}

    /**
     * Test method for
     * {@link org.codelibs.core.io.PropertiesUtil#load(java.util.Properties, java.io.Reader)}
     * .
     */
    @Test
    public void testLoadPropertiesReaderReaderNull() {
        exception.expect(NullArgumentException.class);
        exception.expectMessage(is("[ECL0008]argument[reader] is null."));
        final InputStreamReader inputStreamReader = null;