Examples of javax.sql.rowset.serial.SQLInputImpl.readRef()

Class javax.sql.rowset.serial.SQLInputImpl

Examples of javax.sql.rowset.serial.SQLInputImpl.readRef()

javax.sql.rowset.serial.SQLInputImpl.readRef()
Retrieves the value at the head of this SQLInputImpl object as a Ref object in the Java programming language. @return a Ref object representing the SQLREF value at the head of the stream; if the value is SQL NULL return null @throws SQLException if the read position is located at an invalidposition; or if there are no further values in the stream.

    public void testReadRef() throws SQLException {
        Ref ref = new MockRef();
        Object[] attributes = new Object[] { ref };
        SQLInputImpl impl = new SQLInputImpl(attributes,
                new HashMap<String, Class<?>>());
        assertEquals(ref, impl.readRef());


        try {
            impl.readRef();
            fail("should throw SQLException");
        } catch (SQLException e) {

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        SQLInputImpl impl = new SQLInputImpl(attributes,
                new HashMap<String, Class<?>>());
        assertEquals(ref, impl.readRef());


        try {
            impl.readRef();
            fail("should throw SQLException");
        } catch (SQLException e) {
            // expected
        }

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            // expected
        }


        attributes = new Object[] { null };
        impl = new SQLInputImpl(attributes, new HashMap<String, Class<?>>());
        assertNull(impl.readRef());
    }


    /**
     * @tests {@link javax.sql.rowset.serial.SQLInputImpl#readShort()}
     */

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    public void testReadRef() throws SQLException {
        Ref ref = new MockRef();
        Object[] attributes = new Object[] { ref };
        SQLInputImpl impl = new SQLInputImpl(attributes,
                new HashMap<String, Class<?>>());
        assertEquals(ref, impl.readRef());


        try {
            impl.readRef();
            fail("should throw SQLException");
        } catch (SQLException e) {

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        SQLInputImpl impl = new SQLInputImpl(attributes,
                new HashMap<String, Class<?>>());
        assertEquals(ref, impl.readRef());


        try {
            impl.readRef();
            fail("should throw SQLException");
        } catch (SQLException e) {
            // expected
        }

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            // expected
        }


        attributes = new Object[] { null };
        impl = new SQLInputImpl(attributes, new HashMap<String, Class<?>>());
        assertNull(impl.readRef());
    }


    /**
     * @tests {@link javax.sql.rowset.serial.SQLInputImpl#readShort()}
     */

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