testReaderIndexLargerThanWriterIndex() — netty Function Reference

Architecture documentation for the testReaderIndexLargerThanWriterIndex() function in AbstractByteBufTest.java from the netty codebase.

Function java Buffer Telemetry

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Buffer→ Telemetry→ testReaderIndexLargerThanWriterIndex() — netty Function Reference

Dependency Diagram

graph TD
  3d0566c3_bc7e_4ddb_cbea_2aa7332e0999["testReaderIndexLargerThanWriterIndex()"]
  6540f2d1_cdad_6705_dd1d_9a24e2e53242["AbstractByteBufTest"]
  3d0566c3_bc7e_4ddb_cbea_2aa7332e0999 -->|defined in| 6540f2d1_cdad_6705_dd1d_9a24e2e53242
  style 3d0566c3_bc7e_4ddb_cbea_2aa7332e0999 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java lines 6200–6224

    @Test
    public void testReaderIndexLargerThanWriterIndex() {
        String content1 = "hello";
        String content2 = "world";
        int length = content1.length() + content2.length();
        final ByteBuf buffer = newBuffer(length);
        buffer.setIndex(0, 0);
        buffer.writeCharSequence(content1, CharsetUtil.US_ASCII);
        buffer.markWriterIndex();
        buffer.skipBytes(content1.length());
        buffer.writeCharSequence(content2, CharsetUtil.US_ASCII);
        buffer.skipBytes(content2.length());
        assertTrue(buffer.readerIndex() <= buffer.writerIndex());

        try {
            assertThrows(IndexOutOfBoundsException.class, new Executable() {
                @Override
                public void execute() {
                    buffer.resetWriterIndex();
                }
            });
        } finally {
            buffer.release();
        }
    }