* Trivial test case that verifies basic functionality of {@link
* JobIdHistoryFileInfoMap}
*/
@Test(timeout = 2000)
public void testWithSingleElement() throws InterruptedException {
JobIdHistoryFileInfoMap mapWithSize = new JobIdHistoryFileInfoMap();
JobId jobId = MRBuilderUtils.newJobId(1, 1, 1);
HistoryFileInfo fileInfo1 = Mockito.mock(HistoryFileInfo.class);
Mockito.when(fileInfo1.getJobId()).thenReturn(jobId);
// add it twice
assertEquals("Incorrect return on putIfAbsent()",
null, mapWithSize.putIfAbsent(jobId, fileInfo1));
assertEquals("Incorrect return on putIfAbsent()",
fileInfo1, mapWithSize.putIfAbsent(jobId, fileInfo1));
// check get()
assertEquals("Incorrect get()", fileInfo1, mapWithSize.get(jobId));
assertTrue("Incorrect size()", checkSize(mapWithSize, 1));
// check navigableKeySet()
NavigableSet<JobId> set = mapWithSize.navigableKeySet();
assertEquals("Incorrect navigableKeySet()", 1, set.size());
assertTrue("Incorrect navigableKeySet()", set.contains(jobId));
// check values()
Collection<HistoryFileInfo> values = mapWithSize.values();
assertEquals("Incorrect values()", 1, values.size());
assertTrue("Incorrect values()", values.contains(fileInfo1));
}