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

Class javax.sql.rowset.serial.SQLInputImpl

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

javax.sql.rowset.serial.SQLInputImpl.wasNull()
Ascertains whether the last value read from this SQLInputImpl object was null. @return true if the SQL value read most recently wasnull; otherwise, false; by default it will return false @throws SQLException if an error occurs determining the last valueread was a null value or not;

     */
    public void testWasNull() throws SQLException {
        Object[] attributes = new Object[] { null, "hello" };
        SQLInputImpl impl = new SQLInputImpl(attributes,
                new HashMap<String, Class<?>>());
        assertFalse(impl.wasNull());
        assertEquals(null, impl.readString());
        assertTrue(impl.wasNull());
        assertEquals("hello", impl.readString());
        assertFalse(impl.wasNull());
        try {

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        Object[] attributes = new Object[] { null, "hello" };
        SQLInputImpl impl = new SQLInputImpl(attributes,
                new HashMap<String, Class<?>>());
        assertFalse(impl.wasNull());
        assertEquals(null, impl.readString());
        assertTrue(impl.wasNull());
        assertEquals("hello", impl.readString());
        assertFalse(impl.wasNull());
        try {
            impl.readString();
            fail("should throw SQLException");

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                new HashMap<String, Class<?>>());
        assertFalse(impl.wasNull());
        assertEquals(null, impl.readString());
        assertTrue(impl.wasNull());
        assertEquals("hello", impl.readString());
        assertFalse(impl.wasNull());
        try {
            impl.readString();
            fail("should throw SQLException");
        } catch (SQLException e) {
            // expected

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            impl.readString();
            fail("should throw SQLException");
        } catch (SQLException e) {
            // expected
        }
        assertFalse(impl.wasNull());
        assertFalse(impl.wasNull());
    }


    /*
     * Mock classes used by both this test and SQLOutputImplTest to test

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


    /*
     * Mock classes used by both this test and SQLOutputImplTest to test
     * readObject and writeObject methods respectively.

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     */
    public void testWasNull() throws SQLException {
        Object[] attributes = new Object[] { null, "hello" };
        SQLInputImpl impl = new SQLInputImpl(attributes,
                new HashMap<String, Class<?>>());
        assertFalse(impl.wasNull());
        assertEquals(null, impl.readString());
        assertTrue(impl.wasNull());
        assertEquals("hello", impl.readString());
        assertFalse(impl.wasNull());
        try {

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                new HashMap<String, Class<?>>());
        assertFalse(impl.wasNull());
        assertEquals(null, impl.readString());
        assertTrue(impl.wasNull());
        assertEquals("hello", impl.readString());
        assertFalse(impl.wasNull());
        try {
            impl.readString();
            fail("should throw SQLException");
        } catch (SQLException e) {
            // expected

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            impl.readString();
            fail("should throw SQLException");
        } catch (SQLException e) {
            // expected
        }
        assertFalse(impl.wasNull());
        assertFalse(impl.wasNull());
    }


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

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


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

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