@Test
public void testReplace() {
ReplaceStringMain rs = new ReplaceStringMain();
assertEquals("\\\n", rs.replace("\n"));
assertEquals("\\\n\\\t", rs.replace("\n\t"));
assertEquals("\\\naaa\\\t", rs.replace("\naaa\t"));
assertEquals("\\\n\\\t\\\b\\\r\\\f\\\\\\\'\\\"", rs.replace("\n\t\b\r\f\\\'\""));
}
@Test
public void testReplaceException() {
ReplaceStringMain rs = new ReplaceStringMain();
try {
rs.replace(null);
} catch (Exception e) {
assertTrue(e instanceof IllegalArgumentException);
assertEquals("str must not be null.", e.getMessage());
}
}