@Test
public void getIfAbsentPut() {
MutableMapIterable<Integer, String> map = this.newMapWithKeysValues(1, "1", 2, "2", 3, "3");
Assert.assertNull(map.get(4));
Assert.assertEquals("4", map.getIfAbsentPut(4, new PassThruFunction0<>("4")));
Assert.assertEquals("3", map.getIfAbsentPut(3, new PassThruFunction0<>("3")));
Verify.assertContainsKeyValue(4, "4", map);
}
@Test
public void getIfAbsentPut_block_throws() {
MutableMapIterable<Integer, String> map = this.newMapWithKeysValues(1, "1", 2, "2", 3, "3");
Verify.assertThrows(
RuntimeException.class,
() ->
map.getIfAbsentPut(
4,
() -> {
throw new RuntimeException();
}));
Assert.assertEquals(UnifiedMap.newWithKeysValues(1, "1", 2, "2", 3, "3"), map);
}