Package com.google.code.yanf4j.buffer

Examples of com.google.code.yanf4j.buffer.IoBuffer.capacity()

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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 {
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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 {
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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));
    }

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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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    public void testAllocate() throws Exception {
        for (int i = 10; i < 1048576 * 2; i = i * 11 / 10) // increase by 10%
        {
            IoBuffer buf = IoBuffer.allocate(i);
            assertEquals(0, buf.position());
            assertEquals(buf.capacity(), buf.remaining());
            assertTrue(buf.capacity() >= i);
            assertTrue(buf.capacity() < i * 2);
        }
    }

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        for (int i = 10; i < 1048576 * 2; i = i * 11 / 10) // increase by 10%
        {
            IoBuffer buf = IoBuffer.allocate(i);
            assertEquals(0, buf.position());
            assertEquals(buf.capacity(), buf.remaining());
            assertTrue(buf.capacity() >= i);
            assertTrue(buf.capacity() < i * 2);
        }
    }


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        {
            IoBuffer buf = IoBuffer.allocate(i);
            assertEquals(0, buf.position());
            assertEquals(buf.capacity(), buf.remaining());
            assertTrue(buf.capacity() >= i);
            assertTrue(buf.capacity() < i * 2);
        }
    }


    @Test
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        buf.setAutoExpand(true);
        buf.put((byte) 0);
        assertEquals(2, buf.position());
        assertEquals(2, buf.limit());
        assertEquals(2, buf.capacity());

        buf.setAutoExpand(false);
        try {
            buf.put(3, (byte) 0);
            fail("Buffer can't auto expand, with autoExpand property set at false");
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