Package org.apache.mina.core.buffer

Examples of org.apache.mina.core.buffer.IoBuffer.capacity()

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        assertEquals(0, buf.position());
        assertEquals(8, buf.limit());

        // Expand the buffer.
        buf.capacity(32).clear();
        assertEquals(32, buf.capacity());

        // Make sure the buffer doesn't shrink when more than 1/4 is being used.
        buf.sweep((byte) 1);
        buf.fill(23);
        buf.compact();
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        // Make sure the buffer doesn't shrink when more than 1/4 is being used.
        buf.sweep((byte) 1);
        buf.fill(23);
        buf.compact();
        assertEquals(32, buf.capacity());
        assertEquals(9, buf.position());
        assertEquals(32, buf.limit());
        buf.clear();
        for (int i = 0; i < 9; i ++) {
            assertEquals(1, buf.get());
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        original.limit(10);
        duplicate = original.duplicate();
        original.put(4, (byte) 127);
        assertEquals(4, duplicate.position());
        assertEquals(10, duplicate.limit());
        assertEquals(16, duplicate.capacity());
        assertNotSame(original.buf(), duplicate.buf());
        assertSame(original.buf().array(), duplicate.buf().array());
        assertEquals(127, duplicate.get(4));

        // Test a duplicate of a duplicate.
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        original.limit(10);
        slice = original.slice();
        original.put(4, (byte) 127);
        assertEquals(0, slice.position());
        assertEquals(6, slice.limit());
        assertEquals(6, slice.capacity());
        assertNotSame(original.buf(), slice.buf());
        assertEquals(127, slice.get(0));
    }

    @Test
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        original.limit(10);
        duplicate = original.asReadOnlyBuffer();
        original.put(4, (byte) 127);
        assertEquals(4, duplicate.position());
        assertEquals(10, duplicate.limit());
        assertEquals(16, duplicate.capacity());
        assertNotSame(original.buf(), duplicate.buf());
        assertEquals(127, duplicate.get(4));

        // Try to expand.
        try {
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        nioBuf.limit(7);

        IoBuffer buf = IoBuffer.wrap(nioBuf);
        assertEquals(3, buf.position());
        assertEquals(7, buf.limit());
        assertEquals(10, buf.capacity());
    }

    @Test
    public void testWrapSubArray() throws Exception {
        byte[] array = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
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        byte[] array = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

        IoBuffer buf = IoBuffer.wrap(array, 3, 4);
        assertEquals(3, buf.position());
        assertEquals(7, buf.limit());
        assertEquals(10, buf.capacity());

        buf.clear();
        assertEquals(0, buf.position());
        assertEquals(10, buf.limit());
        assertEquals(10, buf.capacity());
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        assertEquals(10, buf.capacity());

        buf.clear();
        assertEquals(0, buf.position());
        assertEquals(10, buf.limit());
        assertEquals(10, buf.capacity());
    }

    @Test
    public void testDuplicate() throws Exception {
        IoBuffer original;
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        nioBuf.limit(7);

        IoBuffer buf = IoBuffer.wrap(nioBuf);
        Assert.assertEquals(3, buf.position());
        Assert.assertEquals(7, buf.limit());
        Assert.assertEquals(10, buf.capacity());
    }

    public void testWrapSubArray() throws Exception {
        byte[] array = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
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        byte[] array = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

        IoBuffer buf = IoBuffer.wrap(array, 3, 4);
        Assert.assertEquals(3, buf.position());
        Assert.assertEquals(7, buf.limit());
        Assert.assertEquals(10, buf.capacity());

        buf.clear();
        Assert.assertEquals(0, buf.position());
        Assert.assertEquals(10, buf.limit());
        Assert.assertEquals(10, buf.capacity());
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