@Test
public void testRemove() throws Exception {
// given
String givenKey = GIVEN_KEY;
prefser.put(givenKey, 1);
// when
assertThat(prefser.contains(givenKey)).isTrue();
prefser.remove(givenKey);
// then
assertThat(prefser.contains(givenKey)).isFalse();
}
@Test
public void testContains() throws Exception {
// given
prefser.clear();
String givenValue = GIVEN_STRING_VALUE;
String givenKey = GIVEN_KEY;
// when
prefser.put(givenKey, givenValue);
// then
assertThat(prefser.contains(givenKey)).isTrue();
prefser.remove(givenKey);
assertThat(prefser.contains(givenKey)).isFalse();
}
@Test
public void testRemoveShouldNotCauseErrorWhileRemovingKeyWhichDoesNotExist() {
// given
prefser.clear();
String keyWhichDoesNotExist = KEY_WHICH_DOES_NOT_EXIST;
// when
prefser.remove(keyWhichDoesNotExist);
// then
assertThat(prefser.contains(keyWhichDoesNotExist)).isFalse();
}
