Package org.apache.mina.core.buffer

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

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        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());
    }

    @Test
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        original = IoBuffer.allocate(16).sweep();
        original.position(4);
        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));
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        original = IoBuffer.allocate(16).sweep();
        original.position(4);
        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 = IoBuffer.allocate(16).sweep();
        original.position(4);
        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));
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        buf.clear();
        buf.putInt(0);
        buf.clear();
        buf.limit(4);
        assertEquals("", buf.getString(decoder));
        assertEquals(2, buf.position());
        assertEquals(4, buf.limit());

        buf.position(0);
        assertEquals("", buf.getString(2, decoder));
        assertEquals(2, buf.position());
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        buf.limit(4);
        assertEquals("", buf.getString(decoder));
        assertEquals(2, buf.position());
        assertEquals(4, buf.limit());

        buf.position(0);
        assertEquals("", buf.getString(2, decoder));
        assertEquals(2, buf.position());
        assertEquals(4, buf.limit());
    }
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        assertEquals(2, buf.position());
        assertEquals(4, buf.limit());

        buf.position(0);
        assertEquals("", buf.getString(2, decoder));
        assertEquals(2, buf.position());
        assertEquals(4, buf.limit());
    }

    @Test
    public void testGetStringWithFailure() throws Exception {
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        String test = "\u30b3\u30e1\u30f3\u30c8\u7de8\u96c6";
        IoBuffer buffer = IoBuffer.wrap(test.getBytes("Shift_JIS"));

        // Make sure the limit doesn't change when an exception arose.
        int oldLimit = buffer.limit();
        int oldPos = buffer.position();
        try {
            buffer.getString(3, Charset.forName("ASCII").newDecoder());
            fail();
        } catch (Exception e) {
            assertEquals(oldLimit, buffer.limit());
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        try {
            buffer.getString(3, Charset.forName("ASCII").newDecoder());
            fail();
        } catch (Exception e) {
            assertEquals(oldLimit, buffer.limit());
            assertEquals(oldPos, buffer.position());
        }

        try {
            buffer.getString(Charset.forName("ASCII").newDecoder());
            fail();
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        try {
            buffer.getString(Charset.forName("ASCII").newDecoder());
            fail();
        } catch (Exception e) {
            assertEquals(oldLimit, buffer.limit());
            assertEquals(oldPos, buffer.position());
        }
    }

    @Test
    public void testPutString() throws Exception {
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