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EmptyByteBufTest Class — netty Architecture

Architecture documentation for the EmptyByteBufTest class in EmptyByteBufTest.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  39b14dbe_5dfc_efb6_b919_0b1a849f7832["EmptyByteBufTest"]
  cb168a83_633a_b29c_730d_23579cf2d452["EmptyByteBufTest.java"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|defined in| cb168a83_633a_b29c_730d_23579cf2d452
  c525866b_3464_c918_4b19_352aab31e1ca["testIsContiguous()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| c525866b_3464_c918_4b19_352aab31e1ca
  ce380a6d_f5d7_7b83_f7b9_636d5b7af083["testIsWritable()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| ce380a6d_f5d7_7b83_f7b9_636d5b7af083
  72ea1553_3317_011f_328d_dd8ae76b8d04["testWriteEmptyByteBuf()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| 72ea1553_3317_011f_328d_dd8ae76b8d04
  b70f9ded_7757_e40e_772a_3468009ec8ea["testIsReadable()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| b70f9ded_7757_e40e_772a_3468009ec8ea
  67475a12_2eb5_55c7_d76d_158e53134f16["testArray()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| 67475a12_2eb5_55c7_d76d_158e53134f16
  63213a85_6393_3859_4384_04805daa66c6["testNioBuffer()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| 63213a85_6393_3859_4384_04805daa66c6
  156c6f54_9c2a_e09a_62b7_fa0451ba0fb5["testMemoryAddress()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| 156c6f54_9c2a_e09a_62b7_fa0451ba0fb5
  8f49832c_ec11_6e35_bd0a_9bf1b4550ddf["consistentEqualsAndHashCodeWithAbstractBytebuf()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| 8f49832c_ec11_6e35_bd0a_9bf1b4550ddf
  2c3226ad_04a2_60fa_c35b_f5c185177933["testGetCharSequence()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| 2c3226ad_04a2_60fa_c35b_f5c185177933
  1210e933_2580_bf81_4f65_2521a2b20e74["testReadString()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| 1210e933_2580_bf81_4f65_2521a2b20e74
  fb19f1a5_3df0_034c_31bf_d9c12ddb87cf["testReadStringThrowsIndexOutOfBoundsException()"]
  39b14dbe_5dfc_efb6_b919_0b1a849f7832 -->|method| fb19f1a5_3df0_034c_31bf_d9c12ddb87cf

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/EmptyByteBufTest.java lines 29–127

public class EmptyByteBufTest {

    @Test
    public void testIsContiguous() {
        EmptyByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        assertTrue(empty.isContiguous());
    }

    @Test
    public void testIsWritable() {
        EmptyByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        assertFalse(empty.isWritable());
        assertFalse(empty.isWritable(1));
    }

    @Test
    public void testWriteEmptyByteBuf() {
        EmptyByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        empty.writeBytes(Unpooled.EMPTY_BUFFER); // Ok
        ByteBuf nonEmpty = UnpooledByteBufAllocator.DEFAULT.buffer().writeBoolean(false);
        try {
            empty.writeBytes(nonEmpty);
            fail();
        } catch (IndexOutOfBoundsException ignored) {
            // Ignore.
        } finally {
            nonEmpty.release();
        }
    }

    @Test
    public void testIsReadable() {
        EmptyByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        assertFalse(empty.isReadable());
        assertFalse(empty.isReadable(1));
    }

    @Test
    public void testArray() {
        EmptyByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        assertTrue(empty.hasArray());
        assertEquals(0, empty.array().length);
        assertEquals(0, empty.arrayOffset());
    }

    @Test
    public void testNioBuffer() {
        EmptyByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        assertEquals(1, empty.nioBufferCount());
        assertEquals(0, empty.nioBuffer().position());
        assertEquals(0, empty.nioBuffer().limit());
        assertSame(empty.nioBuffer(), empty.internalNioBuffer(empty.readerIndex(), 0));
    }

    @Test
    public void testMemoryAddress() {
        EmptyByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        if (empty.hasMemoryAddress()) {
            assertNotEquals(0L, empty.memoryAddress());
        } else {
            try {
                empty.memoryAddress();
                fail();
            } catch (UnsupportedOperationException ignored) {
                // Ignore.
            }
        }
    }

    @Test
    public void consistentEqualsAndHashCodeWithAbstractBytebuf() {
        ByteBuf empty = new EmptyByteBuf(UnpooledByteBufAllocator.DEFAULT);
        ByteBuf emptyAbstract = new UnpooledHeapByteBuf(UnpooledByteBufAllocator.DEFAULT, 0, 0);
        assertEquals(emptyAbstract, empty);
        assertEquals(emptyAbstract.hashCode(), empty.hashCode());
        assertEquals(EmptyByteBuf.EMPTY_BYTE_BUF_HASH_CODE, empty.hashCode());
        assertTrue(emptyAbstract.release());
        assertFalse(empty.release());
    }

    @Test

Defined In

Source

Frequently Asked Questions

What is the EmptyByteBufTest class?
EmptyByteBufTest is a class in the netty codebase, defined in buffer/src/test/java/io/netty/buffer/EmptyByteBufTest.java.
Where is EmptyByteBufTest defined?
EmptyByteBufTest is defined in buffer/src/test/java/io/netty/buffer/EmptyByteBufTest.java at line 29.

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