fe, "1234567890".getBytes(UTF_8));
    assertCrc(0xBFE92A83, "23456789".getBytes(UTF_8));
  }

  public void testAgainstSimplerImplementation() {
    Random r = new Random(1234567);
    for (int length = 0; length < 1000; length++) {
      byte[] bytes = new byte[length];
      r.nextBytes(bytes);
      assertCrc(referenceCrc(bytes), bytes);
    }
  }

    }

    @Test
    void constructor_shouldThrowSmbExceptionOnRpcError() throws IOException {
        // Arrange
        String server = "testServer";
        int access = 123;
        int errorCode = 12345;

        doAnswer(invocation -> {
            MsrpcLsarOpenPolicy2 rpc = invocation.getArgument(0);
            rpc.retval = errorCode; // Simulate RPC error
            return null;