@Test
    public void shouldGetExceptionWhenAgeLessThan0() {
        Person person = new Person();
        catchException(person).setAge(-1);
        assertThat(caughtException(),instanceOf(IllegalArgumentException.class));
        assertThat(caughtException().getMessage(), containsString("age is invalid"));

    }

        <dependency>
            <groupId>org.easytesting</groupId>
            <artifactId>fest-assert-core</artifactId>
            <version>2.0M10</version>
        </dependency>

    @Test
    public void shouldGetExceptionWhenAgeLessThan0() {
        // given
        Person person = new Person();

        // when
        when(person).setAge(-1);

        // then
        then(caughtException())
                .isInstanceOf(IllegalArgumentException.class)
                .hasMessage("age is invalid")
                .hasNoCause();
    }