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testEquals() — netty Function Reference

Architecture documentation for the testEquals() function in UnpooledTest.java from the netty codebase.

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Dependency Diagram

graph TD
  35051c12_71df_cb11_8ce7_4691871bd1b1["testEquals()"]
  57588d83_f329_0d85_cfc5_eea9b8d43e8f["UnpooledTest"]
  35051c12_71df_cb11_8ce7_4691871bd1b1 -->|defined in| 57588d83_f329_0d85_cfc5_eea9b8d43e8f
  style 35051c12_71df_cb11_8ce7_4691871bd1b1 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

buffer/src/test/java/io/netty/buffer/UnpooledTest.java lines 91–157

    @Test
    public void testEquals() {
        ByteBuf a, b;

        // Different length.
        a = wrappedBuffer(new byte[] { 1  });
        b = wrappedBuffer(new byte[] { 1, 2 });
        assertFalse(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Same content, same firstIndex, short length.
        a = wrappedBuffer(new byte[] { 1, 2, 3 });
        b = wrappedBuffer(new byte[] { 1, 2, 3 });
        assertTrue(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Same content, different firstIndex, short length.
        a = wrappedBuffer(new byte[] { 1, 2, 3 });
        b = wrappedBuffer(new byte[] { 0, 1, 2, 3, 4 }, 1, 3);
        assertTrue(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Different content, same firstIndex, short length.
        a = wrappedBuffer(new byte[] { 1, 2, 3 });
        b = wrappedBuffer(new byte[] { 1, 2, 4 });
        assertFalse(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Different content, different firstIndex, short length.
        a = wrappedBuffer(new byte[] { 1, 2, 3 });
        b = wrappedBuffer(new byte[] { 0, 1, 2, 4, 5 }, 1, 3);
        assertFalse(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Same content, same firstIndex, long length.
        a = wrappedBuffer(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
        b = wrappedBuffer(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
        assertTrue(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Same content, different firstIndex, long length.
        a = wrappedBuffer(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
        b = wrappedBuffer(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 1, 10);
        assertTrue(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Different content, same firstIndex, long length.
        a = wrappedBuffer(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
        b = wrappedBuffer(new byte[] { 1, 2, 3, 4, 6, 7, 8, 5, 9, 10 });
        assertFalse(ByteBufUtil.equals(a, b));
        a.release();
        b.release();

        // Different content, different firstIndex, long length.
        a = wrappedBuffer(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
        b = wrappedBuffer(new byte[] { 0, 1, 2, 3, 4, 6, 7, 8, 5, 9, 10, 11 }, 1, 10);
        assertFalse(ByteBufUtil.equals(a, b));
        a.release();
        b.release();
    }

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Frequently Asked Questions

What does testEquals() do?
testEquals() is a function in the netty codebase, defined in buffer/src/test/java/io/netty/buffer/UnpooledTest.java.
Where is testEquals() defined?
testEquals() is defined in buffer/src/test/java/io/netty/buffer/UnpooledTest.java at line 91.

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