testSetBytesOnReadOnlyByteBuffer() — netty Function Reference

Architecture documentation for the testSetBytesOnReadOnlyByteBuffer() function in UnsafeByteBufUtilTest.java from the netty codebase.

Function java Buffer Allocators

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Buffer→ Allocators→ testSetBytesOnReadOnlyByteBuffer() — netty Function Reference

Dependency Diagram

graph TD
  dedf2180_79a8_1238_c21f_db09c05bb774["testSetBytesOnReadOnlyByteBuffer()"]
  9a18ae5b_9169_5444_e060_c39f7f301455["UnsafeByteBufUtilTest"]
  dedf2180_79a8_1238_c21f_db09c05bb774 -->|defined in| 9a18ae5b_9169_5444_e060_c39f7f301455
  style dedf2180_79a8_1238_c21f_db09c05bb774 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/UnsafeByteBufUtilTest.java lines 38–58

    @Test
    public void testSetBytesOnReadOnlyByteBuffer() throws Exception {
        byte[] testData = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        int length = testData.length;

        ByteBuffer readOnlyBuffer = ByteBuffer.wrap(testData).asReadOnlyBuffer();

        UnpooledByteBufAllocator alloc = new UnpooledByteBufAllocator(true);
        UnpooledDirectByteBuf targetBuffer = new UnpooledDirectByteBuf(alloc, length, length);

        try {
            UnsafeByteBufUtil.setBytes(targetBuffer, directBufferAddress(targetBuffer.nioBuffer()), 0, readOnlyBuffer);

            byte[] check = new byte[length];
            targetBuffer.getBytes(0, check, 0, length);

            assertArrayEquals(testData, check, "The byte array's copy does not equal the original");
        } finally {
            targetBuffer.release();
        }
    }