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ProtobufVarint32LengthFieldPrependerTest Class — netty Architecture

Architecture documentation for the ProtobufVarint32LengthFieldPrependerTest class in ProtobufVarint32LengthFieldPrependerTest.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  6eaee290_afed_8a50_d035_25ef3cea2e1f["ProtobufVarint32LengthFieldPrependerTest"]
  2e43e6f2_43ec_6305_afe1_4f5c9a4702ab["ProtobufVarint32LengthFieldPrependerTest.java"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|defined in| 2e43e6f2_43ec_6305_afe1_4f5c9a4702ab
  fc861352_de76_0f33_f482_ce9d1ba68d2a["setUp()"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|method| fc861352_de76_0f33_f482_ce9d1ba68d2a
  4ef7e0a1_6114_5224_696d_eb58bcc532a2["testSize1Varint()"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|method| 4ef7e0a1_6114_5224_696d_eb58bcc532a2
  46b87780_dbdb_8b9c_b7e2_9d5c5b4c63ac["testSize2Varint()"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|method| 46b87780_dbdb_8b9c_b7e2_9d5c5b4c63ac
  901c51a0_35f8_47ad_5d37_c8777981fdaa["testSize3Varint()"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|method| 901c51a0_35f8_47ad_5d37_c8777981fdaa
  a0e8cfba_48fd_051d_1689_75f9ac061d9b["testSize4Varint()"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|method| a0e8cfba_48fd_051d_1689_75f9ac061d9b
  adc9573b_cbcd_c627_ea7f_ab445f91f417["testTinyEncode()"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|method| adc9573b_cbcd_c627_ea7f_ab445f91f417
  56756ab4_e132_ddb6_e1f4_74f764d2baef["testRegularDecode()"]
  6eaee290_afed_8a50_d035_25ef3cea2e1f -->|method| 56756ab4_e132_ddb6_e1f4_74f764d2baef

Relationship Graph

Source Code

codec-protobuf/src/test/java/io/netty/handler/codec/protobuf/ProtobufVarint32LengthFieldPrependerTest.java lines 28–202

public class ProtobufVarint32LengthFieldPrependerTest {

    private EmbeddedChannel ch;

    @BeforeEach
    public void setUp() {
        ch = new EmbeddedChannel(new ProtobufVarint32LengthFieldPrepender());
    }

    @Test
    public void testSize1Varint() {
        final int size = 1;
        final int num = 10;
        assertEquals(size, ProtobufVarint32LengthFieldPrepender.computeRawVarint32Size(num));
        final byte[] buf = new byte[size + num];
        //0000 1010
        buf[0] = 0x0A;
        for (int i = size; i < num + size; ++i) {
            buf[i] = 1;
        }
        assertTrue(ch.writeOutbound(wrappedBuffer(buf, size, buf.length - size)));

        ByteBuf expected = wrappedBuffer(buf);
        ByteBuf actual = ch.readOutbound();

        assertEquals(expected, actual);
        assertFalse(ch.finish());

        expected.release();
        actual.release();
    }

    @Test
    public void testSize2Varint() {
        final int size = 2;
        final int num = 266;
        assertEquals(size, ProtobufVarint32LengthFieldPrepender.computeRawVarint32Size(num));
        final byte[] buf = new byte[size + num];
        /**
         * 8    A    0    2
         * 1000 1010 0000 0010
         * 0000 1010 0000 0010
         * 0000 0010 0000 1010
         *  000 0010  000 1010
         *
         *  0000 0001 0000 1010
         *  0    1    0    A
         * 266
         */

        buf[0] = (byte) (0x8A & 0xFF);
        buf[1] = 0x02;
        for (int i = size; i < num + size; ++i) {
            buf[i] = 1;
        }
        assertTrue(ch.writeOutbound(wrappedBuffer(buf, size, buf.length - size)));

        ByteBuf expected = wrappedBuffer(buf);
        ByteBuf actual = ch.readOutbound();

        assertEquals(actual, expected);
        assertFalse(ch.finish());

        expected.release();
        actual.release();
    }

    @Test
    public void testSize3Varint() {
        final int size = 3;
        final int num = 0x4000;
        assertEquals(size, ProtobufVarint32LengthFieldPrepender.computeRawVarint32Size(num));
        final byte[] buf = new byte[size + num];
        /**
         * 8    0    8    0    0    1
         * 1000 0000 1000 0000 0000 0001
         * 0000 0000 0000 0000 0000 0001
         * 0000 0001 0000 0000 0000 0000
         *  000 0001  000 0000  000 0000
         *
         *    0 0000 0100 0000 0000 0000

Defined In

Source

Frequently Asked Questions

What is the ProtobufVarint32LengthFieldPrependerTest class?
ProtobufVarint32LengthFieldPrependerTest is a class in the netty codebase, defined in codec-protobuf/src/test/java/io/netty/handler/codec/protobuf/ProtobufVarint32LengthFieldPrependerTest.java.
Where is ProtobufVarint32LengthFieldPrependerTest defined?
ProtobufVarint32LengthFieldPrependerTest is defined in codec-protobuf/src/test/java/io/netty/handler/codec/protobuf/ProtobufVarint32LengthFieldPrependerTest.java at line 28.

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