Android > Testing > Robolectric > Assert some button starts activity

test.java

@Test
public void shouldStartSomeActivityWhenSomeButtonPressed() {
	someButton.performClick();
	assertActivityStarted(SomeActivity.class)
}

private void assertActivityStarted(Class<? extends Activity> clazz) {
	ShadowActivity shadowActivity = shadowOf(activity);
	Intent startedIntent = shadowActivity.getNextStartedActivity();
	ShadowIntent shadowIntent = shadowOf(startedIntent);
	assertThat(shadowIntent.getComponent().getClassName(),
			equalTo(clazz.getName()));
}