beg_idx = (beg_idx + 1) % pipe_buf.length;
        }
        return result;
    }

    @Override
    public int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    @Override
    public int read(final byte[] b, int off, final int len) throws IOException {
        int result = -1;
        int i;

        if (len <= 0) {
            return 0;

    val body = body("")
    val bytes = body.byteStream()
    assertThat(bytes.read()).isEqualTo(-1)
  }

  @Test
  fun byteStreamSeesBom() {
    val body = body("efbbbf68656c6c6f")
    val bytes = body.byteStream()
    assertThat(bytes.read()).isEqualTo(0xef)
    assertThat(bytes.read()).isEqualTo(0xbb)
    assertThat(bytes.read()).isEqualTo(0xbf)

    switch (state) {
      case DONE:
        return false;
      case READY:
        return true;
      default:
    }
    return tryToComputeNext();
  }

  private boolean tryToComputeNext() {
    state = State.FAILED; // temporary pessimism
    next = computeNext();
    if (state != State.DONE) {
      state = State.READY;
      return true;
    }
    return false;
  }

  @Override

            assertEquals(49, SMBUtil.readInt2(buffer, 0)); // Structure size
            assertEquals(2, buffer[2]); // Padding
            assertEquals(0x01, buffer[3]); // Read flags
            assertEquals(4096, SMBUtil.readInt4(buffer, 4)); // Read length
            assertEquals(8192L, SMBUtil.readInt8(buffer, 8)); // Offset
            assertArrayEquals(testFileId, Arrays.copyOfRange(buffer, 16, 32)); // File ID

     * Parses mapping rules in the format: input1,input2,... => output
     *
     * @param updater the mapping updater to use for writing changes, or null for read-only reload
     * @param in the input stream to read the mapping data from
     */
    protected void reload(final MappingUpdater updater, final InputStream in) {
        final Pattern parsePattern = Pattern.compile("(.*)\\s*=>\\s*(.*)\\s*$");

 * entries may be counted in {@link Cache#size}, but will never be visible to read or write
 * operations.
 *
 * <p>Certain cache configurations will result in the accrual of periodic maintenance tasks which
 * will be performed during write operations, or during occasional read operations in the absence of
 * writes. The {@link Cache#cleanUp} method of the returned cache will also perform maintenance, but

            // Simulate RDMA read operation
            log.debug("DiSNI RDMA read request: {} bytes from remote address 0x{}", bytesToRead, Long.toHexString(remoteAddress));

            return bytesToRead;

        } catch (Exception e) {
            state = RdmaConnectionState.ERROR;
            throw new IOException("DiSNI RDMA read failed", e);
        }
    }

    @Override

  # Enable debug for the `gradle-build-action` cache operations
  GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED: true

permissions: {}

jobs:
  build:
    name: "Compile All"
    permissions:
      contents: read
    runs-on: ubuntu-latest
    steps:
      - name: git clone
        uses: actions/checkout@v5
      - id: setup-matrix

ADMIN_EMAIL="******@****.***"
APP_NAME="ChimichangApp"
```

### Read settings from `.env` { #read-settings-from-env }

And then update your `config.py` with:

//// tab | Pydantic v2

{* ../../docs_src/settings/app03_an/config.py hl[9] *}

/// tip

        // Test with single permission
        testUser.setPermissions(new String[] { "read" });
        String[] permissions = fessUserBean.getPermissions();
        assertEquals(1, permissions.length);
        assertEquals("read", permissions[0]);

        // Test with multiple permissions
        testUser.setPermissions(new String[] { "read", "write", "delete" });
        permissions = fessUserBean.getPermissions();