Assertthat code throws exception

@Test
public void test_exception_approach_1() {
    ...
    assertThatExceptionOfType(IOException.class)
            .isThrownBy(() -> someBadIOOperation())
            .withMessage("boom!"); 
}

@Test
public void test_exception_approach_2() {
    ...
    assertThatThrownBy(() -> someBadIOOperation())
            .isInstanceOf(Exception.class)
            .hasMessageContaining("boom");
}

@Test
public void test_exception_approach_3() {
    ...
    // when
    Throwable thrown = catchThrowable(() -> someBadIOOperation());

    // then
    assertThat(thrown).isInstanceOf(Exception.class)
                      .hasMessageContaining("boom");
}

Source: stackoverflow.com

Similar codes

0 vote169 views1 answer
Simple yes no dialog android default java
Java
65 votes164 views6 answers
Java last element of array
Java
0 vote142 views1 answer
Java printf tab
Java
0 vote147 views1 answer
Jmeter set var jsr
Java
3 votes163 views1 answer
Pi in java
Java
0 vote145 views1 answer
Android snackbar message is behind back button
Java
0 vote155 views1 answer
Start with <> and end with <> in Java
Java
0 vote137 views1 answer
Scrollbar in textarea java
Java
1 vote168 views1 answer
How to create an array without knowing the size java
Java
0 vote153 views1 answer
Java sql query with parameters
Java